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openairinterface5g/openair1/PHY/LTE_TRANSPORT/pucch.c
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.0 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/LTE_TRANSPORT/pucch.c
* \brief Top-level routines for generating and decoding the PUCCH physical channel V8.6 2009-03
* \author R. Knopp
* \date 2011
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "LAYER2/MAC/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "T.h"
//uint8_t ncs_cell[20][7];
//#define DEBUG_PUCCH_TX
//#define DEBUG_PUCCH_RX
int16_t cfo_pucch_np[24*7] = {20787,-25330,27244,-18205,31356,-9512,32767,0,31356,9511,27244,18204,20787,25329,
27244,-18205,30272,-12540,32137,-6393,32767,0,32137,6392,30272,12539,27244,18204,
31356,-9512,32137,-6393,32609,-3212,32767,0,32609,3211,32137,6392,31356,9511,
32767,0,32767,0,32767,0,32767,0,32767,0,32767,0,32767,0,
31356,9511,32137,6392,32609,3211,32767,0,32609,-3212,32137,-6393,31356,-9512,
27244,18204,30272,12539,32137,6392,32767,0,32137,-6393,30272,-12540,27244,-18205,
20787,25329,27244,18204,31356,9511,32767,0,31356,-9512,27244,-18205,20787,-25330
};
int16_t cfo_pucch_ep[24*6] = {24278,-22005,29621,-14010,32412,-4808,32412,4807,29621,14009,24278,22004,
28897,-15447,31356,-9512,32609,-3212,32609,3211,31356,9511,28897,15446,
31785,-7962,32412,-4808,32727,-1608,32727,1607,32412,4807,31785,7961,
32767,0,32767,0,32767,0,32767,0,32767,0,32767,0,
31785,7961,32412,4807,32727,1607,32727,-1608,32412,-4808,31785,-7962,
28897,15446,31356,9511,32609,3211,32609,-3212,31356,-9512,28897,-15447,
24278,22004,29621,14009,32412,4807,32412,-4808,29621,-14010,24278,-22005
};
void init_ncs_cell(LTE_DL_FRAME_PARMS *frame_parms,uint8_t ncs_cell[20][7])
{
uint8_t ns,l,reset=1,i,N_UL_symb;
uint32_t x1,x2,j=0,s=0;
N_UL_symb = (frame_parms->Ncp==0) ? 7 : 6;
x2 = frame_parms->Nid_cell;
for (ns=0; ns<20; ns++) {
for (l=0; l<N_UL_symb; l++) {
ncs_cell[ns][l]=0;
for (i=0; i<8; i++) {
if ((j%32) == 0) {
s = lte_gold_generic(&x1,&x2,reset);
// printf("s %x\n",s);
reset=0;
}
if (((s>>(j%32))&1)==1)
ncs_cell[ns][l] += (1<<i);
j++;
}
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH ncs_cell init (j %d): Ns %d, l %d => ncs_cell %d\n",j,ns,l,ncs_cell[ns][l]);
#endif
}
}
}
int16_t alpha_re[12] = {32767, 28377, 16383, 0,-16384, -28378,-32768,-28378,-16384, -1, 16383, 28377};
int16_t alpha_im[12] = {0, 16383, 28377, 32767, 28377, 16383, 0,-16384,-28378,-32768,-28378,-16384};
int16_t W4[3][4] = {{32767, 32767, 32767, 32767},
{32767,-32768, 32767,-32768},
{32767,-32768,-32768, 32767}
};
int16_t W3_re[3][6] = {{32767, 32767, 32767},
{32767,-16384,-16384},
{32767,-16384,-16384}
};
int16_t W3_im[3][6] = {{0 ,0 ,0 },
{0 , 28377,-28378},
{0 ,-28378, 28377}
};
char pucch_format_string[6][20] = {"format 1\0","format 1a\0","format 1b\0","format 2\0","format 2a\0","format 2b\0"};
/* PUCCH format3 >> */
#define D_I 0
#define D_Q 1
#define D_IQDATA 2
#define D_NSLT1SF 2
#define D_NSYM1SLT 7
#define D_NSYM1SF 2*7
#define D_NSC1RB 12
#define D_NRB1PUCCH 2
#define D_NPUCCH_SF5 5
#define D_NPUCCH_SF4 4
uint8_t chcod_tbl[128][48] = { {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1},
{1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1},
{0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0},
{0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0},
{1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1},
{1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1},
{0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0},
{0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0},
{1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1},
{1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1},
{0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0},
{0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0},
{1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1},
{1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1},
{0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0},
{0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1},
{1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0},
{1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0},
{0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1},
{0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1},
{1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0},
{1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0},
{0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1},
{0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1},
{1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0},
{1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0},
{0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1},
{0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1},
{1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0},
{1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0},
{0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1},
{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1},
{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0},
{1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0},
{0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1},
{0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1},
{1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0},
{1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0},
{0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1},
{0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1},
{1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0},
{1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0},
{0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1},
{0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1},
{1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0},
{1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0},
{0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1},
{0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0},
{1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1},
{1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1},
{0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0},
{0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0},
{1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1},
{1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1},
{0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0},
{0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0},
{1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1},
{1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1},
{0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0},
{0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0},
{1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1},
{1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1},
{0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0},
{0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1},
{1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0},
{1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 0},
{0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1},
{0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1},
{1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0},
{1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0},
{0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1},
{0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1},
{1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0},
{1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0},
{0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1},
{0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1},
{1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0},
{1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0},
{0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1},
{0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0},
{1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1},
{1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1},
{0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0},
{0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1},
{0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0},
{0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0},
{1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1},
{1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1},
{0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0},
{0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0},
{1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1},
{1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1},
{0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 0},
{0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0},
{1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1},
{1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1},
{0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0},
{0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0},
{1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1},
{1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1},
{0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0},
{0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 1, 0},
{1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1},
{1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 1, 1},
{0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0},
{0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0},
{1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1},
{1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1},
{0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0},
{0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1},
{1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0},
{1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0},
{0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1},
{0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1},
{1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0},
{1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 0, 0, 0},
{0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1},
{0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1},
{1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0},
{1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0},
{0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1},
{0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1},
{1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0},
{1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0},
{0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 0, 1, 1} };
// W5_TBL
int16_t W5_fmt3_re[5][5] = { {32767, 32767, 32767, 32767, 32767},
{32767, 10125, -26509, -26509, 10125},
{32767, -26509, 10125, 10125, -26509},
{32767, -26509, 10125, 10125, -26509},
{32767, 10125, -26509, -26509, 10125} };
int16_t W5_fmt3_im[5][5] = { {0, 0, 0, 0, 0},
{0, 31163, 19259, -19259, -31163},
{0, 19259, -31163, 31163, -19259},
{0, -19259, 31163, -31163, 19259},
{0, -31163, -19259, 19259, 31163} };
int16_t W4_fmt3[4][4] = { {32767, 32767, 32767, 32767},
{32767, -32767, 32767, -32767},
{32767, 32767, -32767, -32767},
{32767, -32767, -32767, 32767} };
// W2 TBL
int16_t W2[2] = {32767, 32767};
// e^j*pai*floor (ncs_cell(ns,l)/64)/2
int16_t RotTBL_re[4] = {32767, 0, -32767, 0};
int16_t RotTBL_im[4] = {0, 32767, 0, -32767};
//np4_tbl, np5_tbl
uint8_t Np5_TBL[5] = {0, 3, 6, 8, 10};
uint8_t Np4_TBL[4] = {0, 3, 6, 9};
// alpha_TBL
int16_t alphaTBL_re[12] = {32767, 28377, 16383, 0, -16383, -28377, -32767, -28377, -16383, 0, 16383, 28377};
int16_t alphaTBL_im[12] = {0, 16383, 28377, 32767, 28377, 16383, 0, -16383, -28377, -32767, -28377, -16383};
/* PUCCH format3 << */
void generate_pucch1x(int32_t **txdataF,
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t ncs_cell[20][7],
PUCCH_FMT_t fmt,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint16_t n1_pucch,
uint8_t shortened_format,
uint8_t *payload,
int16_t amp,
uint8_t subframe)
{
uint32_t u,v,n;
uint32_t z[12*14],*zptr;
int16_t d0;
uint8_t ns,N_UL_symb,nsymb,n_oc,n_oc0,n_oc1;
uint8_t c = (frame_parms->Ncp==0) ? 3 : 2;
uint16_t nprime,nprime0,nprime1;
uint16_t i,j,re_offset,thres,h;
uint8_t Nprime_div_deltaPUCCH_Shift,Nprime,d;
uint8_t m,l,refs;
uint8_t n_cs,S,alpha_ind,rem;
int16_t tmp_re,tmp_im,ref_re,ref_im,W_re=0,W_im=0;
int32_t *txptr;
uint32_t symbol_offset;
uint8_t deltaPUCCH_Shift = frame_parms->pucch_config_common.deltaPUCCH_Shift;
uint8_t NRB2 = frame_parms->pucch_config_common.nRB_CQI;
uint8_t Ncs1 = frame_parms->pucch_config_common.nCS_AN;
uint8_t Ncs1_div_deltaPUCCH_Shift = Ncs1/deltaPUCCH_Shift;
LOG_D(PHY,"generate_pucch Start [deltaPUCCH_Shift %d, NRB2 %d, Ncs1_div_deltaPUCCH_Shift %d, n1_pucch %d]\n", deltaPUCCH_Shift, NRB2, Ncs1_div_deltaPUCCH_Shift,n1_pucch);
uint32_t u0 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[subframe<<1]) % 30;
uint32_t u1 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[1+(subframe<<1)]) % 30;
uint32_t v0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
if ((deltaPUCCH_Shift==0) || (deltaPUCCH_Shift>3)) {
printf("[PHY] generate_pucch: Illegal deltaPUCCH_shift %d (should be 1,2,3)\n",deltaPUCCH_Shift);
return;
}
if (Ncs1_div_deltaPUCCH_Shift > 7) {
printf("[PHY] generate_pucch: Illegal Ncs1_div_deltaPUCCH_Shift %d (should be 0...7)\n",Ncs1_div_deltaPUCCH_Shift);
return;
}
zptr = z;
thres = (c*Ncs1_div_deltaPUCCH_Shift);
Nprime_div_deltaPUCCH_Shift = (n1_pucch < thres) ? Ncs1_div_deltaPUCCH_Shift : (12/deltaPUCCH_Shift);
Nprime = Nprime_div_deltaPUCCH_Shift * deltaPUCCH_Shift;
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: cNcs1/deltaPUCCH_Shift %d, Nprime %d, n1_pucch %d\n",thres,Nprime,n1_pucch);
#endif
LOG_D(PHY,"[PHY] PUCCH: n1_pucch %d, thres %d Ncs1_div_deltaPUCCH_Shift %d (12/deltaPUCCH_Shift) %d Nprime_div_deltaPUCCH_Shift %d \n",
n1_pucch, thres, Ncs1_div_deltaPUCCH_Shift, (int)(12/deltaPUCCH_Shift), Nprime_div_deltaPUCCH_Shift);
LOG_D(PHY,"[PHY] PUCCH: deltaPUCCH_Shift %d, Nprime %d\n",deltaPUCCH_Shift,Nprime);
N_UL_symb = (frame_parms->Ncp==0) ? 7 : 6;
if (n1_pucch < thres)
nprime0=n1_pucch;
else
nprime0 = (n1_pucch - thres)%(12*c/deltaPUCCH_Shift);
if (n1_pucch >= thres)
nprime1= ((c*(nprime0+1))%((12*c/deltaPUCCH_Shift)+1))-1;
else {
d = (frame_parms->Ncp==0) ? 2 : 0;
h= (nprime0+d)%(c*Nprime_div_deltaPUCCH_Shift);
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: h %d, d %d\n",h,d);
#endif
nprime1 = (h/c) + (h%c)*Nprime_div_deltaPUCCH_Shift;
}
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: nprime0 %d nprime1 %d, %s, payload (%d,%d)\n",nprime0,nprime1,pucch_format_string[fmt],payload[0],payload[1]);
#endif
n_oc0 = nprime0/Nprime_div_deltaPUCCH_Shift;
if (frame_parms->Ncp==1)
n_oc0<<=1;
n_oc1 = nprime1/Nprime_div_deltaPUCCH_Shift;
if (frame_parms->Ncp==1) // extended CP
n_oc1<<=1;
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: noc0 %d noc1 %d\n",n_oc0,n_oc1);
#endif
nprime=nprime0;
n_oc =n_oc0;
// loop over 2 slots
for (ns=(subframe<<1),u=u0,v=v0; ns<(2+(subframe<<1)); ns++,u=u1,v=v1) {
if ((nprime&1) == 0)
S=0; // 1
else
S=1; // j
//loop over symbols in slot
for (l=0; l<N_UL_symb; l++) {
// Compute n_cs (36.211 p. 18)
n_cs = ncs_cell[ns][l];
if (frame_parms->Ncp==0) { // normal CP
n_cs = ((uint16_t)n_cs + (nprime*deltaPUCCH_Shift + (n_oc%deltaPUCCH_Shift))%Nprime)%12;
} else {
n_cs = ((uint16_t)n_cs + (nprime*deltaPUCCH_Shift + (n_oc>>1))%Nprime)%12;
}
refs=0;
// Comput W_noc(m) (36.211 p. 19)
if ((ns==(1+(subframe<<1))) && (shortened_format==1)) { // second slot and shortened format
if (l<2) { // data
W_re=W3_re[n_oc][l];
W_im=W3_im[n_oc][l];
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==0)) { // reference and normal CP
W_re=W3_re[n_oc][l-2];
W_im=W3_im[n_oc][l-2];
refs=1;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==1)) { // reference and extended CP
W_re=W4[n_oc][l-2];
W_im=0;
refs=1;
} else if ((l>=N_UL_symb-2)) { // data
W_re=W3_re[n_oc][l-N_UL_symb+4];
W_im=W3_im[n_oc][l-N_UL_symb+4];
}
} else {
if (l<2) { // data
W_re=W4[n_oc][l];
W_im=0;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==0)) { // reference and normal CP
W_re=W3_re[n_oc][l-2];
W_im=W3_im[n_oc][l-2];
refs=1;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==1)) { // reference and extended CP
W_re=W4[n_oc][l-2];
W_im=0;
refs=1;
} else if ((l>=N_UL_symb-2)) { // data
W_re=W4[n_oc][l-N_UL_symb+4];
W_im=0;
}
}
// multiply W by S(ns) (36.211 p.17). only for data, reference symbols do not have this factor
if ((S==1)&&(refs==0)) {
tmp_re = W_re;
W_re = -W_im;
W_im = tmp_re;
}
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: ncs[%d][%d]=%d, W_re %d, W_im %d, S %d, refs %d\n",ns,l,n_cs,W_re,W_im,S,refs);
#endif
alpha_ind=0;
// compute output sequence
for (n=0; n<12; n++) {
// this is r_uv^alpha(n)
tmp_re = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][n<<1] - (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)])>>15);
tmp_im = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)] + (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][n<<1])>>15);
// this is S(ns)*w_noc(m)*r_uv^alpha(n)
ref_re = (tmp_re*W_re - tmp_im*W_im)>>15;
ref_im = (tmp_re*W_im + tmp_im*W_re)>>15;
if ((l<2)||(l>=(N_UL_symb-2))) { //these are PUCCH data symbols
switch (fmt) {
case pucch_format1: //OOK 1-bit
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im)>>15;
break;
case pucch_format1a: //BPSK 1-bit
d0 = (payload[0]&1)==0 ? amp : -amp;
((int16_t *)&zptr[n])[0] = ((int32_t)d0*ref_re)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)d0*ref_im)>>15;
// printf("d0 %d\n",d0);
break;
case pucch_format1b: //QPSK 2-bits (Table 5.4.1-1 from 36.211, pg. 18)
if (((payload[0]&1)==0) && ((payload[1]&1)==0)) {// 1
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im)>>15;
} else if (((payload[0]&1)==0) && ((payload[1]&1)==1)) { // -j
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_im)>>15;
((int16_t *)&zptr[n])[1] = (-(int32_t)amp*ref_re)>>15;
} else if (((payload[0]&1)==1) && ((payload[1]&1)==0)) { // j
((int16_t *)&zptr[n])[0] = (-(int32_t)amp*ref_im)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_re)>>15;
} else { // -1
((int16_t *)&zptr[n])[0] = (-(int32_t)amp*ref_re)>>15;
((int16_t *)&zptr[n])[1] = (-(int32_t)amp*ref_im)>>15;
}
break;
case pucch_format2:
case pucch_format2a:
case pucch_format2b:
AssertFatal(1==0,"should not go here\n");
break;
case pucch_format3:
fprintf(stderr, "PUCCH format 3 not handled\n");
abort();
} // switch fmt
} else { // These are PUCCH reference symbols
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im)>>15;
// printf("ref\n");
}
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH subframe %d z(%d,%d) => %d,%d, alpha(%d) => %d,%d\n",subframe,l,n,((int16_t *)&zptr[n])[0],((int16_t *)&zptr[n])[1],
alpha_ind,alpha_re[alpha_ind],alpha_im[alpha_ind]);
#endif
alpha_ind = (alpha_ind + n_cs)%12;
} // n
zptr+=12;
} // l
nprime=nprime1;
n_oc =n_oc1;
} // ns
rem = ((((12*Ncs1_div_deltaPUCCH_Shift)>>3)&7)>0) ? 1 : 0;
m = (n1_pucch < thres) ? NRB2 : (((n1_pucch-thres)/(12*c/deltaPUCCH_Shift))+NRB2+((deltaPUCCH_Shift*Ncs1_div_deltaPUCCH_Shift)>>3)+rem);
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH: m %d\n",m);
#endif
nsymb = N_UL_symb<<1;
//for (j=0,l=0;l<(nsymb-1);l++) {
for (j=0,l=0; l<(nsymb); l++) {
if ((l<(nsymb>>1)) && ((m&1) == 0))
re_offset = (m*6) + frame_parms->first_carrier_offset;
else if ((l<(nsymb>>1)) && ((m&1) == 1))
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else if ((m&1) == 0)
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else
re_offset = ((m-1)*6) + frame_parms->first_carrier_offset;
if (re_offset > frame_parms->ofdm_symbol_size)
re_offset -= (frame_parms->ofdm_symbol_size);
symbol_offset = (unsigned int)frame_parms->ofdm_symbol_size*(l+(subframe*nsymb));
txptr = &txdataF[0][symbol_offset];
for (i=0; i<12; i++,j++) {
txptr[re_offset++] = z[j];
if (re_offset==frame_parms->ofdm_symbol_size)
re_offset = 0;
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH subframe %d (%d,%d,%d,%d) => %d,%d\n",subframe,l,i,re_offset-1,m,((int16_t *)&z[j])[0],((int16_t *)&z[j])[1]);
#endif
}
}
}
void generate_pucch_emul(PHY_VARS_UE *ue,
UE_rxtx_proc_t *proc,
PUCCH_FMT_t format,
uint8_t ncs1,
uint8_t *pucch_payload,
uint8_t sr)
{
int subframe = proc->subframe_tx;
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.pucch_flag = format;
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.pucch_Ncs1 = ncs1;
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.sr = sr;
// the value of ue->pucch_sel[subframe] is set by get_n1_pucch
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.pucch_sel = ue->pucch_sel[subframe];
// LOG_I(PHY,"subframe %d emu tx pucch_sel is %d sr is %d \n", subframe, UE_transport_info[ue->Mod_id].cntl.pucch_sel, sr);
if (format == pucch_format1a) {
ue->pucch_payload[0] = pucch_payload[0];
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.pucch_payload = pucch_payload[0];
} else if (format == pucch_format1b) {
ue->pucch_payload[0] = pucch_payload[0] + (pucch_payload[1]<<1);
UE_transport_info[ue->Mod_id][ue->CC_id].cntl.pucch_payload = pucch_payload[0] + (pucch_payload[1]<<1);
} else if (format == pucch_format1) {
// LOG_D(PHY,"[UE %d] Frame %d subframe %d Generating PUCCH for SR %d\n",ue->Mod_id,proc->frame_tx,subframe,sr);
}
ue->sr[subframe] = sr;
}
inline void pucch2x_scrambling(LTE_DL_FRAME_PARMS *fp,int subframe,uint16_t rnti,uint32_t B,uint8_t *btilde) __attribute__((always_inline));
inline void pucch2x_scrambling(LTE_DL_FRAME_PARMS *fp,int subframe,uint16_t rnti,uint32_t B,uint8_t *btilde) {
uint32_t x1, x2, s=0;
int i;
uint8_t c;
x2 = (rnti) + ((uint32_t)(1+subframe)<<16)*(1+(fp->Nid_cell<<1)); //this is c_init in 36.211 Sec 6.3.1
s = lte_gold_generic(&x1, &x2, 1);
for (i=0;i<19;i++) {
c = (uint8_t)((s>>i)&1);
btilde[i] = (((B>>i)&1) ^ c);
}
}
inline void pucch2x_modulation(uint8_t *btilde,int16_t *d,int16_t amp) __attribute__((always_inline));
inline void pucch2x_modulation(uint8_t *btilde,int16_t *d,int16_t amp) {
int i;
for (i=0;i<20;i++)
d[i] = btilde[i] == 1 ? -amp : amp;
}
uint32_t pucch_code[13] = {0xFFFFF,0x5A933,0x10E5A,0x6339C,0x73CE0,
0xFFC00,0xD8E64,0x4F6B0,0x218EC,0x1B746,
0x0FFFF,0x33FFF,0x3FFFC};
void generate_pucch2x(int32_t **txdataF,
LTE_DL_FRAME_PARMS *fp,
uint8_t ncs_cell[20][7],
PUCCH_FMT_t fmt,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint16_t n2_pucch,
uint8_t *payload,
int A,
int B2,
int16_t amp,
uint8_t subframe,
uint16_t rnti) {
int i,j;
uint32_t B=0;
uint8_t btilde[20];
int16_t d[22];
uint8_t deltaPUCCH_Shift = fp->pucch_config_common.deltaPUCCH_Shift;
uint8_t NRB2 = fp->pucch_config_common.nRB_CQI;
uint8_t Ncs1 = fp->pucch_config_common.nCS_AN;
uint32_t u0 = fp->pucch_config_common.grouphop[subframe<<1];
uint32_t u1 = fp->pucch_config_common.grouphop[1+(subframe<<1)];
uint32_t v0 = fp->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1 = fp->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
uint32_t z[12*14],*zptr;
uint32_t u,v,n;
uint8_t ns,N_UL_symb,nsymb_slot0,nsymb_pertti;
uint32_t nprime,l,n_cs;
int alpha_ind,data_ind;
int16_t ref_re,ref_im;
int m,re_offset,symbol_offset;
int32_t *txptr;
if ((deltaPUCCH_Shift==0) || (deltaPUCCH_Shift>3)) {
printf("[PHY] generate_pucch: Illegal deltaPUCCH_shift %d (should be 1,2,3)\n",deltaPUCCH_Shift);
return;
}
if (Ncs1 > 7) {
printf("[PHY] generate_pucch: Illegal Ncs1 %d (should be 0...7)\n",Ncs1);
return;
}
// pucch2x_encoding
for (i=0;i<A;i++)
if ((*payload & (1<<i)) > 0)
B=B^pucch_code[i];
// scrambling
pucch2x_scrambling(fp,subframe,rnti,B,btilde);
// modulation
pucch2x_modulation(btilde,d,amp);
// add extra symbol for 2a/2b
d[20]=0;
d[21]=0;
if (fmt==pucch_format2a)
d[20] = (B2 == 0) ? amp : -amp;
else if (fmt==pucch_format2b) {
switch (B2) {
case 0:
d[20] = amp;
break;
case 1:
d[21] = -amp;
break;
case 2:
d[21] = amp;
break;
case 3:
d[20] = -amp;
break;
default:
AssertFatal(1==0,"Illegal modulation symbol %d for PUCCH %s\n",B2,pucch_format_string[fmt]);
break;
}
}
#ifdef DEBUG_PUCCH_TX
printf("[PHY] PUCCH2x: n2_pucch %d\n",n2_pucch);
#endif
N_UL_symb = (fp->Ncp==0) ? 7 : 6;
data_ind = 0;
zptr = z;
nprime = 0;
for (ns=(subframe<<1),u=u0,v=v0; ns<(2+(subframe<<1)); ns++,u=u1,v=v1) {
if ((ns&1) == 0)
nprime = (n2_pucch < 12*NRB2) ?
n2_pucch % 12 :
(n2_pucch+Ncs1 + 1)%12;
else {
nprime = (n2_pucch < 12*NRB2) ?
((12*(nprime+1)) % 13)-1 :
(10-n2_pucch)%12;
}
//loop over symbols in slot
for (l=0; l<N_UL_symb; l++) {
// Compute n_cs (36.211 p. 18)
n_cs = (ncs_cell[ns][l]+nprime)%12;
alpha_ind = 0;
for (n=0; n<12; n++)
{
// this is r_uv^alpha(n)
ref_re = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][n<<1] - (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)])>>15);
ref_im = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)] + (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][n<<1])>>15);
if ((l!=1)&&(l!=5)) { //these are PUCCH data symbols
((int16_t *)&zptr[n])[0] = ((int32_t)d[data_ind]*ref_re - (int32_t)d[data_ind+1]*ref_im)>>15;
((int16_t *)&zptr[n])[1] = ((int32_t)d[data_ind]*ref_im + (int32_t)d[data_ind+1]*ref_re)>>15;
//LOG_I(PHY,"slot %d ofdm# %d ==> d[%d,%d] \n",ns,l,data_ind,n);
}
else {
if ((l==1) || ( (l==5) && (fmt==pucch_format2) ))
{
((int16_t *)&zptr[n])[0] = ((int32_t)amp*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)amp*ref_im>>15);
}
// l == 5 && pucch format 2a
else if (fmt==pucch_format2a)
{
((int16_t *)&zptr[n])[0] = ((int32_t)d[20]*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)d[21]*ref_im>>15);
}
// l == 5 && pucch format 2b
else if (fmt==pucch_format2b)
{
((int16_t *)&zptr[n])[0] = ((int32_t)d[20]*ref_re>>15);
((int16_t *)&zptr[n])[1] = ((int32_t)d[21]*ref_im>>15);
}
} // l==1 || l==5
alpha_ind = (alpha_ind + n_cs)%12;
} // n
zptr+=12;
if ((l!=1)&&(l!=5)) //these are PUCCH data symbols so increment data index
data_ind+=2;
} // l
} //ns
m = n2_pucch/12;
#ifdef DEBUG_PUCCH_TX
LOG_D(PHY,"[PHY] PUCCH: n2_pucch %d m %d\n",n2_pucch,m);
#endif
nsymb_slot0 = ((fp->Ncp==0) ? 7 : 6);
nsymb_pertti = nsymb_slot0 << 1;
//nsymb = nsymb_slot0<<1;
//for (j=0,l=0;l<(nsymb-1);l++) {
for (j=0,l=0; l<(nsymb_pertti); l++) {
if ((l<nsymb_slot0) && ((m&1) == 0))
re_offset = (m*6) + fp->first_carrier_offset;
else if ((l<nsymb_slot0) && ((m&1) == 1))
re_offset = fp->first_carrier_offset + (fp->N_RB_DL - (m>>1) - 1)*12;
else if ((m&1) == 0)
re_offset = fp->first_carrier_offset + (fp->N_RB_DL - (m>>1) - 1)*12;
else
re_offset = ((m-1)*6) + fp->first_carrier_offset;
if (re_offset > fp->ofdm_symbol_size)
re_offset -= (fp->ofdm_symbol_size);
symbol_offset = (unsigned int)fp->ofdm_symbol_size*(l+(subframe*nsymb_pertti));
txptr = &txdataF[0][symbol_offset];
//LOG_I(PHY,"ofdmSymb %d/%d, firstCarrierOffset %d, symbolOffset[sfn %d] %d, reOffset %d, &txptr: %x \n", l, nsymb, fp->first_carrier_offset, subframe, symbol_offset, re_offset, &txptr[0]);
for (i=0; i<12; i++,j++) {
txptr[re_offset] = z[j];
re_offset++;
if (re_offset==fp->ofdm_symbol_size)
re_offset -= (fp->ofdm_symbol_size);
#ifdef DEBUG_PUCCH_TX
LOG_D(PHY,"[PHY] PUCCH subframe %d (%d,%d,%d,%d) => %d,%d\n",subframe,l,i,re_offset-1,m,((int16_t *)&z[j])[0],((int16_t *)&z[j])[1]);
#endif
}
}
}
/* PUCCH format3 >> */
/* DFT */
void pucchfmt3_Dft( int16_t *x, int16_t *y )
{
int16_t i, k;
int16_t tmp[2];
int16_t calctmp[D_NSC1RB*2]={0};
for (i=0; i<D_NSC1RB; i++) {
for(k=0; k<D_NSC1RB; k++) {
tmp[0] = alphaTBL_re[(12-((i*k)%12))%12];
tmp[1] = alphaTBL_im[(12-((i*k)%12))%12];
calctmp[2*i] += (((int32_t)x[2*k] * tmp[0] - (int32_t)x[2*k+1] * tmp[1])>>15);
calctmp[2*i+1] += (((int32_t)x[2*k+1] * tmp[0] + (int32_t)x[2*k] * tmp[1])>>15);
}
y[2*i] = (int16_t)( (double) calctmp[2*i] / sqrt(D_NSC1RB));
y[2*i+1] = (int16_t)((double) calctmp[2*i+1] / sqrt(D_NSC1RB));
}
}
void generate_pucch3x(int32_t **txdataF,
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t ncs_cell[20][7],
PUCCH_FMT_t fmt,
PUCCH_CONFIG_DEDICATED *pucch_config_dedicated,
uint16_t n3_pucch,
uint8_t shortened_format,
uint8_t *payload,
int16_t amp,
uint8_t subframe,
uint16_t rnti)
{
uint32_t u, v;
uint16_t i, j, re_offset;
uint32_t z[12*14], *zptr;
uint32_t y_tilda[12*14]={}, *y_tilda_ptr;
uint8_t ns, nsymb, n_oc, n_oc0, n_oc1;
uint8_t N_UL_symb = (frame_parms->Ncp==0) ? 7 : 6;
uint8_t m, l;
uint8_t n_cs;
int16_t tmp_re, tmp_im, W_re=0, W_im=0;
int32_t *txptr;
uint32_t symbol_offset;
uint32_t u0 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[subframe<<1]) % 30;
uint32_t u1 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[1+(subframe<<1)]) % 30;
uint32_t v0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
// variables for channel coding
uint8_t chcod_tbl_idx = 0;
//uint8_t chcod_dt[48] = {};
// variables for Scrambling
uint32_t cinit = 0;
uint32_t x1;
uint32_t s,s0,s1;
uint8_t C[48] ={};
uint8_t scr_dt[48]={};
// variables for Modulation
int16_t d_re[24]={};
int16_t d_im[24]={};
// variables for orthogonal sequence selection
uint8_t N_PUCCH_SF0 = 5;
uint8_t N_PUCCH_SF1 = (shortened_format==0)? 5:4;
uint8_t first_slot = 0;
int16_t rot_re=0;
int16_t rot_im=0;
uint8_t dt_offset;
uint8_t sym_offset;
int16_t y_re[14][12]; //={0};
int16_t y_im[14][12]; //={0};
// DMRS
uint8_t alpha_idx=0;
uint8_t m_alpha_idx=0;
// TODO
// "SR+ACK/NACK" length is only 7 bits.
// This restriction will be lifted in the future.
// "CQI/PMI/RI+ACK/NACK" will be supported in the future.
// Channel Coding
for (uint8_t i=0; i<7; i++) {
chcod_tbl_idx += (payload[i]<<i);
}
// Scrambling
cinit = (subframe + 1) * ((2 * frame_parms->Nid_cell + 1)<<16) + rnti;
s0 = lte_gold_generic(&x1,&cinit,1);
s1 = lte_gold_generic(&x1,&cinit,0);
for (i=0; i<48; i++) {
s = (i<32)? s0:s1;
j = (i<32)? i:(i-32);
C[i] = ((s>>j)&1);
}
for (i=0; i<48; i++) {
scr_dt[i] = chcod_tbl[chcod_tbl_idx][i] ^ C[i];
}
// Modulation
for (uint8_t i=0; i<48; i+=2){
if (scr_dt[i]==0 && scr_dt[i+1]==0){
d_re[ i>>1] = ((ONE_OVER_SQRT2_Q15 * amp) >>15);
d_im[ i>>1] = ((ONE_OVER_SQRT2_Q15 * amp) >>15);
} else if (scr_dt[i]==0 && scr_dt[i+1]==1) {
d_re[ i>>1] = ((ONE_OVER_SQRT2_Q15 * amp) >>15);
d_im[ i>>1] = -1 * ((ONE_OVER_SQRT2_Q15 * amp) >>15);
} else if (scr_dt[i]==1 && scr_dt[i+1]==0) {
d_re[ i>>1] = -1 * ((ONE_OVER_SQRT2_Q15 * amp)>>15);
d_im[ i>>1] = ((ONE_OVER_SQRT2_Q15 * amp)>>15);
} else if (scr_dt[i]==1 && scr_dt[i+1]==1) {
d_re[ i>>1] = -1 * ((ONE_OVER_SQRT2_Q15 * amp)>>15);
d_im[ i>>1] = -1 * ((ONE_OVER_SQRT2_Q15 * amp)>>15);
} else {
//***log Modulation Error!
}
}
// Calculate Orthogonal Sequence index
n_oc0 = n3_pucch % N_PUCCH_SF1;
if (N_PUCCH_SF1 == 5) {
n_oc1 = (3 * n_oc0) % N_PUCCH_SF1;
} else {
n_oc1 = n_oc0 % N_PUCCH_SF1;
}
y_tilda_ptr = y_tilda;
zptr = z;
// loop over 2 slots
for (ns=(subframe<<1), u=u0, v=v0; ns<(2+(subframe<<1)); ns++, u=u1, v=v1) {
first_slot = (ns==(subframe<<1))?1:0;
//loop over symbols in slot
for (l=0; l<N_UL_symb; l++) {
rot_re = RotTBL_re[(uint8_t) ncs_cell[ns][l]/64] ;
rot_im = RotTBL_im[(uint8_t) ncs_cell[ns][l]/64] ;
// Comput W_noc(m) (36.211 p. 19)
if ( first_slot == 0 && shortened_format==1) { // second slot and shortened format
n_oc = n_oc1;
if (l<1) { // data
W_re=W4_fmt3[n_oc][l];
W_im=0;
} else if (l==1) { // DMRS
W_re=W2[0];
W_im=0;
} else if (l>=2 && l<5) { // data
W_re=W4_fmt3[n_oc][l-1];
W_im=0;
} else if (l==5) { // DMRS
W_re=W2[1];
W_im=0;
} else if ((l>=N_UL_symb-2)) { // data
;
} else {
//***log W Select Error!
}
} else {
if (first_slot == 1) { // 1st slot or 2nd slot and not shortened
n_oc=n_oc0;
} else {
n_oc=n_oc1;
}
if (l<1) { // data
W_re=W5_fmt3_re[n_oc][l];
W_im=W5_fmt3_im[n_oc][l];
} else if (l==1) { // DMRS
W_re=W2[0];
W_im=0;
} else if (l>=2 && l<5) { // data
W_re=W5_fmt3_re[n_oc][l-1];
W_im=W5_fmt3_im[n_oc][l-1];
} else if (l==5) { // DMRS
W_re=W2[1];
W_im=0;
} else if ((l>=N_UL_symb-1)) { // data
W_re=W5_fmt3_re[n_oc][l-N_UL_symb+5];
W_im=W5_fmt3_im[n_oc][l-N_UL_symb+5];
} else {
//***log W Select Error!
}
} // W Selection end
// Compute n_cs (36.211 p. 18)
n_cs = ncs_cell[ns][l];
if (N_PUCCH_SF1 == 5) {
alpha_idx = (n_cs + Np5_TBL[n_oc]) % 12;
} else {
alpha_idx = (n_cs + Np4_TBL[n_oc]) % 12;
}
// generate pucch data
dt_offset = (first_slot == 1) ? 0:12;
sym_offset = (first_slot == 1) ? 0:7;
for (i=0; i<12; i++) {
// Calculate yn(i)
tmp_re = (((int32_t) (W_re*rot_re - W_im*rot_im)) >>15);
tmp_im = (((int32_t) (W_re*rot_im + W_im*rot_re)) >>15);
y_re[l+sym_offset][i] = (((int32_t) (tmp_re*d_re[i+dt_offset] - tmp_im*d_im[i+dt_offset]))>>15);
y_im[l+sym_offset][i] = (((int32_t) (tmp_re*d_im[i+dt_offset] + tmp_im*d_re[i+dt_offset]))>>15);
// cyclic shift
((int16_t *)&y_tilda_ptr[(l+sym_offset)*12+(i-(ncs_cell[ns][l]%12)+12)%12])[0] = y_re[l+sym_offset][i];
((int16_t *)&y_tilda_ptr[(l+sym_offset)*12+(i-(ncs_cell[ns][l]%12)+12)%12])[1] = y_im[l+sym_offset][i];
// DMRS
m_alpha_idx = (alpha_idx * i) % 12;
if (l==1 || l==5) {
((int16_t *)&zptr[(l+sym_offset)*12+i])[0] =(((((int32_t) alphaTBL_re[m_alpha_idx]*ul_ref_sigs[u][v][0][i<<1] - (int32_t) alphaTBL_im[m_alpha_idx] * ul_ref_sigs[u][v][0][1+(i<<1)])>>15) * (int32_t)amp)>>15);
((int16_t *)&zptr[(l+sym_offset)*12+i])[1] =(((((int32_t) alphaTBL_re[m_alpha_idx]*ul_ref_sigs[u][v][0][1+(i<<1)] + (int32_t) alphaTBL_im[m_alpha_idx] * ul_ref_sigs[u][v][0][i<<1])>>15) * (int32_t)amp)>>15);
}
}
} // l loop
} // ns
// DFT for pucch-data
for (l=0; l<14; l++) {
if (l==1 || l==5 || l==8 || l==12) {
;
} else {
pucchfmt3_Dft((int16_t*)&y_tilda_ptr[l*12],(int16_t*)&zptr[l*12]);
}
}
// Mapping
m = n3_pucch / N_PUCCH_SF0;
if (shortened_format == 1) {
nsymb = (N_UL_symb<<1) - 1;
} else {
nsymb = (N_UL_symb<<1);
}
for (j=0,l=0; l<(nsymb); l++) {
if ((l<7) && ((m&1) == 0))
re_offset = (m*6) + frame_parms->first_carrier_offset;
else if ((l<7) && ((m&1) == 1))
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else if ((m&1) == 0)
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else
re_offset = ((m-1)*6) + frame_parms->first_carrier_offset;
if (re_offset > frame_parms->ofdm_symbol_size)
re_offset -= (frame_parms->ofdm_symbol_size);
symbol_offset = (unsigned int)frame_parms->ofdm_symbol_size*(l+(subframe*14));
txptr = &txdataF[0][symbol_offset];
for (i=0; i<12; i++,j++) {
txptr[re_offset++] = z[j];
if (re_offset==frame_parms->ofdm_symbol_size)
re_offset = 0;
#ifdef DEBUG_PUCCH_TX
msg("[PHY] PUCCH subframe %d (%d,%d,%d,%d) => %d,%d\n",subframe,l,i,re_offset-1,m,((int16_t *)&z[j])[0],((int16_t *)&z[j])[1]);
#endif
}
}
}
/* PUCCH format3 << */
//#define Amax 13
//void init_pucch2x_rx() {};
/* PUCCH format3 >> */
/* SubCarrier Demap */
uint16_t pucchfmt3_subCarrierDeMapping( PHY_VARS_eNB *eNB,
int16_t SubCarrierDeMapData[NB_ANTENNAS_RX][14][12][2],
uint16_t n3_pucch )
{
LTE_eNB_COMMON *eNB_common_vars = &eNB->common_vars;
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
int16_t *rxptr;
uint8_t N_UL_symb = D_NSYM1SLT; // only Normal CP format
uint16_t m; // Mapping to physical resource blocks(m)
uint32_t aa;
uint16_t k, l;
uint32_t symbol_offset;
uint16_t carrier_offset;
m = n3_pucch / D_NPUCCH_SF5;
// Do detection
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (l=0; l<D_NSYM1SF; l++) {
if ((l<N_UL_symb) && ((m&1) == 0))
carrier_offset = (m*6) + frame_parms->first_carrier_offset;
else if ((l<N_UL_symb) && ((m&1) == 1))
carrier_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else if ((m&1) == 0)
carrier_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else
carrier_offset = (((m-1)*6) + frame_parms->first_carrier_offset);
if (carrier_offset > frame_parms->ofdm_symbol_size)
carrier_offset -= (frame_parms->ofdm_symbol_size);
symbol_offset = (unsigned int)frame_parms->ofdm_symbol_size*l;
rxptr = (int16_t *)&eNB_common_vars->rxdataF[0][aa][symbol_offset];
for (k=0; k<12; k++,carrier_offset++) {
SubCarrierDeMapData[aa][l][k][0] = (int16_t)rxptr[carrier_offset<<1]; // DeMapping Data I
SubCarrierDeMapData[aa][l][k][1] = (int16_t)rxptr[1+(carrier_offset<<1)]; // DeMapping Date Q
if (carrier_offset==frame_parms->ofdm_symbol_size)
carrier_offset = 0;
#ifdef DEBUG_PUCCH_RX
LOG_D(PHY,"[eNB] PUCCH subframe %d (%d,%d,%d,%d) : (%d,%d)\n",subframe,l,k,carrier_offset,m,
SubCarrierDeMapData[aa][l][k][0],SubCarrierDeMapData[aa][l][k][1]);
#endif
}
}
}
return 0;
}
/* cyclic shift hopping remove */
uint16_t pucchfmt3_Baseseq_csh_remove( int16_t SubCarrierDeMapData[NB_ANTENNAS_RX][14][12][2],
int16_t CshData_fmt3[NB_ANTENNAS_RX][14][12][2],
LTE_DL_FRAME_PARMS *frame_parms,
uint8_t subframe,
uint8_t ncs_cell[20][7] )
{
//int16_t calctmp_baSeq[2];
int16_t calctmp_beta[2];
int16_t calctmp_alphak[2];
int16_t calctmp_SCDeMapData_alphak[2];
int32_t n_cell_cs_div64;
int32_t n_cell_cs_modNSC_RB;
//int32_t NSlot1subframe = D_NSLT1SF;
int32_t NSym1slot = D_NSYM1SLT; // Symbol per 1slot
int32_t NSym1subframe = D_NSYM1SF; // Symbol per 1subframe
int32_t aa, symNo, slotNo, sym, k;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) { // Antenna
for (symNo=0; symNo<NSym1subframe; symNo++) { // Symbol
slotNo = symNo / NSym1slot;
sym = symNo % NSym1slot;
n_cell_cs_div64 = (int32_t)(ncs_cell[2*subframe+slotNo][sym]/64.0);
n_cell_cs_modNSC_RB = ncs_cell[2*subframe+slotNo][sym] % 12;
// for canceling e^(j*PI|_n_cs^cell(ns,l)/64_|/2).
calctmp_beta[0] = RotTBL_re[(n_cell_cs_div64)&0x3];
calctmp_beta[1] = RotTBL_im[(n_cell_cs_div64)&0x3];
for (k=0; k<12; k++) { // Sub Carrier
// for canceling being cyclically shifted"(i+n_cs^cell(ns,l))".
// e^((j*2PI(n_cs^cell(ns,l) mod N_SC)/N_SC)*k).
calctmp_alphak[0] = alphaTBL_re[((n_cell_cs_modNSC_RB)*k)%12];
calctmp_alphak[1] = alphaTBL_im[((n_cell_cs_modNSC_RB)*k)%12];
// e^(-alphar*k)*r_l,m,n,k
calctmp_SCDeMapData_alphak[0] = (((int32_t)SubCarrierDeMapData[aa][symNo][k][0] * calctmp_alphak[0] + (int32_t)SubCarrierDeMapData[aa][symNo][k][1] * calctmp_alphak[1])>>15);
calctmp_SCDeMapData_alphak[1] = (((int32_t)SubCarrierDeMapData[aa][symNo][k][1] * calctmp_alphak[0] - (int32_t)SubCarrierDeMapData[aa][symNo][k][0] * calctmp_alphak[1])>>15);
// (e^(-alphar*k)*r_l,m,n,k) * e^(-beta)
CshData_fmt3[aa][symNo][k][0] = (((int32_t)calctmp_SCDeMapData_alphak[0] * calctmp_beta[0] + (int32_t)calctmp_SCDeMapData_alphak[1] * calctmp_beta[1])>>15);
CshData_fmt3[aa][symNo][k][1] = (((int32_t)calctmp_SCDeMapData_alphak[1] * calctmp_beta[0] - (int32_t)calctmp_SCDeMapData_alphak[0] * calctmp_beta[1])>>15);
}
}
}
return 0;
}
#define MAXROW_TBL_SF5_OS_IDX (5) // Orthogonal sequence index
const int16_t TBL_3_SF5_GEN_N_DASH_NS[MAXROW_TBL_SF5_OS_IDX] = {0,3,6,8,10};
#define MAXROW_TBL_SF4_OS_IDX (4) // Orthogonal sequence index
const int16_t TBL_3_SF4_GEN_N_DASH_NS[MAXROW_TBL_SF4_OS_IDX] = {0,3,6,9};
/* Channel estimation */
uint16_t pucchfmt3_ChannelEstimation( int16_t SubCarrierDeMapData[NB_ANTENNAS_RX][14][12][2],
double delta_theta[NB_ANTENNAS_RX][12],
int16_t ChestValue[NB_ANTENNAS_RX][2][12][2],
int16_t *Interpw,
uint8_t subframe,
uint8_t shortened_format,
LTE_DL_FRAME_PARMS *frame_parms,
uint16_t n3_pucch,
uint16_t n3_pucch_array[NUMBER_OF_UE_MAX],
uint8_t ncs_cell[20][7] )
{
uint32_t aa, symNo, k, slotNo, sym, i, j;
int16_t np, np_n, ip_ind;
//int16_t npucch_sf;
int16_t calctmp[2];
int16_t BsCshData[NB_ANTENNAS_RX][D_NSYM1SF][D_NSC1RB][2];
//int16_t delta_theta_calctmp[NB_ANTENNAS_RX][4][D_NSC1RB][2], delta_theta_comp[NB_ANTENNAS_RX][D_NSC1RB][2];
int16_t delta_theta_comp[NB_ANTENNAS_RX][D_NSC1RB][2];
int16_t CsData_allavg[NB_ANTENNAS_RX][14][2];
int16_t CsData_temp[NB_ANTENNAS_RX][D_NSYM1SF][D_NSC1RB][2];
int32_t IP_CsData_allsfavg[NB_ANTENNAS_RX][14][4][2];
int32_t IP_allavg[D_NPUCCH_SF5];
//int16_t temp_ch[2];
int16_t m[NUMBER_OF_UE_MAX], m_self, same_m_number;
uint16_t n3_pucch_sameRB[NUMBER_OF_UE_MAX];
int16_t n_oc0[NUMBER_OF_UE_MAX];
int16_t n_oc1[NUMBER_OF_UE_MAX];
int16_t np_n_array[2][NUMBER_OF_UE_MAX]; //Cyclic shift
uint8_t N_PUCCH_SF0 = 5;
uint8_t N_PUCCH_SF1 = (shortened_format==0)? 5:4;
uint32_t u0 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[subframe<<1]) % 30;
uint32_t u1 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[1+(subframe<<1)]) % 30;
uint32_t v0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
uint32_t u=u0;
uint32_t v=v0;
//double d_theta[32]={0.0};
//int32_t temp_theta[32][2]={0};
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (symNo=0; symNo<D_NSYM1SF; symNo++){
for(ip_ind=0; ip_ind<D_NPUCCH_SF5-1; ip_ind++) {
IP_CsData_allsfavg[aa][symNo][ip_ind][0] = 0;
IP_CsData_allsfavg[aa][symNo][ip_ind][1] = 0;
}
}
}
// compute m[], m_self
for(i=0; i<NUMBER_OF_UE_MAX; i++) {
m[i] = n3_pucch_array[i] / N_PUCCH_SF0; // N_PUCCH_SF0 = 5
if(n3_pucch_array[i] == n3_pucch) {
m_self = i;
}
}
for(i=0; i<NUMBER_OF_UE_MAX; i++) {
//printf("n3_pucch_array[%d]=%d, m[%d]=%d \n", i, n3_pucch_array[i], i, m[i]);
}
//printf("m_self=%d \n", m_self);
// compute n3_pucch_sameRB[] // Not 4 not be equally divided
for(i=0, same_m_number=0; i<NUMBER_OF_UE_MAX; i++) {
if(m[i] == m[m_self]) {
n3_pucch_sameRB[same_m_number] = n3_pucch_array[i];
same_m_number++;
}
}
//printf("same_m_number = %d \n", same_m_number);
for(i=0; i<same_m_number; i++) {
//printf("n3_pucch_sameRB[%d]=%d \n", i, n3_pucch_sameRB[i]);
}
// compute n_oc1[], n_oc0[]
for(i=0; i<same_m_number; i++) {
n_oc0[i] = n3_pucch_sameRB[i] % N_PUCCH_SF1; //N_PUCCH_SF1 = (shortened_format==0)? 5:4;
if (N_PUCCH_SF1 == 5) {
n_oc1[i] = (3 * n_oc0[i]) % N_PUCCH_SF1;
} else {
n_oc1[i] = n_oc0[i] % N_PUCCH_SF1;
}
}
for(i=0; i<same_m_number; i++) {
//printf("n_oc0[%d]=%d, n_oc1[%d]=%d \n", i, n_oc0[i], i, n_oc1[i]);
}
// np_n_array[][]
for(i=0; i<same_m_number; i++) {
if (N_PUCCH_SF1 == 5) {
np_n_array[0][i] = TBL_3_SF5_GEN_N_DASH_NS[n_oc0[i]]; //slot0
np_n_array[1][i] = TBL_3_SF5_GEN_N_DASH_NS[n_oc1[i]]; //slot1
} else {
np_n_array[0][i] = TBL_3_SF4_GEN_N_DASH_NS[n_oc0[i]];
np_n_array[1][i] = TBL_3_SF4_GEN_N_DASH_NS[n_oc1[i]];
}
}
for(i=0; i<same_m_number; i++) {
//printf("np_n_array[0][%d]=%d ,np_n_array[1][%d]=%d \n", i, np_n_array[0][i], i, np_n_array[1][i]);
}
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (symNo=0; symNo<D_NSYM1SF; symNo++){ // #define D_NSYM1SF 2*7
slotNo = symNo / D_NSYM1SLT;
sym = symNo % D_NSYM1SLT;
for (k=0; k<D_NSC1RB; k++) { // #define D_NSC1RB 12
// remove Base Sequence (c_r^*)*(r_l,m,m,n,k) = BsCshData
BsCshData[aa][symNo][k][0] = (((int32_t)SubCarrierDeMapData[aa][symNo][k][0] * ul_ref_sigs[u][v][0][k<<1] + (int32_t)SubCarrierDeMapData[aa][symNo][k][1] * ul_ref_sigs[u][v][0][1+(k<<1)])>>15);
BsCshData[aa][symNo][k][1] = (((int32_t)SubCarrierDeMapData[aa][symNo][k][1] * ul_ref_sigs[u][v][0][k<<1] - (int32_t)SubCarrierDeMapData[aa][symNo][k][0] * ul_ref_sigs[u][v][0][1+(k<<1)])>>15);
if(shortened_format == 1) {
if (symNo < D_NSYM1SLT) {
np = n3_pucch % D_NPUCCH_SF4; // np = n_oc
np_n = TBL_3_SF4_GEN_N_DASH_NS[np]; //
} else {
np = n3_pucch % D_NPUCCH_SF4; //
np_n = TBL_3_SF4_GEN_N_DASH_NS[np]; //
}
//npucch_sf = D_NPUCCH_SF4;// = 4
} else {
if (symNo < D_NSYM1SLT) {
np = n3_pucch % D_NPUCCH_SF5;
np_n = TBL_3_SF5_GEN_N_DASH_NS[np];
} else {
np = (3 * n3_pucch) % D_NPUCCH_SF5;
np_n = TBL_3_SF5_GEN_N_DASH_NS[np];
}
//npucch_sf = D_NPUCCH_SF5;// = 5
}
// cyclic shift e^(-j * beta_n * k)
calctmp[0] = alphaTBL_re[(((ncs_cell[2*subframe+slotNo][sym] + np_n)%D_NSC1RB)*k)%12];
calctmp[1] = alphaTBL_im[(((ncs_cell[2*subframe+slotNo][sym] + np_n)%D_NSC1RB)*k)%12];
// Channel Estimation 1A, g'(n_cs)_l,m,n
// CsData_temp = g_l,m,n,k
// remove cyclic shift BsCshData * e^(-j * beta_n * k)
CsData_temp[aa][symNo][k][0]=((((int32_t)BsCshData[aa][symNo][k][0] * calctmp[0] + (int32_t)BsCshData[aa][symNo][k][1] * calctmp[1])/ D_NSC1RB)>>15);
CsData_temp[aa][symNo][k][1]=((((int32_t)BsCshData[aa][symNo][k][1] * calctmp[0] - (int32_t)BsCshData[aa][symNo][k][0] * calctmp[1])/ D_NSC1RB)>>15);
// Interference power for Channel Estimation 1A, No use Cyclic Shift g'(n_cs)_l,m,n
// Calculated by the cyclic shift that is not used S(ncs)_est
ip_ind = 0;
for(i=0; i<N_PUCCH_SF1; i++) {
for(j=0; j<same_m_number; j++) { //np_n_array Loop
if(shortened_format == 1) {
if(symNo < D_NSYM1SLT) { // if SF==1 slot0
if(TBL_3_SF4_GEN_N_DASH_NS[i] == np_n_array[0][j]) {
break;
}
} else { // if SF==1 slot1
if(TBL_3_SF4_GEN_N_DASH_NS[i] == np_n_array[1][j]) {
break;
}
}
} else {
if(symNo < D_NSYM1SLT) { // if SF==0 slot0
if(TBL_3_SF5_GEN_N_DASH_NS[i] == np_n_array[0][j]) {
break;
}
} else { // if SF==0 slot1
if(TBL_3_SF5_GEN_N_DASH_NS[i] == np_n_array[1][j]) {
break;
}
}
}
if(j == same_m_number - 1) { //when even once it has not been used
if(shortened_format == 1) {
calctmp[0] = alphaTBL_re[(((ncs_cell[2*subframe+slotNo][sym] + TBL_3_SF4_GEN_N_DASH_NS[i])%D_NSC1RB)*k)%12]; //D_NSC1RB =12
calctmp[1] = alphaTBL_im[(((ncs_cell[2*subframe+slotNo][sym] + TBL_3_SF4_GEN_N_DASH_NS[i])%D_NSC1RB)*k)%12];
} else {
calctmp[0] = alphaTBL_re[(((ncs_cell[2*subframe+slotNo][sym] + TBL_3_SF5_GEN_N_DASH_NS[i])%D_NSC1RB)*k)%12];
calctmp[1] = alphaTBL_im[(((ncs_cell[2*subframe+slotNo][sym] + TBL_3_SF5_GEN_N_DASH_NS[i])%D_NSC1RB)*k)%12];
}
// IP_CsData_allsfavg = g'(n_cs)_l,m,n
IP_CsData_allsfavg[aa][symNo][ip_ind][0] += ((((int32_t)BsCshData[aa][symNo][k][0] * calctmp[0] + (int32_t)BsCshData[aa][symNo][k][1] * calctmp[1]))>>15);
IP_CsData_allsfavg[aa][symNo][ip_ind][1] += ((((int32_t)BsCshData[aa][symNo][k][1] * calctmp[0] - (int32_t)BsCshData[aa][symNo][k][0] * calctmp[1]))>>15);
if((symNo == 1 || symNo == 5 || symNo == 8 || symNo == 12)) {
}
ip_ind++;
}
}
}
}
if(symNo > D_NSYM1SLT-1) {
u=u1;
v=v1;
}
}
}
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (symNo=0; symNo<D_NSYM1SF; symNo++){
CsData_allavg[aa][symNo][0] = 0;
CsData_allavg[aa][symNo][1] = 0;
for (k=0; k<D_NSC1RB; k++) {
CsData_allavg[aa][symNo][0] += (int16_t)((double)CsData_temp[aa][symNo][k][0]);
CsData_allavg[aa][symNo][1] += (int16_t)((double)CsData_temp[aa][symNo][k][1]);
}
}
}
// Frequency deviation estimation
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (k=0; k<12; k++) {
delta_theta_comp[aa][k][0] = 0;
delta_theta_comp[aa][k][1] = 0;
delta_theta_comp[aa][k][0] += (((int32_t)CsData_temp[aa][1][k][0] * CsData_temp[aa][5][k][0] + (int32_t)((CsData_temp[aa][1][k][1])*CsData_temp[aa][5][k][1]))>>8);
delta_theta_comp[aa][k][1] += (((int32_t)CsData_temp[aa][1][k][0]*CsData_temp[aa][5][k][1] - (int32_t)((CsData_temp[aa][1][k][1])*CsData_temp[aa][5][k][0]) )>>8);
delta_theta_comp[aa][k][0] += (((int32_t)CsData_temp[aa][8][k][0] * CsData_temp[aa][12][k][0] + (int32_t)((CsData_temp[aa][8][k][1])*CsData_temp[aa][12][k][1]))>>8);
delta_theta_comp[aa][k][1] += (((int32_t)CsData_temp[aa][8][k][0]*CsData_temp[aa][12][k][1] - (int32_t)((CsData_temp[aa][8][k][1])*CsData_temp[aa][12][k][0]))>>8);
delta_theta[aa][k] = atan2((double)delta_theta_comp[aa][k][1], (double)delta_theta_comp[aa][k][0]) / 4.0;
}
}
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (k=0; k<D_NSC1RB; k++) {
ChestValue[aa][0][k][0] = (int16_t)((CsData_allavg[aa][1][0] + (int16_t)(((double)CsData_allavg[aa][5][0] * cos(delta_theta[aa][k]*4)) + ((double)CsData_allavg[aa][5][1] * sin(delta_theta[aa][k]*4)))) /(2*D_NSC1RB)) ;
ChestValue[aa][0][k][1] = (int16_t)((CsData_allavg[aa][1][1] + (int16_t)(((double)CsData_allavg[aa][5][1] * cos(delta_theta[aa][k]*4)) - ((double)CsData_allavg[aa][5][0] * sin(delta_theta[aa][k]*4)))) /(2*D_NSC1RB)) ;
ChestValue[aa][1][k][0] = (int16_t)((CsData_allavg[aa][8][0] + (int16_t)(((double)CsData_allavg[aa][12][0] * cos(delta_theta[aa][k]*4)) + ((double)CsData_allavg[aa][12][1] * sin(delta_theta[aa][k]*4)))) /(2*D_NSC1RB)) ;
ChestValue[aa][1][k][1] = (int16_t)((CsData_allavg[aa][8][1] + (int16_t)(((double)CsData_allavg[aa][12][1] * cos(delta_theta[aa][k]*4)) - ((double)CsData_allavg[aa][12][0] * sin(delta_theta[aa][k]*4)))) /(2*D_NSC1RB)) ;
}
}
*Interpw = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
if(ip_ind == 0) {//ip_ind= The total number of cyclic shift of non-use
*Interpw = 1;
break;
}
for(i=0; i<ip_ind; i++) {
IP_allavg[i] = 0;
IP_allavg[i] += (((int32_t)IP_CsData_allsfavg[aa][1][i][0] * IP_CsData_allsfavg[aa][1][i][0] + (int32_t)IP_CsData_allsfavg[aa][1][i][1]*IP_CsData_allsfavg[aa][1][i][1])>>8);
IP_allavg[i] += (((int32_t)IP_CsData_allsfavg[aa][5][i][0] * IP_CsData_allsfavg[aa][5][i][0] + (int32_t)IP_CsData_allsfavg[aa][5][i][1]*IP_CsData_allsfavg[aa][5][i][1])>>8);
IP_allavg[i] += (((int32_t)IP_CsData_allsfavg[aa][8][i][0] * IP_CsData_allsfavg[aa][8][i][0] + (int32_t)IP_CsData_allsfavg[aa][8][i][1]*IP_CsData_allsfavg[aa][8][i][1])>>8);
IP_allavg[i] += (((int32_t)IP_CsData_allsfavg[aa][12][i][0] * IP_CsData_allsfavg[aa][12][i][0] + (int32_t)IP_CsData_allsfavg[aa][12][i][1]*IP_CsData_allsfavg[aa][12][i][1])>>8);
*Interpw += IP_allavg[i]/(2*D_NSLT1SF*frame_parms->nb_antennas_rx*ip_ind*12);
}
}
return 0;
}
/* Channel Equalization */
uint16_t pucchfmt3_Equalization( int16_t CshData_fmt3[NB_ANTENNAS_RX][14][12][2],
int16_t ChdetAfterValue_fmt3[NB_ANTENNAS_RX][14][12][2],
int16_t ChestValue[NB_ANTENNAS_RX][2][12][2],
LTE_DL_FRAME_PARMS *frame_parms)
{
int16_t aa, sltNo, symNo, k;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
sltNo = 0;
for (symNo=0; symNo<D_NSYM1SF; symNo++){
if(symNo >= D_NSYM1SLT) {
sltNo = 1;
}
for (k=0; k<D_NSC1RB; k++){
ChdetAfterValue_fmt3[aa][symNo][k][0] = (((int32_t)CshData_fmt3[aa][symNo][k][0] * ChestValue[aa][sltNo][k][0] + (int32_t)CshData_fmt3[aa][symNo][k][1] * ChestValue[aa][sltNo][k][1])>>8);
ChdetAfterValue_fmt3[aa][symNo][k][1] = (((int32_t)CshData_fmt3[aa][symNo][k][1] * ChestValue[aa][sltNo][k][0] - (int32_t)CshData_fmt3[aa][symNo][k][0] * ChestValue[aa][sltNo][k][1])>>8);
}
}
}
return 0;
}
/* Frequency deviation remove AFC */
uint16_t pucchfmt3_FrqDevRemove( int16_t ChdetAfterValue_fmt3[NB_ANTENNAS_RX][14][12][2],
double delta_theta[NB_ANTENNAS_RX][12],
int16_t RemoveFrqDev_fmt3[NB_ANTENNAS_RX][2][5][12][2],
LTE_DL_FRAME_PARMS *frame_parms )
{
int16_t aa, sltNo, symNo1slt, k, n;
double calctmp[2];
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for(sltNo = 0; sltNo<D_NSLT1SF; sltNo++)
{
n=0;
for (symNo1slt=0, n=0; symNo1slt<D_NSYM1SLT; symNo1slt++){
if(!((symNo1slt==1) || (symNo1slt==5))) {
for (k=0; k<D_NSC1RB; k++) {
calctmp[0] = cos(delta_theta[aa][k] * (n-1));
calctmp[1] = sin(delta_theta[aa][k] * (n-1));
RemoveFrqDev_fmt3[aa][sltNo][n][k][0] = (int16_t)((double)ChdetAfterValue_fmt3[aa][(sltNo*D_NSYM1SLT)+symNo1slt][k][0] * calctmp[0]
+ (double)ChdetAfterValue_fmt3[aa][(sltNo*D_NSYM1SLT)+symNo1slt][k][1] * calctmp[1]);
RemoveFrqDev_fmt3[aa][sltNo][n][k][1] = (int16_t)((double)ChdetAfterValue_fmt3[aa][(sltNo*D_NSYM1SLT)+symNo1slt][k][1] * calctmp[0]
- (double)ChdetAfterValue_fmt3[aa][(sltNo*D_NSYM1SLT)+symNo1slt][k][0] * calctmp[1]);
}
n++;
}
}
}
}
return 0;
}
//for opt.Lev.2
#define MAXROW_TBL_SF5 5
#define MAXCLM_TBL_SF5 5
const int16_t TBL_3_SF5[MAXROW_TBL_SF5][MAXCLM_TBL_SF5][2] =
{{ {32767,0}, {32767,0}, {32767,0}, {32767,0}, {32767,0}},
{ {32767,0}, {10126, 31163}, {-26509, 19260}, {-26509, -19260}, {10126, -31163}},
{ {32767,0}, {-26509, 19260}, {10126, -31163}, {10126, 31163}, {-26509, -19260}},
{ {32767,0}, {-26509, -19260}, {10126, 31163}, {10126, -31163}, {-26509, 19260}},
{ {32767,0}, {10126, -31163}, {-26509, -19260}, {-26509, 19260}, {10126, 31163}}};
#define MAXROW_TBL_SF4_fmt3 4
#define MAXCLM_TBL_SF4 4
const int16_t TBL_3_SF4[MAXROW_TBL_SF4_fmt3][MAXCLM_TBL_SF4][2] =
{{ {32767,0}, {32767,0}, {32767,0}, {32767,0}},
{ {32767,0}, {-32767,0}, {32767,0}, {-32767,0}},
{ {32767,0}, {32767,0}, {-32767,0}, {-32767,0}},
{ {32767,0}, {-32767,0}, {-32767,0}, {32767,0}}};
/* orthogonal sequence remove */
uint16_t pucchfmt3_OrthSeqRemove( int16_t RemoveFrqDev_fmt3[NB_ANTENNAS_RX][2][5][12][2],
int16_t Fmt3xDataRmvOrth[NB_ANTENNAS_RX][2][5][12][2],
uint8_t shortened_format,
uint16_t n3_pucch,
LTE_DL_FRAME_PARMS *frame_parms )
{
int16_t aa, sltNo, n, k;
int16_t Npucch_sf;
int16_t noc;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (sltNo=0; sltNo<D_NSLT1SF; sltNo++){
if(shortened_format == 1) {
if(sltNo == 0) {
noc = n3_pucch % D_NPUCCH_SF4;
Npucch_sf = D_NPUCCH_SF5;
} else {
noc = n3_pucch % D_NPUCCH_SF4;
Npucch_sf = D_NPUCCH_SF4;
}
} else {
if(sltNo == 0) {
noc = n3_pucch % D_NPUCCH_SF5;
Npucch_sf = D_NPUCCH_SF5;
} else {
noc = (3 * n3_pucch) % D_NPUCCH_SF5;
Npucch_sf = D_NPUCCH_SF5;
}
}
for (n=0; n<Npucch_sf; n++){
for (k=0; k<D_NSC1RB; k++) {
if ((sltNo == 1) && (shortened_format == 1)) {
Fmt3xDataRmvOrth[aa][sltNo][n][k][0] = (((int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][0] * TBL_3_SF4[noc][n][0] + (int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][1] * TBL_3_SF4[noc][n][1])>>15);
Fmt3xDataRmvOrth[aa][sltNo][n][k][1] = (((int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][1] * TBL_3_SF4[noc][n][0] - (int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][0] * TBL_3_SF4[noc][n][1])>>15);
} else {
Fmt3xDataRmvOrth[aa][sltNo][n][k][0] = (((int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][0] * TBL_3_SF5[noc][n][0] + (int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][1] * TBL_3_SF5[noc][n][1])>>15);
Fmt3xDataRmvOrth[aa][sltNo][n][k][1] = (((int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][1] * TBL_3_SF5[noc][n][0] - (int32_t)RemoveFrqDev_fmt3[aa][sltNo][n][k][0] * TBL_3_SF5[noc][n][1])>>15);
}
}
}
}
}
return 0;
}
/* averaging antenna */
uint16_t pucchfmt3_AvgAnt( int16_t Fmt3xDataRmvOrth[NB_ANTENNAS_RX][2][5][12][2],
int16_t Fmt3xDataAvgAnt[2][5][12][2],
uint8_t shortened_format,
LTE_DL_FRAME_PARMS *frame_parms )
{
int16_t aa, sltNo, n, k;
int16_t Npucch_sf;
for (sltNo=0; sltNo<D_NSLT1SF; sltNo++){
if((sltNo == 1) && (shortened_format == 1)) {
Npucch_sf = D_NPUCCH_SF4;
} else {
Npucch_sf = D_NPUCCH_SF5;
}
for (n=0; n<Npucch_sf; n++){
for (k=0; k<D_NSC1RB; k++) {
Fmt3xDataAvgAnt[sltNo][n][k][0] = 0;
Fmt3xDataAvgAnt[sltNo][n][k][1] = 0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
Fmt3xDataAvgAnt[sltNo][n][k][0] += Fmt3xDataRmvOrth[aa][sltNo][n][k][0] / frame_parms->nb_antennas_rx;
Fmt3xDataAvgAnt[sltNo][n][k][1] += Fmt3xDataRmvOrth[aa][sltNo][n][k][1] / frame_parms->nb_antennas_rx;
}
}
}
}
return 0;
}
/* averaging symbol */
uint16_t pucchfmt3_AvgSym( int16_t Fmt3xDataAvgAnt[2][5][12][2],
int16_t Fmt3xDataAvgSym[2][12][2],
uint8_t shortened_format )
{
int16_t sltNo, n, k;
int16_t Npucch_sf;
for (sltNo=0; sltNo<D_NSLT1SF; sltNo++){
if((sltNo == 1) && (shortened_format == 1)) {
Npucch_sf = D_NPUCCH_SF4;
} else {
Npucch_sf = D_NPUCCH_SF5;
}
for (k=0; k<D_NSC1RB; k++) {
Fmt3xDataAvgSym[sltNo][k][0] = 0;
Fmt3xDataAvgSym[sltNo][k][1] = 0;
for (n=0; n<Npucch_sf; n++){
Fmt3xDataAvgSym[sltNo][k][0] += Fmt3xDataAvgAnt[sltNo][n][k][0] / Npucch_sf;
Fmt3xDataAvgSym[sltNo][k][1] += Fmt3xDataAvgAnt[sltNo][n][k][1] / Npucch_sf;
}
}
}
return 0;
}
/* iDFT */
void pucchfmt3_IDft2( int16_t *x, int16_t *y )
{
int16_t i, k;
int16_t tmp[2];
int16_t calctmp[D_NSC1RB*2]={0};
for(k=0; k<D_NSC1RB; k++) {
for (i=0; i<D_NSC1RB; i++) {
tmp[0] = alphaTBL_re[((i*k)%12)];
tmp[1] = alphaTBL_im[((i*k)%12)];
calctmp[2*k] += (((int32_t)x[2*i] * tmp[0] - (int32_t)x[2*i+1] * tmp[1])>>15);
calctmp[2*k+1] += (((int32_t)x[2*i+1] * tmp[0] + (int32_t)x[2*i] * tmp[1])>>15);
}
y[2*k] = (int16_t)( (double) calctmp[2*k] / sqrt(D_NSC1RB));
y[2*k+1] = (int16_t)((double) calctmp[2*k+1] / sqrt(D_NSC1RB));
}
}
/* descramble */
uint16_t pucchfmt3_Descramble( int16_t IFFTOutData_Fmt3[2][12][2],
int16_t b[48],
uint8_t subframe,
uint32_t Nid_cell,
uint32_t rnti
)
{
int16_t m, k, c,i,j;
uint32_t cinit = 0;
uint32_t x1;
uint32_t s,s0,s1;
cinit = (subframe + 1) * ((2 * Nid_cell + 1)<<16) + rnti;
s0 = lte_gold_generic(&x1,&cinit,1);
s1 = lte_gold_generic(&x1,&cinit,0);
i=0;
for (m=0; m<D_NSLT1SF; m++){
for(k=0; k<D_NSC1RB; k++) {
s = (i<32)? s0:s1;
j = (i<32)? i:(i-32);
c=((s>>j)&1);
b[i] = (IFFTOutData_Fmt3[m][k][0] * (1 - 2*c));
i++;
s = (i<32)? s0:s1;
j = (i<32)? i:(i-32);
c=((s>>j)&1);
b[i] = (IFFTOutData_Fmt3[m][k][1] * (1 - 2*c));
i++;
}
}
return 0;
}
int16_t pucchfmt3_Decode( int16_t b[48],
uint8_t subframe,
int16_t DTXthreshold,
int16_t Interpw,
uint8_t do_sr)
{
int16_t c, i;
int32_t Rho_tmp;
int16_t c_max;
int32_t Rho_max;
int16_t bit_pattern;
/* Is payload 6bit or 7bit? */
if( do_sr == 1 ) {
bit_pattern = 128;
} else {
bit_pattern = 64;
}
c=0;
Rho_tmp = 0;
for (i=0;i<48;i++) {
Rho_tmp += b[i] * (1-2*chcod_tbl[c][i]);
}
c_max = c;
Rho_max = Rho_tmp;
for(c=1; c<bit_pattern; c++) {
Rho_tmp = 0;
for (i=0;i<48;i++) {
Rho_tmp += b[i] * (1-2*chcod_tbl[c][i]);
}
if (Rho_tmp > Rho_max) {
c_max = c;
Rho_max = Rho_tmp;
}
}
if(Interpw<1){
Interpw=1;
}
if((Rho_max/Interpw) > DTXthreshold) {
// ***Log
return c_max;
} else {
// ***Log
return -1;
}
}
/* PUCCH format3 << */
uint32_t rx_pucch(PHY_VARS_eNB *eNB,
PUCCH_FMT_t fmt,
uint8_t UE_id,
uint16_t n1_pucch,
uint16_t n2_pucch,
uint8_t shortened_format,
uint8_t *payload,
int frame,
uint8_t subframe,
uint8_t pucch1_thres)
{
static int first_call=1;
LTE_eNB_COMMON *common_vars = &eNB->common_vars;
LTE_DL_FRAME_PARMS *frame_parms = &eNB->frame_parms;
// PUCCH_CONFIG_DEDICATED *pucch_config_dedicated = &eNB->pucch_config_dedicated[UE_id];
int8_t sigma2_dB = eNB->measurements[0].n0_subband_power_tot_dB[0]-10;
uint32_t *Po_PUCCH = &(eNB->UE_stats[UE_id].Po_PUCCH);
int32_t *Po_PUCCH_dBm = &(eNB->UE_stats[UE_id].Po_PUCCH_dBm);
uint32_t *Po_PUCCH1_below = &(eNB->UE_stats[UE_id].Po_PUCCH1_below);
uint32_t *Po_PUCCH1_above = &(eNB->UE_stats[UE_id].Po_PUCCH1_above);
int32_t *Po_PUCCH_update = &(eNB->UE_stats[UE_id].Po_PUCCH_update);
uint32_t u,v,n,aa;
uint32_t z[12*14];
int16_t *zptr;
int16_t rxcomp[NB_ANTENNAS_RX][2*12*14];
uint8_t ns,N_UL_symb,nsymb,n_oc,n_oc0,n_oc1;
uint8_t c = (frame_parms->Ncp==0) ? 3 : 2;
uint16_t nprime,nprime0,nprime1;
uint16_t i,j,re_offset,thres,h,off;
uint8_t Nprime_div_deltaPUCCH_Shift,Nprime,d;
uint8_t m,l,refs,phase,re,l2,phase_max=0;
uint8_t n_cs,S,alpha_ind,rem;
int16_t tmp_re,tmp_im,W_re=0,W_im=0;
int16_t *rxptr;
uint32_t symbol_offset;
int16_t stat_ref_re,stat_ref_im,*cfo,chest_re,chest_im;
int32_t stat_re=0,stat_im=0;
uint32_t stat,stat_max=0;
uint8_t deltaPUCCH_Shift = frame_parms->pucch_config_common.deltaPUCCH_Shift;
uint8_t NRB2 = frame_parms->pucch_config_common.nRB_CQI;
uint8_t Ncs1_div_deltaPUCCH_Shift = frame_parms->pucch_config_common.nCS_AN;
uint32_t u0 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[subframe<<1]) % 30;
uint32_t u1 = (frame_parms->Nid_cell + frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.grouphop[1+(subframe<<1)]) % 30;
uint32_t v0=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[subframe<<1];
uint32_t v1=frame_parms->pusch_config_common.ul_ReferenceSignalsPUSCH.seqhop[1+(subframe<<1)];
int chL;
/* PUCCH format3 >> */
uint16_t Ret = 0;
int16_t SubCarrierDeMapData[NB_ANTENNAS_RX][14][12][2]; //[Antenna][Symbol][Subcarrier][Complex]
int16_t CshData_fmt3[NB_ANTENNAS_RX][14][12][2]; //[Antenna][Symbol][Subcarrier][Complex]
double delta_theta[NB_ANTENNAS_RX][12]; //[Antenna][Subcarrier][Complex]
int16_t ChestValue[NB_ANTENNAS_RX][2][12][2]; //[Antenna][Slot][Subcarrier][Complex]
int16_t ChdetAfterValue_fmt3[NB_ANTENNAS_RX][14][12][2]; //[Antenna][Symbol][Subcarrier][Complex]
int16_t RemoveFrqDev_fmt3[NB_ANTENNAS_RX][2][5][12][2]; //[Antenna][Slot][PUCCH_Symbol][Subcarrier][Complex]
int16_t Fmt3xDataRmvOrth[NB_ANTENNAS_RX][2][5][12][2]; //[Antenna][Slot][PUCCH_Symbol][Subcarrier][Complex]
int16_t Fmt3xDataAvgAnt[2][5][12][2]; //[Slot][PUCCH_Symbol][Subcarrier][Complex]
int16_t Fmt3xDataAvgSym[2][12][2]; //[Slot][Subcarrier][Complex]
int16_t IFFTOutData_Fmt3[2][12][2]; //[Slot][Subcarrier][Complex]
int16_t b[48]; //[bit]
//int16_t IP_CsData_allavg[NB_ANTENNAS_RX][12][4][2]; //[Antenna][Symbol][Nouse Cyclic Shift][Complex]
int16_t payload_entity = -1;
int16_t Interpw;
int16_t payload_max;
// TODO
// When using PUCCH format3, it must be an argument of rx_pucch function
uint16_t n3_pucch = 20;
uint16_t n3_pucch_array[NUMBER_OF_UE_MAX]={1};
n3_pucch_array[0]=n3_pucch;
uint8_t do_sr = 1;
uint16_t crnti=0x1234;
int16_t DTXthreshold = 10;
/* PUCCH format3 << */
if (first_call == 1) {
for (i=0;i<10;i++) {
for (j=0;j<NUMBER_OF_UE_MAX;j++) {
eNB->pucch1_stats_cnt[j][i]=0;
eNB->pucch1ab_stats_cnt[j][i]=0;
}
}
first_call=0;
}
/*
switch (frame_parms->N_RB_UL) {
case 6:
sigma2_dB -= 8;
break;
case 25:
sigma2_dB -= 14;
break;
case 50:
sigma2_dB -= 17;
break;
case 100:
sigma2_dB -= 20;
break;
default:
sigma2_dB -= 14;
}
*/
if(fmt!=pucch_format3) { /* PUCCH format3 */
// TODO
// "SR+ACK/NACK" length is only 7 bits.
// This restriction will be lifted in the future.
// "CQI/PMI/RI+ACK/NACK" will be supported in the future.
if ((deltaPUCCH_Shift==0) || (deltaPUCCH_Shift>3)) {
LOG_E(PHY,"[eNB] rx_pucch: Illegal deltaPUCCH_shift %d (should be 1,2,3)\n",deltaPUCCH_Shift);
return(-1);
}
if (Ncs1_div_deltaPUCCH_Shift > 7) {
LOG_E(PHY,"[eNB] rx_pucch: Illegal Ncs1_div_deltaPUCCH_Shift %d (should be 0...7)\n",Ncs1_div_deltaPUCCH_Shift);
return(-1);
}
zptr = (int16_t *)z;
thres = (c*Ncs1_div_deltaPUCCH_Shift);
Nprime_div_deltaPUCCH_Shift = (n1_pucch < thres) ? Ncs1_div_deltaPUCCH_Shift : (12/deltaPUCCH_Shift);
Nprime = Nprime_div_deltaPUCCH_Shift * deltaPUCCH_Shift;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH: cNcs1/deltaPUCCH_Shift %d, Nprime %d, n1_pucch %d\n",thres,Nprime,n1_pucch);
#endif
N_UL_symb = (frame_parms->Ncp==NORMAL) ? 7 : 6;
if (n1_pucch < thres)
nprime0=n1_pucch;
else
nprime0 = (n1_pucch - thres)%(12*c/deltaPUCCH_Shift);
if (n1_pucch >= thres)
nprime1= ((c*(nprime0+1))%((12*c/deltaPUCCH_Shift)+1))-1;
else {
d = (frame_parms->Ncp==0) ? 2 : 0;
h= (nprime0+d)%(c*Nprime_div_deltaPUCCH_Shift);
nprime1 = (h/c) + (h%c)*Nprime_div_deltaPUCCH_Shift;
}
#ifdef DEBUG_PUCCH_RX
printf("PUCCH: nprime0 %d nprime1 %d\n",nprime0,nprime1);
#endif
n_oc0 = nprime0/Nprime_div_deltaPUCCH_Shift;
if (frame_parms->Ncp==1)
n_oc0<<=1;
n_oc1 = nprime1/Nprime_div_deltaPUCCH_Shift;
if (frame_parms->Ncp==1) // extended CP
n_oc1<<=1;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH: noc0 %d noc11 %d\n",n_oc0,n_oc1);
#endif
nprime=nprime0;
n_oc =n_oc0;
// loop over 2 slots
for (ns=(subframe<<1),u=u0,v=v0; ns<(2+(subframe<<1)); ns++,u=u1,v=v1) {
if ((nprime&1) == 0)
S=0; // 1
else
S=1; // j
/*
if (fmt==pucch_format1)
LOG_I(PHY,"[eNB] subframe %d => PUCCH1: u%d %d, v%d %d : ", subframe,ns&1,u,ns&1,v);
else
LOG_I(PHY,"[eNB] subframe %d => PUCCH1a/b: u%d %d, v%d %d : ", subframe,ns&1,u,ns&1,v);
*/
//loop over symbols in slot
for (l=0; l<N_UL_symb; l++) {
// Compute n_cs (36.211 p. 18)
n_cs = eNB->ncs_cell[ns][l];
if (frame_parms->Ncp==0) { // normal CP
n_cs = ((uint16_t)n_cs + (nprime*deltaPUCCH_Shift + (n_oc%deltaPUCCH_Shift))%Nprime)%12;
} else {
n_cs = ((uint16_t)n_cs + (nprime*deltaPUCCH_Shift + (n_oc>>1))%Nprime)%12;
}
refs=0;
// Comput W_noc(m) (36.211 p. 19)
if ((ns==(1+(subframe<<1))) && (shortened_format==1)) { // second slot and shortened format
if (l<2) { // data
W_re=W3_re[n_oc][l];
W_im=W3_im[n_oc][l];
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==0)) { // reference and normal CP
W_re=W3_re[n_oc][l-2];
W_im=W3_im[n_oc][l-2];
refs=1;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==1)) { // reference and extended CP
W_re=W4[n_oc][l-2];
W_im=0;
refs=1;
} else if ((l>=N_UL_symb-2)) { // data
W_re=W3_re[n_oc][l-N_UL_symb+4];
W_im=W3_im[n_oc][l-N_UL_symb+4];
}
} else {
if (l<2) { // data
W_re=W4[n_oc][l];
W_im=0;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==NORMAL)) { // reference and normal CP
W_re=W3_re[n_oc][l-2];
W_im=W3_im[n_oc][l-2];
refs=1;
} else if ((l<N_UL_symb-2)&&(frame_parms->Ncp==EXTENDED)) { // reference and extended CP
W_re=W4[n_oc][l-2];
W_im=0;
refs=1;
} else if ((l>=N_UL_symb-2)) { // data
W_re=W4[n_oc][l-N_UL_symb+4];
W_im=0;
}
}
// multiply W by S(ns) (36.211 p.17). only for data, reference symbols do not have this factor
if ((S==1)&&(refs==0)) {
tmp_re = W_re;
W_re = -W_im;
W_im = tmp_re;
}
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH: ncs[%d][%d]=%d, W_re %d, W_im %d, S %d, refs %d\n",ns,l,n_cs,W_re,W_im,S,refs);
#endif
alpha_ind=0;
// compute output sequence
for (n=0; n<12; n++) {
// this is r_uv^alpha(n)
tmp_re = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][n<<1] - (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)])>>15);
tmp_im = (int16_t)(((int32_t)alpha_re[alpha_ind] * ul_ref_sigs[u][v][0][1+(n<<1)] + (int32_t)alpha_im[alpha_ind] * ul_ref_sigs[u][v][0][n<<1])>>15);
// this is S(ns)*w_noc(m)*r_uv^alpha(n)
zptr[n<<1] = (tmp_re*W_re - tmp_im*W_im)>>15;
zptr[1+(n<<1)] = -(tmp_re*W_im + tmp_im*W_re)>>15;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d z(%d,%d) => %d,%d, alpha(%d) => %d,%d\n",subframe,l,n,zptr[n<<1],zptr[(n<<1)+1],
alpha_ind,alpha_re[alpha_ind],alpha_im[alpha_ind]);
#endif
alpha_ind = (alpha_ind + n_cs)%12;
} // n
zptr+=24;
} // l
nprime=nprime1;
n_oc =n_oc1;
} // ns
rem = ((((deltaPUCCH_Shift*Ncs1_div_deltaPUCCH_Shift)>>3)&7)>0) ? 1 : 0;
m = (n1_pucch < thres) ? NRB2 : (((n1_pucch-thres)/(12*c/deltaPUCCH_Shift))+NRB2+((deltaPUCCH_Shift*Ncs1_div_deltaPUCCH_Shift)>>3)+rem);
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH: m %d\n",m);
#endif
nsymb = N_UL_symb<<1;
zptr = (int16_t*)z;
// Do detection
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
//for (j=0,l=0;l<(nsymb-1);l++) {
for (j=0,l=0; l<nsymb; l++) {
if ((l<(nsymb>>1)) && ((m&1) == 0))
re_offset = (m*6) + frame_parms->first_carrier_offset;
else if ((l<(nsymb>>1)) && ((m&1) == 1))
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else if ((m&1) == 0)
re_offset = frame_parms->first_carrier_offset + (frame_parms->N_RB_DL - (m>>1) - 1)*12;
else
re_offset = ((m-1)*6) + frame_parms->first_carrier_offset;
if (re_offset > frame_parms->ofdm_symbol_size)
re_offset -= (frame_parms->ofdm_symbol_size);
symbol_offset = (unsigned int)frame_parms->ofdm_symbol_size*l;
rxptr = (int16_t *)&common_vars->rxdataF[0][aa][symbol_offset];
for (i=0; i<12; i++,j+=2,re_offset++) {
rxcomp[aa][j] = (int16_t)((rxptr[re_offset<<1]*(int32_t)zptr[j])>>15) - ((rxptr[1+(re_offset<<1)]*(int32_t)zptr[1+j])>>15);
rxcomp[aa][1+j] = (int16_t)((rxptr[re_offset<<1]*(int32_t)zptr[1+j])>>15) + ((rxptr[1+(re_offset<<1)]*(int32_t)zptr[j])>>15);
if (re_offset==frame_parms->ofdm_symbol_size)
re_offset = 0;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d,%d,%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,i,re_offset,m,j,
rxptr[re_offset<<1],rxptr[1+(re_offset<<1)],
zptr[j],zptr[1+j],
rxcomp[aa][j],rxcomp[aa][1+j]);
#endif
} //re
} // symbol
} // antenna
// PUCCH Format 1
// Do cfo correction and MRC across symbols
if (fmt == pucch_format1) {
#ifdef DEBUG_PUCCH_RX
printf("Doing PUCCH detection for format 1\n");
#endif
stat_max = 0;
for (phase=0; phase<7; phase++) {
stat=0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (re=0; re<12; re++) {
stat_re=0;
stat_im=0;
off=re<<1;
cfo = (frame_parms->Ncp==0) ? &cfo_pucch_np[14*phase] : &cfo_pucch_ep[12*phase];
for (l=0; l<(nsymb>>1); l++) {
stat_re += (((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15))/nsymb;
stat_im += (((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15))/nsymb;
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d,%d) => (%d,%d) x (%d,%d) : (%d,%d) , stat %d\n",subframe,phase,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im,stat);
#endif
}
for (l2=0,l=(nsymb>>1); l<(nsymb-1); l++,l2++) {
stat_re += (((rxcomp[aa][off]*(int32_t)cfo[l2<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l2<<1)])>>15))/nsymb;
stat_im += (((rxcomp[aa][off]*(int32_t)cfo[1+(l2<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l2<<1)])>>15))/nsymb;
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d,%d) => (%d,%d) x (%d,%d) : (%d,%d), stat %d\n",subframe,phase,l2,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l2<<1],cfo[1+(l2<<1)],
stat_re,stat_im,stat);
#endif
}
stat += ((stat_re*stat_re) + (stat_im*stat_im));
} //re
} // aa
if (stat>stat_max) {
stat_max = stat;
phase_max = phase;
}
} //phase
stat_max *= nsymb; // normalize to energy per symbol
stat_max /= (frame_parms->N_RB_UL*12); //
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH: stat %d, stat_max %d, phase_max %d\n", stat,stat_max,phase_max);
#endif
#ifdef DEBUG_PUCCH_RX
LOG_I(PHY,"[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (%d, %d), phase_max : %d\n",dB_fixed(stat_max),sigma2_dB,eNB->measurements[0].n0_subband_power_tot_dBm[6],pucch1_thres,phase_max);
#endif
eNB->pucch1_stats[UE_id][(subframe<<10)+eNB->pucch1_stats_cnt[UE_id][subframe]] = stat_max;
eNB->pucch1_stats_thres[UE_id][(subframe<<10)+eNB->pucch1_stats_cnt[UE_id][subframe]] = sigma2_dB+pucch1_thres;
eNB->pucch1_stats_cnt[UE_id][subframe] = (eNB->pucch1_stats_cnt[UE_id][subframe]+1)&1023;
T(T_ENB_PHY_PUCCH_1_ENERGY, T_INT(eNB->Mod_id), T_INT(UE_id), T_INT(frame), T_INT(subframe),
T_INT(stat_max), T_INT(sigma2_dB+pucch1_thres));
/*
if (eNB->pucch1_stats_cnt[UE_id][subframe] == 0) {
write_output("pucch_debug.m","pucch_energy",
&eNB->pucch1_stats[UE_id][(subframe<<10)],
1024,1,2);
AssertFatal(0,"Exiting for PUCCH 1 debug\n");
}
*/
// This is a moving average of the PUCCH1 statistics conditioned on being above or below the threshold
if (sigma2_dB<(dB_fixed(stat_max)-pucch1_thres)) {
*payload = 1;
*Po_PUCCH1_above = ((*Po_PUCCH1_above<<9) + (stat_max<<9)+1024)>>10;
//LOG_I(PHY,"[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (%d, %d), phase_max : %d\n",dB_fixed(stat_max),sigma2_dB,eNB->PHY_measurements_eNB[0].n0_power_tot_dBm,pucch1_thres,phase_max);
}
else {
*payload = 0;
*Po_PUCCH1_below = ((*Po_PUCCH1_below<<9) + (stat_max<<9)+1024)>>10;
}
//printf("[eNB] PUCCH fmt1: stat_max : %d, sigma2_dB %d (I0 %d dBm, thres %d), Po_PUCCH1_below/above : %d / %d\n",dB_fixed(stat_max),sigma2_dB,eNB->measurements[0].n0_subband_power_tot_dBm[6],pucch1_thres,dB_fixed(*Po_PUCCH1_below),dB_fixed(*Po_PUCCH1_above));
*Po_PUCCH_update = 1;
if (UE_id==0) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_SR_ENERGY,dB_fixed(stat_max));
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_UE0_SR_THRES,sigma2_dB+pucch1_thres);
}
} else if ((fmt == pucch_format1a)||(fmt == pucch_format1b)) {
stat_max = 0;
#ifdef DEBUG_PUCCH_RX
LOG_I(PHY,"Doing PUCCH detection for format 1a/1b\n");
#endif
for (phase=3;phase<4;phase++){ //phase=0; phase<7; phase++) {
stat=0;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (re=0; re<12; re++) {
stat_re=0;
stat_im=0;
stat_ref_re=0;
stat_ref_im=0;
off=re<<1;
cfo = (frame_parms->Ncp==0) ? &cfo_pucch_np[14*phase] : &cfo_pucch_ep[12*phase];
for (l=0; l<(nsymb>>1); l++) {
if ((l<2)||(l>(nsymb>>1) - 3)) { //data symbols
stat_re += ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
stat_im += ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
} else { //reference symbols
stat_ref_re += ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
stat_ref_im += ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
}
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im);
#endif
}
for (l2=0,l=(nsymb>>1); l<(nsymb-1); l++,l2++) {
if ((l2<2) || ((l2>(nsymb>>1) - 3)) ) { // data symbols
stat_re += ((rxcomp[aa][off]*(int32_t)cfo[l2<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l2<<1)])>>15);
stat_im += ((rxcomp[aa][off]*(int32_t)cfo[1+(l2<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l2<<1)])>>15);
} else { //reference_symbols
stat_ref_re += ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
stat_ref_im += ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
}
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l2,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l2<<1],cfo[1+(l2<<1)],
stat_re,stat_im);
#endif
}
#ifdef DEBUG_PUCCH_RX
printf("aa%d re %d : phase %d : stat %d\n",aa,re,phase,stat);
#endif
stat += ((((stat_re*stat_re)) + ((stat_im*stat_im)) +
((stat_ref_re*stat_ref_re)) + ((stat_ref_im*stat_ref_im)))/nsymb);
} //re
} // aa
#ifdef DEBUG_PUCCH_RX
LOG_I(PHY,"Format 1A: phase %d : stat %d\n",phase,stat);
#endif
if (stat>stat_max) {
stat_max = stat;
phase_max = phase;
}
} //phase
stat_max/=(12); //normalize to energy per symbol and RE
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH fmt1a/b: stat_max : %d, phase_max : %d\n",stat_max,phase_max);
#endif
stat_re=0;
stat_im=0;
// printf("PUCCH1A : Po_PUCCH before %d dB (%d)\n",dB_fixed(*Po_PUCCH),*Po_PUCCH);
*Po_PUCCH = ((*Po_PUCCH>>1) + ((stat_max)>>1));
*Po_PUCCH_dBm = dB_fixed(*Po_PUCCH/frame_parms->N_RB_UL) - eNB->rx_total_gain_dB;
*Po_PUCCH_update = 1;
/*
printf("PUCCH1A : stat_max %d (%d,%d,%d) => Po_PUCCH %d\n",
dB_fixed(stat_max),
pucch1_thres+sigma2_dB,
pucch1_thres,
sigma2_dB,
dB_fixed(*Po_PUCCH));
*/
// Do detection now
if (sigma2_dB<(dB_fixed(stat_max)-pucch1_thres)) {//
*Po_PUCCH = ((*Po_PUCCH*1023) + stat_max)>>10;
chL = (nsymb>>1)-4;
for (aa=0; aa<frame_parms->nb_antennas_rx; aa++) {
for (re=0; re<12; re++) {
chest_re=0;
chest_im=0;
cfo = (frame_parms->Ncp==0) ? &cfo_pucch_np[14*phase_max] : &cfo_pucch_ep[12*phase_max];
// channel estimate for first slot
for (l=2; l<(nsymb>>1)-2; l++) {
off=(re<<1) + (24*l);
chest_re += (((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15))/chL;
chest_im += (((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15))/chL;
}
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d l %d re %d chest1 => (%d,%d)\n",subframe,l,re,
chest_re,chest_im);
#endif
for (l=0; l<2; l++) {
off=(re<<1) + (24*l);
tmp_re = ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
tmp_im = ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
stat_re += (((tmp_re*chest_re)>>15) + ((tmp_im*chest_im)>>15))/4;
stat_im += (((tmp_re*chest_im)>>15) - ((tmp_im*chest_re)>>15))/4;
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im);
#endif
}
for (l=(nsymb>>1)-2; l<(nsymb>>1); l++) {
off=(re<<1) + (24*l);
tmp_re = ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
tmp_im = ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
stat_re += (((tmp_re*chest_re)>>15) + ((tmp_im*chest_im)>>15)/4);
stat_im += (((tmp_re*chest_im)>>15) - ((tmp_im*chest_re)>>15)/4);
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im);
#endif
}
chest_re=0;
chest_im=0;
// channel estimate for second slot
for (l=2; l<(nsymb>>1)-2; l++) {
off=(re<<1) + (24*l) + (nsymb>>1)*24;
chest_re += (((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15))/chL;
chest_im += (((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15))/chL;
}
#ifdef DEBUG_PUCCH_RX
printf("[eNB] PUCCH subframe %d l %d re %d chest2 => (%d,%d)\n",subframe,l,re,
chest_re,chest_im);
#endif
for (l=0; l<2; l++) {
off=(re<<1) + (24*l) + (nsymb>>1)*24;
tmp_re = ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
tmp_im = ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
stat_re += (((tmp_re*chest_re)>>15) + ((tmp_im*chest_im)>>15))/4;
stat_im += (((tmp_re*chest_im)>>15) - ((tmp_im*chest_re)>>15))/4;
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[PHY][eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im);
#endif
}
for (l=(nsymb>>1)-2; l<(nsymb>>1)-1; l++) {
off=(re<<1) + (24*l) + (nsymb>>1)*24;
tmp_re = ((rxcomp[aa][off]*(int32_t)cfo[l<<1])>>15) - ((rxcomp[aa][1+off]*(int32_t)cfo[1+(l<<1)])>>15);
tmp_im = ((rxcomp[aa][off]*(int32_t)cfo[1+(l<<1)])>>15) + ((rxcomp[aa][1+off]*(int32_t)cfo[(l<<1)])>>15);
stat_re += (((tmp_re*chest_re)>>15) + ((tmp_im*chest_im)>>15))/4;
stat_im += (((tmp_re*chest_im)>>15) - ((tmp_im*chest_re)>>15))/4;
off+=2;
#ifdef DEBUG_PUCCH_RX
printf("[PHY][eNB] PUCCH subframe %d (%d,%d) => (%d,%d) x (%d,%d) : (%d,%d)\n",subframe,l,re,
rxcomp[aa][off],rxcomp[aa][1+off],
cfo[l<<1],cfo[1+(l<<1)],
stat_re,stat_im);
#endif
}
#ifdef DEBUG_PUCCH_RX
printf("aa%d re %d : stat %d,%d\n",aa,re,stat_re,stat_im);
#endif
} //re
} // aa
#ifdef DEBUG_PUCCH_RX
LOG_I(PHY,"PUCCH 1a/b: subframe %d : stat %d,%d (pos %d)\n",subframe,stat_re,stat_im,
(subframe<<10) + (eNB->pucch1ab_stats_cnt[UE_id][subframe]));
#endif
eNB->pucch1ab_stats[UE_id][(subframe<<11) + 2*(eNB->pucch1ab_stats_cnt[UE_id][subframe])] = (stat_re);
eNB->pucch1ab_stats[UE_id][(subframe<<11) + 1+2*(eNB->pucch1ab_stats_cnt[UE_id][subframe])] = (stat_im);
eNB->pucch1ab_stats_cnt[UE_id][subframe] = (eNB->pucch1ab_stats_cnt[UE_id][subframe]+1)&1023;
/* frame not available here - set to -1 for the moment */
T(T_ENB_PHY_PUCCH_1AB_IQ, T_INT(eNB->Mod_id), T_INT(UE_id), T_INT(-1), T_INT(subframe), T_INT(stat_re), T_INT(stat_im));
*payload = (stat_re<0) ? 1 : 0;
if (fmt==pucch_format1b)
*(1+payload) = (stat_im<0) ? 1 : 0;
} else { // insufficient energy on PUCCH so NAK
*payload = 0;
((int16_t*)&eNB->pucch1ab_stats[UE_id][(subframe<<10) + (eNB->pucch1ab_stats_cnt[UE_id][subframe])])[0] = (int16_t)(stat_re);
((int16_t*)&eNB->pucch1ab_stats[UE_id][(subframe<<10) + (eNB->pucch1ab_stats_cnt[UE_id][subframe])])[1] = (int16_t)(stat_im);
eNB->pucch1ab_stats_cnt[UE_id][subframe] = (eNB->pucch1ab_stats_cnt[UE_id][subframe]+1)&1023;
if (fmt==pucch_format1b)
*(1+payload) = 0;
}
} else {
LOG_E(PHY,"[eNB] PUCCH fmt2/2a/2b not supported\n");
}
/* PUCCH format3 >> */
} else {
/* SubCarrier Demap */
Ret = pucchfmt3_subCarrierDeMapping( eNB, SubCarrierDeMapData, n3_pucch );
if(Ret != 0) {
//***log pucchfmt3_subCarrierDeMapping Error!
return(-1);
}
/* cyclic shift hopping remove */
Ret = pucchfmt3_Baseseq_csh_remove( SubCarrierDeMapData, CshData_fmt3, frame_parms, subframe, eNB->ncs_cell );
if(Ret != 0) {
//***log pucchfmt3_Baseseq_csh_remove Error!
return(-1);
}
/* Channel Estimation */
Ret = pucchfmt3_ChannelEstimation( SubCarrierDeMapData, delta_theta, ChestValue, &Interpw, subframe, shortened_format, frame_parms, n3_pucch, n3_pucch_array, eNB->ncs_cell );
if(Ret != 0) {
//***log pucchfmt3_ChannelEstimation Error!
return(-1);
}
/* Channel Equalization */
Ret = pucchfmt3_Equalization( CshData_fmt3, ChdetAfterValue_fmt3, ChestValue, frame_parms );
if(Ret != 0) {
//***log pucchfmt3_Equalization Error!
return(-1);
}
/* Frequency deviation remove AFC */
Ret = pucchfmt3_FrqDevRemove( ChdetAfterValue_fmt3, delta_theta, RemoveFrqDev_fmt3, frame_parms );
if(Ret != 0) {
//***log pucchfmt3_FrqDevRemove Error!
return(-1);
}
/* orthogonal sequence remove */
Ret = pucchfmt3_OrthSeqRemove( RemoveFrqDev_fmt3, Fmt3xDataRmvOrth, shortened_format, n3_pucch, frame_parms );
if(Ret != 0) {
//***log pucchfmt3_OrthSeqRemove Error!
return(-1);
}
/* averaging antenna */
pucchfmt3_AvgAnt( Fmt3xDataRmvOrth, Fmt3xDataAvgAnt, shortened_format, frame_parms );
/* averaging symbol */
pucchfmt3_AvgSym( Fmt3xDataAvgAnt, Fmt3xDataAvgSym, shortened_format );
/* IDFT */
pucchfmt3_IDft2( (int16_t*)Fmt3xDataAvgSym[0], (int16_t*)IFFTOutData_Fmt3[0] );
pucchfmt3_IDft2( (int16_t*)Fmt3xDataAvgSym[1], (int16_t*)IFFTOutData_Fmt3[1] );
/* descramble */
pucchfmt3_Descramble(IFFTOutData_Fmt3, b, subframe, frame_parms->Nid_cell, crnti);
/* Is payload 6bit or 7bit? */
if( do_sr == 1 ) {
payload_max = 7;
} else {
payload_max = 6;
}
/* decode */
payload_entity = pucchfmt3_Decode( b, subframe, DTXthreshold, Interpw, do_sr );
if (payload_entity == -1) {
//***log pucchfmt3_Decode Error!
return(-1);
}
for(i=0; i<payload_max; i++) {
*(payload+i) = (uint8_t)((payload_entity>>i) & 0x01);
}
}
/* PUCCH format3 << */
return((int32_t)stat_max);
}
int32_t rx_pucch_emul(PHY_VARS_eNB *eNB,
eNB_rxtx_proc_t *proc,
uint8_t UE_index,
PUCCH_FMT_t fmt,
uint8_t n1_pucch_sel,
uint8_t *payload)
{
uint8_t UE_id;
uint16_t rnti;
int subframe = proc->subframe_rx;
uint8_t CC_id = eNB->CC_id;
rnti = eNB->ulsch[UE_index]->rnti;
for (UE_id=0; UE_id<NB_UE_INST; UE_id++) {
if (rnti == PHY_vars_UE_g[UE_id][CC_id]->pdcch_vars[subframe%RX_NB_TH][0]->crnti)
break;
}
if (UE_id==NB_UE_INST) {
LOG_W(PHY,"rx_pucch_emul: Didn't find UE with rnti %x\n",rnti);
return(-1);
}
if (fmt == pucch_format1) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->sr[subframe];
} else if (fmt == pucch_format1a) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[0];
} else if (fmt == pucch_format1b) {
payload[0] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[0];
payload[1] = PHY_vars_UE_g[UE_id][CC_id]->pucch_payload[1];
} else
LOG_E(PHY,"[eNB] Frame %d: Can't handle formats 2/2a/2b\n",proc->frame_rx);
if (PHY_vars_UE_g[UE_id][CC_id]->pucch_sel[subframe] == n1_pucch_sel)
return(99);
else
return(0);
}
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