112 lines
2.6 KiB
C
112 lines
2.6 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*!\brief Initilization and reconfiguration routines for LTE PHY */
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#include "phy_init.h"
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#include "PHY/phy_extern.h"
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#include "PHY/CODING/coding_extern.h"
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#include "PHY/LTE_ESTIMATION/lte_estimation.h"
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#include "PHY/LTE_REFSIG/lte_refsig.h"
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#include "PHY/LTE_TRANSPORT/transport_common_proto.h"
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void generate_64qam_table(void)
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{
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int a,b,c,index;
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for (a=-1; a<=1; a+=2)
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for (b=-1; b<=1; b+=2)
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for (c=-1; c<=1; c+=2) {
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index = (1+a)*2 + (1+b) + (1+c)/2;
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qam64_table[index] = -a*(QAM64_n1 + b*(QAM64_n2 + (c*QAM64_n3))); // 0 1 2
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}
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}
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void generate_16qam_table(void)
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{
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int a,b,index;
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for (a=-1; a<=1; a+=2)
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for (b=-1; b<=1; b+=2) {
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index = (1+a) + (1+b)/2;
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qam16_table[index] = -a*(QAM16_n1 + (b*QAM16_n2));
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}
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}
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void generate_qpsk_table(void)
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{
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int a,index;
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for (a=-1; a<=1; a+=2) {
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index = (1+a)/2;
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qpsk_table[index] = -a*QPSK;
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}
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}
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void init_lte_top(LTE_DL_FRAME_PARMS *frame_parms)
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{
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crcTableInit();
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ccodedot11_init();
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ccodedot11_init_inv();
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ccodelte_init();
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ccodelte_init_inv();
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phy_generate_viterbi_tables();
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phy_generate_viterbi_tables_lte();
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load_codinglib();
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lte_sync_time_init(frame_parms);
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generate_ul_ref_sigs();
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generate_ul_ref_sigs_rx();
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generate_64qam_table();
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generate_16qam_table();
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generate_qpsk_table();
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generate_RIV_tables();
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init_unscrambling_lut();
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init_scrambling_lut();
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//set_taus_seed(1328);
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}
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void free_lte_top(void)
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{
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free_codinglib();
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lte_sync_time_free();
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/* free_ul_ref_sigs() is called in phy_free_lte_eNB() */
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}
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/*
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* @}*/
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