110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
/*******************************************************************************
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Eurecom OpenAirInterface
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Copyright(c) 1999 - 2011 Eurecom
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This program is free software; you can redistribute it and/or modify it
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under the terms and conditions of the GNU General Public License,
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version 2, as published by the Free Software Foundation.
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This program is distributed in the hope it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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The full GNU General Public License is included in this distribution in
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the file called "COPYING".
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Contact Information
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Openair Admin: openair_admin@eurecom.fr
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Openair Tech : openair_tech@eurecom.fr
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Forums : http://forums.eurecom.fsr/openairinterface
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Address : Eurecom, 2229, route des crêtes, 06560 Valbonne Sophia Antipolis, France
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*******************************************************************************/
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/*! \file pusch_pc.c
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* \brief Implementation of UE PUSCH Power Control procedures from 36.213 LTE specifications (Section
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* \author R. Knopp
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* \date 2011
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* \version 0.1
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* \company Eurecom
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* \email: knopp@eurecom.fr
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* \note
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* \warning
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*/
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#include "PHY/defs.h"
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#include "PHY/LTE_TRANSPORT/proto.h"
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#include "PHY/extern.h"
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int8_t pucch_power_cntl(PHY_VARS_UE *phy_vars_ue,uint8_t subframe,uint8_t eNB_id,PUCCH_FMT_t pucch_fmt) {
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int8_t Po_PUCCH;
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uint8_t harq_pid;
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// P_pucch = P_opucch+ PL + h(nCQI,nHARQ) + delta_pucchF(pucch_fmt) + g(i))
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//
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if ((pucch_fmt == pucch_format1a) ||
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(pucch_fmt == pucch_format1b)) { // Update g_pucch based on TPC/delta_PUCCH received in PDCCH for this process
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harq_pid = phy_vars_ue->dlsch_ue[eNB_id][0]->harq_ack[subframe].harq_id;
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phy_vars_ue->g_pucch[eNB_id] += phy_vars_ue->dlsch_ue[eNB_id][0]->harq_processes[harq_pid]->delta_PUCCH;
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}
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phy_vars_ue->g_pucch[eNB_id] = 0;
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Po_PUCCH = get_PL(phy_vars_ue->Mod_id,phy_vars_ue->CC_id,eNB_id)+
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phy_vars_ue->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH+
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phy_vars_ue->g_pucch[eNB_id];
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switch (pucch_fmt) {
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case pucch_format1:
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case pucch_format2a:
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case pucch_format2b:
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Po_PUCCH += (-2+(phy_vars_ue->lte_frame_parms.ul_power_control_config_common.deltaF_PUCCH_Format1<<1));
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break;
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case pucch_format1a:
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case pucch_format1b:
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Po_PUCCH += (1+(phy_vars_ue->lte_frame_parms.ul_power_control_config_common.deltaF_PUCCH_Format1b<<1));
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break;
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case pucch_format2:
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switch (phy_vars_ue->lte_frame_parms.ul_power_control_config_common.deltaF_PUCCH_Format2a) {
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case 0:
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Po_PUCCH -= 2;
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break;
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case 2:
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Po_PUCCH += 1;
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break;
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case 3:
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Po_PUCCH += 2;
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break;
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case 1:
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default:
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break;
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}
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break;
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}
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if (pucch_fmt!=pucch_format1) {
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LOG_D(PHY,"[UE %d][PDSCH %x] frame %d, subframe %d: Po_PUCCH %d dBm : Po_NOMINAL_PUCCH %d dBm, PL %d dB, g_pucch %d dB\n",
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phy_vars_ue->Mod_id,
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phy_vars_ue->dlsch_ue[eNB_id][0]->rnti,phy_vars_ue->frame,subframe,
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Po_PUCCH,
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phy_vars_ue->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH,
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get_PL(phy_vars_ue->Mod_id,phy_vars_ue->CC_id,eNB_id),
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phy_vars_ue->g_pucch[eNB_id]);
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}
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else {
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LOG_D(PHY,"[UE %d][SR %x] frame %d, subframe %d: Po_PUCCH %d dBm : Po_NOMINAL_PUCCH %d dBm, PL %d dB g_pucch %d dB\n",
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phy_vars_ue->Mod_id,
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phy_vars_ue->dlsch_ue[eNB_id][0]->rnti,phy_vars_ue->frame,subframe,
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Po_PUCCH,
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phy_vars_ue->lte_frame_parms.ul_power_control_config_common.p0_NominalPUCCH,
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get_PL(phy_vars_ue->Mod_id,phy_vars_ue->CC_id,eNB_id),
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phy_vars_ue->g_pucch[eNB_id]);
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}
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return(Po_PUCCH);
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}
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