118 lines
4.1 KiB
C
118 lines
4.1 KiB
C
/*******************************************************************************
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OpenAirInterface
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Copyright(c) 1999 - 2014 Eurecom
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OpenAirInterface is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenAirInterface is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OpenAirInterface.The full GNU General Public License is
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included in this distribution in the file called "COPYING". If not,
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see <http://www.gnu.org/licenses/>.
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Contact Information
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OpenAirInterface Admin: openair_admin@eurecom.fr
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OpenAirInterface Tech : openair_tech@eurecom.fr
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OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
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Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, 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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{
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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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//this is now done in dci_tools
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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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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->dlsch_ue[eNB_id][0]->g_pucch;
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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_I(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_tx,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->dlsch_ue[eNB_id][0]->g_pucch);
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} else {
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LOG_I(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_tx,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->dlsch_ue[eNB_id][0]->g_pucch);
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}
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return(Po_PUCCH);
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}
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