Cedric Roux
7a724e7d2e
Conflicts: openair1/PHY/INIT/lte_init.c openair1/PHY/LTE_TRANSPORT/dci_tools.c openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c openair1/SCHED/phy_procedures_lte_eNb.c openair1/SCHED/phy_procedures_lte_ue.c openair1/SIMULATION/LTE_PHY/dlsim.c openair1/SIMULATION/RF/adc.c openair2/LAYER2/MAC/lte_transport_init.c targets/RT/USER/lte-softmodem.c targets/RT/USER/sched_dlsch.c targets/RT/USER/sched_rx_pdsch.c targets/RT/USER/sched_ulsch.c targets/SIMU/USER/oaisim.c
56 lines
1.7 KiB
C
56 lines
1.7 KiB
C
#include "PHY/types.h"
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#include "PHY/defs.h"
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#include "PHY/extern.h"
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void
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phy_adjust_gain (PHY_VARS_UE *ue, uint32_t rx_power_fil_dB, uint8_t eNB_id)
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{
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LOG_D(PHY,"Gain control: rssi %d (%d,%d)\n",
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rx_power_fil_dB,
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ue->measurements.rssi,
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ue->measurements.rx_power_avg_dB[eNB_id]
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);
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// Gain control with hysterisis
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// Adjust gain in ue->rx_vars[0].rx_total_gain_dB
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if (rx_power_fil_dB < TARGET_RX_POWER - 5) //&& (ue->rx_total_gain_dB < MAX_RF_GAIN) )
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ue->rx_total_gain_dB+=5;
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else if (rx_power_fil_dB > TARGET_RX_POWER + 5) //&& (ue->rx_total_gain_dB > MIN_RF_GAIN) )
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ue->rx_total_gain_dB-=5;
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if (ue->rx_total_gain_dB>MAX_RF_GAIN) {
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/*
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if ((openair_daq_vars.rx_rf_mode==0) && (openair_daq_vars.mode == openair_NOT_SYNCHED)) {
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openair_daq_vars.rx_rf_mode=1;
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ue->rx_total_gain_dB = max(MIN_RF_GAIN,MAX_RF_GAIN-25);
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}
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else {
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*/
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ue->rx_total_gain_dB = MAX_RF_GAIN;
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} else if (ue->rx_total_gain_dB<MIN_RF_GAIN) {
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/*
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if ((openair_daq_vars.rx_rf_mode==1) && (openair_daq_vars.mode == openair_NOT_SYNCHED)) {
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openair_daq_vars.rx_rf_mode=0;
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ue->rx_total_gain_dB = min(MAX_RF_GAIN,MIN_RF_GAIN+25);
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}
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else {
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*/
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ue->rx_total_gain_dB = MIN_RF_GAIN;
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}
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LOG_D(PHY,"Gain control: rx_total_gain_dB = %d (max %d,rxpf %d)\n",ue->rx_total_gain_dB,MAX_RF_GAIN,rx_power_fil_dB);
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#ifdef DEBUG_PHY
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/* if ((ue->frame%100==0) || (ue->frame < 10))
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msg("[PHY][ADJUST_GAIN] frame %d, rx_power = %d, rx_power_fil = %d, rx_power_fil_dB = %d, coef=%d, ncoef=%d, rx_total_gain_dB = %d (%d,%d,%d)\n",
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ue->frame,rx_power,rx_power_fil,rx_power_fil_dB,coef,ncoef,ue->rx_total_gain_dB,
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TARGET_RX_POWER,MAX_RF_GAIN,MIN_RF_GAIN);
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*/
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#endif //DEBUG_PHY
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}
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