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Merge remote-tracking branch 'origin/develop' into NR_UE_reworking_UCI_procedures

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This commit is contained in:
francescomani
2021-07-21 17:49:33 +02:00
parent d9d4e80743 59f4cfd92a
commit 227529c129
42 changed files with 965 additions and 1460 deletions
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targets/ARCH/rfsimulator/simulator.c
+9 -4
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@@ -618,8 +618,8 @@ static bool flushInput(rfsimulator_state_t *t, int timeout, int nsamps_for_initi
}
static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimestamp, void **samplesVoid, int nsamps, int nbAnt) {
if (nbAnt != 1) {
LOG_W(HW, "rfsimulator: only 1 antenna tested\n");
if (nbAnt > 4) {
LOG_W(HW, "rfsimulator: only 4 antenna tested\n");
}
rfsimulator_state_t *t = device->priv;
@@ -736,14 +736,19 @@ static int rfsimulator_read(openair0_device *device, openair0_timestamp *ptimest
CirSize
);
else { // no channel modeling
double H_awgn_mimo[4][4] ={{1.0, 0.5, 0.25, 0.125},//rx 0
{0.5, 1.0, 0.5, 0.25}, //rx 1
{0.25, 0.5, 1.0, 0.5}, //rx 2
{0.125, 0.25, 0.5, 1.0}};//rx 3
sample_t *out=(sample_t *)samplesVoid[a];
int nbAnt_tx = ptr->th.nbAnt;//number of Tx antennas
//LOG_I(HW, "nbAnt_tx %d\n",nbAnt_tx);
for (int i=0; i < nsamps; i++) {//loop over nsamps
for (int a_tx=0; a_tx<nbAnt_tx; a_tx++) { //sum up signals from nbAnt_tx antennas
out[i].r+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].r;
out[i].i+=ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].i;
out[i].r += (short)(ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].r*H_awgn_mimo[a][a_tx]);
out[i].i += (short)(ptr->circularBuf[((t->nextTimestamp+i)*nbAnt_tx+a_tx)%CirSize].i*H_awgn_mimo[a][a_tx]);
} // end for a_tx
} // end for i (number of samps)
} // end of no channel modeling