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RRU synchronization debugging

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This commit is contained in:
Raymond Knopp
2016-11-23 19:12:02 +08:00
parent 8df3f84fc4
commit 085718ae8b
3 changed files with 16 additions and 5 deletions
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targets/RT/USER/lte-enb.c
+8 -3
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@@ -756,6 +756,7 @@ void fh_if4p5_asynch_DL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
*frame = frame_tx;
*subframe = subframe_tx;
proc->first_tx = 0;
proc->frame_offset = frame_tx - proc->frame_tx;
}
else {
if (frame_tx != *frame) {
@@ -779,6 +780,7 @@ void fh_if4p5_asynch_DL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
*frame = frame_tx;
// intialize this to zero after we're done with the subframe
proc->symbol_mask[*subframe] = 0;
@@ -906,6 +908,9 @@ void rx_rf(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
}
proc->frame_rx = ((proc->timestamp_rx-eNB->ts_offset) / (fp->samples_per_tti*10))&1023;
proc->subframe_rx = ((proc->timestamp_rx-eNB->ts_offset) / fp->samples_per_tti)%10;
proc->frame_rx = (proc->frame_rx+proc->frame_offset)%1023;
proc->frame_tx = proc->frame_rx;
if (proc->subframe_rx > 5) proc->frame_tx=(proc->frame_tx+1)%1023;
// synchronize first reception to frame 0 subframe 0
proc->timestamp_tx = proc->timestamp_rx+(4*fp->samples_per_tti);
@@ -916,8 +921,8 @@ void rx_rf(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
LOG_E(PHY,"rx_rf: Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->timestamp_rx,proc->subframe_rx,*subframe);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
int f2 = *frame+proc->frame_offset;
if (proc->frame_rx != f2) {
LOG_E(PHY,"rx_rf: Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->timestamp_rx,proc->frame_rx,*frame);
exit_fun("Exiting");
}
@@ -1495,7 +1500,7 @@ static void* eNB_thread_single( void* param ) {
proc_rxtx->subframe_rx = proc->subframe_rx;
proc_rxtx->frame_rx = proc->frame_rx;
proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10;
proc_rxtx->frame_tx = (proc->subframe_rx < 6) ? proc->frame_rx : (proc->frame_rx+1)&1023;
proc_rxtx->frame_tx = proc->frame_tx;
proc_rxtx->timestamp_tx = proc->timestamp_tx;
// At this point, all information for subframe has been received on FH interface