Reset PBCH decoder after each candidate frame. Inputting MBSFN frames…

…, which is unavoidable for MBMS-dedicated cells, trips it up badly.

lib/src/phy/ue/ue_mib.c

@@ -292,6 +292,9 @@ int srsran_ue_mib_sync_decode_prb(srsran_ue_mib_sync_t* q,
 
    if (srsran_ue_sync_get_sfidx(&q->ue_sync) == 0 ) {
       if (ret == 1) {
+        // We don't know at this point if the cell is MBMS dedicated, and don't have a way
+        // to limit the decoded frames to sfn%4==0 - so reset the decoder every time
+        srsran_ue_mib_reset(&q->ue_mib);
         mib_ret = srsran_ue_mib_decode(&q->ue_mib, bch_payload, nof_tx_ports, sfn_offset);
       } else {
         DEBUG("Resetting PBCH decoder after %d frames", q->ue_mib.frame_cnt);