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srsLTE
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allowing TA CE commands in Msg4

This commit is contained in:
yagoda 2019-12-20 12:56:17 +00:00 committed by Andre Puschmann
parent bca5d1a95a
commit 2db90c5dd3
2 changed files with 18 additions and 13 deletions
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7
srsenb/src/stack/mac/scheduler_ue.cc
View File

@ -444,9 +444,7 @@ int sched_ue::generate_format1(dl_harq_proc* h,
data->nof_pdu_elems[0]++;
conres_ce_pending = false;
Info("SCHED: Added MAC Contention Resolution CE for rnti=0x%x\n", rnti);
} else {
// Add TA CE
// TODO: Can't put it in Msg4 because current srsUE doesn't read it
}
while (nof_ta_cmd > 0 && rem_tbs > 2) {
data->pdu[0][data->nof_pdu_elems[0]].lcid = srslte::sch_subh::TA_CMD;
data->nof_pdu_elems[0]++;
@ -454,7 +452,6 @@ int sched_ue::generate_format1(dl_harq_proc* h,
nof_ta_cmd--;
rem_tbs -= 2;
}
}
do {
x = alloc_pdu(rem_tbs, &data->pdu[0][data->nof_pdu_elems[0]]);
@ -805,7 +802,7 @@ uint32_t sched_ue::get_pending_dl_new_data_unlocked()
pending_data += lch[i].buf_retx + lch[i].buf_tx;
}
}
if (not is_first_dl_tx() and nof_ta_cmd > 0) {
if (nof_ta_cmd > 0) {
pending_data += nof_ta_cmd * 2;
}
return pending_data;

12
srsue/src/stack/mac/demux.cc
View File

@ -97,12 +97,20 @@ void demux::push_pdu_temp_crnti(uint8_t* buff, uint32_t nof_bytes)
pending_mac_msg.init_rx(nof_bytes);
pending_mac_msg.parse_packet(buff);
// Look for Contention Resolution UE ID
// Look for Contention Resolution UE ID and TA commands
is_uecrid_successful = false;
while (pending_mac_msg.next() && !is_uecrid_successful) {
while (pending_mac_msg.next()) {
if (pending_mac_msg.get()->ce_type() == srslte::sch_subh::CON_RES_ID) {
Debug("Found Contention Resolution ID CE\n");
is_uecrid_successful = mac->contention_resolution_id_rcv(pending_mac_msg.get()->get_con_res_id());
} else if (pending_mac_msg.get()->ce_type() == srslte::sch_subh::TA_CMD) {
phy_h->set_timeadv(pending_mac_msg.get()->get_ta_cmd());
Info("Received TA=%d (%d/%d) \n", pending_mac_msg.get()->get_ta_cmd(),
time_alignment_timer->value(), time_alignment_timer->duration());
// Start or restart timeAlignmentTimer only if set
if (time_alignment_timer->is_set()) {
time_alignment_timer->run();
}
}
}
pending_mac_msg.reset();