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5c23af773abaebf8425b45f745e3c8efd6a6e4a9
openairinterface5g/openair2/LAYER2/MAC/eNB_scheduler_bch.c
T
Bi-Ruei, Chiu 5c23af773a Compare version number using MAKE_VERSION macro to provide better SW configuration: 
1. Previous SW configuration for different RRC version relies on whether macro Rel10,
   Rel14 defined or not by checking #ifdef Rel14 or #if defined(Rel10) || defined(R14).
   Whenever there is a newer RRC version, e.g. Rel15, it will be very a tedious and
   error-prone job to add defined(Rel15) in every place.

2. Some RRC messages are defined in release 13 instead of release 14, NB-IoT
   feature is one of such example. Our code shall reflect this fact instead of using
   an afterward version number in software configuration.

3. Some RRC messages or some fields of certain RRC messages are added in the middle
   a release, e.g. SystemInformationBlockType1_v1310_IEs_t defined in RRC 13.1.0
   and RRC 9.2.0 made some changes to SIB12 and SIB13 so we have sib12_v920 and
   sib13_v920 fields in SIB12 and SIB13's struct.
   We need a finer grain of control when using ASN1 from different RRC version.

4. S1AP also has this problem that it use UPDATE_RELEASE_9 and UPDATE_RELEASE_10 to
   differentiate between various S1AP version.

This commit propose using MAKE_VERSION(x,y,z) to designate the version number and
modify current conditional compilation accordingly.

Note: 2018/04/16, Modified based on Cedric's comment.
2018-04-16 12:32:29 +02:00

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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file eNB_scheduler_bch.c
* \brief procedures related to eNB for the BCH transport channel
* \author Navid Nikaein and Raymond Knopp
* \date 2010 - 2014
* \email: navid.nikaein@eurecom.fr
* \version 1.0
* @ingroup _mac
*/
#include "assertions.h"
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "SCHED/defs.h"
#include "SCHED/extern.h"
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/proto.h"
#include "LAYER2/MAC/extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "OCG.h"
#include "OCG_extern.h"
#include "RRC/LITE/extern.h"
#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
//#include "LAYER2/MAC/pre_processor.c"
#include "pdcp.h"
#if defined(ENABLE_ITTI)
#include "intertask_interface.h"
#endif
#define ENABLE_MAC_PAYLOAD_DEBUG
#define DEBUG_eNB_SCHEDULER 1
// NEED TO ADD schedule_SI_BR for SIB1_BR and SIB23_BR
// CCE_allocation_infeasible to be done for EPDCCH/MPDCCH
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
#define size_Sj25 2
int Sj25[size_Sj25] = { 0, 3 };
#define size_Sj50 6
int Sj50[size_Sj50] = { 0, 1, 2, 5, 6, 7 };
#define size_Sj75 10
int Sj75[size_Sj75] = { 0, 1, 2, 3, 4, 7, 8, 9, 10, 11 };
#define size_Sj100 14
int Sj100[size_Sj100] = { 0, 1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 14, 15 };
int SIB1_BR_TBS_table[6] = { 208, 256, 328, 504, 712, 936 };
//------------------------------------------------------------------------------
void
schedule_SIB1_BR(module_id_t module_idP,
frame_t frameP, sub_frame_t subframeP)
//------------------------------------------------------------------------------
{
int8_t bcch_sdu_length;
int CC_id;
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc;
uint8_t *vrb_map;
int first_rb = -1;
int N_RB_DL;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req;
nfapi_dl_config_request_body_t *dl_req;
int m, i, N_S_NB;
int *Sj;
int n_NB = 0;
int TBS;
int k = 0, rvidx;
uint16_t sfn_sf = frameP<<4|subframeP;
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
cc = &eNB->common_channels[CC_id];
vrb_map = (void *) &cc->vrb_map;
N_RB_DL = to_prb(cc->mib->message.dl_Bandwidth);
dl_req = &eNB->DL_req[CC_id].dl_config_request_body;
int foffset = cc->physCellId & 1;
int sfoffset = (cc->tdd_Config == NULL) ? 0 : 1;
// Time-domain scheduling
if (cc->mib->message.schedulingInfoSIB1_BR_r13 == 0)
continue;
else
switch ((cc->mib->message.schedulingInfoSIB1_BR_r13 - 1) % 3) {
case 0: // repetition 4
k = (frameP >> 1) & 3;
if ((subframeP != (4 + sfoffset))
|| ((frameP & 1) != foffset))
continue;
break;
case 1: // repetition 8
k = frameP & 3;
AssertFatal(N_RB_DL > 15,
"SIB1-BR repetition 8 not allowed for N_RB_DL= %d\n",
N_RB_DL);
if ((foffset == 0) && (subframeP != (4 + sfoffset)))
continue;
else if ((foffset == 1)
&& (subframeP != ((9 + sfoffset) % 10)))
continue;
break;
case 2: // repetition 16
k = ((10 * frameP) + subframeP) & 3;
AssertFatal(N_RB_DL > 15,
"SIB1-BR repetition 16 not allowed for N_RB_DL= %d\n",
N_RB_DL);
if ((sfoffset == 1)
&& ((subframeP != 0) || (subframeP != 5)))
continue;
else if ((sfoffset == 0) && (foffset == 0)
&& (subframeP != 4) && (subframeP != 9))
continue;
else if ((sfoffset == 0) && (foffset == 1)
&& (subframeP != 0) && (subframeP != 9))
continue;
break;
}
// if we get here we have to schedule SIB1_BR in this frame/subframe
// keep counter of SIB1_BR repetitions in 8 frame period to choose narrowband on which to transmit
if ((frameP & 7) == 0)
cc->SIB1_BR_cnt = 0;
else
cc->SIB1_BR_cnt++;
// Frequency-domain scheduling
switch (N_RB_DL) {
case 6:
case 15:
default:
m = 1;
n_NB = 0;
N_S_NB = 0;
Sj = NULL;
break;
case 25:
m = 2;
N_S_NB = 2;
Sj = Sj25;
break;
case 50:
m = 2;
N_S_NB = 6;
Sj = Sj50;
break;
case 75:
m = 4;
N_S_NB = 10;
Sj = Sj75;
break;
case 100:
m = 4;
N_S_NB = 14;
Sj = Sj100;
break;
}
// Note: definition of k above and rvidx from 36.321 section 5.3.1
rvidx = (((3 * k) >> 1) + (k & 1)) & 3;
i = cc->SIB1_BR_cnt & (m - 1);
n_NB = Sj[((cc->physCellId % N_S_NB) + (i * N_S_NB / m)) % N_S_NB];
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SIB1_BR, 1, &cc->BCCH_BR_pdu[0].payload[0], 0); // not used in this case
AssertFatal(cc->mib->message.schedulingInfoSIB1_BR_r13 < 19,
"schedulingInfoSIB1_BR_r13 %d > 18\n",
(int) cc->mib->message.schedulingInfoSIB1_BR_r13);
AssertFatal(bcch_sdu_length > 0,
"RRC returned 0 bytes for SIB1-BR\n");
TBS =
SIB1_BR_TBS_table[(cc->mib->message.schedulingInfoSIB1_BR_r13 -
1) / 3] >> 3;
AssertFatal(bcch_sdu_length <= TBS,
"length returned by RRC %d is not compatible with the TBS %d from MIB\n",
bcch_sdu_length, TBS);
if ((frameP & 1023) < 200)
LOG_D(MAC,
"[eNB %d] Frame %d Subframe %d: SIB1_BR->DLSCH CC_id %d, Received %d bytes, scheduling on NB %d (i %d,m %d,N_S_NB %d) rvidx %d\n",
module_idP, frameP, subframeP, CC_id, bcch_sdu_length,
n_NB, i, m, N_S_NB, rvidx);
// allocate all 6 PRBs in narrowband for SIB1_BR
first_rb = narrowband_to_first_rb(cc, n_NB);
vrb_map[first_rb] = 1;
vrb_map[first_rb + 1] = 1;
vrb_map[first_rb + 2] = 1;
vrb_map[first_rb + 3] = 1;
vrb_map[first_rb + 4] = 1;
vrb_map[first_rb + 5] = 1;
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void *) dl_config_pdu, 0,
sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dlsch_pdu));
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL8_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.length = TBS;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = eNB->pdu_index[CC_id];
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = 0xFFFF;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2; // format 1A/1B/1D
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = 0; // localized
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = getRIV(N_RB_DL, first_rb, 6);
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.modulation = 2; //QPSK
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = rvidx;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_blocks = 1; // first block
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_block_to_codeword_swap_flag = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_scheme = (cc->p_eNB == 1) ? 0 : 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_layers = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_subbands = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.codebook_index = ;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ue_category_capacity = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = 4; // 0 dB
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.delta_power_offset_index = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize(cc->mib->message.dl_Bandwidth); // ignored
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc->p_eNB == 1) ? 1 : 2;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_prb_per_subband = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1;
// Rel10 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL10_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = 3;
// Rel13 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL13_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = 1; // CEModeA UE
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 0; // SIB1-BR
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = 0xFFFF; // absolute SFx
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ;
dl_req->number_pdu++;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
// Program TX Request
TX_req = &eNB->TX_req[CC_id].tx_request_body.tx_pdu_list[eNB->TX_req[CC_id].tx_request_body.number_of_pdus];
TX_req->pdu_length = bcch_sdu_length;
TX_req->pdu_index = eNB->pdu_index[CC_id]++;
TX_req->num_segments = 1;
TX_req->segments[0].segment_length = bcch_sdu_length;
TX_req->segments[0].segment_data = cc->BCCH_BR_pdu[0].payload;
eNB->TX_req[CC_id].sfn_sf = sfn_sf;
eNB->TX_req[CC_id].tx_request_body.tl.tag = NFAPI_TX_REQUEST_BODY_TAG;
eNB->TX_req[CC_id].tx_request_body.number_of_pdus++;
eNB->TX_req[CC_id].header.message_id = NFAPI_TX_REQUEST;
if (opt_enabled == 1) {
trace_pdu(1,
&cc->BCCH_BR_pdu[0].payload[0],
bcch_sdu_length,
0xffff, 4, 0xffff, eNB->frame, eNB->subframe, 0, 0);
LOG_D(OPT,
"[eNB %d][BCH] Frame %d trace pdu for CC_id %d rnti %x with size %d\n",
module_idP, frameP, CC_id, 0xffff, bcch_sdu_length);
}
if (cc->tdd_Config != NULL) { //TDD
LOG_D(MAC,
"[eNB] Frame %d : Scheduling BCCH-BR 0->DLSCH (TDD) for CC_id %d SIB1-BR %d bytes\n",
frameP, CC_id, bcch_sdu_length);
} else {
LOG_D(MAC,
"[eNB] Frame %d : Scheduling BCCH-BR 0->DLSCH (FDD) for CC_id %d SIB1-BR %d bytes\n",
frameP, CC_id, bcch_sdu_length);
}
}
}
int si_WindowLength_BR_r13tab[SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_WindowLength_BR_r13_spare] = { 20, 40, 60, 80, 120, 160, 200 };
int si_TBS_r13tab[SchedulingInfo_BR_r13__si_TBS_r13_b936 + 1] = { 152, 208, 256, 328, 408, 504, 600, 712, 808, 936 };
//------------------------------------------------------------------------------
void
schedule_SI_BR(module_id_t module_idP, frame_t frameP,
sub_frame_t subframeP)
//------------------------------------------------------------------------------
{
int8_t bcch_sdu_length;
int CC_id;
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc;
uint8_t *vrb_map;
int first_rb = -1;
int N_RB_DL;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req;
nfapi_dl_config_request_body_t *dl_req;
int i;
int rvidx;
int absSF = (frameP * 10) + subframeP;
uint16_t sfn_sf = frameP << 4 | subframeP;
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
cc = &eNB->common_channels[CC_id];
vrb_map = (void *) &cc->vrb_map;
N_RB_DL = to_prb(cc->mib->message.dl_Bandwidth);
dl_req = &eNB->DL_req[CC_id].dl_config_request_body;
// Time-domain scheduling
if (cc->mib->message.schedulingInfoSIB1_BR_r13 == 0)
continue;
else {
AssertFatal(cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13 != NULL,
"sib_v13ext->bandwidthReducedAccessRelatedInfo_r13 is null\n");
SchedulingInfoList_BR_r13_t *schedulingInfoList_BR_r13 = cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->schedulingInfoList_BR_r13;
AssertFatal(schedulingInfoList_BR_r13 != NULL,
"sib_v13ext->schedulingInfoList_BR_r13 is null\n");
SchedulingInfoList_t *schedulingInfoList = cc->schedulingInfoList;
AssertFatal(schedulingInfoList_BR_r13->list.count == schedulingInfoList->list.count,
"schedulingInfolist_BR.r13->list.count %d != schedulingInfoList.list.count %d\n",
schedulingInfoList_BR_r13->list.count,
schedulingInfoList->list.count);
AssertFatal(cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->si_WindowLength_BR_r13<=SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_WindowLength_BR_r13_ms200,
"si_WindowLength_BR_r13 %d > %d\n",
(int) cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->si_WindowLength_BR_r13,
SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_WindowLength_BR_r13_ms200);
// check that SI frequency-hopping is disabled
AssertFatal(cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->si_HoppingConfigCommon_r13 == SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_HoppingConfigCommon_r13_off,
"Deactivate SI_HoppingConfigCommon_r13 in configuration file, not supported for now\n");
long si_WindowLength_BR_r13 = si_WindowLength_BR_r13tab[cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->si_WindowLength_BR_r13];
long si_RepetitionPattern_r13 = cc->sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->si_RepetitionPattern_r13;
AssertFatal(si_RepetitionPattern_r13<=SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_RepetitionPattern_r13_every8thRF,
"si_RepetitionPattern_r13 %d > %d\n",
(int) si_RepetitionPattern_r13,
SystemInformationBlockType1_v1310_IEs__bandwidthReducedAccessRelatedInfo_r13__si_RepetitionPattern_r13_every8thRF);
// cycle through SIB list
for (i = 0; i < schedulingInfoList_BR_r13->list.count; i++) {
long si_Periodicity = schedulingInfoList->list.array[i]->si_Periodicity;
long si_Narrowband_r13 = schedulingInfoList_BR_r13->list.array[i]->si_Narrowband_r13;
long si_TBS_r13 = si_TBS_r13tab[schedulingInfoList_BR_r13->list.array[i]->si_TBS_r13];
// check if the SI is to be scheduled now
int period_in_sf = 80 << si_Periodicity; // 2^i * 80 subframes, note: si_Periodicity is 2^i * 80ms
int sf_mod_period = absSF % period_in_sf;
int k = sf_mod_period & 3;
// Note: definition of k and rvidx from 36.321 section 5.3.1
rvidx = (((3 * k) >> 1) + (k & 1)) & 3;
if ((sf_mod_period < si_WindowLength_BR_r13)
&& ((frameP & (((1 << si_RepetitionPattern_r13) - 1))) == 0)) { // this SIB is to be scheduled
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH_SI_BR + i, 1, &cc->BCCH_BR_pdu[i + 1].payload[0], 0); // not used in this case
AssertFatal(bcch_sdu_length > 0,
"RRC returned 0 bytes for SI-BR %d\n", i);
if (bcch_sdu_length > 0) {
AssertFatal(bcch_sdu_length <= (si_TBS_r13 >> 3),
"RRC provided bcch with length %d > %d (si_TBS_r13 %d)\n",
bcch_sdu_length,
(int) (si_TBS_r13 >> 3),
(int) schedulingInfoList_BR_r13->list.array[i]->si_TBS_r13);
// allocate all 6 PRBs in narrowband for SIB1_BR
// check that SIB1 didn't take this narrowband
if (vrb_map[first_rb] > 0) continue;
first_rb = narrowband_to_first_rb(cc,si_Narrowband_r13 - 1);
vrb_map[first_rb] = 1;
vrb_map[first_rb + 1] = 1;
vrb_map[first_rb + 2] = 1;
vrb_map[first_rb + 4] = 1;
vrb_map[first_rb + 5] = 1;
if ((frameP & 1023) < 200)
LOG_D(MAC,
"[eNB %d] Frame %d Subframe %d: SI_BR->DLSCH CC_id %d, Narrowband %d rvidx %d (sf_mod_period %d : si_WindowLength_BR_r13 %d : si_RepetitionPattern_r13 %d) bcch_sdu_length %d\n",
module_idP, frameP, subframeP, CC_id,
(int) si_Narrowband_r13 - 1, rvidx,
sf_mod_period,
(int) si_WindowLength_BR_r13,
(int) si_RepetitionPattern_r13,
bcch_sdu_length);
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void *) dl_config_pdu, 0, sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dlsch_pdu));
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL8_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.length = si_TBS_r13 >> 3;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = eNB->pdu_index[CC_id];
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = 0xFFFF;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2; // format 1A/1B/1D
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = 0; // localized
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = getRIV(N_RB_DL, first_rb, 6);
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.modulation = 2; //QPSK
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = rvidx;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_blocks = 1; // first block
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_block_to_codeword_swap_flag = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_scheme = (cc->p_eNB == 1) ? 0 : 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_layers = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_subbands = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.codebook_index = ;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ue_category_capacity = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = 4; // 0 dB
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.delta_power_offset_index = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize(cc->mib->message.dl_Bandwidth); // ignored
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc->p_eNB == 1) ? 1 : 2;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_prb_per_subband = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1;
// Rel10 fields (for PDSCH starting symbol)
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL10_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = cc[CC_id].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->startSymbolBR_r13;
// Rel13 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL13_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = 1; // CEModeA UE
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 1; // SI-BR
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = absSF - sf_mod_period;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ;
dl_req->number_pdu++;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
// Program TX Request
TX_req = &eNB->TX_req[CC_id].tx_request_body.tx_pdu_list[eNB->TX_req[CC_id].tx_request_body.number_of_pdus];
TX_req->pdu_length = bcch_sdu_length;
TX_req->pdu_index = eNB->pdu_index[CC_id]++;
TX_req->num_segments = 1;
TX_req->segments[0].segment_length = bcch_sdu_length;
TX_req->segments[0].segment_data = cc->BCCH_BR_pdu[i + 1].payload;
eNB->TX_req[CC_id].tx_request_body.number_of_pdus++;
eNB->TX_req[CC_id].sfn_sf = sfn_sf;
eNB->TX_req[CC_id].tx_request_body.tl.tag = NFAPI_TX_REQUEST_BODY_TAG;
eNB->TX_req[CC_id].header.message_id = NFAPI_TX_REQUEST;
if (opt_enabled == 1) {
trace_pdu(1,
&cc->BCCH_BR_pdu[i + 1].payload[0],
bcch_sdu_length,
0xffff,
4,
0xffff, eNB->frame, eNB->subframe, 0,
0);
LOG_D(OPT,
"[eNB %d][BCH] Frame %d trace pdu for CC_id %d rnti %x with size %d\n",
module_idP, frameP, CC_id, 0xffff,
bcch_sdu_length);
}
if (cc->tdd_Config != NULL) { //TDD
LOG_D(MAC,
"[eNB] Frame %d : Scheduling BCCH-BR %d->DLSCH (TDD) for CC_id %d SI-BR %d bytes\n",
frameP, i, CC_id, bcch_sdu_length);
} else {
LOG_D(MAC,
"[eNB] Frame %d : Scheduling BCCH-BR %d->DLSCH (FDD) for CC_id %d SI-BR %d bytes\n",
frameP, i, CC_id, bcch_sdu_length);
}
}
} // scheduling in current frame/subframe
} //for SI List
} // eMTC is activated
} // CC_id
return;
}
#endif
void
schedule_mib(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
{
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req;
int mib_sdu_length;
int CC_id;
nfapi_dl_config_request_t *dl_config_request;
nfapi_dl_config_request_body_t *dl_req;
uint16_t sfn_sf = frameP << 4 | subframeP;
AssertFatal(subframeP == 0, "Subframe must be 0\n");
AssertFatal((frameP & 3) == 0, "Frame must be a multiple of 4\n");
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
dl_config_request = &eNB->DL_req[CC_id];
dl_req = &dl_config_request->dl_config_request_body;
cc = &eNB->common_channels[CC_id];
mib_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, MIBCH, 1, &cc->MIB_pdu.payload[0], 0); // not used in this case
LOG_D(MAC, "Frame %d, subframe %d: BCH PDU length %d\n", frameP, subframeP, mib_sdu_length);
if (mib_sdu_length > 0) {
LOG_D(MAC, "Frame %d, subframe %d: Adding BCH PDU in position %d (length %d)\n", frameP, subframeP, dl_req->number_pdu, mib_sdu_length);
if ((frameP & 1023) < 40)
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
LOG_D(MAC,
"[eNB %d] Frame %d : MIB->BCH CC_id %d, Received %d bytes (cc->mib->message.schedulingInfoSIB1_BR_r13 %d)\n",
module_idP, frameP, CC_id, mib_sdu_length,
(int) cc->mib->message.schedulingInfoSIB1_BR_r13);
#else
LOG_D(MAC,
"[eNB %d] Frame %d : MIB->BCH CC_id %d, Received %d bytes\n",
module_idP, frameP, CC_id, mib_sdu_length);
#endif
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void *) dl_config_pdu, 0,
sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_BCH_PDU_TYPE, dl_config_pdu->pdu_size =
2 + sizeof(nfapi_dl_config_bch_pdu);
dl_config_pdu->bch_pdu.bch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_BCH_PDU_REL8_TAG;
dl_config_pdu->bch_pdu.bch_pdu_rel8.length = mib_sdu_length;
dl_config_pdu->bch_pdu.bch_pdu_rel8.pdu_index = eNB->pdu_index[CC_id];
dl_config_pdu->bch_pdu.bch_pdu_rel8.transmission_power = 6000;
dl_req->tl.tag = NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
dl_req->number_pdu++;
dl_config_request->header.message_id = NFAPI_DL_CONFIG_REQUEST;
dl_config_request->sfn_sf = sfn_sf;
LOG_D(MAC, "eNB->DL_req[0].number_pdu %d (%p)\n", dl_req->number_pdu, &dl_req->number_pdu);
// DL request
TX_req = &eNB->TX_req[CC_id].tx_request_body.tx_pdu_list[eNB->TX_req[CC_id].tx_request_body.number_of_pdus];
TX_req->pdu_length = 3;
TX_req->pdu_index = eNB->pdu_index[CC_id]++;
TX_req->num_segments = 1;
TX_req->segments[0].segment_length = 3;
TX_req->segments[0].segment_data = cc[CC_id].MIB_pdu.payload;
eNB->TX_req[CC_id].tx_request_body.number_of_pdus++;
eNB->TX_req[CC_id].sfn_sf = sfn_sf;
eNB->TX_req[CC_id].tx_request_body.tl.tag = NFAPI_TX_REQUEST_BODY_TAG;
eNB->TX_req[CC_id].header.message_id = NFAPI_TX_REQUEST;
}
}
}
//------------------------------------------------------------------------------
void
schedule_SI(module_id_t module_idP, frame_t frameP, sub_frame_t subframeP)
//------------------------------------------------------------------------------
{
int8_t bcch_sdu_length;
int mcs = -1;
int CC_id;
eNB_MAC_INST *eNB = RC.mac[module_idP];
COMMON_channels_t *cc;
uint8_t *vrb_map;
int first_rb = -1;
int N_RB_DL;
nfapi_dl_config_request_t *dl_config_request;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req;
nfapi_dl_config_request_body_t *dl_req;
uint16_t sfn_sf = frameP << 4 | subframeP;
start_meas(&eNB->schedule_si);
// Only schedule LTE System Information in subframe 5
if (subframeP == 5) {
for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
cc = &eNB->common_channels[CC_id];
vrb_map = (void *) &cc->vrb_map;
N_RB_DL = to_prb(cc->mib->message.dl_Bandwidth);
dl_config_request = &eNB->DL_req[CC_id];
dl_req = &eNB->DL_req[CC_id].dl_config_request_body;
bcch_sdu_length = mac_rrc_data_req(module_idP, CC_id, frameP, BCCH, 1, &cc->BCCH_pdu.payload[0], 0); // not used in this case
if (bcch_sdu_length > 0) {
LOG_D(MAC, "[eNB %d] Frame %d : BCCH->DLSCH CC_id %d, Received %d bytes \n", module_idP, frameP, CC_id, bcch_sdu_length);
// Allocate 4 PRBs in a random location
/*
while (1) {
first_rb = (unsigned char)(taus()%(PHY_vars_eNB_g[module_idP][CC_id]->frame_parms.N_RB_DL-4));
if ((vrb_map[first_rb] != 1) &&
(vrb_map[first_rb+1] != 1) &&
(vrb_map[first_rb+2] != 1) &&
(vrb_map[first_rb+3] != 1))
break;
}
*/
switch (N_RB_DL) {
case 6:
first_rb = 0;
break;
case 15:
first_rb = 6;
break;
case 25:
first_rb = 11;
break;
case 50:
first_rb = 23;
break;
case 100:
first_rb = 48;
break;
}
vrb_map[first_rb] = 1;
vrb_map[first_rb + 1] = 1;
vrb_map[first_rb + 2] = 1;
vrb_map[first_rb + 3] = 1;
// Get MCS for length of SI, 3 PRBs
if (bcch_sdu_length <= 7) {
mcs = 0;
} else if (bcch_sdu_length <= 11) {
mcs = 1;
} else if (bcch_sdu_length <= 18) {
mcs = 2;
} else if (bcch_sdu_length <= 22) {
mcs = 3;
} else if (bcch_sdu_length <= 26) {
mcs = 4;
} else if (bcch_sdu_length <= 28) {
mcs = 5;
} else if (bcch_sdu_length <= 32) {
mcs = 6;
} else if (bcch_sdu_length <= 41) {
mcs = 7;
} else if (bcch_sdu_length <= 49) {
mcs = 8;
}
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void *) dl_config_pdu, 0,
sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dci_dl_pdu));
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DCI_DL_PDU_REL8_TAG;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.dci_format = NFAPI_DL_DCI_FORMAT_1A;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level = 4;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti = 0xFFFF;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type = 2; // S-RNTI : see Table 4-10 from SCF082 - nFAPI specifications
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.transmission_power = 6000; // equal to RS power
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.harq_process = 0;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.tpc = 1; // no TPC
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.new_data_indicator_1 = 0;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.mcs_1 = mcs;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.redundancy_version_1 = 0;
dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.resource_block_coding = getRIV(N_RB_DL, first_rb, 4);
dl_config_request->sfn_sf = sfn_sf;
if (!CCE_allocation_infeasible(module_idP, CC_id, 0, subframeP,dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.aggregation_level, SI_RNTI)) {
LOG_D(MAC, "Frame %d: Subframe %d : Adding common DCI for S_RNTI\n", frameP, subframeP);
dl_req->number_dci++;
dl_req->number_pdu++;
dl_config_pdu = &dl_req->dl_config_pdu_list[dl_req->number_pdu];
memset((void *) dl_config_pdu, 0,
sizeof(nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof(nfapi_dl_config_dlsch_pdu));
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = eNB->pdu_index[CC_id];
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL8_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.length = bcch_sdu_length;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = 0xFFFF;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2; // format 1A/1B/1D
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = 0; // localized
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_block_coding = getRIV(N_RB_DL, first_rb, 4);
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.modulation = 2; //QPSK
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_blocks = 1; // first block
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transport_block_to_codeword_swap_flag = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_scheme = (cc->p_eNB == 1) ? 0 : 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_layers = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.number_of_subbands = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.codebook_index = ;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ue_category_capacity = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = 4; // 0 dB
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.delta_power_offset_index = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize(cc->mib->message.dl_Bandwidth); // ignored
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc->p_eNB == 1) ? 1 : 2;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_prb_per_subband = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ;
dl_req->number_pdu++;
// Rel10 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL10_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = 3;
// Rel13 fields
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.tl.tag = NFAPI_DL_CONFIG_REQUEST_DLSCH_PDU_REL13_TAG;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = 0; // regular UE
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 2; // not BR
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = 0xFFFF; // absolute SF
dl_config_request->header.message_id = NFAPI_DL_CONFIG_REQUEST;
dl_config_request->sfn_sf = sfn_sf;
// Program TX Request
TX_req = &eNB->TX_req[CC_id].tx_request_body.tx_pdu_list[eNB->TX_req[CC_id].tx_request_body.number_of_pdus];
TX_req->pdu_length = bcch_sdu_length;
TX_req->pdu_index = eNB->pdu_index[CC_id]++;
TX_req->num_segments = 1;
TX_req->segments[0].segment_length = bcch_sdu_length;
TX_req->segments[0].segment_data = cc->BCCH_pdu.payload;
eNB->TX_req[CC_id].tx_request_body.number_of_pdus++;
eNB->TX_req[CC_id].sfn_sf = sfn_sf;
eNB->TX_req[CC_id].tx_request_body.tl.tag = NFAPI_TX_REQUEST_BODY_TAG;
eNB->TX_req[CC_id].header.message_id = NFAPI_TX_REQUEST;
} else {
LOG_E(MAC,
"[eNB %d] CCid %d Frame %d, subframe %d : Cannot add DCI 1A for SI\n",
module_idP, CC_id, frameP, subframeP);
}
if (opt_enabled == 1) {
trace_pdu(1,
&cc->BCCH_pdu.payload[0],
bcch_sdu_length,
0xffff,
4, 0xffff, eNB->frame, eNB->subframe, 0, 0);
LOG_D(OPT,
"[eNB %d][BCH] Frame %d trace pdu for CC_id %d rnti %x with size %d\n",
module_idP, frameP, CC_id, 0xffff,
bcch_sdu_length);
}
if (cc->tdd_Config != NULL) { //TDD
LOG_D(MAC,
"[eNB] Frame %d : Scheduling BCCH->DLSCH (TDD) for CC_id %d SI %d bytes (mcs %d, rb 3)\n",
frameP, CC_id, bcch_sdu_length, mcs);
} else {
LOG_D(MAC, "[eNB] Frame %d : Scheduling BCCH->DLSCH (FDD) for CC_id %d SI %d bytes (mcs %d, rb 3)\n", frameP, CC_id, bcch_sdu_length, mcs);
}
eNB->eNB_stats[CC_id].total_num_bcch_pdu += 1;
eNB->eNB_stats[CC_id].bcch_buffer = bcch_sdu_length;
eNB->eNB_stats[CC_id].total_bcch_buffer += bcch_sdu_length;
eNB->eNB_stats[CC_id].bcch_mcs = mcs;
//printf("SI %d.%d\n", frameP, subframeP);/////////////////////////////////////////******************************
} else {
//LOG_D(MAC,"[eNB %d] Frame %d : BCCH not active \n",Mod_id,frame);
}
}
}
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
schedule_SIB1_BR(module_idP, frameP, subframeP);
schedule_SI_BR(module_idP, frameP, subframeP);
#endif
stop_meas(&eNB->schedule_si);
}
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