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Commit 0ead4bdb authored by Louis Adrien Dufrene's avatar Louis Adrien Dufrene
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some format for eNB_scheduler_RA.c and rar_tools.c + some fix in RAR PDU

parent a3d3b0cd
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Showing with 206 additions and 135 deletions
openair2/LAYER2/MAC/eNB_scheduler_RA.c
View file @ 0ead4bdb
...@@ -239,21 +239,27 @@ add_msg3(module_id_t module_idP, int CC_id, RA_t * ra, frame_t frameP, ...@@ -239,21 +239,27 @@ add_msg3(module_id_t module_idP, int CC_id, RA_t * ra, frame_t frameP,
} // non-BL/CE UE case } // non-BL/CE UE case
} }
void //------------------------------------------------------------------------------
generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, /*
sub_frame_t subframeP, RA_t * ra) * Generate the RAR (message2)
*/
void generate_Msg2(module_id_t module_idP,
int CC_idP,
frame_t frameP,
sub_frame_t subframeP,
RA_t *ra)
//------------------------------------------------------------------------------
{ {
eNB_MAC_INST *mac = RC.mac[module_idP]; eNB_MAC_INST *mac = RC.mac[module_idP];
COMMON_channels_t *cc = mac->common_channels; COMMON_channels_t *cc = mac->common_channels;
uint8_t *vrb_map; uint8_t *vrb_map = NULL;
int first_rb; int first_rb = 0;
int N_RB_DL; int N_RB_DL = 0;
nfapi_dl_config_request_pdu_t *dl_config_pdu;
nfapi_tx_request_pdu_t *TX_req; nfapi_dl_config_request_pdu_t *dl_config_pdu = NULL;
nfapi_dl_config_request_body_t *dl_req_body; nfapi_tx_request_pdu_t *TX_req = NULL;
nfapi_dl_config_request_body_t *dl_req_body = NULL;
vrb_map = cc[CC_idP].vrb_map; vrb_map = cc[CC_idP].vrb_map;
dl_req_body = &mac->DL_req[CC_idP].dl_config_request_body; dl_req_body = &mac->DL_req[CC_idP].dl_config_request_body;
...@@ -267,19 +273,18 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -267,19 +273,18 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
int num_nb = 0; int num_nb = 0;
first_rb = 0; first_rb = 0;
struct LTE_PRACH_ConfigSIB_v1310 *ext4_prach; struct LTE_PRACH_ConfigSIB_v1310 *ext4_prach = NULL;
LTE_PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13; LTE_PRACH_ParametersListCE_r13_t *prach_ParametersListCE_r13 = NULL;
LTE_PRACH_ParametersCE_r13_t *p[4] = { NULL, NULL, NULL, NULL }; LTE_PRACH_ParametersCE_r13_t *p[4] = { NULL, NULL, NULL, NULL };
uint16_t absSF = (10 * frameP) + subframeP; uint16_t absSF = (10 * frameP) + subframeP;
uint16_t absSF_Msg2 = (10 * ra->Msg2_frame) + ra->Msg2_subframe; uint16_t absSF_Msg2 = (10 * ra->Msg2_frame) + ra->Msg2_subframe;
if (absSF > absSF_Msg2) if (absSF > absSF_Msg2) {
return; // we're not ready yet, need to be to start == return; // we're not ready yet
}
if (cc[CC_idP].mib->message.schedulingInfoSIB1_BR_r13 > 0 &&
cc[CC_idP].radioResourceConfigCommon_BR) {
if (cc[CC_idP].mib->message.schedulingInfoSIB1_BR_r13 > 0 && cc[CC_idP].radioResourceConfigCommon_BR) {
ext4_prach = cc[CC_idP].radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310; ext4_prach = cc[CC_idP].radioResourceConfigCommon_BR->ext4->prach_ConfigCommon_v1310;
prach_ParametersListCE_r13 = &ext4_prach->prach_ParametersListCE_r13; prach_ParametersListCE_r13 = &ext4_prach->prach_ParametersListCE_r13;
...@@ -296,39 +301,47 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -296,39 +301,47 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
default: default:
AssertFatal (1 == 0, "Illegal count for prach_ParametersListCE_r13 %d\n", (int) prach_ParametersListCE_r13->list.count); AssertFatal (1 == 0, "Illegal count for prach_ParametersListCE_r13 %d\n", (int) prach_ParametersListCE_r13->list.count);
break; break;
} }
} }
if (ra->rach_resource_type > 0) { if (ra->rach_resource_type > 0) {
/* This uses an MPDCCH Type 2 common allocation according to Section 9.1.5 36-213
* Parameters:
* p = 2 + 4 PRB set (number of PRB pairs 3)
* rmax = mpdcch-NumRepetition-RA-r13 => Table 9.1.5-3
* if CELevel = 0,1 => Table 9.1.5-1b for MPDCCH candidates
* if CELevel = 2,3 => Table 9.1.5-2b for MPDCCH candidates
* distributed transmission
*/
// This uses an MPDCCH Type 2 common allocation according to Section 9.1.5 36-213 /* rmax from SIB2 information */
// Parameters: AssertFatal (rmax < 9, "rmax > 8!\n"); // not sure of this assertion
// p=2+4 PRB set (number of PRB pairs 3)
// rmax = mpdcch-NumRepetition-RA-r13 => Table 9.1.5-3
// if CELevel = 0,1 => Table 9.1.5-1b for MPDCCH candidates
// if CELevel = 2,3 => Table 9.1.5-2b for MPDCCH candidates
// distributed transmission
// rmax from SIB2 information
AssertFatal (rmax < 9, "rmax>8!\n");
rmax = 1 << p[ra->rach_resource_type - 1]->mpdcch_NumRepetition_RA_r13; rmax = 1 << p[ra->rach_resource_type - 1]->mpdcch_NumRepetition_RA_r13;
// choose r1 by default for RAR (Table 9.1.5-5)
/* Choose r1 by default for RAR (Table 9.1.5-5) */
rep = 0; rep = 0;
// get actual repetition count from Table 9.1.5-3
/* Get actual repetition count from Table 9.1.5-3 */
reps = (rmax <= 8) ? (1 << rep) : (rmax >> (3 - rep)); reps = (rmax <= 8) ? (1 << rep) : (rmax >> (3 - rep));
// get narrowband according to higher-layer config
/* Get narrowband according to higher-layer config */
num_nb = p[ra->rach_resource_type - 1]->mpdcch_NarrowbandsToMonitor_r13.list.count; num_nb = p[ra->rach_resource_type - 1]->mpdcch_NarrowbandsToMonitor_r13.list.count;
ra->msg2_narrowband = *p[ra->rach_resource_type - 1]->mpdcch_NarrowbandsToMonitor_r13.list.array[ra->preamble_index % num_nb]-1; ra->msg2_narrowband = *p[ra->rach_resource_type - 1]->mpdcch_NarrowbandsToMonitor_r13.list.array[ra->preamble_index % num_nb] - 1;
first_rb = narrowband_to_first_rb (&cc[CC_idP], ra->msg2_narrowband); first_rb = narrowband_to_first_rb(&cc[CC_idP], ra->msg2_narrowband);
if ((ra->msg2_mpdcch_repetition_cnt == 0) && (mpdcch_sf_condition (mac, CC_idP, frameP, subframeP, rmax, TYPE2, -1) > 0)) { if ((ra->msg2_mpdcch_repetition_cnt == 0) && (mpdcch_sf_condition(mac, CC_idP, frameP, subframeP, rmax, TYPE2, -1) > 0)) {
ra->msg2_mpdcch_done = 0; ra->msg2_mpdcch_done = 0;
// MPDCCH configuration for RAR
LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2 for CE Level %d, Programming MPDCCH %d repetitions\n", module_idP, frameP, subframeP, ra->rach_resource_type-1,reps);
/* MPDCCH configuration for RAR */
LOG_I(MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2 for CE Level %d, Programming MPDCCH %d repetitions\n",
module_idP,
frameP,
subframeP,
ra->rach_resource_type - 1,
reps);
memset ((void *) dl_config_pdu, 0, sizeof (nfapi_dl_config_request_pdu_t)); memset ((void *) dl_config_pdu, 0, sizeof (nfapi_dl_config_request_pdu_t));
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_MPDCCH_PDU_TYPE; dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_MPDCCH_PDU_TYPE;
dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof (nfapi_dl_config_mpdcch_pdu)); dl_config_pdu->pdu_size = (uint8_t) (2 + sizeof (nfapi_dl_config_mpdcch_pdu));
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.dci_format = (ra->rach_resource_type > 1) ? 11 : 10; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.dci_format = (ra->rach_resource_type > 1) ? 11 : 10;
...@@ -336,8 +349,16 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -336,8 +349,16 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.number_of_prb_pairs = 6; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.number_of_prb_pairs = 6;
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.resource_block_assignment = 0; // Note: this can be dynamic dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.resource_block_assignment = 0; // Note: this can be dynamic
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.mpdcch_tansmission_type = 1; // imposed (9.1.5 in 213) for Type 2 Common search space dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.mpdcch_tansmission_type = 1; // imposed (9.1.5 in 213) for Type 2 Common search space
AssertFatal (cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13 != NULL, "cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13 is null\n"); AssertFatal (cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13 != NULL, "cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13 is null\n");
LOG_E(MAC, "first_rb = %d, getRIV(N_RB_DL, first_rb, 6) = %d ; N_RB_DL = %d\n", first_rb, getRIV(N_RB_DL, first_rb, 6), N_RB_DL);
LOG_E(MAC, "ra->msg2_narrowband = %d, getRIV(6, 0, 6) | (ra->msg2_narrowband<<5) = %d ; N_RB_DL = %d\n", ra->msg2_narrowband, getRIV(6, 0, 6) | (ra->msg2_narrowband<<5));
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.start_symbol = cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->startSymbolBR_r13; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.start_symbol = cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->startSymbolBR_r13;
LOG_E(MAC, "start_symbol = %d \n", dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.start_symbol);
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.ecce_index = 0; // Note: this should be dynamic dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.ecce_index = 0; // Note: this should be dynamic
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.aggregation_level = 24; // OK for CEModeA r1-3 (9.1.5-1b) or CEModeB r1-4 dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.aggregation_level = 24; // OK for CEModeA r1-3 (9.1.5-1b) or CEModeB r1-4
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.rnti_type = 2; // RA-RNTI dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.rnti_type = 2; // RA-RNTI
...@@ -346,7 +367,7 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -346,7 +367,7 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.drms_scrambling_init = cc[CC_idP].physCellId; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.drms_scrambling_init = cc[CC_idP].physCellId;
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.initial_transmission_sf_io = (frameP * 10) + subframeP; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.initial_transmission_sf_io = (frameP * 10) + subframeP;
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.transmission_power = 6000; // 0dB dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.transmission_power = 6000; // 0dB
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.resource_block_coding = getRIV (6, 0, 6) | (ra->msg2_narrowband<<5); dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.resource_block_coding = getRIV(6, 0, 6) | (ra->msg2_narrowband<<5);
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.mcs = 0; // adjust according to size of RAR, 208 bits with N1A_PRB=3 dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.mcs = 0; // adjust according to size of RAR, 208 bits with N1A_PRB=3
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.pdsch_reptition_levels = 0; // fix to 4 for now dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.pdsch_reptition_levels = 0; // fix to 4 for now
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.redundancy_version = 0; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.redundancy_version = 0;
...@@ -373,17 +394,16 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -373,17 +394,16 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.direct_indication = 0; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.direct_indication = 0;
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.total_dci_length_including_padding = 0; // this is not needed by OAI L1, but should be filled in dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.total_dci_length_including_padding = 0; // this is not needed by OAI L1, but should be filled in
dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.number_of_tx_antenna_ports = 1; dl_config_pdu->mpdcch_pdu.mpdcch_pdu_rel13.number_of_tx_antenna_ports = 1;
ra->msg2_mpdcch_repetition_cnt++; ra->msg2_mpdcch_repetition_cnt++;
dl_req_body->number_pdu++; dl_req_body->number_pdu++;
ra->Msg2_subframe = (ra->Msg2_subframe + 9) % 10; ra->Msg2_subframe = (ra->Msg2_subframe + 9) % 10;
} // repetition_count == 0 && SF condition met
} //repetition_count==0 && SF condition met
if (ra->msg2_mpdcch_repetition_cnt > 0) { // we're in a stream of repetitions if (ra->msg2_mpdcch_repetition_cnt > 0) { // we're in a stream of repetitions
if ((ra->msg2_mpdcch_repetition_cnt == reps) && (ra->msg2_mpdcch_done == 0)) { // this is the last mpdcch repetition
if ((ra->msg2_mpdcch_repetition_cnt == reps)&&
(ra->msg2_mpdcch_done == 0)){ // this is the last mpdcch repetition
ra->msg2_mpdcch_done = 1; ra->msg2_mpdcch_done = 1;
if (cc[CC_idP].tdd_Config == NULL) { // FDD case if (cc[CC_idP].tdd_Config == NULL) { // FDD case
// wait 2 subframes for PDSCH transmission // wait 2 subframes for PDSCH transmission
if (subframeP > 7) if (subframeP > 7)
...@@ -391,31 +411,47 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -391,31 +411,47 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
else else
ra->Msg2_frame = frameP; ra->Msg2_frame = frameP;
ra->Msg2_subframe = (subframeP + 2) % 10; // +2 is the "n+x" from Section 7.1.11 in 36.213 ra->Msg2_subframe = (subframeP + 2) % 10; // +2 is the "n+x" from Section 7.1.11 in 36.213
LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, programmed Msg2 for %d.%d\n", module_idP, frameP, subframeP, ra->Msg2_frame,ra->Msg2_subframe);
LOG_I(MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, programmed Msg2 for %d.%d\n",
module_idP,
frameP,
subframeP,
ra->Msg2_frame,
ra->Msg2_subframe);
} else { } else {
AssertFatal (1 == 0, "TDD case not done yet\n"); AssertFatal(1 == 0, "TDD case not done yet\n");
} }
} // mpdcch_repetition_count == reps } else if (ra->msg2_mpdcch_done == 0) { // mpdcch_repetition_count != reps
else if (ra->msg2_mpdcch_done == 0) { LOG_I(MAC,"[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, MPDCCH repetition %d\n",
LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, MPDCCH repetition %d\n", module_idP, frameP, subframeP, ra->msg2_mpdcch_repetition_cnt); module_idP,
frameP,
subframeP,
ra->msg2_mpdcch_repetition_cnt);
ra->msg2_mpdcch_repetition_cnt++; ra->msg2_mpdcch_repetition_cnt++;
} }
if((ra->Msg2_frame == frameP) && (ra->Msg2_subframe == subframeP)) {
if ((ra->Msg2_frame == frameP) && (ra->Msg2_subframe == subframeP)) { /* Program PDSCH */
// Program PDSCH LOG_I(MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming PDSCH\n",
LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming PDSCH\n", module_idP, frameP, subframeP); module_idP,
frameP,
subframeP);
dl_config_pdu = &dl_req_body->dl_config_pdu_list[dl_req_body->number_pdu]; dl_config_pdu = &dl_req_body->dl_config_pdu_list[dl_req_body->number_pdu];
memset ((void *) dl_config_pdu, 0, sizeof (nfapi_dl_config_request_pdu_t)); memset ((void *) dl_config_pdu, 0, sizeof (nfapi_dl_config_request_pdu_t));
LOG_E(MAC, "first_rb = %d, getRIV(N_RB_DL, first_rb, 6) = %d ; N_RB_DL = %d\n", first_rb, getRIV(N_RB_DL, first_rb, 6), N_RB_DL);
dl_config_pdu->pdu_type = NFAPI_DL_CONFIG_DLSCH_PDU_TYPE; 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->pdu_size = (uint8_t) (2 + sizeof (nfapi_dl_config_dlsch_pdu));
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = mac->pdu_index[CC_idP]; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index = mac->pdu_index[CC_idP];
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = ra->RA_rnti; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.rnti = ra->RA_rnti;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.resource_allocation_type = 2;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.virtual_resource_block_assignment_flag = 0; // localized 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.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.modulation = 2; // QPSK
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.redundancy_version = 0; 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_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.transport_block_to_codeword_swap_flag = 0;
...@@ -427,28 +463,38 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -427,28 +463,38 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pa = 4; // 0 dB 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.delta_power_offset_index = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.ngap = 0;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize (cc[CC_idP].mib->message.dl_Bandwidth); // ignored dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.nprb = get_subbandsize(cc[CC_idP].mib->message.dl_Bandwidth); // ignored
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc[CC_idP].p_eNB == 1) ? 1 : 2; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.transmission_mode = (cc[CC_idP].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_prb_per_subband = 1;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.num_bf_vector = 1;
// dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ; // dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.bf_vector = ;
// Rel10 fields /* Rel10 fields */
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->startSymbolBR_r13; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start = cc[CC_idP].sib1_v13ext->bandwidthReducedAccessRelatedInfo_r13->startSymbolBR_r13;
// Rel13 fields
LOG_E(MAC, "start_symbol = %d \n", dl_config_pdu->dlsch_pdu.dlsch_pdu_rel10.pdsch_start);
/* Rel13 fields */
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = (ra->rach_resource_type < 3) ? 1 : 2;; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.ue_type = (ra->rach_resource_type < 3) ? 1 : 2;;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 2; // not SI message dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.pdsch_payload_type = 2; // not SI message
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = (10 * frameP) + subframeP; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.initial_transmission_sf_io = (10 * frameP) + subframeP;
dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.drms_table_flag = 0; dl_config_pdu->dlsch_pdu.dlsch_pdu_rel13.drms_table_flag = 0;
dl_req_body->number_pdu++; dl_req_body->number_pdu++;
fill_rar_br (mac, CC_idP, ra, frameP, subframeP, cc[CC_idP].RAR_pdu.payload, ra->rach_resource_type - 1) ; fill_rar_br(mac, CC_idP, ra, frameP, subframeP, cc[CC_idP].RAR_pdu.payload, ra->rach_resource_type - 1);
// Program UL processing for Msg3, same as regular LTE
/* Program UL processing for Msg3, same as regular LTE */
get_Msg3alloc (&cc[CC_idP], subframeP, frameP, &ra->Msg3_frame, &ra->Msg3_subframe); get_Msg3alloc (&cc[CC_idP], subframeP, frameP, &ra->Msg3_frame, &ra->Msg3_subframe);
add_msg3 (module_idP, CC_idP, ra, frameP, subframeP); add_msg3 (module_idP, CC_idP, ra, frameP, subframeP);
ra->state = WAITMSG3; ra->state = WAITMSG3;
// DL request
LOG_I (MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming TX Req\n", module_idP, frameP, subframeP); /* DL request */
LOG_I(MAC, "[eNB %d][RAPROC] Frame %d, Subframe %d : In generate_Msg2, Programming TX Req\n",
module_idP,
frameP,
subframeP);
mac->TX_req[CC_idP].sfn_sf = (frameP << 4) + subframeP; mac->TX_req[CC_idP].sfn_sf = (frameP << 4) + subframeP;
TX_req = &mac->TX_req[CC_idP].tx_request_body.tx_pdu_list[mac->TX_req[CC_idP].tx_request_body.number_of_pdus]; TX_req = &mac->TX_req[CC_idP].tx_request_body.tx_pdu_list[mac->TX_req[CC_idP].tx_request_body.number_of_pdus];
TX_req->pdu_length = 7; // This should be changed if we have more than 1 preamble TX_req->pdu_length = 7; // This should be changed if we have more than 1 preamble
...@@ -459,7 +505,6 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP, ...@@ -459,7 +505,6 @@ generate_Msg2(module_id_t module_idP, int CC_idP, frame_t frameP,
mac->TX_req[CC_idP].tx_request_body.number_of_pdus++; mac->TX_req[CC_idP].tx_request_body.number_of_pdus++;
} }
} }
} else } else
#endif #endif
......
openair2/LAYER2/MAC/rar_tools.c
View file @ 0ead4bdb
...@@ -110,98 +110,124 @@ fill_rar(const module_id_t module_idP, ...@@ -110,98 +110,124 @@ fill_rar(const module_id_t module_idP,
#if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0)) #if (LTE_RRC_VERSION >= MAKE_VERSION(14, 0, 0))
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
/*
* Fill the RAR buffer (header + PDU) for LTE-M devices
*/
unsigned short fill_rar_br(eNB_MAC_INST *eNB, unsigned short fill_rar_br(eNB_MAC_INST *eNB,
int CC_id, int CC_id,
RA_t *ra, RA_t *ra,
const frame_t frameP, const frame_t frameP,
const sub_frame_t subframeP, const sub_frame_t subframeP,
uint8_t* const dlsch_buffer, uint8_t* const dlsch_buffer,
const uint8_t ce_level const uint8_t ce_level)
)
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
{ {
RA_HEADER_RAPID *rarh = (RA_HEADER_RAPID *) dlsch_buffer;
RA_HEADER_RAPID *rarh = (RA_HEADER_RAPID *)dlsch_buffer;
COMMON_channels_t *cc = &eNB->common_channels[CC_id]; COMMON_channels_t *cc = &eNB->common_channels[CC_id];
uint8_t *rar = (uint8_t *)(dlsch_buffer+1); uint8_t *rar = (uint8_t *)(dlsch_buffer + 1);
uint32_t rballoc,reps;
uint32_t TPC,ULdelay,cqireq,mpdcch_nb_index;
int input_buffer_length;
uint32_t rballoc = 0;
uint32_t reps = 0;
uint32_t ULdelay = 0;
uint32_t cqireq = 0;
uint32_t mpdcch_nb_index = 0;
uint32_t TPC = 0;
int input_buffer_length = 0;
int N_NB_index = 0;
AssertFatal(ra != NULL, "RA is null \n"); AssertFatal(ra != NULL, "RA is null \n");
// subheader fixed /* Subheader fixed */
rarh->E = 0; // First and last RAR rarh->E = 0; // First and last RAR
rarh->T = 1; // 0 for E/T/R/R/BI subheader, 1 for E/T/RAPID subheader rarh->T = 1; // 0 for E/T/R/R/BI subheader, 1 for E/T/RAPID subheader
rarh->RAPID = ra->preamble_index; // Respond to Preamble 0 only for the moment rarh->RAPID = ra->preamble_index; // Respond to Preamble
ra->timing_offset /= 16; //T_A = N_TA/16, where N_TA should be on a 30.72Msps
rar[0] = (uint8_t) (ra->timing_offset >> (2 + 4)); // 7 MSBs of timing advance + divide by 4
rar[1] = (uint8_t) (ra->timing_offset << (4 - 2)) & 0xf0; // 4 LSBs of timing advance + divide by 4
int N_NB_index; /* RAR PDU */
/* TA Command */
ra->timing_offset /= 16; // T_A = N_TA/16, where N_TA should be on a 30.72Msps
rar[0] = (uint8_t) (ra->timing_offset >> 4) & 0x7f; // 7 MSBs of timing advance
rar[1] = (uint8_t) (ra->timing_offset & 0x0f) << 4; // 4 LSBs of timing advance
// Copy the Msg2 narrowband /* Copy the Msg2 narrowband */
ra->msg34_narrowband = ra->msg2_narrowband; ra->msg34_narrowband = ra->msg2_narrowband;
ra->msg3_first_rb = 0; ra->msg3_first_rb = 0;
ra->msg3_nb_rb = 2; ra->msg3_nb_rb = 2;
if (ce_level < 2) { // CE Level 0, 1 (CEmodeA)
if (ce_level < 2) { //CE Level 0,1, CEmodeA
input_buffer_length = 6; input_buffer_length = 6;
N_NB_index = get_numnarrowbandbits(cc->mib->message.dl_Bandwidth); N_NB_index = get_numnarrowbandbits(cc->mib->message.dl_Bandwidth);
rar[4] = (uint8_t)(ra->rnti>>8); /* UL Grant */
rar[5] = (uint8_t)(ra->rnti&0xff);
//cc->ra[ra_idx].timing_offset = 0;
reps = 0; reps = 0;
ra->msg3_mcs = 7; ra->msg3_mcs = 7;
TPC = 3; // no power increase TPC = 3; // no power increase
ULdelay = 0; ULdelay = 0;
cqireq = 0; cqireq = 0;
mpdcch_nb_index = 0; mpdcch_nb_index = 0;
rballoc = mac_computeRIV(6,ra->msg3_first_rb,ra->msg3_nb_rb); rballoc = mac_computeRIV(6, ra->msg3_first_rb, ra->msg3_nb_rb);
uint32_t buffer = 0; uint32_t buffer = 0;
buffer |= ra->msg34_narrowband << (16 + (4 - N_NB_index)); buffer |= ra->msg34_narrowband << (16 + (4 - N_NB_index));
buffer |= ((rballoc & 0xFF) << (12 + (4 - N_NB_index))); buffer |= ((rballoc & 0x0F) << (12 + (4 - N_NB_index)));
buffer |= ((reps & 0x03) << (10 + (4 - N_NB_index))); buffer |= ((reps & 0x03) << (10 + (4 - N_NB_index)));
buffer |= ((ra->msg3_mcs & 0x07) << (7 + (4 - N_NB_index))); buffer |= ((ra->msg3_mcs & 0x07) << (7 + (4 - N_NB_index)));
buffer |= ((TPC & 0x07) << (4 + (4 - N_NB_index))); buffer |= ((TPC & 0x07) << (4 + (4 - N_NB_index)));
buffer |= ((cqireq & 0x01) << (3 + (4 - N_NB_index))); buffer |= ((cqireq & 0x01) << (3 + (4 - N_NB_index)));
buffer |= ((ULdelay & 0x01) << (2 + (4 - N_NB_index))); buffer |= ((ULdelay & 0x01) << (2 + (4 - N_NB_index)));
buffer |= (mpdcch_nb_index << (4 - N_NB_index)); buffer |= (mpdcch_nb_index << (4 - N_NB_index));
rar[1] = (buffer>>16) & 0x0F;
rar[2] = (buffer>>8) & 0xFF;
rar[3] = buffer&0xFF;
}
else { // CE level 2,3 => CEModeB
AssertFatal(1==0,"Shouldn't get here ...\n"); rar[1] |= (uint8_t) (buffer >> 16) & 0x0F;
input_buffer_length =5; rar[2] = (uint8_t) (buffer >> 8) & 0xFF;
rar[3] = (uint8_t) buffer & 0xFF;
/* RA CRNTI */
rar[4] = (uint8_t)(ra->rnti >> 8);
rar[5] = (uint8_t)(ra->rnti & 0xff);
} else { // CE level 2, 3 (CEModeB)
AssertFatal(1 == 0, "Shouldn't get here ...\n");
rar[3] = (uint8_t)(ra->rnti>>8); input_buffer_length = 5;
rar[4] = (uint8_t)(ra->rnti&0xff);
rar[3] = (uint8_t)(ra->rnti >> 8);
rar[4] = (uint8_t)(ra->rnti & 0xff);
} }
LOG_I(MAC,"[RAPROC] Frame %d Subframe %d : Generating RAR BR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for ce_level %d, CRNTI %x,preamble %d/%d,TIMING OFFSET %d\n",
frameP,subframeP, LOG_I(MAC, "[RAPROC] Frame %d Subframe %d : Generating RAR BR (%02x|%02x.%02x.%02x.%02x.%02x.%02x) for ce_level %d, CRNTI %x, preamble %d/%d, TIMING OFFSET %d\n",
*(uint8_t*)rarh,rar[0],rar[1],rar[2],rar[3],rar[4],rar[5], frameP,
subframeP,
*(uint8_t*) rarh,
rar[0],
rar[1],
rar[2],
rar[3],
rar[4],
rar[5],
ce_level, ce_level,
ra->rnti, ra->rnti,
rarh->RAPID,ra->preamble_index, rarh->RAPID,
ra->preamble_index,
ra->timing_offset); ra->timing_offset);
if (opt_enabled) { if (opt_enabled) {
trace_pdu(DIRECTION_DOWNLINK , dlsch_buffer, input_buffer_length, eNB->Mod_id, WS_RA_RNTI , 1, trace_pdu(DIRECTION_DOWNLINK,
eNB->frame, eNB->subframe, 0, 0); dlsch_buffer,
LOG_D(OPT, input_buffer_length,
"[RAPROC] RAR Frame %d trace pdu for rnti %x and rapid %d size %d\n", eNB->Mod_id,
frameP, ra->rnti, rarh->RAPID, input_buffer_length); WS_RA_RNTI,
1,
eNB->frame,
eNB->subframe,
0,
0);
LOG_D(OPT, "[RAPROC] RAR Frame %d trace pdu for rnti %x and rapid %d size %d\n",
frameP,
ra->rnti,
rarh->RAPID,
input_buffer_length);
} }
return (ra->rnti); return (ra->rnti);
......
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