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Commit f578c1cf authored by Panos Matzakos's avatar Panos Matzakos
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Updated instructions file for launching nfapi-L2-emulator and polishing the code.

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openair2/LAYER2/MAC/ra_procedures.c
+ 2
− 572
View file @ f578c1cf
......@@ -109,8 +109,6 @@ get_prach_resources(module_id_t module_idP,
uint8_t first_Msg3,
RACH_ConfigDedicated_t * rach_ConfigDedicated)
{
LOG_I(MAC, "Panos-D: get_prach_resources 1");
uint8_t Msg3_size = UE_mac_inst[module_idP].RA_Msg3_size;
PRACH_RESOURCES_t *prach_resources =
&UE_mac_inst[module_idP].RA_prach_resources;
......@@ -216,7 +214,6 @@ get_prach_resources(module_id_t module_idP,
if (first_Msg3 == 1) {
if (noGroupB == 1) {
// use Group A procedure
LOG_I(MAC, "Panos-D: get_prach_resources 2");
UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex =
(taus()) % numberOfRA_Preambles;
UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex =
......@@ -225,14 +222,12 @@ get_prach_resources(module_id_t module_idP,
} else if ((Msg3_size < messageSizeGroupA) ||
(get_PL(module_idP, 0, eNB_index) > PLThreshold)) {
// use Group A procedure
LOG_I(MAC, "Panos-D: get_prach_resources 3");
UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex =
(taus()) % sizeOfRA_PreamblesGroupA;
UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex =
0;
UE_mac_inst[module_idP].RA_usedGroupA = 1;
} else { // use Group B
LOG_I(MAC, "Panos-D: get_prach_resources 4");
UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex =
sizeOfRA_PreamblesGroupA +
(taus()) % (numberOfRA_Preambles -
......@@ -291,7 +286,6 @@ get_prach_resources(module_id_t module_idP,
// choose RA-RNTI
UE_mac_inst[module_idP].RA_prach_resources.ra_RNTI =
1 + t_id + 10 * f_id;
LOG_I(MAC, "Panos-D: get_prach_resources 4");
}
void
......@@ -360,7 +354,7 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
// Panos: Modification for phy_stub_ue operation
if(nfapi_mode == 3) { // Panos: phy_stub_ue mode
UE_mode = UE_mac_inst[module_idP].UE_mode[0];
LOG_I(MAC, "Panos-D: ue_get_rach 2, UE_mode: %d", UE_mode);
LOG_D(MAC, "ue_get_rach , UE_mode: %d", UE_mode);
}
else { // Full stack mode
UE_mode = get_ue_mode(module_idP,0,eNB_indexP);
......@@ -381,7 +375,7 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
"Transmission on secondary CCs is not supported yet\n");
if (UE_mode == PRACH) {
LOG_I(MAC, "Panos-D: ue_get_rach 3, RA_active value: %d", UE_mac_inst[module_idP].RA_active);
LOG_D(MAC, "ue_get_rach 3, RA_active value: %d", UE_mac_inst[module_idP].RA_active);
if (UE_mac_inst[module_idP].radioResourceConfigCommon) {
rach_ConfigCommon =
&UE_mac_inst[module_idP].
......@@ -413,7 +407,6 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
module_idP, frameP, Size);
if (Size > 0) {
LOG_I(MAC, "Panos-D: ue_get_rach 5");
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER =
1;
......@@ -684,566 +677,3 @@ PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
/*PRACH_RESOURCES_t *ue_get_rach(module_id_t module_idP, int CC_id,
frame_t frameP, uint8_t eNB_indexP,
sub_frame_t subframeP)
{
<<<<<<< HEAD
LOG_I(MAC, "Panos-D: ue_get_rach 1");
uint8_t Size = 0;
UE_MODE_t UE_mode;
// Panos: Modification for phy_stub_ue operation
if(nfapi_mode == 3) { // Panos: phy_stub_ue mode
UE_mode = UE_mac_inst[module_idP].UE_mode[0];
LOG_I(MAC, "Panos-D: ue_get_rach 2, UE_mode: %d", UE_mode);
}
else { // Full stack mode
UE_mode = get_ue_mode(module_idP,0,eNB_indexP);
}
uint8_t lcid = CCCH;
uint16_t Size16;
struct RACH_ConfigCommon *rach_ConfigCommon = (struct RACH_ConfigCommon *)NULL;
int32_t frame_diff = 0;
mac_rlc_status_resp_t rlc_status;
uint8_t dcch_header_len = 0;
uint16_t sdu_lengths[8];
uint8_t ulsch_buff[MAX_ULSCH_PAYLOAD_BYTES];
AssertFatal(CC_id==0,
"Transmission on secondary CCs is not supported yet\n");
if (UE_mode == PRACH) {
LOG_I(MAC, "Panos-D: ue_get_rach 3, RA_active value: %d", UE_mac_inst[module_idP].RA_active);
if (UE_mac_inst[module_idP].radioResourceConfigCommon) {
rach_ConfigCommon = &UE_mac_inst[module_idP].radioResourceConfigCommon->rach_ConfigCommon;
} else {
//AssertFatal(UE_mac_inst[module_idP].radioResourceConfigCommon!=NULL,"RadioResourceConfigCommon Null");
return(NULL);
}
if (UE_mac_inst[module_idP].RA_active == 0) {
LOG_I(MAC, "Panos-D: ue_get_rach 4");
LOG_I(MAC,"RA not active\n");
// check if RRC is ready to initiate the RA procedure
Size = mac_rrc_data_req(module_idP,
CC_id,
frameP,
CCCH,1,
&UE_mac_inst[module_idP].CCCH_pdu.payload[sizeof(SCH_SUBHEADER_SHORT)+1],0,
eNB_indexP,
0);
Size16 = (uint16_t)Size;
// LOG_D(MAC,"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n",module_idP,frameP,Size);
LOG_I(RRC, "[MSC_MSG][FRAME %05d][RRC_UE][MOD %02d][][--- MAC_DATA_REQ (RRCConnectionRequest eNB %d) --->][MAC_UE][MOD %02d][]\n",
frameP, module_idP, eNB_indexP, module_idP);
LOG_I(MAC,"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n",module_idP,frameP,Size);
if (Size>0) {
LOG_I(MAC, "Panos-D: ue_get_rach 5");
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER = 1;
UE_mac_inst[module_idP].RA_Msg3_size = Size+sizeof(SCH_SUBHEADER_SHORT)+sizeof(SCH_SUBHEADER_SHORT);
UE_mac_inst[module_idP].RA_prachMaskIndex = 0;
UE_mac_inst[module_idP].RA_prach_resources.Msg3 = UE_mac_inst[module_idP].CCCH_pdu.payload;
UE_mac_inst[module_idP].RA_backoff_cnt = 0; // add the backoff condition here if we have it from a previous RA reponse which failed (i.e. backoff indicator)
AssertFatal(rach_ConfigCommon!=NULL,
"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",module_idP,frameP);
UE_mac_inst[module_idP].RA_window_cnt = 2+ rach_ConfigCommon->ra_SupervisionInfo.ra_ResponseWindowSize;
if (UE_mac_inst[module_idP].RA_window_cnt == 9) {
UE_mac_inst[module_idP].RA_window_cnt = 10; // Note: 9 subframe window doesn't exist, after 8 is 10!
}
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
// Fill in preamble and PRACH resource
get_prach_resources(module_idP,CC_id,eNB_indexP,subframeP,1,NULL);
generate_ulsch_header((uint8_t*)&UE_mac_inst[module_idP].CCCH_pdu.payload[0], // mac header
1, // num sdus
0, // short pading
&Size16, // sdu length
&lcid, // sdu lcid
NULL, // power headroom
NULL, // crnti
NULL, // truncated bsr
NULL, // short bsr
NULL, // long_bsr
1); //post_padding
return(&UE_mac_inst[module_idP].RA_prach_resources);
} else if (UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] > 0) {
// This is for triggering a transmission on DCCH using PRACH (during handover, or sending SR for example)
dcch_header_len = 2 + 2; /// SHORT Subheader + C-RNTI control element
rlc_status = mac_rlc_status_ind(module_idP,UE_mac_inst[module_idP].crnti, eNB_indexP,frameP,subframeP,ENB_FLAG_NO,MBMS_FLAG_NO,
DCCH,
6
#ifdef Rel14
,0, 0
#endif
);
if (UE_mac_inst[module_idP].crnti_before_ho)
LOG_D(MAC,
"[UE %d] Frame %d : UL-DCCH -> ULSCH, HO RRCConnectionReconfigurationComplete (%x, %x), RRC message has %d bytes to send throug PRACH (mac header len %d)\n",
module_idP,frameP, UE_mac_inst[module_idP].crnti,UE_mac_inst[module_idP].crnti_before_ho, rlc_status.bytes_in_buffer,dcch_header_len);
else
LOG_D(MAC,"[UE %d] Frame %d : UL-DCCH -> ULSCH, RRC message has %d bytes to send through PRACH(mac header len %d)\n",
module_idP,frameP, rlc_status.bytes_in_buffer,dcch_header_len);
sdu_lengths[0] = mac_rlc_data_req(module_idP, UE_mac_inst[module_idP].crnti,
eNB_indexP, frameP,ENB_FLAG_NO, MBMS_FLAG_NO,
DCCH,
6, //not used
(char *)&ulsch_buff[0]
#ifdef Rel14
,0,
0
#endif
);
LOG_D(MAC,"[UE %d] TX Got %d bytes for DCCH\n",module_idP,sdu_lengths[0]);
update_bsr(module_idP, frameP, subframeP,eNB_indexP);
UE_mac_inst[module_idP].scheduling_info.BSR[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]] =
locate_BsrIndexByBufferSize(BSR_TABLE, BSR_TABLE_SIZE, UE_mac_inst[module_idP].scheduling_info.BSR_bytes[UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]]);
//TO DO: fill BSR infos in UL TBS
//header_len +=2;
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER = 1;
UE_mac_inst[module_idP].RA_Msg3_size = Size+dcch_header_len;
UE_mac_inst[module_idP].RA_prachMaskIndex = 0;
UE_mac_inst[module_idP].RA_prach_resources.Msg3 = ulsch_buff;
UE_mac_inst[module_idP].RA_backoff_cnt = 0; // add the backoff condition here if we have it from a previous RA reponse which failed (i.e. backoff indicator)
AssertFatal(rach_ConfigCommon!=NULL,
"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",module_idP,frameP);
UE_mac_inst[module_idP].RA_window_cnt = 2+ rach_ConfigCommon->ra_SupervisionInfo.ra_ResponseWindowSize;
if (UE_mac_inst[module_idP].RA_window_cnt == 9) {
UE_mac_inst[module_idP].RA_window_cnt = 10; // Note: 9 subframe window doesn't exist, after 8 is 10!
}
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
// Fill in preamble and PRACH resource
get_prach_resources(module_idP,CC_id,eNB_indexP,subframeP,1,NULL);
generate_ulsch_header((uint8_t*)ulsch_buff, // mac header
1, // num sdus
0, // short pading
&Size16, // sdu length
&lcid, // sdu lcid
NULL, // power headroom
&UE_mac_inst[module_idP].crnti, // crnti
NULL, // truncated bsr
NULL, // short bsr
NULL, // long_bsr
0); //post_padding
return(&UE_mac_inst[module_idP].RA_prach_resources);
}
} else { // RACH is active
LOG_D(MAC,"[MAC][UE %d][RAPROC] frameP %d, subframe %d: RA Active, window cnt %d (RA_tx_frame %d, RA_tx_subframe %d)\n",module_idP,
frameP,subframeP,UE_mac_inst[module_idP].RA_window_cnt,
UE_mac_inst[module_idP].RA_tx_frame,UE_mac_inst[module_idP].RA_tx_subframe);
// compute backoff parameters
if (UE_mac_inst[module_idP].RA_backoff_cnt>0) {
frame_diff = (sframe_t)frameP - UE_mac_inst[module_idP].RA_backoff_frame;
if (frame_diff < 0) {
frame_diff = -frame_diff;
}
UE_mac_inst[module_idP].RA_backoff_cnt -= ((10*frame_diff) + (subframeP-UE_mac_inst[module_idP].RA_backoff_subframe));
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
}
// compute RA window parameters
if (UE_mac_inst[module_idP].RA_window_cnt>0) {
frame_diff = (frame_t)frameP - UE_mac_inst[module_idP].RA_tx_frame;
if (frame_diff < 0) {
frame_diff = -frame_diff;
}
UE_mac_inst[module_idP].RA_window_cnt -= ((10*frame_diff) + (subframeP-UE_mac_inst[module_idP].RA_tx_subframe));
LOG_D(MAC,"[MAC][UE %d][RAPROC] frameP %d, subframe %d: RA Active, adjusted window cnt %d\n",module_idP,
frameP,subframeP,UE_mac_inst[module_idP].RA_window_cnt);
}
if ((UE_mac_inst[module_idP].RA_window_cnt<=0) &&
(UE_mac_inst[module_idP].RA_backoff_cnt<=0)) {
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER++;
UE_mac_inst[module_idP].RA_prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER +=
(rach_ConfigCommon->powerRampingParameters.powerRampingStep<<1); // 2dB increments in ASN.1 definition
int preambleTransMax = -1;
switch (rach_ConfigCommon->ra_SupervisionInfo.preambleTransMax) {
case PreambleTransMax_n3:
preambleTransMax = 3;
break;
case PreambleTransMax_n4:
preambleTransMax = 4;
break;
case PreambleTransMax_n5:
preambleTransMax = 5;
break;
case PreambleTransMax_n6:
preambleTransMax = 6;
break;
case PreambleTransMax_n7:
preambleTransMax = 7;
break;
case PreambleTransMax_n8:
preambleTransMax = 8;
break;
case PreambleTransMax_n10:
preambleTransMax = 10;
break;
case PreambleTransMax_n20:
preambleTransMax = 20;
break;
case PreambleTransMax_n50:
preambleTransMax = 50;
break;
case PreambleTransMax_n100:
preambleTransMax = 100;
break;
case PreambleTransMax_n200:
preambleTransMax = 200;
break;
}
if (UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER == preambleTransMax) {
LOG_D(MAC,"[UE %d] Frame %d: Maximum number of RACH attempts (%d)\n",module_idP,frameP,preambleTransMax);
// send message to RRC
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER=1;
UE_mac_inst[module_idP].RA_prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER = get_Po_NOMINAL_PUSCH(module_idP,CC_id);
=======
uint8_t Size = 0;
UE_MODE_t UE_mode = get_ue_mode(module_idP, 0, eNB_indexP);
uint8_t lcid = CCCH;
uint16_t Size16;
struct RACH_ConfigCommon *rach_ConfigCommon =
(struct RACH_ConfigCommon *) NULL;
int32_t frame_diff = 0;
mac_rlc_status_resp_t rlc_status;
uint8_t dcch_header_len = 0;
uint16_t sdu_lengths[8];
uint8_t ulsch_buff[MAX_ULSCH_PAYLOAD_BYTES];
AssertFatal(CC_id == 0,
"Transmission on secondary CCs is not supported yet\n");
if (UE_mode == PRACH) {
if (UE_mac_inst[module_idP].radioResourceConfigCommon) {
rach_ConfigCommon =
&UE_mac_inst[module_idP].
radioResourceConfigCommon->rach_ConfigCommon;
} else {
return (NULL);
}
if (UE_mac_inst[module_idP].RA_active == 0) {
LOG_I(MAC, "RA not active\n");
// check if RRC is ready to initiate the RA procedure
Size = mac_rrc_data_req_ue(module_idP,
CC_id,
frameP,
CCCH, 1,
&UE_mac_inst[module_idP].
CCCH_pdu.payload[sizeof
(SCH_SUBHEADER_SHORT)
+ 1], eNB_indexP,
0);
Size16 = (uint16_t) Size;
// LOG_D(MAC,"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n",module_idP,frameP,Size);
LOG_I(RRC,
"[MSC_MSG][FRAME %05d][RRC_UE][MOD %02d][][--- MAC_DATA_REQ (RRCConnectionRequest eNB %d) --->][MAC_UE][MOD %02d][]\n",
frameP, module_idP, eNB_indexP, module_idP);
LOG_I(MAC,
"[UE %d] Frame %d: Requested RRCConnectionRequest, got %d bytes\n",
module_idP, frameP, Size);
if (Size > 0) {
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER =
1;
UE_mac_inst[module_idP].RA_Msg3_size =
Size + sizeof(SCH_SUBHEADER_SHORT) +
sizeof(SCH_SUBHEADER_SHORT);
UE_mac_inst[module_idP].RA_prachMaskIndex = 0;
UE_mac_inst[module_idP].RA_prach_resources.Msg3 =
UE_mac_inst[module_idP].CCCH_pdu.payload;
UE_mac_inst[module_idP].RA_backoff_cnt = 0; // add the backoff condition here if we have it from a previous RA reponse which failed (i.e. backoff indicator)
AssertFatal(rach_ConfigCommon != NULL,
"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",
module_idP, frameP);
UE_mac_inst[module_idP].RA_window_cnt =
2 +
rach_ConfigCommon->ra_SupervisionInfo.
ra_ResponseWindowSize;
if (UE_mac_inst[module_idP].RA_window_cnt == 9) {
UE_mac_inst[module_idP].RA_window_cnt = 10; // Note: 9 subframe window doesn't exist, after 8 is 10!
}
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
// Fill in preamble and PRACH resource
get_prach_resources(module_idP, CC_id, eNB_indexP,
subframeP, 1, NULL);
generate_ulsch_header((uint8_t *) & UE_mac_inst[module_idP].CCCH_pdu.payload[0], // mac header
1, // num sdus
0, // short pading
&Size16, // sdu length
&lcid, // sdu lcid
NULL, // power headroom
NULL, // crnti
NULL, // truncated bsr
NULL, // short bsr
NULL, // long_bsr
1); //post_padding
return (&UE_mac_inst[module_idP].RA_prach_resources);
} else if (UE_mac_inst[module_idP].
scheduling_info.BSR_bytes[UE_mac_inst[module_idP].
scheduling_info.LCGID
[DCCH]] > 0) {
// This is for triggering a transmission on DCCH using PRACH (during handover, or sending SR for example)
dcch_header_len = 2 + 2; /// SHORT Subheader + C-RNTI control element
rlc_status =
mac_rlc_status_ind(module_idP,
UE_mac_inst[module_idP].crnti,
eNB_indexP, frameP, subframeP,
ENB_FLAG_NO, MBMS_FLAG_NO, DCCH, 6);
if (UE_mac_inst[module_idP].crnti_before_ho)
LOG_D(MAC,
"[UE %d] Frame %d : UL-DCCH -> ULSCH, HO RRCConnectionReconfigurationComplete (%x, %x), RRC message has %d bytes to send throug PRACH (mac header len %d)\n",
module_idP, frameP,
UE_mac_inst[module_idP].crnti,
UE_mac_inst[module_idP].crnti_before_ho,
rlc_status.bytes_in_buffer, dcch_header_len);
else
LOG_D(MAC,
"[UE %d] Frame %d : UL-DCCH -> ULSCH, RRC message has %d bytes to send through PRACH(mac header len %d)\n",
module_idP, frameP, rlc_status.bytes_in_buffer,
dcch_header_len);
sdu_lengths[0] = mac_rlc_data_req(module_idP, UE_mac_inst[module_idP].crnti, eNB_indexP, frameP, ENB_FLAG_NO, MBMS_FLAG_NO, DCCH, 6, //not used
(char *) &ulsch_buff[0]);
LOG_D(MAC, "[UE %d] TX Got %d bytes for DCCH\n",
module_idP, sdu_lengths[0]);
update_bsr(module_idP, frameP, subframeP, eNB_indexP);
UE_mac_inst[module_idP].
scheduling_info.BSR[UE_mac_inst[module_idP].
scheduling_info.LCGID[DCCH]] =
locate_BsrIndexByBufferSize(BSR_TABLE, BSR_TABLE_SIZE,
UE_mac_inst
[module_idP].scheduling_info.BSR_bytes
[UE_mac_inst
[module_idP].scheduling_info.LCGID
[DCCH]]);
//TO DO: fill BSR infos in UL TBS
//header_len +=2;
UE_mac_inst[module_idP].RA_active = 1;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER =
1;
UE_mac_inst[module_idP].RA_Msg3_size =
Size + dcch_header_len;
UE_mac_inst[module_idP].RA_prachMaskIndex = 0;
UE_mac_inst[module_idP].RA_prach_resources.Msg3 =
ulsch_buff;
UE_mac_inst[module_idP].RA_backoff_cnt = 0; // add the backoff condition here if we have it from a previous RA reponse which failed (i.e. backoff indicator)
AssertFatal(rach_ConfigCommon != NULL,
"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",
module_idP, frameP);
UE_mac_inst[module_idP].RA_window_cnt =
2 +
rach_ConfigCommon->ra_SupervisionInfo.
ra_ResponseWindowSize;
if (UE_mac_inst[module_idP].RA_window_cnt == 9) {
UE_mac_inst[module_idP].RA_window_cnt = 10; // Note: 9 subframe window doesn't exist, after 8 is 10!
}
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
// Fill in preamble and PRACH resource
get_prach_resources(module_idP, CC_id, eNB_indexP,
subframeP, 1, NULL);
generate_ulsch_header((uint8_t *) ulsch_buff, // mac header
1, // num sdus
0, // short pading
&Size16, // sdu length
&lcid, // sdu lcid
NULL, // power headroom
&UE_mac_inst[module_idP].crnti, // crnti
NULL, // truncated bsr
NULL, // short bsr
NULL, // long_bsr
0); //post_padding
return (&UE_mac_inst[module_idP].RA_prach_resources);
}
} else { // RACH is active
LOG_D(MAC,
"[MAC][UE %d][RAPROC] frameP %d, subframe %d: RA Active, window cnt %d (RA_tx_frame %d, RA_tx_subframe %d)\n",
module_idP, frameP, subframeP,
UE_mac_inst[module_idP].RA_window_cnt,
UE_mac_inst[module_idP].RA_tx_frame,
UE_mac_inst[module_idP].RA_tx_subframe);
// compute backoff parameters
if (UE_mac_inst[module_idP].RA_backoff_cnt > 0) {
frame_diff =
(sframe_t) frameP -
UE_mac_inst[module_idP].RA_backoff_frame;
if (frame_diff < 0) {
frame_diff = -frame_diff;
}
UE_mac_inst[module_idP].RA_backoff_cnt -=
((10 * frame_diff) +
(subframeP -
UE_mac_inst[module_idP].RA_backoff_subframe));
UE_mac_inst[module_idP].RA_backoff_frame = frameP;
UE_mac_inst[module_idP].RA_backoff_subframe = subframeP;
}
// compute RA window parameters
if (UE_mac_inst[module_idP].RA_window_cnt > 0) {
frame_diff =
(frame_t) frameP - UE_mac_inst[module_idP].RA_tx_frame;
if (frame_diff < 0) {
frame_diff = -frame_diff;
}
UE_mac_inst[module_idP].RA_window_cnt -=
((10 * frame_diff) +
(subframeP - UE_mac_inst[module_idP].RA_tx_subframe));
LOG_D(MAC,
"[MAC][UE %d][RAPROC] frameP %d, subframe %d: RA Active, adjusted window cnt %d\n",
module_idP, frameP, subframeP,
UE_mac_inst[module_idP].RA_window_cnt);
}
if ((UE_mac_inst[module_idP].RA_window_cnt <= 0) &&
(UE_mac_inst[module_idP].RA_backoff_cnt <= 0)) {
UE_mac_inst[module_idP].RA_tx_frame = frameP;
UE_mac_inst[module_idP].RA_tx_subframe = subframeP;
UE_mac_inst[module_idP].RA_PREAMBLE_TRANSMISSION_COUNTER++;
UE_mac_inst[module_idP].RA_prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER += (rach_ConfigCommon->powerRampingParameters.powerRampingStep << 1); // 2dB increments in ASN.1 definition
int preambleTransMax = -1;
switch (rach_ConfigCommon->ra_SupervisionInfo.
preambleTransMax) {
case PreambleTransMax_n3:
preambleTransMax = 3;
break;
case PreambleTransMax_n4:
preambleTransMax = 4;
break;
case PreambleTransMax_n5:
preambleTransMax = 5;
break;
case PreambleTransMax_n6:
preambleTransMax = 6;
break;
case PreambleTransMax_n7:
preambleTransMax = 7;
break;
case PreambleTransMax_n8:
preambleTransMax = 8;
break;
case PreambleTransMax_n10:
preambleTransMax = 10;
break;
case PreambleTransMax_n20:
preambleTransMax = 20;
break;
case PreambleTransMax_n50:
preambleTransMax = 50;
break;
case PreambleTransMax_n100:
preambleTransMax = 100;
break;
case PreambleTransMax_n200:
preambleTransMax = 200;
break;
}
if (UE_mac_inst[module_idP].
RA_PREAMBLE_TRANSMISSION_COUNTER == preambleTransMax) {
LOG_D(MAC,
"[UE %d] Frame %d: Maximum number of RACH attempts (%d)\n",
module_idP, frameP, preambleTransMax);
// send message to RRC
UE_mac_inst[module_idP].
RA_PREAMBLE_TRANSMISSION_COUNTER = 1;
UE_mac_inst[module_idP].
RA_prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER
= get_Po_NOMINAL_PUSCH(module_idP, CC_id);
}
UE_mac_inst[module_idP].RA_window_cnt =
2 +
rach_ConfigCommon->ra_SupervisionInfo.
ra_ResponseWindowSize;
UE_mac_inst[module_idP].RA_backoff_cnt = 0;
// Fill in preamble and PRACH resource
get_prach_resources(module_idP, CC_id, eNB_indexP,
subframeP, 0, NULL);
return (&UE_mac_inst[module_idP].RA_prach_resources);
}
>>>>>>> main/develop
}
} else if (UE_mode == PUSCH) {
LOG_D(MAC,
"[UE %d] FATAL: Should not have checked for RACH in PUSCH yet ...",
module_idP);
AssertFatal(1 == 0, "");
}
return (NULL);
} */
openair2/PHY_INTERFACE/phy_stub_UE.c
+ 2
− 3
View file @ f578c1cf
......@@ -85,7 +85,6 @@ void fill_rx_indication_UE_MAC(module_id_t Mod_id,int frame,int subframe, UL_IND
void fill_sr_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint16_t rnti) {
LOG_I(MAC, "Panos-D: fill_sr_indication_UE_MAC 1 \n");
pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
......@@ -155,7 +154,7 @@ void fill_crc_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_
void fill_rach_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint8_t ra_PreambleIndex, uint16_t ra_RNTI) {
LOG_I(MAC, "Panos-D: fill_rach_indication_UE_MAC 1 \n");
LOG_D(MAC, "fill_rach_indication_UE_MAC 1 \n");
pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
UL_INFO = (UL_IND_t*)malloc(sizeof(UL_IND_t));
......@@ -367,7 +366,7 @@ void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
uint8_t access_mode=SCHEDULED_ACCESS;
if(buflen>0){
if(UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){ // Msg3 case
LOG_I(MAC, "Panos-D: handle_nfapi_ul_pdu_UE_MAC 2.2, Mod_id:%d, SFN/SF: %d/%d \n", Mod_id, frame, subframe);
LOG_D(MAC, "handle_nfapi_ul_pdu_UE_MAC 2.2, Mod_id:%d, SFN/SF: %d/%d \n", Mod_id, frame, subframe);
fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0, index, rnti);
fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti, index);
Msg3_transmitted(Mod_id, 0, frame, 0);
......
nfapi-L2-emulator-setup.txt → targets/DOCS/nfapi-L2-emulator-setup.txt
+ 5
− 5
View file @ f578c1cf
......@@ -3,10 +3,10 @@
source oaienv
cd cmake_targets
#Create lte-softmodem-stub-nos1 (UE) and lte-softmodem-nos1 (eNB) executables
./build_oai --eNB --UE --noS1 -x -t ETHERNET -C
cd lte_noS1_build_oai/build/
make lte-softmodem-nos1
#Create lte-uesoftmodem-nos1 (UE) and lte-softmodem-nos1 (eNB) executables
./build_oai --UE --noS1 -x -t ETHERNET
./build_oai --eNB --noS1 -x -t ETHERNET
-------------------------------------------------------------------------------------------------------------------------------------------------------
......@@ -27,5 +27,5 @@ sudo ./lte-softmodem-nos1 -O PATH_OF:rcc.band7.tm1.50PRB.nfapi.conf
# Run the UE process on the other terminal (PNF) (--L2-emul specifying the operation in nfapi-L2-emulation mode
# and it has to be equal to 3, --num_ues specifying the number of UEs)
sudo ./lte-softmodem-stub-nos1 -U -O PATH_OF:oaiL1.nfapi.usrpb210.conf --L2-emul 3 --num-ues 5 > debug_log.txt
sudo ./lte-uesoftmodem-nos1 -U -O PATH_OF:oaiL1.nfapi.usrpb210.conf --L2-emul 3 --num-ues 5 > debug_log.txt
targets/RT/USER/lte-ue.c
+ 25
− 222
View file @ f578c1cf
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