/******************************************************************************* OpenAirInterface Copyright(c) 1999 - 2014 Eurecom OpenAirInterface is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. OpenAirInterface is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenAirInterface.The full GNU General Public License is included in this distribution in the file called "COPYING". If not, see <http://www.gnu.org/licenses/>. Contact Information OpenAirInterface Admin: openair_admin@eurecom.fr OpenAirInterface Tech : openair_tech@eurecom.fr OpenAirInterface Dev : openair4g-devel@eurecom.fr Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE *******************************************************************************/ /*! \file ra_procedures.c * \brief Routines for UE MAC-layer Random-access procedures (36.321) V8.6 2009-03 * \author R. Knopp and Navid Nikaein * \date 2011 * \version 0.1 * \company Eurecom * \email: knopp@eurecom.fr navid.nikaein@eurecom.fr * \note * \warning */ #include "extern.h" #include "defs.h" #include "proto.h" #include "UTIL/LOG/vcd_signal_dumper.h" #include "PHY_INTERFACE/defs.h" #include "PHY_INTERFACE/extern.h" #include "COMMON/mac_rrc_primitives.h" #include "RRC/LITE/extern.h" #include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h" #include "UTIL/LOG/log.h" #include "UTIL/OPT/opt.h" #include "OCG.h" #include "OCG_extern.h" #ifdef PHY_EMUL #include "SIMULATION/simulation_defs.h" #endif #include "SIMULATION/TOOLS/defs.h" // for taus int8_t get_DELTA_PREAMBLE(module_id_t module_idP,int CC_id) { if (CC_id>0) { LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n"); mac_xface->macphy_exit("MAC FATAL CC_id>0"); return 0; // not reached } uint8_t prachConfigIndex = UE_mac_inst[module_idP].radioResourceConfigCommon->prach_Config.prach_ConfigInfo.prach_ConfigIndex; uint8_t preambleformat; if (UE_mac_inst[module_idP].tdd_Config) { // TDD if (prachConfigIndex < 20) { preambleformat = 0; } else if (prachConfigIndex < 30) { preambleformat = 1; } else if (prachConfigIndex < 40) { preambleformat = 2; } else if (prachConfigIndex < 48) { preambleformat = 3; } else { preambleformat = 4; } } else { // FDD preambleformat = prachConfigIndex>>2; } switch (preambleformat) { case 0: case 1: return(0); case 2: case 3: return(-3); case 4: return(8); default: LOG_E(MAC,"[UE %d] ue_procedures.c: FATAL, Illegal preambleformat %d, prachConfigIndex %d\n", module_idP, preambleformat,prachConfigIndex); mac_xface->macphy_exit("MAC get_DELTA_PREAMBLE Illegal preamble format"); return(0); } } /// This routine implements Section 5.1.2 (UE Random Access Resource Selection) from 36.321 void get_prach_resources(module_id_t module_idP, int CC_id, uint8_t eNB_index, uint8_t t_id, uint8_t first_Msg3, RACH_ConfigDedicated_t *rach_ConfigDedicated) { 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; RACH_ConfigCommon_t *rach_ConfigCommon = NULL; uint8_t noGroupB = 0; uint8_t f_id = 0,num_prach=0; int numberOfRA_Preambles; int messageSizeGroupA; int sizeOfRA_PreamblesGroupA; int messagePowerOffsetGroupB; int PLThreshold; if (CC_id>0) { LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n"); mac_xface->macphy_exit("MAC FATAL CC_id>0"); return; } if (UE_mac_inst[module_idP].radioResourceConfigCommon) { rach_ConfigCommon = &UE_mac_inst[module_idP].radioResourceConfigCommon->rach_ConfigCommon; } else { LOG_E(MAC,"[UE %d] FATAL radioResourceConfigCommon is NULL !!!\n",module_idP); mac_xface->macphy_exit("MAC FATAL radioResourceConfigCommon is NULL"); return; // not reached } numberOfRA_Preambles = (1+rach_ConfigCommon->preambleInfo.numberOfRA_Preambles)<<2; if (rach_ConfigDedicated) { // This is for network controlled Mobility, later if (rach_ConfigDedicated->ra_PRACH_MaskIndex != 0) { prach_resources->ra_PreambleIndex = rach_ConfigDedicated->ra_PreambleIndex; prach_resources->ra_RACH_MaskIndex = rach_ConfigDedicated->ra_PRACH_MaskIndex; return; } } if (!rach_ConfigCommon->preambleInfo.preamblesGroupAConfig) { noGroupB = 1; } else { sizeOfRA_PreamblesGroupA = (rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA+1)<<2; switch (rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->messageSizeGroupA) { case 0: messageSizeGroupA = 56; break; case 1: messageSizeGroupA = 144; break; case 2: messageSizeGroupA = 208; break; case 3: messageSizeGroupA = 256; break; } switch (rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->messagePowerOffsetGroupB) { case 0: messagePowerOffsetGroupB = -9999; break; case 1: messagePowerOffsetGroupB = 0; break; case 2: messagePowerOffsetGroupB = 5; break; case 3: messagePowerOffsetGroupB = 8; break; case 4: messagePowerOffsetGroupB = 10; break; case 5: messagePowerOffsetGroupB = 12; break; case 6: messagePowerOffsetGroupB = 15; break; case 7: messagePowerOffsetGroupB = 18; break; } PLThreshold = 0 - get_DELTA_PREAMBLE(module_idP,CC_id) - get_Po_NOMINAL_PUSCH(module_idP,CC_id) - messagePowerOffsetGroupB; // Note Pcmax is set to 0 here, we have to fix this if (sizeOfRA_PreamblesGroupA == numberOfRA_Preambles) { noGroupB = 1; } } if (first_Msg3 == 1) { if (noGroupB == 1) { // use Group A procedure UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex = (taus())%numberOfRA_Preambles; UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0; UE_mac_inst[module_idP].RA_usedGroupA = 1; } else if ((Msg3_size <messageSizeGroupA) || (mac_xface->get_PL(module_idP,0,eNB_index) > PLThreshold)) { // use Group A procedure 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 UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex = sizeOfRA_PreamblesGroupA + (taus())%(numberOfRA_Preambles - sizeOfRA_PreamblesGroupA); UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0; UE_mac_inst[module_idP].RA_usedGroupA = 0; } UE_mac_inst[module_idP].RA_prach_resources.ra_PREAMBLE_RECEIVED_TARGET_POWER = get_Po_NOMINAL_PUSCH(module_idP,CC_id); } else { // Msg3 is being retransmitted if (UE_mac_inst[module_idP].RA_usedGroupA == 1) { if (rach_ConfigCommon->preambleInfo.preamblesGroupAConfig) { UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex = (taus())%rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA; } else { UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex = (taus())&0x3f; } UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0; } else { // FIXME rach_ConfigCommon->preambleInfo.preamblesGroupAConfig may be zero UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex = rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA + (taus())%(rach_ConfigCommon->preambleInfo.numberOfRA_Preambles - rach_ConfigCommon->preambleInfo.preamblesGroupAConfig->sizeOfRA_PreamblesGroupA); UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0; } } // choose random PRACH resource in TDD if (UE_mac_inst[module_idP].tdd_Config) { num_prach = mac_xface->get_num_prach_tdd(mac_xface->lte_frame_parms); if ((num_prach>0) && (num_prach<6)) { UE_mac_inst[module_idP].RA_prach_resources.ra_TDD_map_index = (taus()%num_prach); } f_id = mac_xface->get_fid_prach_tdd(mac_xface->lte_frame_parms, UE_mac_inst[module_idP].RA_prach_resources.ra_TDD_map_index); } // choose RA-RNTI UE_mac_inst[module_idP].RA_prach_resources.ra_RNTI = 1 + t_id + 10*f_id; } void Msg1_tx(module_id_t module_idP,uint8_t CC_id,frame_t frameP, uint8_t eNB_id) { if (CC_id>0) { LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n"); mac_xface->macphy_exit("MAC FATAL CC_id>0"); return; } // start contention resolution timer UE_mac_inst[module_idP].RA_attempt_number++; if (opt_enabled) { trace_pdu(0, NULL, 0, module_idP, 2, UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex, UE_mac_inst[module_idP].subframe, 0, UE_mac_inst[module_idP].RA_attempt_number); LOG_D(OPT,"[UE %d][RAPROC] TX MSG1 Frame %d trace pdu for rnti %x with size %d\n", module_idP, frameP, 1, UE_mac_inst[module_idP].RA_Msg3_size); } } void Msg3_tx(module_id_t module_idP,uint8_t CC_id,frame_t frameP, uint8_t eNB_id) { if (CC_id>0) { LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n"); mac_xface->macphy_exit("MAC FATAL CC_id>0"); return; } // start contention resolution timer LOG_D(MAC,"[UE %d][RAPROC] Frame %d : Msg3_tx: Setting contention resolution timer\n",module_idP,frameP); UE_mac_inst[module_idP].RA_contention_resolution_cnt = 0; UE_mac_inst[module_idP].RA_contention_resolution_timer_active = 1; if (opt_enabled) { // msg3 trace_pdu(0, &UE_mac_inst[module_idP].CCCH_pdu.payload[0], UE_mac_inst[module_idP].RA_Msg3_size, module_idP, 3, UE_mac_inst[module_idP].crnti, UE_mac_inst[module_idP].subframe, 0, 0); LOG_D(OPT,"[UE %d][RAPROC] MSG3 Frame %d trace pdu Preamble %d with size %d\n", module_idP, frameP, UE_mac_inst[module_idP].crnti /*UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex*/, UE_mac_inst[module_idP].RA_Msg3_size); } } 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) { uint8_t Size=0; UE_MODE_t UE_mode = mac_xface->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]; if (CC_id>0) { LOG_E(MAC,"Transmission on secondary CCs is not supported yet\n"); mac_xface->macphy_exit("MAC FATAL CC_id>0"); return 0; // not reached } 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 (Is_rrc_registered == 1) { if (UE_mac_inst[module_idP].RA_active == 0) { LOG_D(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_D(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_D(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) if (rach_ConfigCommon) { 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! } } else { LOG_D(MAC,"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",module_idP,frameP); mac_xface->macphy_exit("MAC rach_ConfigCommon is NULL"); } 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[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,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, (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, eNB_indexP,DCCH,UE_mac_inst[module_idP].scheduling_info.LCGID[DCCH]); //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) if (rach_ConfigCommon) { 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! } } else { LOG_D(MAC,"[UE %d] FATAL Frame %d: rach_ConfigCommon is NULL !!!\n",module_idP,frameP); mac_xface->macphy_exit("MAC rach_ConfigCommon is NULL"); } 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; switch (rach_ConfigCommon->ra_SupervisionInfo.preambleTransMax) { case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n3: preambleTransMax = 3; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n4: preambleTransMax = 4; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n5: preambleTransMax = 5; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n6: preambleTransMax = 6; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n7: preambleTransMax = 7; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n8: preambleTransMax = 8; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n10: preambleTransMax = 10; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n20: preambleTransMax = 20; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n50: preambleTransMax = 50; break; case RACH_ConfigCommon__ra_SupervisionInfo__preambleTransMax_n100: preambleTransMax = 100; break; case RACH_ConfigCommon__ra_SupervisionInfo__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); } } } } else if (UE_mode == PUSCH) { LOG_D(MAC,"[UE %d] FATAL: Should not have checked for RACH in PUSCH yet ...",module_idP); mac_xface->macphy_exit("MAC FATAL: Should not have checked for RACH in PUSCH yet"); } return(NULL); }