Fixes to get handovers in FDD working

executables/nr-ue.c

@@ -849,6 +849,11 @@ void *UE_thread(void *arg)
             UE->rx_offset_comp = 0;
             UE->timing_advance += ta_shift;
           }
+          // Reset target_Nid_cell for next handover
+          UE->target_Nid_cell = -1;
+          // Still unknown why need to reset timing_advance in RFsim to avoid:
+          // Received RAR preamble (38) doesn't match the intended RAPID (37)
+          UE->timing_advance = 0;
           decoded_frame_rx = mac->mib_frame;
           LOG_I(PHY,"UE synchronized decoded_frame_rx=%d UE->init_sync_frame=%d trashed_frames=%d\n",
                 decoded_frame_rx,

openair2/LAYER2/NR_MAC_UE/config_ue.c

@@ -833,10 +833,13 @@ void nr_rrc_mac_config_req_mcg(module_id_t module_id,
       mac->if_module->phy_config_request(&mac->phy_config);
       mac->phy_config_request_sent = true;
     }
+  }
+  configure_current_BWP(mac, NULL, cell_group_config);
+
+  if (cell_group_config->spCellConfig && cell_group_config->spCellConfig->reconfigurationWithSync) {
     // Setup the SSB to Rach Occasions mapping according to the config
     build_ssb_to_ro_map(mac);
   }
-  configure_current_BWP(mac, NULL, cell_group_config);
 }
 
 void nr_rrc_mac_config_req_scg(module_id_t module_id,

targets/PROJECTS/GENERIC-NR-5GC/CONF/5g-leo_du0.conf

+Active_gNBs = ("gNB-DU-PCI0");
+# Asn1_verbosity, choice in: none, info, annoying
+Asn1_verbosity = "none";
+
+sa = 1;
+
+gNBs = ({
+
+    # Identification parameters:
+    gNB_CU_ID = 0xe00;
+    gNB_name = "gNB-DU-PCI0";
+
+    # Tracking area code, 0x0000 and 0xfffe are reserved values
+    tracking_area_code  =  1;
+    plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1; }) });
+
+    nr_cellid = 12345678L;
+
+    # Physical parameters:
+
+    min_rxtxtime                                                    = 6;
+    do_CSIRS                                                        = 1;
+    sib1_tda                                                        = 1;
+
+
+    servingCellConfigCommon = ({
+
+        # spCellConfigCommon
+        physCellId                                                  = 0;
+
+        # downlinkConfigCommon
+        # frequencyInfoDL
+        # this is 3600 MHz + 43 PRBs@30kHz SCS (same as initial BWP)
+        absoluteFrequencySSB                                             = 423130;
+        dl_frequencyBand                                                 = 66;
+        # this is 3600 MHz
+        dl_absoluteFrequencyPointA                                       = 422194;
+        # scs-SpecificCarrierList
+        dl_offstToCarrier                                           = 0;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        dl_subcarrierSpacing                                        = 0;
+        dl_carrierBandwidth                                         = 25;
+        # initialDownlinkBWP
+        # genericParameters
+        # this is RBstart=27,L=48 (275*(L-1))+RBstart
+        initialDLBWPlocationAndBandwidth                            = 6600; # 6366 12925 12956 28875 12952
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        initialDLBWPsubcarrierSpacing                               = 0;
+        # pdcch-ConfigCommon
+        initialDLBWPcontrolResourceSetZero                          = 7;
+        initialDLBWPsearchSpaceZero                                 = 0;
+
+        # uplinkConfigCommon
+        # frequencyInfoUL
+        ul_frequencyBand                                            = 66;
+        # this is 1750 MHz
+        ul_absoluteFrequencyPointA                                  = 342194;
+        # scs-SpecificCarrierList
+        ul_offstToCarrier                                           = 0;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        ul_subcarrierSpacing                                        = 0;
+        ul_carrierBandwidth                                         = 25;
+        pMax                                                        = 20;
+        # initialUplinkBWP
+        # genericParameters
+        initialULBWPlocationAndBandwidth                            = 6600;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        initialULBWPsubcarrierSpacing                               = 0;
+
+        # rach-ConfigCommon
+        # rach-ConfigGeneric
+        prach_ConfigurationIndex                                    = 98;
+        # prach_msg1_FDM
+        # 0 = one, 1=two, 2=four, 3=eight
+        prach_msg1_FDM                                              = 0;
+        prach_msg1_FrequencyStart                                   = 0;
+        zeroCorrelationZoneConfig                                   = 13;
+        preambleReceivedTargetPower                                 = -96;
+        # preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200)
+        preambleTransMax                                            = 6;
+        # powerRampingStep
+        # 0=dB0,1=dB2,2=dB4,3=dB6
+        powerRampingStep                                            = 1;
+        # ra_ReponseWindow
+        # 1,2,4,8,10,20,40,80
+        ra_ResponseWindow                                           = 4;
+        # ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR
+        # 1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR                = 4;
+        # oneHalf (0..15) 4,8,12,16,...60,64
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB                   = 14;
+        # ra_ContentionResolutionTimer
+        # (0..7) 8,16,24,32,40,48,56,64
+        ra_ContentionResolutionTimer                                = 7;
+        rsrp_ThresholdSSB                                           = 19;
+        # prach-RootSequenceIndex_PR
+        # 1 = 839, 2 = 139
+        prach_RootSequenceIndex_PR                                  = 2;
+        prach_RootSequenceIndex                                     = 1;
+        # SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex
+        msg1_SubcarrierSpacing                                      = 0;
+        # restrictedSetConfig
+        # 0=unrestricted, 1=restricted type A, 2=restricted type B
+        restrictedSetConfig                                         = 0,
+        msg3_DeltaPreamble                                          = 1;
+        p0_NominalWithGrant                                         =-90;
+
+        # pucch-ConfigCommon setup :
+        # pucchGroupHopping
+        # 0 = neither, 1= group hopping, 2=sequence hopping
+        pucchGroupHopping                                           = 0;
+        hoppingId                                                   = 40;
+        p0_nominal                                                  = -90;
+
+        # ssb_PositionsInBurs_BitmapPR
+        # 1=short, 2=medium, 3=long
+        ssb_PositionsInBurst_PR                                     = 2;
+        ssb_PositionsInBurst_Bitmap                                 = 1;
+
+        # ssb_periodicityServingCell
+        # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1
+        ssb_periodicityServingCell                                  = 2;
+
+        # dmrs_TypeA_position
+        # 0 = pos2, 1 = pos3
+        dmrs_TypeA_Position                                         = 0;
+
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        subcarrierSpacing                                           = 0;
+
+        # tdd-UL-DL-ConfigurationCommon
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        referenceSubcarrierSpacing                                  = 0;
+
+        # pattern1
+        # dl_UL_TransmissionPeriodicity
+        # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
+        dl_UL_TransmissionPeriodicity                               = 6;
+        nrofDownlinkSlots                                           = 7;
+        nrofDownlinkSymbols                                         = 6;
+        nrofUplinkSlots                                             = 2;
+        nrofUplinkSymbols                                           = 4;
+
+        ssPBCH_BlockPower                                           = -25;
+    });
+
+    # SCTP definitions
+    SCTP :
+    {
+        # Number of streams to use in input/output
+        SCTP_INSTREAMS  = 2;
+        SCTP_OUTSTREAMS = 2;
+    }
+});
+
+MACRLCs = ({
+    num_cc              = 1;
+    tr_s_preference     = "local_L1";
+    tr_n_preference     = "f1";
+    local_n_if_name     = "lo";
+    local_n_address     = "127.0.0.3";
+    remote_n_address    = "127.0.0.4";
+    local_n_portc       = 500;
+    local_n_portd       = 2152;
+    remote_n_portc      = 501;
+    remote_n_portd      = 2152;
+});
+
+L1s = ({
+    num_cc = 1;
+    tr_n_preference         = "local_mac";
+    prach_dtx_threshold     = 300;
+    pucch0_dtx_threshold    = 150;
+    ofdm_offset_divisor     = 8; #set this to UINT_MAX for offset 0
+});
+
+RUs = ({
+    local_rf        = "yes"
+    nb_tx           = 1
+    nb_rx           = 1
+    att_tx          = 0
+    att_rx          = 0;
+    bands           = [66];
+    max_pdschReferenceSignalPower = -27;
+    max_rxgain                    = 114;
+    eNB_instances   = [0];
+    #beamforming 1x4 matrix:
+    bf_weights      = [0x00007fff, 0x0000, 0x0000, 0x0000];
+    clock_src       = "internal";
+});
+
+THREAD_STRUCT = ({
+    #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+    parallel_config    = "PARALLEL_SINGLE_THREAD";
+    #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+    worker_config      = "WORKER_ENABLE";
+});
+
+rfsimulator: {
+    serveraddr  = "server";
+    serverport  = "4043";
+    options     = (); #("saviq"); or/and "chanmod"
+    modelname   = "AWGN";
+    IQfile      = "/tmp/rfsimulator.iqs";
+}
+
+log_config :
+{
+    global_log_level                      ="info";
+    hw_log_level                          ="info";
+    phy_log_level                         ="info";
+    mac_log_level                         ="info";
+    rlc_log_level                         ="info";
+    pdcp_log_level                        ="info";
+    rrc_log_level                         ="info";
+    f1ap_log_level                        ="debug";
+    ngap_log_level                        ="debug";
+}

targets/PROJECTS/GENERIC-NR-5GC/CONF/5g-leo_du1.conf

+Active_gNBs = ("gNB-DU-PCI1");
+# Asn1_verbosity, choice in: none, info, annoying
+Asn1_verbosity = "none";
+
+sa = 1;
+
+gNBs = ({
+
+    # Identification parameters:
+    gNB_CU_ID = 0xe00;
+    gNB_name = "gNB-DU-PCI1";
+
+    # Tracking area code, 0x0000 and 0xfffe are reserved values
+    tracking_area_code  =  1;
+    plmn_list = ({ mcc = 001; mnc = 01; mnc_length = 2; snssaiList = ({ sst = 1; }) });
+
+    nr_cellid = 11111111L;
+
+    # Physical parameters:
+
+    min_rxtxtime                                                    = 6;
+    do_CSIRS                                                        = 1;
+    sib1_tda                                                        = 1;
+
+
+    servingCellConfigCommon = ({
+
+        # spCellConfigCommon
+        physCellId                                                  = 1;
+
+        # downlinkConfigCommon
+        # frequencyInfoDL
+        # this is 3600 MHz + 43 PRBs@30kHz SCS (same as initial BWP)
+        absoluteFrequencySSB                                             = 425090; # 423130;
+        dl_frequencyBand                                                 = 66;
+        # this is 3600 MHz
+        dl_absoluteFrequencyPointA                                       = 424154;
+        # scs-SpecificCarrierList
+        dl_offstToCarrier                                           = 0;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        dl_subcarrierSpacing                                        = 0;
+        dl_carrierBandwidth                                         = 25;
+        # initialDownlinkBWP
+        # genericParameters
+        # this is RBstart=27,L=48 (275*(L-1))+RBstart
+        initialDLBWPlocationAndBandwidth                            = 6600; # 6366 12925 12956 28875 12952
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        initialDLBWPsubcarrierSpacing                               = 0;
+        # pdcch-ConfigCommon
+        initialDLBWPcontrolResourceSetZero                          = 7;
+        initialDLBWPsearchSpaceZero                                 = 0;
+
+        # uplinkConfigCommon
+        # frequencyInfoUL
+        ul_frequencyBand                                            = 66;
+        # this is 1750 MHz
+        ul_absoluteFrequencyPointA                                  = 344154;
+        # scs-SpecificCarrierList
+        ul_offstToCarrier                                           = 0;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        ul_subcarrierSpacing                                        = 0;
+        ul_carrierBandwidth                                         = 25;
+        pMax                                                        = 20;
+        # initialUplinkBWP
+        # genericParameters
+        initialULBWPlocationAndBandwidth                            = 6600;
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        initialULBWPsubcarrierSpacing                               = 0;
+
+        # rach-ConfigCommon
+        # rach-ConfigGeneric
+        prach_ConfigurationIndex                                    = 97;
+        # prach_msg1_FDM
+        # 0 = one, 1=two, 2=four, 3=eight
+        prach_msg1_FDM                                              = 0;
+        prach_msg1_FrequencyStart                                   = 0;
+        zeroCorrelationZoneConfig                                   = 13;
+        preambleReceivedTargetPower                                 = -96;
+        # preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200)
+        preambleTransMax                                            = 6;
+        # powerRampingStep
+        # 0=dB0,1=dB2,2=dB4,3=dB6
+        powerRampingStep                                            = 1;
+        # ra_ReponseWindow
+        # 1,2,4,8,10,20,40,80
+        ra_ResponseWindow                                           = 4;
+        # ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR
+        # 1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR                = 4;
+        # oneHalf (0..15) 4,8,12,16,...60,64
+        ssb_perRACH_OccasionAndCB_PreamblesPerSSB                   = 14;
+        # ra_ContentionResolutionTimer
+        # (0..7) 8,16,24,32,40,48,56,64
+        ra_ContentionResolutionTimer                                = 7;
+        rsrp_ThresholdSSB                                           = 19;
+        # prach-RootSequenceIndex_PR
+        # 1 = 839, 2 = 139
+        prach_RootSequenceIndex_PR                                  = 2;
+        prach_RootSequenceIndex                                     = 1;
+        # SCS for msg1, can only be 15 for 30 kHz < 6 GHz, takes precendence over the one derived from prach-ConfigIndex
+        msg1_SubcarrierSpacing                                      = 0;
+        # restrictedSetConfig
+        # 0=unrestricted, 1=restricted type A, 2=restricted type B
+        restrictedSetConfig                                         = 0,
+        msg3_DeltaPreamble                                          = 1;
+        p0_NominalWithGrant                                         =-90;
+
+        # pucch-ConfigCommon setup :
+        # pucchGroupHopping
+        # 0 = neither, 1= group hopping, 2=sequence hopping
+        pucchGroupHopping                                           = 0;
+        hoppingId                                                   = 40;
+        p0_nominal                                                  = -90;
+
+        # ssb_PositionsInBurs_BitmapPR
+        # 1=short, 2=medium, 3=long
+        ssb_PositionsInBurst_PR                                     = 2;
+        ssb_PositionsInBurst_Bitmap                                 = 2;
+
+        # ssb_periodicityServingCell
+        # 0 = ms5, 1=ms10, 2=ms20, 3=ms40, 4=ms80, 5=ms160, 6=spare2, 7=spare1
+        ssb_periodicityServingCell                                  = 2;
+
+        # dmrs_TypeA_position
+        # 0 = pos2, 1 = pos3
+        dmrs_TypeA_Position                                         = 0;
+
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        subcarrierSpacing                                           = 0;
+
+        # tdd-UL-DL-ConfigurationCommon
+        # subcarrierSpacing
+        # 0=kHz15, 1=kHz30, 2=kHz60, 3=kHz120
+        referenceSubcarrierSpacing                                  = 0;
+
+        # pattern1
+        # dl_UL_TransmissionPeriodicity
+        # 0=ms0p5, 1=ms0p625, 2=ms1, 3=ms1p25, 4=ms2, 5=ms2p5, 6=ms5, 7=ms10
+        dl_UL_TransmissionPeriodicity                               = 6;
+        nrofDownlinkSlots                                           = 7;
+        nrofDownlinkSymbols                                         = 6;
+        nrofUplinkSlots                                             = 2;
+        nrofUplinkSymbols                                           = 4;
+
+        ssPBCH_BlockPower                                           = -25;
+    });
+
+    # SCTP definitions
+    SCTP :
+    {
+        # Number of streams to use in input/output
+        SCTP_INSTREAMS  = 2;
+        SCTP_OUTSTREAMS = 2;
+    }
+});
+
+MACRLCs = ({
+    num_cc              = 1;
+    tr_s_preference     = "local_L1";
+    tr_n_preference     = "f1";
+    local_n_if_name     = "lo";
+    local_n_address     = "127.0.0.5";
+    remote_n_address    = "127.0.0.6";
+    local_n_portc       = 500;
+    local_n_portd       = 2152;
+    remote_n_portc      = 501;
+    remote_n_portd      = 2152;
+});
+
+L1s = ({
+    num_cc = 1;
+    tr_n_preference         = "local_mac";
+    prach_dtx_threshold     = 300;
+    pucch0_dtx_threshold    = 150;
+    ofdm_offset_divisor     = 8; #set this to UINT_MAX for offset 0
+});
+
+RUs = ({
+    local_rf        = "yes"
+    nb_tx           = 1
+    nb_rx           = 1
+    att_tx          = 0
+    att_rx          = 0;
+    bands           = [66];
+    max_pdschReferenceSignalPower = -27;
+    max_rxgain                    = 114;
+    eNB_instances   = [0];
+    #beamforming 1x4 matrix:
+    bf_weights      = [0x00007fff, 0x0000, 0x0000, 0x0000];
+    clock_src       = "internal";
+});
+
+THREAD_STRUCT = ({
+    #three config for level of parallelism "PARALLEL_SINGLE_THREAD", "PARALLEL_RU_L1_SPLIT", or "PARALLEL_RU_L1_TRX_SPLIT"
+    parallel_config    = "PARALLEL_SINGLE_THREAD";
+    #two option for worker "WORKER_DISABLE" or "WORKER_ENABLE"
+    worker_config      = "WORKER_ENABLE";
+});
+
+rfsimulator: {
+    serveraddr  = "server";
+    serverport  = "4043";
+    options     = (); #("saviq"); or/and "chanmod"
+    modelname   = "AWGN";
+    IQfile      = "/tmp/rfsimulator.iqs";
+}
+
+log_config :
+{
+    global_log_level                      ="info";
+    hw_log_level                          ="info";
+    phy_log_level                         ="info";
+    mac_log_level                         ="info";
+    rlc_log_level                         ="info";
+    pdcp_log_level                        ="info";
+    rrc_log_level                         ="info";
+    f1ap_log_level                        ="debug";
+    ngap_log_level                        ="debug";
+}