ETSI TS 134 123-3 V18.3.0 (2026-03)

Universal Mobile Telecommunications System (UMTS); User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS) (3GPP TS 34.123-3 version 18.3.0 Release 18)

RTS/TSGR-0534123-3vi30

General Information

• Status: Not Published
• Technical Committee: 3GPP RAN 5 - Mobile Terminal Conformance Testing (formely T1)
• Current Stage: 12 - Citation in the OJ (auto-insert)
• Completion Date: 02-Mar-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
Universal Mobile Telecommunications System (UMTS);
User Equipment (UE) conformance specification;
Part 3: Abstract test suite (ATS)
(3GPP TS 34.123-3 version 18.3.0 Release 18)


3GPP TS 34.123-3 version 18.3.0 Release 18 1 ETSI TS 134 123-3 V18.3.0 (2026-03)

Reference
RTS/TSGR-0534123-3vi30
Keywords
UMTS
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ETSI
3GPP TS 34.123-3 version 18.3.0 Release 18 2 ETSI TS 134 123-3 V18.3.0 (2026-03)
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ETSI
3GPP TS 34.123-3 version 18.3.0 Release 18 3 ETSI TS 134 123-3 V18.3.0 (2026-03)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 15
Introduction . 15
1 Scope . 16
2 References . 16
3 Definitions and abbreviations . 19
3.1 Definitions . 19
3.2 Abbreviations . 19
4 Requirements on the TTCN development . 19
5 TTCN-2 ATS structure . 20
5.1 Modularity . 21
5.1.1 Module structure . 21
5.1.2 Contents of the modules . 23
5.1.3 Example of a working platform . 23
6 Test method and testing architecture . 24
6.1 Test method . 24
6.2 TTCN-2 Testing architecture . 25
6.2.1 Lower Tester (LT) . 25
6.2.2 Configuration and initialization . 25
6.2.3 Upper Tester (UT) . 26
6.2.4 TTCN-2 . 26
6.2.5 Model extension . 26
6.2.6 Multiplexing of RLC services . 26
6.3 NAS test method and architecture . 26
6.3.1 Test configuration . 26
6.3.2 Routing UL NAS massages in SS . 27
6.4 RRC and RAB test method and architecture . 28
6.4.1 Test configuration . 28
6.4.2 RAB test method . 29
6.4.2.1 Sending data on the same TTI . 29
6.4.2.2 Sending continuous data on consecutive TTIs . 29
6.5 RLC test method and architecture . 30
6.5.1 Testing architecture. 30
6.5.2 Test method . 31
6.5.2.1 Handling SUFIs in TTCN . 34
6.5.2.2 Void. 35
6.6 SMS test method and architecture . 35
6.6.1 SMS CS test method and architecture. 35
6.6.2 SMS PS test method and architecture . 35
6.6.3 SMS Cell broadcasting test method and architecture. 35
6.7 MAC test method and architecture . 35
6.7.1 Testing architecture. 35
6.7.2 Test method . 36
6.7.2.1 Abnormal decoding situations . 36
6.7.2.2 MAC_es/e test method (Rel-6 or later) . 36
6.7.2.3 MAC_is/i test method (Rel-8 or later) . 37
6.8 BMC test method and architecture . 39
6.8.1 BMC test architecture . 39
6.8.2 BMC test method . 39
6.9 PDCP test . 41
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6.9.1 PDCP test architecture . 41
6.9.2 PDCP test method . 42
6.9.2.1 CS voice over HSPA . 42
6.9.2.2 Network initiated secondary PDP context . 43
6.10 Multi-RAT Handover Test Model . 43
6.10.1 Overview . 43
6.10.2 ASP function description . 44
6.10.2.1 Identities . 44
6.10.2.2 Cell configuration and control. 44
6.10.2.3 L1 (GERAN) configuration and control . 44
6.10.2.3.1 Basic physical channel configuration . 45
6.10.2.3.2 Multislot configuration for circuit or packet switched channels . 45
6.10.2.3.3 Frame in the near future. 46
6.10.2.3.4 L1 header . 46
6.10.2.4 L2 configuration and control . 46
6.10.2.4.1 Don't response to some handover access bursts. 46
6.10.2.4.2 No UA reply to SABM . 46
6.10.2.5 System Information sending. 46
6.10.2.6 Paging . 47
6.10.2.7 Generic procedures for GPRS signalling . 47
6.10.2.7.1 GPRS generic attach procedures and ciphering mode control . 47
6.10.2.7.2 Cell change order within a TBF. 49
6.10.2.8 Generic configuration procedure for GSM ciphering mode control . 50
6.10.2.9 L|H bits convention and bit padding in DL . 51
6.10.2.9.1 GERAN DL RLC/MAC message bit padding . 51
6.10.2.9.2 GSM DL message spare padding . 51
6.10.2.9.3 L | H convention in rest octets of GSM DL messages . 51
6.10.2.9.4 Spare Bits . 51
6.10.2.9.5 GSM System Information messages on SACCH . 51
6.10.2.9.6 GSM Measurement Information messages on SACCH. 52
6.11 DCH-DSCH model (R99 or Rel-4) . 54
6.12 DCH with HS-DSCH (MAC-hs) model (FDD, Rel-5 or later) . 55
6.12a DCH with HS-DSCH model for 1.28 Mcps TDD (Rel-5 or later) . 56
6.12b DCH with HS-DSCH (MAC-ehs) model (FDD, Rel-7 or later) . 57
6.12c HS-DSCH (MAC-hs/ehs) model (FDD, Rel-7 or later)(No DCH Associated) . 58
6.12d HS-DSCH (MAC-ehs) model for DC/4C -HSDPA (FDD, Rel-8 or later) . 59
6.12e HS-DSCH (MAC-ehs) model for Multiflow Operation (FDD, Rel-11 or later) . 60
6.13 E-DCH model (Rel-6 or later) . 62
6.13.1 MAC-e/MAC-es test model . 62
6.13.2 MAC-i/MAC-is test model (Rel-8 or later) . 64
6.13.2.1 MAC-i/MAC-is test model for Enhanced UL in Cell_FACH (Rel-8 or later) . 65
6.13.2.2 MAC-i/MAC-is test model for DC-HSUPA (Rel-9 or later) . 65
6.14 MBMS model (Rel-6 or later) . 66
6.14.1 MBMS RLC test model . 69
6.14.1.1 RLC test model for MTCH test . 69
6.14.1.2 RLC test model for MCCH test. 69
6.15 IP signalling. 69
6.16 Supplementary Service test method and architecture . 69
6.16.1 Test configuration . 69
6.17 UTRAN-WLAN Inter working Test Model . 69
6A TTCN-3 Test method and testing architecture . 70
6A.1 Test system architecture . 70
6A.1.1 General system architecture . 70
6A.1.2 Component architecture . 70
6A.2 Test model . 70
6A.3 ASP specifications . 71
6A.3.1 ASPs for Control Primitive Transmission . 71
6A.3.1.1 FDD Control ASP extension types . 74
6A.3.1.1.1 CPHY_RL_Setup extension . 74
6A.3.1.1.1a CPHY_RL_Modify extension . 78
6A.3.1.1.2 CMAC_MACehs_HARQAssign_MultiFlows extension . 78
ETSI
3GPP TS 34.123-3 version 18.3.0 Release 18 5 ETSI TS 134 123-3 V18.3.0 (2026-03)
6A.3.1.1.3 CMAC_MAChs_MACehs_TFRCconfigure extension . 78
6A.3.1.1.4 CRLC_BindTestDataInMultipleMACehs_PDU_MultiFlows extension. 80
6A.3.1.1.5 CMAC_Config . 81
6A.3.1.1.6 CRLC_Config . 82
6A.3.1.2 TDD Control ASP extension types . 82
6A.3.1.3 FDD and TDD Control ASP types . 83
6A.3.1.3.1 CPHY_HS_DPCCH_CQI_MultiCell (Rel-10 or later) . 83
6A.3.1.3.2 CPHY_MeasurementConfig . 84
6A.3.1.3.3 CMAC_ConfigMACehs_NodeB (Rel-11 or later) . 84
6A.3.1.3.4 CMAC_MACehs_NodeB_CellMapping (Rel-11 or later) . 85
6A.3.1.3.5 CMAC_MACehs_HARQAssign_NodeB (Rel-11 or later) . 85
6A.3.1.3.6 CRLC_BindTestDataInMultipleMACehs_PDU_NodeB (Rel-11 or later) . 86
6A.3.1.3.7 CPHY_AICH_NegAckModeSet (Rel-11 or later) . 87
6A.3.2 ASPs for Data Transmission and Reception . 87
6A.4 Upper Tester Interface . 88
6A.5 IXIT Proforma . 88
7 PCO and ASP definitions . 88
7.1 NAS PCO and ASP definitions . 88
7.1.1 NAS PCO Definitions . 88
7.1.2 Primitives used at Dc PCO . 89
7.2 Ut PCO and ASP definitions . 90
7.2.1 Ut PCO Declarations . 90
7.2.2 Primitives used at Ut PCO . 90
7.3 RRC PCO and ASP definitions . 91
7.3.1 AM/UM/TM PCO and ASP definitions. 91
7.3.1.1 SAP and PCO for data transmission and reception . 91
7.3.2 Control PCO and ASP . 92
7.3.2.1 SAP and PCO for control primitives transmission and reception . 92
7.3.2.2 Control ASP Type Definition . 93
7.3.2.2.1 CPHY_AICH_AckModeSet . 93
7.3.2.2.2 CPHY_Cell_Config . 94
7.3.2.2.3 CPHY_Cell_Release . 95
7.3.2.2.3a CPHY_Cell_TimingAdjust . 95
7.3.2.2.3b CPHY_Detect_TFCI . 96
7.3.2.2.4 CPHY_Ini . 97
7.3.2.2.5 CPHY_Cell_TxPower_Modify . 97
7.3.2.2.6 CPHY_Frame_Number . 97
7.3.2.2.6a CPHY_SFN (Rel-6 or later) . 98
7.3.2.2.6b CPHY_MBMS_MICH_q (Rel-6 or later) . 98
7.3.2.2.6c CPHY_MBMS_NI (Rel-6 or later) . 101
7.3.2.2.7 CPHY_Out_of_Sync . 102
7.3.2.2.8 CPHY_PRACH_Measurement . 103
7.3.2.2.9 CPHY_RL_Modify . 104
7.3.2.2.10 CPHY_RL_Release . 105
7.3.2.2.11 CPHY_RL_Setup . 105
7.3.2.2.12 CPHY_Sync . 119
7.3.2.2.12a CPHY_HS_DPCCH_AckNack (Rel-5 or later) . 119
7.3.2.2.12b CPHY_HS_DPCCH_CQI (Rel-5 or later) . 120
7.3.2.2.12b1 CPHY_HS_DPCCH_CQI_DC (Rel-8 or later) . 121
7.3.2.2.12c CPHY_HS_DSCH_CRC_Mode (Rel-5 or later) . 122
7.3.2.2.13 CPHY_TrCH_Config . 122
7.3.2.2.14a CPHY_UL_PowerModify . 128
7.3.2.2.14 CPHY_TrCH_Release . 128
7.3.2.2.15 CMAC_BMC_Scheduling. 129
7.3.2.2.16 CMAC_Ciphering_Activate . 130
7.3.2.2.16a CMAC_FACH_MeasOccas . 130
7.3.2.2.17 CMAC_Config . 131
7.3.2.2.17a CMAC_MAChs_MACehs_TFRCconfigure (Rel-5 or later) . 136
7.3.2.2.17a0 CMAC_MAChs_MACehs_HARQprocAssign . 138
7.3.2.2.17a1 CMAC_MACehs_HARQAssign_MultiFlows (Rel-7 or later) . 139
7.3.2.2.17aa CMAC _MACehs_HS_SCCH_Orders (Rel-7 or later) . 140
ETSI
3GPP TS 34.123-3 version 18.3.0 Release 18 6 ETSI TS 134 123-3 V18.3.0 (2026-03)
7.3.2.2.17b CMAC_MACe_Config (Rel-6 or later) . 140
7.3.2.2.17c CMAC_MACe_NodeB_CellMapping (Rel-6 or later) . 141
7.3.2.2.17d CMAC_MACes_Config (Rel-6 or later) . 142
7.3.2.2.17e CMAC_MACe_AG (Rel-6 or later) . 143
7.3.2.2.17f CMAC_MACe_AckNack (Rel-6 or later) . 143
7.3.2.2.17g CMAC_MACe_E_TFC_Restriction (Rel-6 or later). 144
7.3.2.2.17h CMAC_MACe_RG (Rel-6 or later) . 145
7.3.2.2.17ha Void . 145
7.3.2.2.17i CMAC_MACes_SI_IND (Rel-6 or later). 145
7.3.2.2.17j CMAC_MACes_SI_Config (Rel-6 or later). 145
7.3.2.2.17k CMAC_MACi_Config (Rel-8 or later) . 146
7.3.2.2.17l CMAC_MACi_NodeB_CellMapping (Rel-8 or later) . 147
7.3.2.2.17m CMAC_MACis_Config (Rel-8 or later) . 147
7.3.2.2.17n CMAC_MACi_AG (Rel-8 or later). 149
7.3.2.2.17o CMAC_MACi_AckNack (Rel-8 or later) . 149
7.3.2.2.17p CMAC_MACi_E_TFC_Restriction (Rel-8 or later) . 150
7.3.2.2.17q CMAC_MACi_RG (Rel-8 or later) . 150
7.3.2.2.17r Void . 151
7.3.2.2.17s CMAC_MACis_SI_IND . 151
7.3.2.2.17t CMAC_MACis_SI_Config (Rel-8 or later) . 151
7.3.2.2.17u CMAC_MBMS_ConfigInfo (Rel-6 or later) . 152
7.3.2.2.18 CMAC_PAGING_Config . 152
7.3.2.2.19 CMAC_Restriction . 153
7.3.2.2.20 CMAC_SecurityMode_Config . 154
7.3.2.2.21 CMAC_SequenceNumber . 154
7.3.2.2.22 CMAC_SYSINFO_Config . 155
7.3.2.2.22a CRLC_Bind_TestData_TTI . 155
7.3.2.2.22b CRLC_BindTestDataInOneMAChs_MACehs_PDU (Rel-5 or later) . 156
7.3.2.2.22c CRLC_BindTestDataInMultipleMACehs_PDU_MultiFlows (Rel-7 or later) . 156
7.3.2.2.23 CRLC_Ciphering_Activate . 157
7.3.2.2.24 CRLC_Config . 158
7.3.2.2.25 CRLC_Integrity_Activate . 160
7.3.2.2.26 CRLC_Integrity_Failure . 161
7.3.2.2.26a CRLC_MAC_I_Mode . 162
7.3.2.2.26b CRLC_NotAckNxtRxSDU . 162
7.3.2.2.26c CRLC_ProhibitRLC_Ack . 163
7.3.2.2.26d CRLC_ReportDataReceivedCellId (Rel-9 or later) . 163
7.3.2.2.27 CRLC_Resume . 164
7.3.2.2.27a CRLC_RRC_MessageSN . 164
7.3.2.2.28 CRLC_SecurityMode_Config . 165
7.3.2.2.28a CRLC_SetRRC_MessageSN . 165
7.3.2.2.28b CRLC_Set_Count_I . 166
7.3.2.2.29 CRLC_SequenceNumber . 166
7.3.2.2.29a CRLC_SendContinuousData_TTI . 167
7.3.2.2.30 CRLC_Status . 168
7.3.2.2.31 CRLC_Suspend . 168
7.3.2.2.31a CRLC_MTCH_Scheduling (Rel-6 or later) . 169
7.3.2.2.32 CBMC_Config . 170
7.3.2.2.32b DEC_PERbitstring . 170
7.3.2.2.32c ENC_PERbitstring . 171
7.3.2.2.33 RLC_TR_DATA . 171
7.3.2.2.34 RLC_AM_DATA . 172
7.3.2.2.34a RLC_UM_ACCESSinfo (Rel-6 or later) . 173
7.3.2.2.34b RLC_UM_CriticalMCCHMsg (Rel-6 or later) . 174
7.3.2.2.34c RLC_TR_SeqOfRlcPdus . 174
7.3.2.2.35 RLC_UM_DATA . 175
7.3.2.2.35a RLC_UM_MSCH_Msg (Rel-6 or later) . 175
7.3.2.2.36 RLC_TR_MACesDATA_IND (Rel-6 or later) . 176
7.3.2.2.36a RLC_TR_MACisDATA_IND (Rel-8 or later). 177
7.3.2.2.36b RLC_TR_MACisDATA_ExtTSN_IND (Rel-9 or later) . 178
7.3.2.3 Specific ASP and IE definitions for 1.28 Mcps TDD (Rel-4 or later) . 178
7.3.2.3.1 Specific ASP definitions . 178
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7.3.2.3.2 Specific IE definitions . 188
7.3.3 TTCN primitives . 204
7.3.3.1 UTRAN TTCN primitives . 204
7.3.4 GERAN PCO and ASP definitions . 206
7.3.4.1 PCO Type definitions . 206
7.3.4.1.1 PCO type for data transmission and reception in GERAN . 206
7.3.4.1.2 PCO type for configuration and control in GERAN . 206
7.3.4.2 PCO definitions . 206
7.3.4.2.1 PCOs for data transmission and reception in GERAN . 206
7.3.4.2.2 PCOs for control primitives transmission and reception in GERAN . 207
7.3.4.3 GERAN ASP Definitions . 208
7.3.4.3.1 ASPs for data transmission and reception in GERAN. 208
7.3.4.3.2 ASPs for control primitive transmission and reception in GERAN . 217
7.3.5 A-GPS Upper tester, PCO and ASP definitions. 228
7.3.5.1 Upper tester . 228
7.3.5.2 SV PCO . 228
7.3.5.3 A-GPS Primitives . 228
7.3.5.3.1 Control ASP Type Definition . 229
7.3.5.3.2 Data ASP Type Definition . 229
7.3.6 ROHC test m
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