Release ledger
Canonical Atlas record
TS 36.321
Evolved Universal Terrestrial Radio Access (E-UTRA); Medium Access Control (MAC) protocol specification
Responsible WGR2
StatusUnder change control
Initial releaseRel-8
Selected releaseRel-14
Latest indexed version19.3.0
Series36
TypeTS
Release evolution
Compare evidence between releases
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-14 snapshot
Work affecting this release
405 indexed Change Requests · 15 connected Work Items.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 60 of 126 indexed versions.
19.3.0Rel-19RAN#1122026-06-28
19.2.0Rel-19RAN#1112026-03-23
19.1.0Rel-19RAN#1102026-01-15
19.0.0Rel-19RAN#1092025-10-09
18.5.0Rel-18RAN#1092025-10-07
18.4.0Rel-18RAN#1072025-03-21
18.3.0Rel-18RAN#1052024-09-26
18.2.0Rel-18RAN#1042024-07-12
18.1.0Rel-18RAN#1032024-04-02
18.0.0Rel-18RAN#1022024-01-12
17.7.0Rel-17RAN#1022024-01-12
16.9.0Rel-16RAN#1022024-01-12
17.6.0Rel-17RAN#1012023-09-26
17.5.0Rel-17RAN#1002023-06-30
17.4.0Rel-17RAN#992023-03-29
17.3.0Rel-17RAN#98-e2023-01-13
17.2.0Rel-17RAN#97-e2022-10-03
17.1.0Rel-17RAN#962022-07-17
16.8.0Rel-16RAN#962022-07-17
17.0.0Rel-17RAN#95-e2022-04-19
16.7.0Rel-16RAN#95-e2022-04-15
16.6.0Rel-16RAN#93-e2021-09-27
16.5.0Rel-16RAN#92-e2021-07-07
16.4.0Rel-16RAN#91-e2021-03-29
16.3.0Rel-16RAN#90-e2021-01-06
15.11.0Rel-15RAN#90-e2021-01-06
16.2.0Rel-16RAN#89-e2020-10-02
15.10.0Rel-15RAN#89-e2020-10-02
14.13.0Rel-14RAN#89-e2020-10-02
16.1.0Rel-16RAN#88-e2020-07-24
15.9.0Rel-15RAN#88-e2020-07-24
16.0.0Rel-16RAN#87-e2020-04-08
15.8.0Rel-15RAN#862020-01-07
14.12.0Rel-14RAN#862020-01-07
15.7.0Rel-15RAN#852019-09-26
15.6.0Rel-15RAN#842019-06-27
14.11.0Rel-14RAN#842019-06-27
15.5.0Rel-15RAN#832019-04-11
14.10.0Rel-14RAN#832019-04-11
15.4.0Rel-15RAN#822019-01-13
14.9.0Rel-14RAN#822019-01-11
15.3.0Rel-15RAN#812018-10-01
14.8.0Rel-14RAN#812018-09-28
15.2.0Rel-15RAN#802018-07-06
14.7.0Rel-14RAN#802018-07-06
13.9.0Rel-13RAN#802018-07-06
15.1.0Rel-15RAN#792018-04-02
14.6.0Rel-14RAN#792018-04-02
13.8.0Rel-13RAN#792018-04-02
15.0.0Rel-15RAN#782018-01-07
14.5.0Rel-14RAN#782018-01-07
14.4.0Rel-14RAN#772017-09-25
13.7.0Rel-13RAN#772017-09-25
12.10.0Rel-12RAN#772017-09-25
14.3.0Rel-14RAN#762017-06-23
13.6.0Rel-13RAN#762017-06-23
14.2.1Rel-14RAN#752017-04-27
14.2.0Rel-14RAN#752017-03-22
13.5.0Rel-13RAN#752017-03-21
14.1.0Rel-14RAN#742016-12-30
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 36.321
MIMO
Rel-7officialMultiple-Input Multiple-Output (MIMO) antennas
LTE
Rel-8officialRel-8 LTE 3G Long Term Evolution - Evolved Packet System RAN part
LTE-L23
Rel-8officialLTE Radio Interface Layer 2 and 3 Protocol Aspect
LTEimp-eDL
Rel-9officialEnhanced Dual-Layer transmission for LTE
MBMS_LTE
Rel-9officialMBMS support in LTE
TEI9
Rel-9parsed(Small) Technical Enhancements and Improvements for Rel-9
LTE_CA
Rel-10officialCarrier Aggregation for LTE
LTE_CA-Core
Rel-10officialCore part: Carrier Aggregation for LTE
LTE_CA-Perf
Rel-10officialPerf. part: Carrier Aggregation for LTE
LTE_LATRED-Core
Rel-10officialDeleted - Core part: Latency reductions for LTE
LTE_Relay-Core
Rel-10officialCore part: Relays for LTE
LTE_UL_MIMO
Rel-10officialUplink Multiple Antenna Transmission for LTE
LTE_UL_MIMO-Core
Rel-10officialCore part: UL multiple antenna transmission for LTE
LTE_eDL_MIMO
Rel-10officialEnhanced Downlink Multiple Antenna Transmission for LTE
LTE_eDL_MIMO-Core
Rel-10officialCore part: Enhanced Downlink Multiple Antenna Transmission for LTE
MBMS_LTE_enh-Core
Rel-10officialCore part: Further enhancements to MBMS for LTE
TEI10
Rel-10parsed(Small) Technical Enhancements and Improvements for Rel-10
eICIC_LTE-Core
Rel-10officialCore part: Enhanced Inter-Cell Interference Control (ICIC) for non-Carrier Aggregation (CA) based deployments of heterogeneous networks for LTE
COMP_LTE_DL-Core
Rel-11officialCore part: Coordinated Multi-Point Operation for LTE Downlink
COMP_LTE_UL-Core
Rel-11officialCore part: Coordinated Multi-Point Operation for LTE Uplink
LTE_CA_enh
Rel-11officialLTE Carrier Aggregation Enhancements
LTE_CA_enh-Core
Rel-11officialCore part: LTE Carrier Aggregation Enhancements
LTE_eDDA-Core
Rel-11officialCore part: LTE RAN Enhancements for Diverse Data Applications
LTE_enh_dl_ctrl-Core
Rel-11parsedCore part: Enhanced downlink control channel(s) for LTE Advanced
MBMS_LTE_SC-Core
Rel-11officialCore part: Service continuity improvements for MBMS for LTE
SPIA_IDC_LTE-Core
Rel-11officialCore part: Signalling and Procedure for Interference Avoidance for in-device coexistence
TEI11
Rel-11parsed(Small) Technical Enhancements and Improvements for Rel-11
eICIC_enh_LTE-Core
Rel-11officialCore part: Further Enhanced Non CA-based ICIC for LTE
Cov_Enh_LTE-Core
Rel-12officialCore part: LTE Coverage Enhancements
GCSE_LTE-MBMS_CM-Core
Rel-12parsedCore part: Group Call eMBMS congestion management for LTE
LC_MTC_LTE-Core
Rel-12officialCore part: Low cost & enhanced coverage MTC UE for LTE
LTE_CA_TDD_FDD-Core
Rel-12officialCore part: LTE TDD-FDD joint operation including Carrier Aggregation
LTE_D2D_Prox-Core
Rel-12officialCore part: LTE Device to Device Proximity Services
LTE_NCT-Core
Rel-12officialDeleted - Core part: New Carrier Type for LTE
LTE_SC_enh_L1-Core
Rel-12officialCore part: E-UTRA Small cell enhancements - Physical layer aspects
LTE_SC_enh_dualC-Core
Rel-12officialCore part: Dual connectivity for LTE
LTE_TDD_eIMTA-Core
Rel-12officialCore part: Further Enhancements to LTE TDD for DL-UL Interference Management and Traffic Adaptation
TEI12
Rel-12parsed(Small) Technical Enhancements and Improvements for Rel-12
LTE_CA_enh_b5C-Core
Rel-13parsedCore part: LTE Carrier Aggregation Enhancement Beyond 5 Carriers
LTE_EBF_FDMIMO-Core
Rel-13parsedCore part: Elevation Beamforming/Full-Dimension (FD) MIMO for LTE
LTE_LAA-Core
Rel-13parsedCore part: Licensed-Assisted Access using LTE
LTE_MTCe2_L1-Core
Rel-13officialCore part: Further LTE Physical Layer Enhancements for MTC
LTE_SC_PTM-Core
Rel-13parsedCore part: Support of single-cell point-to-multipoint transmission in LTE
LTE_eD2D_Prox-Core
Rel-13parsedCore part: Enhanced LTE Device to Device Proximity Services
NB_IOT-Core
Rel-13parsedCore part: Narrowband Internet of Things (IOT)
TEI13
Rel-13parsed(Small) Technical Enhancements and Improvements for Rel-13
LTE_LATRED_L2-Core
Rel-14parsedCore part: L2 latency reduction techniques for LTE
LTE_SL_V2V-Core
Rel-14parsedCore part: Support for V2V services based on LTE sidelink
LTE_SRS_switch
Rel-14parsedSRS (sounding reference signal) switching between LTE component carriers
LTE_SRS_switch-Core
Rel-14parsedCore part: SRS (sounding reference signal) switching between LTE component carriers
LTE_V2X-Core
Rel-14parsedCore part: LTE-based V2X Services
LTE_VoLTE_ViLTE_enh
Rel-14parsedVoice and Video Enhancement for LTE
LTE_VoLTE_ViLTE_enh-Core
Rel-14parsedCore part: Voice and Video Enhancement for LTE
LTE_eFDMIMO
Rel-14parsedEnhancements on Full-Dimension (FD) MIMO for LTE
LTE_eFDMIMO-Core
Rel-14parsedCore part: Enhancements on Full-Dimension (FD) MIMO for LTE
LTE_eLAA-Core
Rel-14parsedCore part: Enhanced LAA for LTE
LTE_eMob-Core
Rel-14parsedCore part: Further mobility enhancements in LTE
LTE_feMTC-Core
Rel-14parsedCore part: Further enhanced MTC for LTE
MBMS_LTE_enh2-Core
Rel-14parsedCore part: eMBMS enhancements for LTE
NB_IOTenh-Core
Rel-14parsedCore part: Enhancements of NB-IoT
TEI14
Rel-14parsed(Small) Technical Enhancements and Improvements for Rel-14
INOBEARRAN
Rel-15parsedIncreased number of E-UTRAN data bearers
INOBEARRAN-Core
Rel-15parsedCore part: Increased number of E-UTRAN data bearers
LTE_HRLLC
Rel-15parsedHighly Reliable Low Latency Communication for LTE
LTE_HRLLC-Core
Rel-15parsedCore part: Highly Reliable Low Latency Communication for LTE
LTE_ViLTE_enh2-Core
Rel-15parsedCore part: Further video enhancements for LTE
LTE_eMTC4-Core
Rel-15parsedCore part: Even further enhanced MTC for LTE
LTE_eV2X-Core
Rel-15parsedCore part: V2X phase 2 based on LTE
LTE_euCA-Core
Rel-15parsedCore part: Enhancing LTE CA Utilization
LTE_sTTIandPT
Rel-15parsedShortened TTI and processing time for LTE
LTE_sTTIandPT-Core
Rel-15parsedCore part: Shortened TTI and processing time for LTE
LTE_unlic-Core
Rel-15parsedCore part: Enhancements to LTE operation in unlicensed spectrum
NB_IOTenh2
Rel-15parsedFurther NB-IoT enhancements
NB_IOTenh2-Core
Rel-15parsedCore part: Further NB-IoT enhancements
NR_newRAT
Rel-15parsedNew Radio Access Technology
NR_newRAT-Core
Rel-15parsedCore part: New Radio Access Technology
5G_V2X_NRSL
Rel-16parsed5G V2X with NR sidelink
5G_V2X_NRSL-Core
Rel-16parsedCore part: 5G V2X with NR sidelink
E_FLUS
Rel-16parsedEnhancements to Framework for Live Uplink Streaming
LTE_DL_MIMO_EE-Core
Rel-16parsedCore part: DL MIMO efficiency enhancements for LTE
LTE_NR_DC_CA_enh-Core
Rel-16parsedCore part: LTE-NR & NR-NR Dual Connectivity and NR CA enhancements
LTE_eMTC5-Core
Rel-16parsedCore part: Additional MTC enhancements for LTE
LTE_feMob-Core
Rel-16parsedCore part: Even further mobility enhancement in E-UTRAN
NB_IOTenh3-Core
Rel-16parsedCore part: Additional enhancements for NB-IoT
NR_Mob_enh-Core
Rel-16parsedCore part: NR mobility enhancements
TEI16
Rel-16historical link(Small) Technical Enhancements and Improvements for Rel-16
Historical association · verification pendingLTE_NBIOT_eMTC_NTN
Rel-17parsedNB-IoT/eMTC support for Non-Terrestrial Networks
LTE_NBIOT_eMTC_NTN-Core
Rel-17parsedCore part: NB-IoT/eMTC support for Non-Terrestrial Networks
NB_IOTenh4_LTE_eMTC6-Core
Rel-17parsedCore part: Additional enhancements for NB-IoT and LTE-MTC
TEI17
Rel-17parsed(Small) Technical Enhancements and Improvements for Rel-17
IoT_NTN_enh-Core
Rel-18parsedCore part: IoT (Internet of Things) NTN (non-terrestrial network) enhancements
TEI18
Rel-18parsed(Small) Technical Enhancements and Improvements for Rel-18
IoT_NTN_Ph3-Core
Rel-19parsedCore part: Non-Terrestrial Networks (NTN) for Internet of Things (IoT) Phase 3
IoT_NTN_TDD-Core
Rel-19parsedCore part: Introduction of IoT-NTN TDD mode
LTE_terr_bcast_Ph2-Core
Rel-19parsedCore part: LTE-based 5G Broadcast Phase 2
TEI19
Rel-19parsed(Small) Technical Enhancements and Improvements for Rel-19
Knowledge graph
Related standards
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