{"id":38064,"date":"2025-01-20T13:01:29","date_gmt":"2025-01-20T13:01:29","guid":{"rendered":"https:\/\/peraltafinancing.com\/5g-technology\/3gpp-release-18-description-and-summary-of-work-items\/"},"modified":"2025-01-20T13:01:29","modified_gmt":"2025-01-20T13:01:29","slug":"3gpp-release-18-description-and-summary-of-work-items","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=38064","title":{"rendered":"3GPP Release 18 Description and Summary of Work Items"},"content":{"rendered":"


\n<\/p>\n

The first official release of 3GPP TR 21.918<\/a>: “Release 18 Description; Summary of Rel-18 Work Items” has been published. It’s the first official version of 5G-Advanced. Quoting from the report:\u00a0<\/p>\n

These improvements consist both in enhancements of concepts\/Features introduced in the previous Releases and in the introduction of new topics.<\/span><\/p>\n

The following list is from the v1.0.0 table of contents to make it easier to find the list of topics. If it interests you, download the latest version technical report from the directory here<\/a>.<\/p>\n

\n

5\t<\/span>Satellite \/ Non-Terrestrial Network (NTN)<\/b><\/span><\/p>\n

5.1\t<\/span>General aspects<\/span><\/p>\n

5.1.1\t<\/span>User plane: \u201c5G system with satellite backhaul\u201d\t<\/span><\/span><\/p>\n

5.1.2\t<\/span>Discontinuous coverage: \u201cSatellite access Phase 2\u201d<\/span><\/p>\n

5.1.3\t<\/span>Radio: “NR NTN enhancements”<\/span><\/p>\n

5.1.4\t<\/span>Charging and Management aspects of Satelite<\/span><\/p>\n

5.2\t<\/span>Specific aspects<\/span><\/p>\n

5.2.1\t<\/span>IoT (Internet of Things) NTN enhancements<\/span><\/p>\n

5.2.2\t<\/span>Guidelines for Extra-territorial 5G Systems<\/span><\/p>\n

5.2.3\t<\/span>5G system with satellite access to Support Control and\/or Video Surveillance<\/span><\/p>\n

5.2.4\t<\/span>Introduction of the satellite L-\/S-band for NR<\/span><\/p>\n

5.2.5\t<\/span>Other band-related aspects of satellite<\/span><\/p>\n

6\t<\/span>Internet of Things (IoT), Machine-Type Communication (MTC)<\/b><\/span><\/p>\n

6.1\t<\/span>Personal IoT and Residential networks<\/span><\/p>\n

6.2\t<\/span>Enhanced support of Reduced Capability (RedCap) NR devices<\/span><\/p>\n

6.3\t<\/span>NR RedCap UE with long eDRX for RRC_INACTIVE State<\/span><\/p>\n

6.4\t<\/span>Application layer support for Personal IoT Network<\/span><\/p>\n

6.5\t<\/span>5G Timing Resiliency System<\/span><\/p>\n

6.6\t<\/span>Mobile Terminated-Small Data Transmission (MT-SDT) for NR<\/span><\/p>\n

6.7\t<\/span>Adding new NR FDD bands for RedCap in Rel-18<\/span><\/p>\n

6.8\t<\/span>Signal level Enhanced Network Selection<\/span><\/p>\n

6.9\t<\/span>IoT NTN enhancements<\/span><\/p>\n

7\t<\/span>Energy Efficiency (EE)<\/b><\/span><\/p>\n

7.1\t<\/span>Enhancements of EE for 5G Phase 2<\/span><\/p>\n

7.2\t<\/span>Network energy savings for NR<\/span><\/p>\n

7.3\t<\/span>Smart Energy and Infrastructure<\/span><\/p>\n

8\t<\/span>Uncrewed Aerial Vehicles (UAV), UAS, UAM<\/b><\/span><\/p>\n

8.1\t<\/span>Architecture for UAV and UAM Phase 2<\/span><\/p>\n

8.2\t<\/span>Architecture for UAS Applications, Phase 2<\/span><\/p>\n

8.3\t<\/span>NR support for UAV<\/span><\/p>\n

8.4\t<\/span>Enhanced LTE Support for UAV<\/span><\/p>\n

9\t<\/span>Sidelink, Proximity, Location and Positioning<\/b><\/span><\/p>\n

9.1\t<\/span>5GC LoCation Services – Phase 3<\/span><\/p>\n

9.2\t<\/span>Expanded and improved NR positioning<\/span><\/p>\n

9.3\t<\/span>NR sidelink evolution<\/span><\/p>\n

9.4\t<\/span>NR sidelink relay enhancements<\/span><\/p>\n

9.5\t<\/span>Proximity-based Services in 5GS Phase 2<\/span><\/p>\n

9.6\t<\/span>Ranging-based Service and sidelink positioning<\/span><\/p>\n

9.7\t<\/span>Mobile Terminated-Small Data Transmission (MT-SDT) for NR<\/span><\/p>\n

9.8\t<\/span>5G-enabled fused location service capability exposure<\/span><\/p>\n

10\t<\/span>Verticals, Industries, Factories, Northbound API<\/b><\/span><\/p>\n

10.1\t<\/span>Low Power High Accuracy Positioning for industrial IoT scenarios<\/span><\/p>\n

10.2\t<\/span>Application enablement aspects for subscriber-aware northbound API access<\/span><\/p>\n

10.3\t<\/span>Smart Energy and Infrastructure<\/span><\/p>\n

10.4\t<\/span>Generic group management, exposure and communication enhancements<\/span><\/p>\n

10.5\t<\/span>Service Enabler Architecture Layer for Verticals Phase 3<\/span><\/p>\n

10.6\t<\/span>SEAL data delivery enabler for vertical applications<\/span><\/p>\n

10.7\t<\/span>Rel-18 Enhancements of 3GPP Northbound and Application Layer interfaces and APIs<\/span><\/p>\n

10.8\t<\/span>Charging Aspects of B2B<\/span><\/p>\n

10.9\t<\/span>NRF API enhancements to avoid signalling and storing of redundant data<\/span><\/p>\n

10.10 GBA_U Based APIs<\/span><\/p>\n

10.11 Other aspects<\/span><\/p>\n

11\t<\/span>Artificial Intelligence (AI)\/Machine Learning (ML)<\/b><\/span><\/p>\n

11.1\t<\/span>AI\/ML model transfer in 5GS<\/span><\/p>\n

11.2\t<\/span>AI\/ML for NG-RAN<\/span><\/p>\n

11.3\t<\/span>AI\/ML management & charging<\/span><\/p>\n

11.4\t<\/span>NEF Charging enhancement to support AI\/ML in 5GS<\/span><\/p>\n

12\t<\/span>Multicast and Broadcast Services (MBS)<\/b><\/span><\/p>\n

12.1\t<\/span>5G MBS Phase 2<\/span><\/p>\n

12.2\t<\/span>Enhancements of NR MBS<\/span><\/p>\n

12.3\t<\/span>UE pre-configuration for 5MBS<\/span><\/p>\n

12.4\t<\/span>Other MBS aspects<\/span><\/p>\n

13\t<\/span>Network Slicing<\/b><\/span><\/p>\n

13.1\t<\/span>Network Slicing Phase 3<\/span><\/p>\n

13.2\t<\/span>Enhancement of NSAC for maximum number of UEs with at least one PDU session\/PDN connection<\/span><\/p>\n

13.3\t<\/span>Enhancement of Network Slicing UICC application for network slice-specific authentication and authorization<\/span><\/p>\n

13.4\t<\/span>Charging Aspects of Network Slicing Phase 2<\/span><\/p>\n

13.5\t<\/span>Charging Aspects for NSSAA<\/span><\/p>\n

13.6\t<\/span>Charging enhancement for Network Slice based wholesale in roaming<\/span><\/p>\n

13.7\t<\/span>Network Slice Capability Exposure for Application Layer Enablement<\/span><\/p>\n

13.8\t<\/span>Other slice aspects<\/span><\/p>\n

14\t<\/span>eXtended, Augmented and Virtual Reality (XR, AR, VR), immersive<\/b><\/span><\/p>\n

14.1\t<\/span>XR (eXtended Reality) enhancements for NR<\/span><\/p>\n

14.2\t<\/span>Media Capabilities for Augmented Reality<\/span><\/p>\n

14.3\t<\/span>Real-time Transport Protocol Configurations<\/span><\/p>\n

14.4\t<\/span>Immersive Audio for Split Rendering Scenarios\u00a0 (ISAR)<\/span><\/p>\n

14.5\t<\/span>Immersive Real-time Communication for WebRTC<\/span><\/p>\n

14.6\t<\/span>IMS-based AR Conversational Services<\/span><\/p>\n

14.7\t<\/span>Split Rendering Media Service Enabler<\/span><\/p>\n

14.8\t<\/span>Extended Reality and Media service (XRM)<\/span><\/p>\n

14.9\t<\/span>Other XR\/AR\/VR items<\/span><\/p>\n

15\t<\/span>Mission Critical and emergencies<\/b><\/span><\/p>\n

15.1\t<\/span>Enhanced Mission Critical Push-to-talk architecture phase 4<\/span><\/p>\n

15.2\t<\/span>Gateway UE function for Mission Critical Communication<\/span><\/p>\n

15.3\t<\/span>Mission Critical Services over 5MBS<\/span><\/p>\n

15.4\t<\/span>Mission Critical Services over 5GProSe<\/span><\/p>\n

15.5\t<\/span>Mission Critical ad hoc group Communications<\/span><\/p>\n

15.6\t<\/span>Other Mission Critical aspects<\/span><\/p>\n

16\t<\/span>Transportations (Railways, V2X, aerial)<\/b><\/span><\/p>\n

16.1\t<\/span>MBS support for V2X services<\/span><\/p>\n

16.2\t<\/span>Air-to-ground network for NR<\/span><\/p>\n

16.4\t<\/span>Interconnection and Migration Aspects for Railways<\/span><\/p>\n

16.5\t<\/span>Application layer support for V2X services; Phase 3<\/span><\/p>\n

16.6\t<\/span>Enhanced NR support for high speed train scenario in frequency range 2 (FR2)<\/span><\/p>\n

17\t<\/span>User Plane traffic and services<\/b><\/span><\/p>\n

17.1\t<\/span>Enhanced Multiparty RTT<\/span><\/p>\n

17.2\t<\/span>5G-Advanced media profiles for messaging services<\/span><\/p>\n

17.3\t<\/span>Charging Aspects of IMS Data Channel<\/span><\/p>\n

17.4\t<\/span>Evolution of IMS Multimedia Telephony Service<\/span><\/p>\n

17.5\t<\/span>Access Traffic Steering, Switch and Splitting support in the 5G system architecture; Phase 3<\/span><\/p>\n

17.6\t<\/span>UPF enhancement for Exposure and SBA<\/span><\/p>\n

17.7\t<\/span>Tactile and multi-modality communication services<\/span><\/p>\n

17.8\t<\/span>UE Testing Phase 2<\/span><\/p>\n

17.9\t<\/span>5G Media Streaming Protocols Phase 2<\/span><\/p>\n

17.10 EVS Codec Extension for Immersive Voice and Audio Services<\/span><\/p>\n

17.11 Other User Plane traffic and services items<\/span><\/p>\n

18\t<\/span>Edge computing<\/b><\/span><\/p>\n

18.1\t<\/span>Edge Computing Phase 2<\/span><\/p>\n

18.2\t<\/span>Architecture for enabling Edge Applications Phase 2<\/span><\/p>\n

18.3\t<\/span>Edge Application Standards in 3GPP and alignment with External Organizations<\/span><\/p>\n

19\t<\/span>Non-Public Networks<\/b><\/span><\/p>\n

19.1\t<\/span>Non-Public Networks Phase 2<\/span><\/p>\n

19.2\t<\/span>5G Networks Providing Access to Localized Services<\/span><\/p>\n

19.3\t<\/span>Non-Public Networks Phase 2<\/span><\/p>\n

20\t<\/span>AM and UE Policy<\/b><\/span><\/p>\n

20.1\t<\/span>5G AM Policy<\/span><\/p>\n

20.2\t<\/span>Enhancement of 5G UE Policy<\/span><\/p>\n

20.3\t<\/span>Dynamically Changing AM Policies in the 5GC Phase 2<\/span><\/p>\n

20.4\t<\/span>Spending Limits for AM and UE Policies in the 5GC<\/span><\/p>\n

20.5\t<\/span>Rel-18 Enhancements of UE Policy<\/span><\/p>\n

21\t<\/span>Service-based items<\/b><\/span><\/p>\n

21.1\t<\/span>Enhancements on Service-based support for SMS in 5GC<\/span><\/p>\n

21.2\t<\/span>Service based management architecture<\/span><\/p>\n

21.3\t<\/span>Automated certificate management in SBA<\/span><\/p>\n

21.4\t<\/span>Security Aspects of the 5G Service Based Architecture Phase 2<\/span><\/p>\n

21.5\t<\/span>Service Based Interface Protocol Improvements Release 18<\/span><\/p>\n

22\t<\/span>Security-centric aspects<\/b><\/span><\/p>\n

22.1\t<\/span>IETF DTLS protocol profile for AKMA and GBA<\/span><\/p>\n

22.2\t<\/span>IETF OSCORE protocol profiles for GBA and AKMA<\/span><\/p>\n

22.3\t<\/span>Home network triggered primary authentication<\/span><\/p>\n

22.4\t<\/span>AKMA phase 2<\/span><\/p>\n

22.5\t<\/span>5G Security Assurance Specification (SCAS) for the Policy Control Function (PCF)<\/span><\/p>\n

22.6\t<\/span>Security aspects on User Consent for 3GPP services Phase 2<\/span><\/p>\n

22.7\t<\/span>SCAS for split-gNB product classes<\/span><\/p>\n

22.8\t<\/span>Security Assurance Specification for AKMA Anchor Function Function (AAnF)<\/span><\/p>\n

22.9\t<\/span>Other security-centric items<\/span><\/p>\n

23\t<\/span>NR-only items<\/b><\/span><\/p>\n

23.1\t<\/span>Not band-centric<\/span><\/p>\n

23.1.1\t<\/span>NR network-controlled repeaters<\/span><\/p>\n

23.1.2\t<\/span>Enhancement of MIMO OTA requirement for NR UEs<\/span><\/p>\n

23.1.3\t<\/span>NR MIMO evolution for downlink and uplink<\/span><\/p>\n

23.1.4\t<\/span>Further NR mobility enhancements<\/span><\/p>\n

23.1.5\t<\/span>In-Device Co-existence (IDC) enhancements for NR and MR-DC<\/span><\/p>\n

23.1.6\t<\/span>Even Further RRM enhancement for NR and MR-DC<\/span><\/p>\n

23.1.7\t<\/span>Dual Transmission Reception (TxRx) Multi-SIM for NR<\/span><\/p>\n

23.1.8\t<\/span>NR support for dedicated spectrum less than 5MHz for FR1<\/span><\/p>\n

23.1.9\t<\/span>Enhancement of NR Dynamic Spectrum Sharing (DSS)<\/span><\/p>\n

23.1.10\t<\/span>Multi-carrier enhancements for NR<\/span><\/p>\n

23.1.11\t<\/span>NR RF requirements enhancement for frequency range 2 (FR2), Phase 3<\/span><\/p>\n

23.1.12\t<\/span>Requirement for NR frequency range 2 (FR2) multi-Rx chain DL reception<\/span><\/p>\n

23.1.13\t<\/span>Support of intra-band non-collocated EN-DC\/NR-CA deployment<\/span><\/p>\n

23.1.14\t<\/span>Further enhancements on NR and MR-DC measurement gaps and measurements without gaps<\/span><\/p>\n

23.1.15\t<\/span>Further RF requirements enhancement for NR and EN-DC in frequency range 1 (FR1)<\/span><\/p>\n

23.1.16\t<\/span>Other non-band related items<\/span><\/p>\n

23.2\t<\/span>Band-centric<\/span><\/p>\n

23.2.1\t<\/span>Enhancements of NR shared spectrum bands<\/span><\/p>\n

23.2.2\t<\/span>Addition of FDD NR bands using the uplink from n28 and the downlink of n75 and n76<\/span><\/p>\n

23.2.3\t<\/span>Complete the specification support for BandWidth Part operation without restriction in NR<\/span><\/p>\n

23.2.4\t<\/span>Other NR band related topics<\/span><\/p>\n

24\t<\/span>LTE-only items<\/b><\/span><\/p>\n

24.1\t<\/span>High Power UE (Power Class 2) for LTE FDD Band 14<\/span><\/p>\n

24.2\t<\/span>Other LTE-only items<\/span><\/p>\n

25\t<\/span>NR and LTE items<\/b><\/span><\/p>\n

25.1\t<\/span>4Rx handheld UE for low NR bands (<\/span><\/p>\n

25.2\t<\/span>Enhancement of UE TRP and TRS requirements and test methodologies for FR1 (NR SA and EN-DC)<\/span><\/p>\n

25.3\t<\/span>Other items<\/span><\/p>\n

26\t<\/span>Network automation<\/b><\/span><\/p>\n

26.1\t<\/span>Enablers for Network Automation for 5G phase 3<\/span><\/p>\n

26.2\t<\/span>Enhancement of Network Automation Enablers<\/span><\/p>\n

27\t<\/span>Other aspects<\/b><\/span><\/p>\n

27.1\t<\/span>Support for Wireless and Wireline Convergence Phase 2<\/span><\/p>\n

27.2\t<\/span>Secondary DN Authentication and authorization in EPC IWK cases<\/span><\/p>\n

27.3\t<\/span>Mobile IAB (Integrated Access and Backhaul) for NR<\/span><\/p>\n

27.4\t<\/span>Further NR coverage enhancements<\/span><\/p>\n

27.5\t<\/span>NR demodulation performance evolution<\/span><\/p>\n

27.6\t<\/span>NR channel raster enhancement<\/span><\/p>\n

27.7\t<\/span>BS\/UE EMC enhancements for NR and LTE<\/span><\/p>\n

27.8\t<\/span>Enhancement on NR QoE management and optimizations for diverse services<\/span><\/p>\n

27.9\t<\/span>Additional NRM features phase 2<\/span><\/p>\n

27.10\t<\/span>Further enhancement of data collection for SON (Self-Organising Networks)\/MDT (Minimization of Drive Tests) in NR and EN-DC<\/span><\/p>\n

27.11\t<\/span>Self-Configuration of RAN Network Entities<\/span><\/p>\n

27.12\t<\/span>Enhancement of Shared Data ID and Handling<\/span><\/p>\n

27.13\t<\/span>Message Service within the 5G system Phase 2<\/span><\/p>\n

27.14\t<\/span>Security Assurance Specification (SCAS) Phase 2<\/span><\/p>\n

27.15\t<\/span>Vehicle-Mounted Relays<\/span><\/p>\n

27.16\t<\/span>SECAM and SCAS for 3GPP virtualized network products<\/span><\/p>\n

27.17\t<\/span>SECAM and SCAS for 3GPP virtualized network products<\/span><\/p>\n

27.18\t<\/span>MPS for Supplementary Services<\/span><\/p>\n

27.19\t<\/span>Rel-18 enhancements of session management policy control<\/span><\/p>\n

27.20\t<\/span>Seamless UE context recovery<\/span><\/p>\n

27.21\t<\/span>Extensions to the TSC Framework to support DetNet<\/span><\/p>\n

27.22\t<\/span>Multiple location report for MT-LR Immediate Location Request for regulatory services<\/span><\/p>\n

27.23\t<\/span>Enhancement of Application Detection Event Exposure<\/span><\/p>\n

27.24\t<\/span>General Support of IPv6 Prefix Delegation in 5GS<\/span><\/p>\n

27.25\t<\/span>5G Timing Resiliency System<\/span><\/p>\n

27.26\t<\/span>MPS when access to EPC\/5GC is WLAN<\/span><\/p>\n

27.27\t<\/span>Data Integrity in 5GS<\/span><\/p>\n

27.28\t<\/span>Security Enhancement on RRCResumeRequest Message Protection<\/span><\/p>\n

28\t<\/span>Administration, Operation, Maintenance and Charging-centric Features<\/b><\/span><\/p>\n

28.1\t<\/span>Introduction<\/span><\/p>\n

28.2\t<\/span>Intent driven Management Service for Mobile Network phase 2<\/span><\/p>\n

28.3\t<\/span>Management of cloud-native Virtualized Network Functions<\/span><\/p>\n

28.4\t<\/span>Management of Trace\/MDT phase 2<\/span><\/p>\n

28.5\t<\/span>Security Assurance Specification for Management Function (MnF)<\/span><\/p>\n

28.6\t<\/span>5G performance measurements and KPIs phase 3<\/span><\/p>\n

28.7\t<\/span>Access control for management service<\/span><\/p>\n

28.8\t<\/span>Management Aspects related to NWDAF<\/span><\/p>\n

28.9\t<\/span>Management Aspect of 5GLAN<\/span><\/p>\n

28.10\t<\/span>Charging Aspects of TSN<\/span><\/p>\n

28.11\t<\/span>CHF Distributed Availability<\/span><\/p>\n

28.12\t<\/span>Management Data Analytics phase 2<\/span><\/p>\n

28.12\t<\/span> 5G System Enabler for Service Function Chaining<\/span><\/p>\n

28.13\t<\/span>Other Management-centric items<\/span><\/p>\n

29\t<\/span>Other Rel-18 Topics<\/b><\/span><\/p>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"

The first official release of 3GPP TR 21.918: “Release 18 Description; Summary of Rel-18 Work Items” has been published. It’s the first official version of 5G-Advanced. Quoting from the report:\u00a0 These improvements consist both in enhancements of concepts\/Features introduced in the previous Releases and in the introduction of new topics. The following list is from […]<\/p>\n","protected":false},"author":1,"featured_media":38065,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12020],"tags":[16669,9374,3033,2279,4028,418],"dealstore":[],"offerexpiration":[],"class_list":["post-38064","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-5g-technology","tag-3gpp","tag-description","tag-items","tag-release","tag-summary","tag-work"],"yoast_head":"\n3GPP Release 18 Description and Summary of Work Items - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=38064\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"3GPP Release 18 Description and Summary of Work Items - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"The first official release of 3GPP TR 21.918: “Release 18 Description; Summary of Rel-18 Work Items” has been published. It’s the first official version of 5G-Advanced. Quoting from the report:\u00a0 These improvements consist both in enhancements of concepts\/Features introduced in the previous Releases and in the introduction of new topics. 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