5G Update Kevin Holley Technology Standards & Ecosystems Director, BT 27th November 2019 - NICC Standards
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5G Update Kevin Holley Technology Standards & Ecosystems Director, BT 27th November 2019 1 25/11/2019 16:57 Public
Agenda • BT’s Launch of 5G • BT’s Convergence Ambitions • Where next for 5G? 2 25/11/2019 16:57 Public
5G Launch 3 25/11/2019 16:57 Public
We launched the first 5G network in the UK
• We now have 5G in more than 20 large towns and cities -
more places than any other 5G network 5G locations 2019
5G locations 2020
• It’s our ambition to connect a further 25 places to 5G by the
end of 2019 Aberdeen
• Offering a speed uplift of around 100-150Mbps from 30Mbps
average today on 4G Edinburgh
Glasgow
• All 5G sites being connected via 10Gbps backhaul to our Newcastle
evolved mobile core Belfast
Leeds
Hull
• Existing 4G sites being upgraded to at least three carrier Manchester
Liverpo Derby Sheffield
aggregation as part of 5G ol
Wolverhampton Nottingham
Birmingham Leicester
Worcester Peterborough
Gloucester Coventry Cambridge
Cardiff
London
Bristol
Southampton Portsmouth
Plymouth
4
And we’re the best 4G network for six years running
Spectrum re-farming has allowed us to improve
Increasing the time on 4G improves customer
average download speeds despite increasing
experience on voice and data
demand for data
Time on 4G 4G network speeds and capacity
98.0% Average download speed (Mbps) (LHS)
50 20
97.5% 45 18
40
16
97.0%
35
14
30
96.5%
25 12
96.0% 20 10
Nov-17 Feb-18 May-18 Aug-18 Nov-18 Feb-19 Jan-18 Apr-18 Jul-18 Oct-18 Jan-19
With opportunities for • 5G is c.4x more efficient at delivering data than 4G
further improvements • M-MIMO1, use of mmWave frequencies and selective densification will enable significant increases
with 5G in capacity and speed
• Our superior major and minor road coverage offers a competitive advantage for future IoT devices
Source of ‘Best 4G network’ claim: EE has been named the UK’s best mobile network by independent testing experts RootMetrics for six years
in a row to 2019
1 Massive multiple input multiple output
5
Convergence 6 25/11/2019 16:57 Public
Our current core handles fixed and mobile traffic separately
Multiple cores today • Significant premium to add
2G mobile network capacity
Third party
Mobile
backhaul
c.5k Mobile versus fixed network
3G IP connectivity CPs
sites sites
core • Many third party
4G
Mobile dependencies for services
customers
Peak demand: 2G Mobile IP Mobile • Switching between
supersites
0.5Tbps c.14k
(MCN1)
networks generally requires
3G
Openreach backhaul Mobile
sites Core user intervention
4G
Fixed EE EE internet • Disparate equipment
Fixed Wholesale IP service node peering
broadband Public supplier base
EE core
customers
BT internet
service node
BT internet
Peak BT peering
demand: Plusnet
13Tbps Plusnet service node
Fixed / mobile access Core
1 Mobile cloud network
7
Our future core improves customer experience and allows growth
Future converged core • Significant reduction in cost
Mobile
2G of adding incremental
customers
Peak
c.19k
4G Mobile capacity
sites supersites
demand:
c.1.5Tbps1 5G Network
Network CPs • Limited third party
cloud
cloud dependencies
Openreach backhaul
• Seamless switching
IP
between networks
core
• Consolidated supplier base
Broadband
Fixed Wholesale service • Network cloud allows faster,
node Public
broadband Network BT internet
more agile deployment of
customers EE cloud Network peering internet
Peak
cloud applications and
BT
demand: functionality
c.50Tbps1 Plusnet
Fixed / mobile access Core
1 BT forecast
8
Network cloud is a key element of our future converged core
Network functionality today Future functionality with network cloud
Platform #1 Platform #2 Platform #3 Platform #1 Platform #2 Platform #N
App App App App App App App App App App
Vendor app
Virtualisation
Server Server Cloudification
Server Server Containerisation
• Faster
• More agile Server Server Server Server
Network Network Network
Network Cloud
Core network Core network
Buildings and power Buildings and power
Common infrastructure Common infrastructure
9
Our smart network will provide a seamless, consistent customer
experience
WiFi
on the
go
Mobile Fixed
networks networks
10Where next for 5G …information from 3GPP 11 25/11/2019 16:57 Public
3GPP’s Three stage approach
Stage 1
time
Requirements: SA1
Overall service Requirements
description from
the user’s
standpoint.
Stage 2
Architecture: Overall
description of the RAN
organization of the SA2 SA3 SA4 SA5 SA6 Radio
network functions to Architecture Security Media OAM Apps/MC Access
map service
requirements into
network capabilities.
Stage 3
CT – Protocols & Coding
Protocols
125G brings new growth Perfect storm of Multiple breakthrough technologies: • Low latency radio with fully flexible network • Artificial Intelligence and Automation • Device revolution for AR/VR • Vertical industries going cellular 13
3GPP’s Progress on 5G
3GPP continues to expand the LTE platform to improve its efficiency to meet the
mobile broadband demand
3GPP is on schedule with the standardization of 5G, addressing the expanded
connectivity needs of the future (eMBB, mMTC, IoT, URLLC, ‘verticals’)
Phases for the normative 5G work
• Phase 1 (Rel-15): Addresses the more urgent subset for commercial deployments
• Phase 2 (Rel-16): Completes the IMT 2020 submission, addresses all identified use cases & requirements
Release 15 Release 16 Release 17
5G Study 5G Phase 1 5G Phase 1 5G Phase 2 5G …
Freeze date Freeze date
March 2020 Target June 2021
14The Three 5G Releases… 15
Release 15 – NR to meet market needs
3GPP 5G NR 5G Services and Systems capabilities
• Operation from low to very high bands: 0.4 –100GHz • 5G Core Network
• Ultra wide bandwidth (Up to 100MHz in 6GHz)
• 5G Charging and Management (SA5)
• Set of different numerologies for optimal operation in different • New ‘Vertical’ Applications (SA6)
frequency ranges
• Native forward compatibility mechanisms
• New channel coding
• Native support for Low Latency and Ultra Reliability ✓ Functional entities -> Services
• Flexible and modular RAN architecture: split fronthaul, split ✓ Virtual Core
control- and user-plane ✓ Internal Communication: APIs
✓ Harmonized protocols
• Native end-to-end support for Network Slicing ✓ Function/service exposure
✓ CP / UP Separation
16Release 16 – 5G use cases
Radio - 5G NR features:
• 5G Expansion: Vehicle to everything (V2X), Industrial IoT, Ultra reliable low
latancy enhancements, 5G NR Unlicensed spectrum operation
• 5G Efficiencies: Interference Mitigation, SON & Big Data, MIMO enhancements,
Location and positioning, Power Consumption, Dual Connectivity, Device
capabilities exchange, Mobility enhancements
Services and Systems capabilities in Rel-16:
URLLC support in the 5G Core network, Service requirements for cyber-physical control applications in vertical domains, 5GS Enhanced support of Vertical and LAN Services, LAN support in 5G, Cellular
IoT support and evolution for the 5G System, 5G message service, Improvement of V2X service Handling, Application layer support for V2X services, Architecture enhancements for 3GPP support of
advanced V2X services, 5G positioning services, Enhancement to the 5GC LoCation Services, Optimisations on UE radio capability signalling, Integration of Satellite Access in 5G, Enablers for Network
Automation for 5G, Enhanced Mission Critical Push-to-talk architecture phase 2, Enhancements to Functional architecture and information flows for Mission Critical Data, MBMS APIs for Mission Critical
Services, Enhanced Mission Critical System Migration and Interconnection, Mission Critical Services Security Enhancements, Maritime Communication Services over 3GPP System, Enhancement of LTE
for Efficient delivery of Streaming Service, Enhancements to Framework for Live Uplink Streaming, Coverage and Handoff Enhancements for Multimedia, Media streaming architecture, Media Handling
Extensions for 5G Conversational Services, EVS Floating-point Conformance for Non Bit-Exact, Addition of HLG HDR to TV Video Profiles, User Identities and Authentication, Multi-device and multi-
identity, Business Role Models for Network Slicing, Enhancement of performance assurance for 5G networks including network slicing, Enhancements to the Service-Based 5G System Architecture, SBA
aspects of enhanced IMS to 5GC integration, Media Handling Aspects of RAN Delay Budget Reporting in MTSI, User data interworking, Coexistence and Migration, Volume Based Charging Aspects for
VoLTE, Enhancements to IMS for new real time communication services, Energy efficiency of 5G, New Services and Markets Technology Enablers – Phase 2, 5G Voice Service Continuity, Security
Assurance Specification for 5G, 5GS Transfer of Policies for Background Data Transfer, Service Interactivity, Alternative EVS implementation using updated fixed-point basic operators, Usage of CAPIF for
xMB API, Policy delivery to UE for background data transfer, QoS Monitoring, Inter-RAT Mobility requirements for real time service, Management of QoE measurement collection, Network policy
management for mobile networks based on NFV scenarios, Intent driven management service for mobile network, OAM aspects of LTE and WLAN integration, Methodology for 5G management
specifications, Nchf Online and Offline charging services, Charging Enhancement of 5GC interworking with EPC, NRM enhancements, Network Exposure Charging in 5G System Architecture, Charging
AMF in 5G System Architecture Phase 1, Discovery of management services in 5G, Lawful Interception Rel-16, Reliable Data Service Serialization Indication, S6b Optional for ePDG connected to 5GS, Self-
Organizing Networks (SON) for 5G networks, Integration of ONAP and 3GPP 5G management framework.
17Release 17 – IoT driven
5G support for verticals
• Vehicle Communication, Mission Critical
Communications, Industrial IoT, Audio Visual
Production…
Enhancements for the system coming:
• 5G LAN, High Precision Positioning, Cellular IoT for
5G, URLLC capabilities, Fixed and Satellite as 3GPP
accesses, ONAP interworking, QoS Monitoring,
Network Automation, protocol and core network
improvements…
5G will span several releases, look out for
the Rel-17 work plan soon
18Joint TSG SA and TSG RAN items under
consideration for Rel-17 inclusion (Joint 1/2)
Network Slicing: NR coverage:
• TSG#85 – In September – • Enable UE awareness & access of RAN support
of network slice
• Indoor scenario, Rural scenario, Extreme long
distance coverage, urban & dense urban
advanced the discussion on these • Applied for both TDD and FDD.
• Intra-RAT handover service interruption
considered.
• Services - VoIP, eMBB.
• POn-demand and dynamic deployment of
features. diverse network slices
• Channels - DL and UL to be taken into
account, PUSCH enhanced
• Slice-specific idle and inactive UE access
• Asses Generic Slice Template impact on RAN & (PDSCH/PDCCH/PRACH also studied).
5GS
• The final decisions on what will NB-IoT and eMTC:
Industrial IoT and URLLC: • Scheduling and latency
Focus on:
be in Release 17 will be made in • NR Time Sensitive Communications (TSC)
•
•
Peak data rates
Interference and load management
• Enhanced diversity support / Multi-TRP / • Power consumption reduction
December, at TSG#86. Multipanel / beam management • Relaying (UE-based or NW-based)
• QoS predictability • Mobility (intra-RAT, to/from NR, Reduced
• Unlicensed IIoT/URLLC and URLLC FR2 reading of neighbor cells)
enhancements • Improved multi-carrier operation
• ‘Downscaling’ of some features • Feedback enhancements for IIoT
• Faster UE processing times
• Connection to NR/5GC
may be necessary to get the work • Interference management for URLLC in
mixed URLLC/eMBB network
RAN data collection:
• leftovers of R16 RAN centric data collection
• 5G Architecture optimization for machine
done in the available Time Units. control
and utilization SID/WID,
• data collection for new R16 features
• New IIoT channel model
• Alignment with XR for NR • AI/Machine Learning
19Joint TSG SA and TSG RAN items under
consideration for Rel-17 inclusion (Joint 2/2)
Localized NR Multicast Broadcast: Small data: Power Saving:
User Plane • Use cases include: V2X, critical
communications, IoT - Software
• Support small data transmission for UL (MO) use
case
• Enh. NR UE Power Saving Features
• Enh. emerging NR use cases
(LUP): updates, TV Video and Radio • Continue discussion on the DL aspects • Study network power saving to improve overall
Rel-17 should distribution, Xreality. • Support small data transmissions from NR energy efficiency
support RAN • Limit work to Standalone NR and RRC_INACTIVE state
architecture 5GCore? • Discussion on IDLE state aspects ongoing UAV:
enhancements to • Start with Single-Cell Point-To- • Applicable to licensed carriers - no specific enh. • enhancements for reliable UAV remote
support Localized Multipoint (SC-PTM) and small number for NR-U controlling
User Plane for of cells operated in a single-frequency • UAV-to-UAV communication
Public Network network (SFN) and study scalability Non-Terrestrial Networks: • enhancements on UL throughput
Integrated NPN • FR1 first, FR2 also, but with lower • HAPS, LEO, GEO based access scenarios • beam management enhancements
(PNI-NPN) priority • cell size for LEO and GEO based access
• Switching between unicast/multicast • transparent or regenerative payload options Multi-SIM:
5G Audio- should be supported • earth fixed or mobile beams Multi-SIM considers both inter-MNO and intra-MNO
• UE with location determination capability (e.g. cases. the enablers for Dual-USIM should be
Visual (AV)
eXtended Reality (XR): GNSS) applicable to more than two USIMs.
Production: • Use Cases / Deployment Scenarios
• targeted usage scenarios
• UE type (3GPP class 3 or other)
Discussions now move to UE types, RAT
• Multicast concurrencies, Use cases and the further Scoping
• Power, Capacity, Mobility • NB-IoT and LTE-MTC
• Easy of study objectives.
deployment of Positioning: Sidelink: Integrated Access Backhaul:
SNPN • General NR Positioning Enhancements
• Reliable wireless • Relay aspects, architecture aspects, related radio • Duplex enhancements
• V2X positioning interface aspects
backhaul • NR-U positioning • Potentials for network coding
• Synchronization • Common functions across the key use cases • Mobile IAB
• Industrial IoT positioning aspects • Commonality between commercial, V2X, and
• "RAT-independent" positioning aspects
Critical Communication
20TSG RAN Rel-17…content progress
Joint SA and RAN items Multi-RAT Dual NR MIMO: NR above 52.6GHz:
(see previous slides):
Connectivity (MR-DC): Discussions around Multi-
beam operation, Multi-
• Early use cases: IAB/backhaul, Factory
automation & IIoT, eMBB/Data
[IIoT_URLLC_enh] Proposals under discussion: one step HO TRP, UL MIMO Offloading, Broadband distribution
Addressing wider use cases from NR SA to EN-DC, support lossless HO transmission, Channel network.
[Non_Terrestrial_Networks] (even 0ms) between NR and LTE/EN-DC, state information (CSI) • Scope: Waveform, Feasibility of
Include NTN-specific positioning support 0ms SN change in NSA related procedures, CSI existing waveforms, Channelization,
[IAB_enh] deployment, support 0ms HO between FDD, High speed mobility, Physical channel & signals, MIMO &
Includes duplexing enhancement EN-DC cells, efficient SN activation/de- etc. beam management, Evaluation
Potentials for network coding activation for power saving and methodology, Frame structure,
Mobile IAB signaling latency reduction, potential
leftovers from Rel-16 related Wis.
NR-U operation: Channel access, Tx Power & Antenna
[Unlicensed_enh] This work may depend on configuration.
[Powersaving_enh]
Enhancements for powersaving of smartphones Dynamic Spectrum high frequencies
discussion (60GHz band) NR-Light:
Network power saving aspects as a separate
sub-discussion
Sharing: and left-overs from Rel- • Industrial Wireless Sensors, Video
Improvements on DSS capabilities in Rel- 16. surveillance, Wearables
[RAN_datacollection_enh] • UE complexity reduction or lower UE
15 and Rel-16 (discussion on-going).
Includes SON and MDT, start based on Release
16 scope and status. Data collection to enable
DL 1024QAM in power class, UE power saving and
AI is part of this discussion 5G Repeaters: FR1:
battery lifetime enhancement, System
aspects and Support high UE density.
[Positioning_enh] • Develop a core specification and a
Limited to FR1, aimed at
conformance specification for NR
Factory/campus positioning, IoT, V2X positioning,
3D positioning, cm level accuracy, incl latency repeaters for FR1 and FR2.
no or low mobility which flexible UL/DL resource
includes FWA/CPE and
and reliability improvements. NR-U positioning • Add repeater to the NR EMC
specification.
IAB backhaul in FR1 for utilization:
aspects the applicable bands. Looking at scenarios: Inter-operator, Inter
Idle and inactive The intention is to reuse -band, Inter TRP with same cell ID (Ideal
RAN1 work (e.g. backhaul), Inter gNB with different cell ID
constellation) on LTE (Ideal backhaul).
1024QAM for NR 1024
21 QAM FR1.TSG SA Rel-17…content progress (SA)
Edge Computing in 5GC: Non-Public Networks: Network Automation:
• Support for forwarding UE application traffic • Subscription / credentials owned by an entity System enhancements for NWDAF, building on Rel-15 and Rel-16 to
to the edge computing environment separate from the Stand-alone Non-Public allow 5GS to develop new scenarios for network data analytics and
• Investigate potential impacts on charging Network (SNPN). NWDAF Deployment Options
and policy control • UE onboarding and provisioning for non-public
• provide deployment guidelines for typical networks. Proximity based Services:
edge computing use cases including URLLC, • Service requirements for production of audio- 5G System needs to be enhanced to support the proximity based
V2X, AR/VR/XR, UAS, 5GSAT and CDN visual. services with one common architecture to take advantage of
• Customizations or optimizations of 5GS for NPN in economy of scale, for both public safety and commercial related
5G Advanced Interactive different deployment scenarios. proximity services, where applicable.
• Additional exposure capabilities due to support
Services: for NPN.
Advanced V2X services - Phase 2:
Defining potential QoS requirements for: • Support for SNPN and PLMN sharing the same
Architecture enhancements for 3GPP support of advanced V2X
• latency for uplink transmission from UE to UPF NG-RAN.
plus downlink transmission from UPF to UE. services, such as automated driving
• Support for voice/IMS emergency services for
• reliability for uplink sensor/pose data and SNPN.
downlink pre-rendered/rendered audio/visual 5GC LoCation Services-Phase 2:
data
• data rate in downlink direction related to SA1
Extended Access Traffic To further enhance the 5GC LCS architecture and corresponding
Network Functions and procedures to meet the full set of 5G use
agreed KPIs including FPS (frame-per-second) Steering, Switch and Splitting case requirements
and resolution etc.
support in the 5G system Wireless and Wireline convergence:
UPF enhancement for control architecture Trusted Non-3GPP access network.
and SBA • Wireless Wireline convergent network - needed?
• Study further the modular design of User 5G LAN-type service: • Improve mobility restriction granularity from TA granularity to a
• Enhancement of 5G VN group management; finer granularity.
Plane (UP) handling.
• Enhancement of 5G VN group communication. • Support of L2 Bridge 5G-RG scenario.
• Mechanism to support efficient service
For UEs of a 5G VN group belong to the same • Support of MA PDU session for 5G-RG (post ATSSS_Ph2 study).
communication involving the UPF.
HPLMN. • Support of QoS for UE connected behind an RG via Untrusted and
Trusted Non-3GPP access solution.
Multimedia Priority Service (MPS2)
• MPS for Voice, MPS for Data Transport Service
22 (DTS), MPS for VideoConclusions • BT was the first to launch 5G in the UK under the EE brand and is continuing to roll out its high quality network. • BT’s ambitions for fully converged network including Mobile, Wi-Fi and Fixed are being realised. • 3GPP is planning many advances particularly around IoT and operators including BT will be able to take advantage soon. 23 25/11/2019 16:57 Public
© British Telecommunications plc
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