1.
5G Access
Simon Pike
Vodafone
Spectrum Policy Forum
Cluster 2 meeting on mm-waves - 16 December 15
(with clarifications added after the meeting)

2.
• Availability of spectrum
– Agenda item for WRC-19, addressing bands between 24GHz and 86GHz
– ITU Co-existence studies will be carried out in a new group, ITU-R TG 5/1
– Parameters of 5G (IMT-2020) for these studies will be defined by ITU-R WP5D
– Propagation models will be developed in ITU-R Study Group 3
– These need to be available for the co-existence studies by March 2017
• Definition of user requirements
– NGMN Project P1 and 3GPP TSG SA
• Development of 5G specifications
– 3GPP TSG RAN
– 5G workshop held and study item starts in 2016
• Definition and evaluation of 5G / IMT-2020
– ITU-R WP5D
• National initiatives – especially Korea, Japan and USA
Drivers for development of 5G at mm-waves
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)

3.
• WRC-15 did not result in much extra spectrum for mobile in Europe
– Only 1427 – 1452MHz and 1492 – 1518MHz are not already on the EU spectrum roadmap
– This will be for supplementary downlink, so not suitable for initial 5G deployment
– UHF band (470 – 694MHz) will not be considered until WRC-23
• WRC-19 agreed an agenda item for WRC-19 on spectrum for IMT
• The studies and decisions by WRC-19 are limited to the following bands, all above
24GHz
Already allocated to the Mobile Service in the Table of Allocations:
24.25-27.5 GHz
37-40.5 GHz, 42.5-43.5 GHz, 45.5-47 GHz, 47.2-50.2 GHz and 50.4-52.6 GHz
66-76 GHz and 81-86 GHz
Would require a new allocation to the Mobile Service in the Table of Allocations:
31.8-33.4 GHz, 40.5-42.5 GHz and 47-47.2 GHz
• 27.5 – 29.5GHz is not included, despite being strongly supported by USA, Korea and Japan
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)
Outcome of WRC-15 and preparations for WRC-
19

4.
• Every major mobile vendor has a research programme on 5G
• Many countries have national 5G research institutes or programmes
• There has been a historical tendency to focus on the highest peak bit rate
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)
5G Technology development and trials
– This has driven the studies towards wide channel
bandwidths and high frequencies
• Some aspects of mm-wave propagation are not yet
well understood
• Several vendors already have trial systems
– But they are not yet fully representative
– A limited range of environments
– Terminals, and even antennas, are not representative
– They are not mature enough to test applications
• Likely bandwidth of RF subsystem ~ 25%

5.
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)
WP5D Workplan for development of 5G
technology

6.
• LTE is already close to the Shannon limit for a single radio link
– The benefit of 5G in existing bands will come from new techniques in the access networks
– e.g. greater flexibility in the radio interface
• We expect that 5G deployment will be driven by new use cases (verticals)
– e.g. automotive, e-health, utilities, industrial automation, logistics, M2M
– Some aspects of these cannot be delivered efficiently to the mass market with 4G
– These use cases will generate new revenue streams
• Most of these use cases require wide area coverage
– We therefore envisage that the initial deployment of 5G will be in lower frequency bands
• In other countries (e.g. Korea, Japan), the driver for 5G appears to be ultra-fast
broadband
• The feasible use cases for > 24GHz for mobile are not yet well understood
– In particular, the ability to serve indoor users from outdoor ‘access points’
• Bands > 24GHz will not be identified until WRC-19
– Licence awards will not happen until 2021 – 22
• Where will the spectrum for initial deployment of 5G come from?
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)
Spectrum implications of 5G

7.
• By 2020, there will probably already be two ecosystems for mm-waves
– WiGIG at 60GHz for consumer electronics
– Automotive radar at 79GHz for vehicles
• The 66-71GHz band sits between these two bands
– It is probably close enough to share common RF components with either ecosystem
– Vodafone has therefore expressed interest in this band in Ofcom consultations
• Frequency bands below 66GHz undoubtedly have more favourable propagation
– For WRC-19, going down from 52.6GHzto 24.25GHz
– However, it is unclear if the difference is great enough to enable additional use cases
• There needs to be a common global implementation of 5G in devices
– This is likely to need a single RF subsystem for the new band(s), at least during the launch period
– The bandwidth of a subsystem is likely to be around 25%
Spectrum Policy Forum Cluster 2; mmWaves; - 5G access – C1
(Public)
Preferred frequency bands “above 24GHz” for 5G
(presented orally at the meeting)