5G Spectrum UK Spectrum Policy Forum Cluster 1 5G workshop, 17 May 2016

Transcription

1 5G Spectrum UK Spectrum Policy Forum Cluster 1 5G workshop, 17 May 2016 Chris Cheeseman Spectrum Strategy Director Chair, SPF Steering Board BT Group Issue 1 16 May 2016

2 Different 5G applications may be delivered with a combination of wireless technologies and may require different frequency bands Slide 2 Within the ITU vision for IMT-2020 and in other 5G industry discussions, three broad themes for 5G applications have been discussed (Enhanced mobile broadband, Massive Machine Type Communications and Ultra-reliable Low Latency Communications). Different 5G applications may be best served in different spectrum bands Source: ITU-R Recommendation M (2015) 5G may include existing and new radio technologies and will primarily require access to suitable licensed spectrum, but complimented by licence-exempt spectrum in some cases.

3 The UK Spectrum Policy Forum Cluster 4 looked in details at four use cases and plotted a view of what these may require cases 1/2 Slide 3

4 The UK Spectrum Policy Forum Cluster 4 looked in details at four use cases and plotted a view of what these may require cases 3/4 Slide 4

5 The ITU vision for IMT-2020 anticipates significant enhancements to key technical capabilities compared to IMT-Advanced Slide 5 Peak data rate (Gbit/s) User experienced data rate (Mbit/s) Area traffic capacity 2 (Mbit/s/m ) Network energy efficiency IMT-2020 IMT-advanced Spectrum efficiency Mobility (km/h) It is generally understood that IMT-2020 equates to 5G and IMT-Advanced relates to 4G The increased technical capabilities of 5G will have an impact on the spectrum needs. Different spectrum bands may be optimal to deliver different 5G capabilities Connection density 2 (devices/km ) Latency (ms) Source: ITU-R Recommendation M (2015) M

6 5G delivery will require access to suitable spectrum bands, including bands already identified/assigned to mobile and new bands Slide 6 Existing mobile spectrum bands are licensed on a technology neutral basis and may be used to deliver 5G capabilities where required. Additional mobile bands that are yet to be assigned should also be made available on a technology neutral basis to potentially support delivery of 5G mobile. Licence-exempt spectrum is an important supplementary resource to complement licensed spectrum in certain scenarios, for example where cellular and WLAN/other indoor technologies are combined to deliver 5G experience. For very high speed shorter range applications the millimetre wave bands are most suitable and globally harmonised bands need to be identified, including in the ITU WRC-19 preparatory process (see next slide). Other bands not considered in the WRC-19 activity (e.g. below 20GHz) may also become of interest to bridge the large gap between existing band and new millimetre wave bands.

7 ITU WRC-19 Agenda Item 1.13 identifies several candidate mmwave bands that could be identified for global harmonisation for IMT (5G) Slide ?????????? 20 GHz 30 GHz 40 GHz 50 GHz 60 GHz 70 GHz 80 GHz Investigation of the current use of the candidate bands is ongoing in several fora: NGMN, GSMA, CEPT etc. Sharing studies to be conducted in ITU TG5/1 and study of spectrum needs in ITU-R WP5D. One or more globally harmonised bands is the objective. Ofcom sees 32GHz as a promising candidate, but like many of the candidate bands (25GHz, 38GHz) it is heavily used for fixed links; it is also already assigned indefinitely by auction. Other candidates have growing fixed link use (70 GHz, 80 GHz); other bands may have less existing use e.g GHz. Studies are needed to look at all bands in detail. Some countries are considering bands not identified for study e.g. 28 GHz.

8 It will be important to secure a European and national regulatory environment that incentivises long-term investments and innovation Slide 8 Network densification will require access to sites with a minimum of planning obstacles and at affordable costs the reform of the Electronics Communication code is one important step in this regard. Suitable spectrum (low and higher frequency) needs to be harmonised and released in a timely manner, with licence terms that incentivise investment (e.g. technology neutral, indefinite duration, avoiding inappropriate coverage obligations). Auction designs should not seek to maximise prices and annual fees should be the minimum necessary to promote efficient use so that investment in networks can be maximised. The proposed EU 5G Action Plan and review of the EU Telecomms Framework will be important to achieve reforms needed to create the best possible environment for spectrum and network investments to deliver 5G experience.