Is Affordable Broadband in 5G a Challenge or an Opportunity?

Transcription

1 IEEE 5G Summit University of Pretoria Is Affordable Broadband in 5G a Challenge or an Opportunity? F Mekuria, PhD., Chief Research Scientist CSIR Meraka Institute Pretoria 0001, South Africa.

2 Outline Affordable Broadband Definition! Proposed 5G standard : An Urban Standard? Lack of emerging market use case scenarios? Bridging the Urban & Rural Divide? Synergetic Opportunities for 5G & Affordable Broadband 5G Initiatives : Local & International Contributions for WRC-19, Rel. 15 & 16 of 5G standards! The 4 th leg of 5G : Affordable Broadband. IEEE ComSoc & CTN 5G Series of articles. Can 5G support the struggle for Digital Inclusion in the knowledge economy?

3 Defining Affordable Broadband : SA-Connect 5 Mbps, 90% of the Population by Mbps, 50 % of the population, Thank you Cost of Broadband per month should be ~ 2.5 % of average income! International Definitions vary in Bandwidth & Cost of Broadband: (ITU,ATU, FCC, Ofcom,..) 2

4 Synergetic Opportunities for 5G & Affordable Broadband Broadband GDP : High demand for Affordable Broadband. & Societal ICT based services. Demand from Internet Service Industry to connect the next billion unconnected. Thank you 5G Research on Energy Efficiency & Green Networking Rural 5G Research on Spectrum Sharing & Spectrum Toolboxes Rural Internet 5G Research on SDN/NFV Cost of infrastructure. 5G Enabled Digital Transformation Unique Features : Low Power Networks & Spectrum Flexibility! Enabling Regulatory Frameworks & Co-existence! 2

5 Addressing the 78+ % Unconnected Urban & Rural Divide! How to get the Terabytes/sec submarine cable bandwidth inland! - GLSD enabled DSA networks! Co-existence & Affordability? Broadband ~ GDP

6 ITU-R Definition of 5G Use cases : The legs Usage Scenario Applications Requirements Enhanced Mobile Broadband Ultra Reliable Communications UHD Video, Virtual Reality, cloud gaming Industrial Automation, Self-driving cars 1, 10, 50 Gb/s. (6-15 GHz Thank you band) Low latency ~ 1.5 ms Massive machine Type Communications Affordable Broadband 2 Smart-home, Sensor Nets Ultra low cost rural connectivity Energy efficiency, Low BW Mb/s Low Power/ Green Energy Networks Spectrum Flexibility and Toolboxes: Dynamic Spectrum Access Networks (DSAN)

7 Under-utilization of Allocated Radio Frequency Spectrum : Need for Spectrum Sharing & Channel Aggregation! Not Allocated CSIR 2017

8 Mobile Wireless Standards : Iceberg Ahead! The mobile revolution, > 7 Billion Subs. Broadband as a basic necessity for all. ~ 22 % Broadband Connectivity in Africa (ITU)! Thank you 1000x Increase in Traffic by ~2020! o Internet of things (IOT) & the 50 Billion Devices for M2M connectivity o Increased Bandwidth Requirement for Wireless Services (e-health, e-edu, e-bank, e-gov,. o Increased number of broadband Subscribers + Devices: Smart phones & Tablets o Need for more Spectrum a Network Capacity 2

9 Wireless Network Capacity : Shannon s Formula Spectrum Sharing Network Capacity = X X Spectral Efficiency Amount of Spectrum Number of Base Stations Densification 9 CSIR 2015

10 A Model-Based Approach to Spectrum Sharing & Dynamic Spectrum Management (Augmented with Spectrum Sensing!) SSD

11 Spectrum Databases : Turning Spectrum Scarcity to Spectrum Abundance RF spectrum is a scarce national resource Shannons Formula: C = B. log S N Dynamic Spectrum Access (DSA) Thank you Co-existence Toolbox (GL-DSA) and sharing in: {F, S, T, P t } dimensions Future Wireless: Cognitive Radio Technologies: Rogue Device Detection & SKA Application SKA Radio Quite Zone TVWS 11

12 Affordable DSA based TVWS Broadband Network Fixed Wireless TVWS Base Station: Network trial in Western Cape Results: Connected 10 schools some already had ADSL connectivity Served over students with 4Mbps (average) ~ 16 Mbps peak Rural Schools TVWS BS & Antenna Health Clinics Co-existent Operation for over 2 years without causing any interference to TV broadcasting ICASA Fiber Connection Municipality TVWS network for M2M & IoT TVWS Network : Industry Ghana, Accra GTUC Botswana, BITRI DM GLSD WISPs

13 Africa-wide DSA TVWS Broadband Network WP 3: Implementation of GTUC TVWS Test-Bed Lead Partner: GTUC GTUC Tesano (main) Campus GTUC Abeka Campus 4 km 2 km Accra Girls SH School 5 km BS - GTUC Main Campus 9 km 8.5 km St. Mary s SH School Achimota SH School 5 km Odorgonoi SH School WP 2: TVWS Test-bed Implementation Support Lead Partner: CSIR Supporting Partner: GTUC Accra SH School Internet WP 1: TVWS Capacity Building Lead Partner: CSIR CSIR CHPC WP 4: Hosting of Ghana GSDB Lead Partner: CSIR CSIR Geo-location Spectrum Database

14 International Networks UK OFCOM Setting a Global Dynamic Spectrum Standard Spectrum Toolboxes Future Wireless Networks WSD, PMSE Contributing to Development of the Tools, Standards & Policy for Global Dynamic Spectrum Access & Sharing in Future Wireless Networks

15 4 th Leg of the 5G Mobile Standard: Affordable Networks Based on Spectrum Sharing Health IMT-2020 IoT/M2M Contributions to 5G Standardization for Rural 5G and connecting the Next Billion with Affordable Broadband : IEEE Com Society, Dec. 2015, WSDBs beyond the TV Band and Co-existence with LTE/5G standards: 2 PhDs 5G & Disruptive Innovation : Dynamc Spectrum Access Networks Organized 5G & DSA Forum at IEEE Dyspan 2017!

16 Smart Networks Provided by 5G for M2M & IoTs GLSD CSIR 2017

17 Smart Phone Architectures & Service Proliferation 7B 2016 Voice Control

18 Future Wireless B Network Devices RF Sense PAWS++ A-GLSD A-GLSD Demodulate Cognitive Decode Engine+Sensing Source SDR Modulate Encoder Sensor Transd ucer Signal Pre- Proces sing Source Software Defined Radio; Software Defined Network Control & management, Software Defined Radio & Spectrum Resource allocator CSIR 2017 CSIR 2013

19 Spectrum Sharing & DSA regulation Challenges Driven by National Development Plans : BB GDP A desire to harness and effectively utilize National Spectrum Resources for Affordable broadband innovation. Resource Constrained Telecom Regulatory Authorities. Roadblocks by Short- term Thinking : TV Broadcasters & Mobile Network Operators White Space Spectrum Identification, Co-existence & Regulatory Toolbox Maturity! ~ CSIR GLSD ~ Ofcom /FCC Co-existence manager : GLSDs Supporting Development of Innovative DSA Regulations: ICASA,.Ghana-NCA,..Botswana, Malawi,..

20 5G International Standardization Efforts METIS2020, H2020_5GPP,.. Europe Global 5G Alliance, TIA,. US Korean 5G Forum Initiatives. Korea IMT2020 (5G) Promotion Group, China IEEE 5G Initiative, Spectrum, Network & Device R&D ITU 5G Focus Group: IMT2020, ITU WRC 19. 5G Next Gen Mobile Network (NGMN) : Operator lead Use cases, Spectrum, IPR,.

21 ICASA 5G Forum & 5G Research Alliance Perform R&D in proposed 5G network & spectrum standards: propose relevant Network & Spectrum use cases for South Africa and emerging economies. Contribute and participate in 5G Standards supported by R&D results, Addressing the unique use cases of South Africa and developing economies. Support ICASA, African Regulators & Industry in Affordable Broadband Innovation.

22 Conclusion Spectrum Sharing & DSA regulation : Spectrum, Co-existence & Regulatory Toolboxes for White Space Networks! Defining a 4 th leg for 5G : based on spectrum sharing and affordable broadband? The Emerging Economy Context! Smart Spectrum Sharing & Green Network R&D to contribute to ITU 5G Vision and standards (ITU IMT2020, 3/5GPP Release 15, WRC-19, ). Smart DSA Networks and Regulation to enable IoT/M2M? ICASA 5G Forum and R&D Alliance to Contribute to the 5G Standard and improve impact of 5G in Emerging Economies. How can Emerging Economies Benefit from the 5G Digital Transformational Impact : New Industry, Job creation,...

23 It is in our hands to make a difference!..n. Mandela. Thank You! fmekuria@csir.co.za CSIR 2017