rahinm tafazolli.pptx [recovered]wireless standards evolution – 5g monday, 17 november 2014...
TRANSCRIPT
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“Always Sufficient”
Professor Rahim TafazolliDirector, Institute for Communication Systems (ICS), 5GIC
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5GIC’s Mission
Monday, 17 November 2014 [email protected] #5GIC
• To become a world-leading centre for multi-disciplinary communications research
• To be a model for collaborations with academic institutions, industry and the community
• To deliver innovative communications solutions in order to generate social and economic value
• To influence future standards and regulation • Service providers• Infrastructure & device manufacturers
• Test equipment vendors• Standardisation bodies• Application & content providers• Industry forums and alliances• Regulators and policy makers• Academia and research centres• SMEs & other solution providers
Leadership
Research
Revenue
IPR
Teaching
GrowthLeadership 5G Services
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Wireless Standards Evolution – 5G
Monday, 17 November 2014 [email protected] #5GIC
1983 1991 2001 2011 2021 2031
5G
2041
4G – LTE/LTE‐Advanced
3G – WCDMA/HSPA/HSPA +
2G – GSM/GPRS/EDGE
1G ‐ TACS
Next generation Global standard around 2020
Research & Std
Research & Std
Research & Std
Research & Std
Timescale getting shorter between Research/Standardisation and Commercialisation
Systems tend to co‐exist rather then replace previous generations
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What is 5G?
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Long Ago, People Danced @ Concerts, Now They Video / Click / Share / Tweet…
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Future is about connectivity
Monday, 17 November 2014 [email protected] #5GIC
Communications & Control
Towards Digital Economy and Society
Modernisation of ageing industries Transportation Energy Manufacturing Health
Smart Homes, Cities and Countries
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Communication Networks
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Becoming Super National Critical Infrastructure
[email protected] #5GIC
By connecting the other National Critical Infrastructures
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Control- IoT
Monday, 17 November 2014 16
Connected Digital Economy
[email protected] #5GIC
Connected Devices of small and large sizes and capabilities(robots, cars, sensors, actuators, smart phones ………. driverless cars)
Major functionalities Sensing Data analytics Actuation
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Control and Modernisation of other industries
Monday, 17 November 2014 [email protected] #5GIC
Still 99% of THINGS are not connected
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UK industry benefits of big data
Monday, 17 November 2014 18
£ million, 2011–17 (2011 prices)
[email protected] #5GIC
Industry 2011 2012–17
Manufacturing 5,965 45,252
Retail 3,406 32,478
Other activities 3,446 27,929
Professional services 3,039 27,649
Central government 2,517 20,405
Healthcare 1,450 14,384
Telecommunications 1,465 13,740
Transport and logistics 1,360 12,417
Retail banking 708 6,408
Energy and utilities 660 5,430
Investment banking 554 5,275
Insurance 517 4,595
UK economy (total) 25,087 215,964
Source: CBER, 2012.
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From Data to Information to Intelligence
Monday, 17 November 2014 [email protected] #5GIC
Analytics is discovery and communication of meaningful patterns in data which can be translated into useful actions (actuation)
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CommunicationsMobile Broadband Cellular Communications 2020+
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5G in one sentence“Always Sufficient Rate” to give users the perception of Infinite Capacity
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Internet Services Trend
Monday, 17 November 2014 [email protected] #5GIC
Richness in Content Internet is getting more complex with rich multi-media content Web pages getting more complex Video and HD
Average file size on the web = 10 MBytesVideo accounts for ~99% of all bytes transferred
Usage Several orders of magnitude
New services Social networks
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UK Situation in 2020
Monday, 17 November 2014 24
Communications Critical radio spectrum shortage
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● SU‐MIMO 2 x 2
● SU‐MIMO 4 x 2
● SU‐MIMO 4 x 4
● SU‐MIMO 8 x 2
● MU‐MIMO 4 x 2
● MU‐MIMO 8 x 2
● CS/CB‐CoMP 4 x 2
● CS/CB‐CoMP 8 x 2
● JP‐CoMP 4 x 2
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Cellular WiFi- Throughput
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Cellular WiFi- Spectral Efficiency
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Bandwidth Floor
Traffic demand after WiFi off load of :• ~ 6% (case A2) in 2020• ~ 25% (case A3) in 2020
0
5
10
15
20
25
2012 2013 2014 2015 2016 2017 2018 2019 2020
Gb/s/km
2
Traffic ‐ Case ATraffic ‐ Case CTraffic ‐ Case DTraffic ‐ Case FTraffic case A1 (Low WiFi off load)Traffic case C2 (Low WiFi off load)Traffic case D2 (Low WiFi off load)Trafic case F2 (Low WiFi off load)Traffic case A3 (hHigh WiFi off load)LTE (40 MHz) @50mLTE (40 MHz) @100mLTE (40 MHz) @200mLTE (40 MHz) @300m
0
1
2
3
4
5
6
7
8
2012 2013 2014 2015 2016 2017 2018 2019 2020
Gb/s/km
2
Traffic ‐ Case DTraffic ‐ Case FTraffic case D2 (Low WiFi off load)Trafic case F2 (Low WiFi off load)LTE (40 MHz) @100mLTE (40 MHz) @200mLTE (40 MHz) @300m
Case A: Working population inner cityCase C: OfficesCase D: PeakCase F: Mean
ISD (Inter‐site Distance) represents cell densities
Ref: InterDigital‐ Surrey “Vision beyond 2020”
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Major Challenges
Monday, 17 November 2014 [email protected] #5GIC
Latencies
Reliability
Security/privacy
Energy Efficiency
Capacity
User Profiling
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5GIC approach
Monday, 17 November 2014 [email protected] #5GIC
Starts from end user QoE (H2H, H2D, D2D)Unlike 2G….4G , designed for end device
Capacity & Energy efficiencies, Latency , ReliabilitySpeed is not the differentiator between 5G and previous generations
Latency e2e and radio access
Spectrum and system agnosticNo difference between licenced and licenced-exempt bandsBroadcast, Cellular, WiFi technologies(Data, Video, Audio)
5G should start with high density cells macro cells1G….4G started with macrocells small cells
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New Air-Interface?
Monday, 17 November 2014 [email protected] #5GIC
Ultra Dense Cells Scalable to
Medium and low density cells
From narrow band to broadband services
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New Air-Interface and New KPIs
Monday, 17 November 2014 [email protected] #5GIC
Objectives ‐NOT link spectral efficiency
Low control signalling overhead for management,
No stringent time‐frequency control as in OFDMA
Light MAC protocol
Support fast and reliable spectrum sensing for opportunistic spectrum sharing with and without database support
Highly energy efficient
Flexible implementation of carrier aggregation across highly fragmented spectrum including license‐exempt band
Allow full‐duplex operation
Sub‐millisecond Air‐Interface latency
Scalable for device to device and machine type communications
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Will 5G provide Higher Speed ?
Monday, 17 November 2014 [email protected] #5GIC
Main reasons
Low latency: Full utilisation of advanced techniques potentials
QoE: Fast network responses
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Fixed & Mobile data rate evolution
Monday, 17 November 2014 [email protected] #5GIC
10 kbps
100 kbps
10 Mbps
1 Mbps
100 Mbps
1985 20101990 20001995 2005
2.4k4.8.k
28.8k56k
128k
ADSL 1MbpsADSL 3Mbps
VDSL 25Mbps
FTTH 100Mbps
GPRS 38 kbps
HSDPA 1Mbps
HSPA 2‐4Mbps
LTE 10‐100 Mbps
3G R9 384k
GSM 9.6 kbps
Fixed DataMobile Data
HSPA+ 5‐30Mbps
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New Radio Access Architectures
Monday, 17 November 2014 [email protected] #5GIC
Cooperation converts the distributed cellular system into a MIMO system with distributed antennas
Interference is good
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Smaller Cells – Fundamental capacity limits
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New Air-Interface and New KPIs
Monday, 17 November 2014 [email protected] #5GIC
Objectives ‐NOT link spectral efficiency
Low control signalling overhead for management,
No stringent time‐frequency control as in OFDMA
Light MAC protocol
Support fast and reliable spectrum sensing for opportunistic spectrum sharing with and without database support
Highly energy efficient
Flexible implementation of carrier aggregation across highly fragmented spectrum including license‐exempt band
Allow full‐duplex operation
Sub‐millisecond Air‐Interface latency
Scalable for device to device and machine type communications
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New RA Architecture
Monday, 17 November 2014 [email protected] #5GIC
Dynamic provisioning of resources
Data and Signalling resources separation
Reduce in signalling
Reduce in energy consumption
Cutting Energy, Cost and RF Emission
Signalling
Today
Deployment for 2020 traffic system
User data
Standby
Separating signalling and data
OffBy saving signalling
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5G Targets
Monday, 17 November 2014 [email protected] #5GIC
Speed should not be the only target
Targets:
Area Spectral Efficiency… bits/s/m2
Energy Efficiency…. bits/Joule
Latencies: E2E and Over The Air…
QoE….?
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University of Surrey, 5GIC
Monday, 17 November 2014 [email protected] #5GIC
Spectrum 40MHz (2.6,3.4, mmWaveGHz)
CLOUD
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5GIC High Level Technical Activity Roadmap
Monday, 17 November 2014 [email protected] #5GIC
Field Trials
2013 2014 2015 2016 2017 2018 2019 2020
Commercial
Development & Testing
5G Research
3G: Started in 1989, standards in 1999, commercial system in 2001‐20034G: Started in 2000, standards in 2008, commercial in 2010‐20115G: Already started, standards in ~2016 commercial in 2020
StandardisationRel. 12
5GRel. x
WRC15
Large scale end‐to‐end testbedApril ‘15 (4G Advanced+ 5G)
Testbed Emulators
Performance Evaluation Simulations
Q1 2018, (5G)
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Achievement highlights so far…
Monday, 17 November 2014 [email protected] #5GIC
Speed and spectrum efficiency Highest-ever speed wirelessly >800x highest speed in 4G (0.8Tbps) Interference is good
Uniform user experience, all over cell coverage 14x capacity increase at cell edge compared with state-of-the-art technologies
Energy Harvesting No more maximum talk time
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Intelligence for“always sufficient”
and QoEUse of Telecom Data