5g- vision to enabling technology
TRANSCRIPT
5G: FROM VISION TO ENABLING TECHNOLOGY
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AGENDA
VISION● USER DEMAND BY 2020
● EXPECTED FEATURES TO BE ENHANCED IN 5G
● MOBILE BROADBAND EVOLUTION BY 2020
ENABLING TECHNOLOGY
● ASPECTS OF RECENT 5G RESEARCH INITIATIVES
● RESEARCH GROUPS & THEIR WORKS© Rupendra Nath Mitra | January 2016 | Photo Courtesy: www.pexels.com |
VISIONUSER DEMAND 2020 ENHANCED FEATURES IN 5G EVOLUTION 2020
● CLOUDIFICATION OF INDUSTRY OPERATIONS
● MASSIVE MACHINE TYPE COMMUNICATION
● CRITICAL MACHINE TYPE COMMUNICATION
● ONE NETWORK FOR MULTI-INDUSTRIES
● REDUCED LATENCY BY 5x
● 10x TO 100x INCREASED
DATA RATE
● LOWER ENERGY
CONSUMPTION
● MORE PERVASIVE
COVERAGE
● FLEXIBLE NETWORK
CAPACITY
● MORE ROBUST: SCALABLE, SECURE, RELIABLE
● BROADBAND● > 5Gbps BROADBAND
ANYTIME ANYWHERE
● PERSONALIZED MEDIA
SERVICE
● IoT: CONNECTED SOCIETY OF 25 B DEVICES
● SEAMLESS DATA SHARING AMONG HAND-HELD DEVICES
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MOTIVATION
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Latency less than 1 ms Large number of devices so large Signaling requirement
ENABLING TECHNOLOGY
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5G RESEARCH
ASPECTS
mmWave ( > 10 GHz),
mMIMO, Beamformin
g
Architecture
D2DCommunica
tion
ModulationTechnique
Cloudification
Protocol
Satellite
Energy Efficiency
High Frequency Systems
ENABLING TECHNOLOGY Cont.RESEARCH BODIES
GLOBAL: 3GPP, ITU-R, NGMNNORTH AMERICA: 4G AMERICAS, ACADEMICS RESEARCH
EUROPE: METIS, 5GPPP, 5GIC, 5GNOW, EMPhAtiC
CHINA: 5G Promotion Group
KOREA: 5GFORUM
JAPAN: ARIB
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CANDIDATE WAVEFORMS & THEIR KEY FEATURES FOR 5G:
OBJECTIVE: AN EFFICIENT AIR INTERFACE THAT NO LONGER DEPENDS ON STRINGENT ORTHOGONALITY & SYNC REQUIREMENTS
● GFDM: Block based modulation approach and reduces equalization & sync issues
● UFMC: Unlike OFDM, it uses sub-band filters & not cyclic prefix● FBMC: Training sequence used for sync & channel estimation● BFDM: IT exploits bi-orthogonality, a relaxed version of orthogonality
MODULATION SCHEME: BETTER THAN OFDM
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DRAWBACKS OF OFDM:
● HIGHLY SENSITIVE TOWARDS FREQ ASYNCHRONICITY
● HIGH PAPR● OFDM’s APPLICABILITY WITH mmWAVE &
REQUIRED HARDWARE IS NOT CERTAIN
BODIES WORKING ON
● 5GNOW● METIS● EMPhAtiC
mmWAVE, mMIMO & BEAMFORMING
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● ERICSSON DEMONSTRATED 5 Gbps DATA TRANSFER IS POSSIBLE WITH mmWAVE
● NOKIA TOUCHED 10Gbps PEAK DATA RATE USING MASSIVE MIMO & 3D BEAMFORMING AT BROOKLYN 5G SUMMIT
● NYU EXPERIMENTING WITH mmWAVE PROPAGATION AND PATH LOSS MODEL● BIOLOGICAL IMPACTS OF USING HIGH FREQUENCY DEVICES TOO CLOSELY TO
OUR BODY
TO ACHIEVE 1000x END USER DATA RATE ON HI MOBILITY
● mmWAVE (3-300GHZ) ● mMIMO● BEAMFORMING● TRAFFIC OFFLOADING TO UNLICENSED
SPECTRUM (5 GHz Wi-fi)
BODIES WORKING ON
● NYU (USA)● METIS● ETRI,5Gforum
(KOREA)● EMPhAtiC
ROLE OF SATELLITE
RESEARCH AREAS
● REDUCTION OF LATENCY● ON-BOARD BEAMFORMING● MULTIBEAM FORMING
PERVASIVE COVERAGE
● COVERAGE IN RURAL AREAS
● AT SEA● IN THE AIR ROUTES,
35000 FEET ABOVE THE GROUND LEVEL
BODIES WORKING ON
● 5GIC (UK)● 5GNOW
(GERMANY)
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ENERGY EFFICIENCY
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● MORE THAN 0.5% OF THE WORLD’S TOTAL ENERGY IS CONSUMED BY MOBILE NETWORKS
● INCREASED NUMBER OF SMALL CELLS LEADS TO MORE ENERGY REQUIREMENTS
● APP BASED SMART PHONES ARE ENERGY HUNGRY TOO
● HIGH FREQUENCY OPERATIONS INCUR HIGH ENERGY CONSUMPTION
WORKING BODIES: METIS, KTH, ARIB (JAPAN)
CLOUDIFICATION
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Opportunities in Virtualization
● Flexible resource allocation
● Open & Distributed Cloud for Reduced IP & Transport Cost
● Improved Latency & QoS
● Multi-Tenancy
Challenges
● Integration with distributed legacy/transport/access network
● Multi-Vendor & different Protocols
Teleco Virtualization ArchitectureApp Layer
Virtualization
Common H/W
● Cloudification of RAN
● Core network Cloudification
● Network Function Virtualization
BODIES WORKING ON
● 4G AMERICAS● ETRI● METIS
KEY CONCEPTs
● INFORMATION CENTRIC NETWORKING (ICN)
● CLOUD RAN
PROTOCOL
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● COMPATIBILITY WITH OTHER OPEN SOURCE PROTOCOLS
● AN OPEN TRANSPORT PROTOCOL
● USER MAY BE CONNECTED TO MORE THAN ONE BASE STATION EVEN FROM DIFFERENT SERVICE PROVIDERS
● COMPATIBLE WITH LEGACY NETWORK
WORKING BODIES: 3GPP, ITU, NGMN
D2D COMMUNICATION
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RESEARCH AREAS
● NETWORK ASSISTED D2D● ENERGY EFFICIENT D2D IN mmWAVE● POSSIBILITY OF BEAMFORMING FOR 1 Tbps
DATA RATE
OBJECTIVE
● RELAY COMMUNICATION
● PROXIMITY SERVICES (ProSe)
● D2D IN mmWAVE
BODIES WORKING ON
● 5G CHINA● QUALCOMM
(USA)
HI-FREQ SYSTEMS DESIGN
RESEARCH AREAS
● IF CORE CONNECTIVITY COULD ALSO BE REPLACED WITH mmWAVE INTER NODE LINKS WITH SUPPORTING HARDWARE
● ENERGY EFFICIENT HIGH FREQUENCY HARDWARE
● STUDY THE PRACTICAL BEHAVIOR OF SYSTEMS UNDER HIGH FREQUENCY OPERATIONS IF THEY PERFORM AS PAR PROPOSED THEORY
OBJECTIVE● GHz TO THz RANGE
OSCILLATOR AND SUPPORTING HARDWARE DESIGN
● HI FREQ SYSTEMS AND THEIR BEHAVIOR STUDY
BODIES WORKING ON
● NYU (USA)● KTH
(SWEDEN)● NI,
QUALCOMM (USA)
© Rupendra Nath Mitra | January 2016 | Photo Courtesy: www.pexels.com |
© Rupendra Nath Mitra | January 2016 | Photo Courtesy: www.pexels.com |
SYNOPSIS
● VISION OF 5G: A Networked Society 2020
● KEY MOTIVATIONS: > 10Gbps speed & Low latency● TECHNICAL SPECS:
○ mmWAVE Carrier (3-300 GHz)○ Beamforming○ mMIMO○ Hi speed D2D data transfer○ Cloud Based Services○ Energy Efficient Hi-Freq. Systems
BY RUPEN MITRA
© Rupendra Nath Mitra | January 2016 | Photo Courtesy: www.pexels.com |