institute for communication systems home of 5g innovation centre

“5G, Special Generation”

Professor Rahim Tafazolli Director Institute for Communication Systems (ICS), 5GIC

Institute for Communication Systems Home of

5G Innovation Centre

ICS’S STRENGTHS

Wednesday,13July16 2

§  WELLKNOWNRESEARCHINSTITUTEIN

COMMUNICATIONSINTERNATIONALLY,

PARTICULARLYINEUROPE

§  GOODNETWORKINGWITHINDUSTRYANDACADEMIA

§  GOODAWARENESSOFSTRATEGICANDHOT

RESEARCHAREAS–

§  TOSOMEEXTENTWEARETHEDRIVERS

COMMUNICATION AND INFORMATION SYSTEMS


§  MOBILECELLULAR§  4G,5G,B5G

§  WIFI§  .11g,n,ac,ax..

§  SATELLITE§  BroadbandFixed

§  BroadbandMobile–BBonthemove

§  Broadcast–passengervehicles

§  MACHINETOMACHINE§  ZigBee,LTE-M

§  VEHICLETOVEHICLECOMMUNICATIONS§  802.11p,LTE-V

§  FUTUREINTERNET

§  IOT

University of Surrey, 5GIC

Wednesday,13July16 4 [email protected] #5GIC

WHAT 5G IS NOT


JUST MORE OF THE SAME

5G is


Enabler of Connected Economy and Society

WIRELESS CONNECTIVITY BETWEEN PEOPLE AND DEVICES

FOR THE PEOPLE


5G IN 2020 AND BEYOND

§  Enhanced Mobile Broadbandè 10/20Gbps or 1000x more capacity/area §  Massive Machine Type Communicationsè 106 devices/km2 §  Ultra-reliable and Low Latency Communicationsè >99.999 and <1ms

NEW RADIO


1.  OBE to the unavailable band between available fragments is the same as that of OFDM 2.  For single carrier design 3. SFDM is 5GIC proposal

9

FigureofMerit OFDM FOFDM WOFDM FBMC GFDM UFMC SFDM3

PAPR High High High High Moderate2 High Low

OBE High Low1 Low Low Low Low Low

SE Low Low Low High High High High

ComputaLonalComplexity

Low Moderate Moderate High High High Moderate

Short-bursttraffic No No No NoYeswiththe5GICsoluLon

Yes Yes Yes

Fragmentedspectrum No No1 Yes Yes Yes Yes Yes

L1Latency High High High HighLowwiththe5GICsoluLon

Moderate Low Low

Supp

ortfor

MIMO Yes Yes Yes NoYeswith5GICsoluLon

Yes Yes Yes

HigherordermodulaLon

Yes Yes Yes Yes,with5GICsoluLon

Yes TBI Yes

NOMA Yes Yes Yes Involved Yes TBI TBI

SCALABLE FDM

10

SCALABLE FREQUENCY DIVISION MULTIPLEXING

10 15 20 2510-3

10-2

10-1

100

Es/N0

CRLB

/ MSE

MSE with G dep. ZCMSE with G dep. SYMCRLB with GCRLB without G

5 10 15 20 25 30 35 40

10-4

10-3

10-2

10-1

100

Eb/N0 [ dB ]

BER

QPSK16QAM64QAM256QAM1024QAM

Best OBE

Lowest PAPR

CSI estimate’s MMSE bound approaching

Scalable with high order mod

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5

-70

-60

-50

-40

-30

-20

-10

0

10

Normalized frequency fs

Norm

alize

d PSD

[dB]

OFDMTB-GFDMHTO-GFDMHTO-GFDM-A

OFDM TB-SFDM HTO-SFDM HTO-SFDM-A

0 2 4 6 8 10 1210-5

10-4

10-3

10-2

10-1

100

PAPR in dB

CCDF

OFDM equ.10-Clus.GFDM α=0.5 2-ClusGFDM α=0.1 2-Clus

OFDM TB-SFDM HTO-SFDM

MU-MIMO MAP


Size of MU-MIMO

NET

WO

RK

TH

RO

UG

HPU

T

4x4 8x8 128 x128 1024x1024

LTE

MASS CONNECTIVITY


Towards 1 Million per km 2

•  NOVEL TECHNIQUE OF SCMA FOR IOT •  IN COOPERATION WITH HUAWEI •  300% MORE CONNECTIVITY THAN 4G

•  TRANSMISSION OF 4K ( ULTRA HIGH DEFINITION) VIDEO ON A MOBILE NETWORK

•  IN COOPERATION WITH HUAWEI AND BBC R&D •  1ST IN THE WORLD

RELIABILITY, RESILIENCE & AVAILABILITY

§  EQUALLY IMPORTANT TO LOW LATENCY

§  “ALWAYS SUFFICIENT”… MULTIPLE NETWORKS AND IMPOSSIBLE WITH ONE NETWORK

§  FIXED-MOBILE CONVERGENCE

§  SPECTRUM AGILITY: ALL SPECTRUM INCLUDING LICENSED AND LICENSED-EXEMPT BANDS

§  CELL EDGE CAPACITY PROBLEM

§  NETWORK AGILITY: TRANSPORT/NETWORKING/ROUTING PROTOCOLS, SOFTWARE-BASED NETWORK ARCHITECTURE AND

SDNETWORKING

§  DISTRIBUTED CONTROL BETWEEN DEVICE AND NETWORK. NEW FLEXIBLE MAC NEEDED (MORE CONTROL TO DEVICE) Wednesday,13July16 13

>99.9999..99

RESILIENCE BY DUPLICATION AND ADDING REDUNDANCY IS NOT THE ANSWER

LATENCY

§  LOW LATENCIES AT ALL LAYERS, NEW PARALLEL SIGNAL PROCESSING AND COMPUTING ALGORITHMS

§  MOST DELAYS IN PREVIOUS GENERATIONS DUE TO C-PLANE SIGNALLING

§  NEW END-TO-END SIGNALLING ARCHITECTURES §  NEW RAN §  NEW NETWORK ARCHITECTURE (CACHING, EDGE COMPUTING..)

§  NEW APPLICATION PROTOCOLS…


NOT ONLY FOR MISSION CRITICAL APPLICATION BUT MAKING NETWORKING AND ADVANCED RADIO TECHNOLOGIES WORK EFFICIENTLY

HIGHER SPEED → does not yield┴ LOWER LATENCY BUT LOWER LATENCY → yields┴ HIGHER SPEED

4G INITIAL CALL SETUP TOTAL DELAY (FROM RRC IDL > CONNECTED MODE) : ~ 80 MS

THROUGHPUT VS. BANDWIDTH AND LATENCY (ROUND-TRIP TIME)


§  BANDWIDTH CAPACITY: IDEAL THROUGHPUT A UE COULD GET: •  MAX. DATA RATE DIVIDED BY NUMBER OF ACTIVE UES IN A CELL

§  Round-trip Time (RTT): the RTT between UE and a requested content’s location can be: •  15 to 40ms if available at eNB, BBU or P-GW •  Up to hundreds of ms if not available at network edge

§  Question: How is UE’s throughput affected by these different values?

UE eNB P-GW ContentSource10-20ms

RAN

5-20ms

Backhaul

Up to hundreds of ms

Public Internet

THROUGHPUT VS. BANDWIDTH AND LATENCY (ROUND-TRIP TIME)


EXPERIMENT SCENARIO: SINGLE FILE DOWNLOAD

THROUGHPUT IS MEASURED USING WIRESHARK IN A CLIENT-SERVER-BASED TESTBED (FIXED NETWORK)

§  RTT AND BANDWIDTH ARE MANIPULATED VIA NETWORK EMULATOR §  SCENARIO: SINGLE FILE TRANSFER OVER TCP

20MBPS BANDWIDTH CAPACITY §  LARGER DOWNLOADS (>= 5MB) ARE NOT AFFECTED MUCH BY

LATENCY.

§  SMALLER DOWNLOADS (<= 1MB) ARE NEAR-LINEARLY AFFECTED BY LATENCY

§  AS A DOWNLOAD BECOMES SMALLER, IT IS AFFECTED MORE BY LATENCY (I.E., THROUGHPUT DROPS QUICKER AS LATENCY INCREASES).

Throughput vs. Bandwidth and Latency (Round-Trip Time)


Experiment Scenario: Single File Download

100Mbps BANDWIDTH CAPACITY

§  DOWNLOAD THROUGHPUT ARE AFFECTED MORE THAN UNDER 20MBPS BANDWIDTH.

§  UNDER HIGHER BANDWIDTH, IT IS EASIER FOR LATENCY TO BECOME THE BOTTLENECK.

§  LARGER DOWNLOADS (>= 5MB) ARE NEAR-LINEARLY AFFECTED BY LATENCY.

§  SMALLER DOWNLOADS (<= 1MB) ARE AFFECTED MORE BY LATENCY, ESPECIALLY AT 10-50MS (EXPONENTIALLY).

DATAANALYTICS


§  ENHANCEUSERQOE

§  INTELLIGENTNETWORKMANAGEMENT(OSS)ANDCONTENTCACHING

§  BUSINESSINTELLIGENCE

§  E-HEALTHCARE

§  ANDMUCHMORE

Data Set & result


§  RECORDSOFBBCIPLAYER:MORETHAN100MILLIONUNIQUEREQUESTSOVER30DAYS

§  USINGDATAOF25DAYSINLEARNINGPHASE

§  PREDICTINGPOPULARITYOFNEWCONTENTSINNEXT5DAYS

§ PREDICTIONACCURACYBETTERTHAN93%

Operations & Maintenance

C-RAN Baseband Units

5GIC Comm’s Room

Ultra-Dense Cluster(2) (AY Building)

5GIC Test-bed: Ultra-Dense Campus Test-bed

Umbrella Cell

University of Surrey Outdoor Campus

Small Cell

Ultra-Dense Cluster(1)

Macro BS

RRH

Ultra-Dense Cluster(3) ATI

FAP

AP

5G Soft-FDC Core

LTE Soft-Core

LTE Core (H/W)Vodafone Reading Test Centre

VPN Tunnel

FemtoRadios(x6,LTEFDD)

picoRRH’s(x6,pico-LTETDD)

AccessPoints(x6,802.11ac)

5GIC Indoor Deployment


TESTBEDEXPANSION


SDN/NFV and MEC Research, development and testing

Berlin Fraunhofer

Torino,Milano,Trento,Pisa,Catania,Venezia

TelecomItaly&

Ericsson

Guildford,Stevenage,Newbury,Basingstoke,Brighton,Greenwich

ECFundedProjecteHealthTestbed

Broadband&IoT

testbed

eHealth Testbed- Dementia


TOPICS AND SYSTEMS OF INTERESTS


5GANDBEYONDBELOW1GHZ,BELOW6GHZANDABOVETOTERAHERTZ

TOPICS

§  UNICAST/MULTICAST/BROADCAST

§  FIXED-MOBILEINTEGRATION

§  BROADBANDAIRINTERFACE

§  SDN/NFV/MEC/ORCHESTRATOR(SOFTWAREARCHITECTURESANDNETWORKING)

§  ICN

§  DATAANALYTICS

§  GEO-POSITIONING

§  LATENCY

§  RELIABILITY

§  NETWORK/DATASECURITY

§  VERTICALS

§  E/MHEALTH

§  WIRELESSROBOTICS

§  CONNECTEDTRANSPORTS

§  ETC…

SYSTEMS

§  MOBILECELLULAR

§  WIFI

§  SATELLITE

§  MACHINETOMACHINE

§  VEHICLECOMMUNICATIONS

§  FUTUREINTERNET

§  IOT


THANK YOU CONTACT:

[email protected]

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