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Dr. Chih-Lin ICMCC Chief Scientist, Wireless Technologies

CMRI, China Mobile

WWRF 5G HuddleSep. 22, London, UK

Vision 2020Perspective and Progress of CMCC

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Driving Forces of Wireless Future

•Fast traffic growth from both Mobile Internet and Internet of Thing

1000x

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3Smart Pipe

Public cloud

Private cloud

Manager cloud

GSM/GPRS/EDG TD-SCDMA

TD-LTEWLAN

Open Platform Friendly UI

•Rich type•CMCC Brand

2013

Special Service

Rebirth of CMCC Toward Future

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CMCC’s Solutions for Low-Carbon Society

More Healthy

Safer

More Convenient

SmarterAgriculture

MineOil field

Forestry…

CityHome

School

…

Online res.E. record

Remote care…

Online edu.E. Pay

Transportation…

300+ Wireless Cities

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Office Subway High-speed Train

Typical Scenarios

UHD Video Streaming

Augmented Reality

Cloud Storage

Online Education

ITS Smart Home

Typical Services

FreewayStadiumResidential Area

Mobile Internet services

High density High mobilityHigh traffic

Internet of Thing

Remote Medicine

Rich Requirements for 5G Era

Modern Agriculture

EnvironmentProtection

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5G Vision & KPI (Whitepaper, IMT-2020 PG, 29 May 2014)

Fiber-like access data rate and "zero" latency user experience

Performance value

User experienced data rate 0.1-1Gbps

Connection density 100M/Km2

E-2-E latency x ms

Mobility >500Km/h

Peak data rate x0 Gbps

Traffic volume density x0 Tbps/Km2

Efficiency Compared with 4G

Spectrum efficiency 5-15 times

Energy efficiency >100 times

Cost efficiency >100 times

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0.7Bilion users 0.9Million BTS 80GWH Power consumption

GSM/GPRS/EDGE TD-SCDMA

TD-LTEWLAN

238Million users; 0.50Million BTS 13GWH Power consumption

4.41 Million AP 2GWH power consumption

13.94Million users 0.41Million BTS

Special Challenge for CMCCHow to coordinate four networks to meet needs of 780M subs?

81x over last 5 years

Efficiency!Agility!

Data by 2014.6

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CMCC’s Timeline for 5GGreen Communication Research Center established in Oct. 2011, initiated 5G Key Tech R&D.

• ITU-R M.[IMT.FUTURE TECHNOLOGY TRENDS] to be released on July, 2015• ITU-R M. [IMT.Vision] to be released on Oct., 2014

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CMCC 5G Themes: “Green & Soft”

From UE toInfrastructure

From CN toRAN

Soft Green

IT Based core network

Anchor BS

Nano AP

Virtual BB poolContent Pool

Anchor BS

Anchor BS

Massive RRU

Relay D2D

relay

D2D

Indoor Coverage

User Centric Access Network Supporting exclusive usage of

available spectrum of each user

LSAS

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Rethink Shannon(EE/SE Co-design)

Rethink Ring&Young(No More “Cell”) Rethink Signaling/Control

(Load/App Aware)

Rethink Antenna(“Invisible” BS)

Rethink Spectrum(New Wave/Duplex/Access)

SNR

C

“Towards Green & Soft: A 5G Perspective,” IEEE Comm. Magazine, Vol.52, Feb.2014

0 1 2 3 4 5 60

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10x 10

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SE (bps/Hz)

EE

(bit/

J)

Pc= 0

Pc = 20 W

Pc = 10 W

Monotonic tradeoff

Given EE, two SE values exist

Rethink Infrastructure(Reprogrammable NW/AI,

Big Data)

Six “Pearls” for 5G

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1000x Capacity

10 peak rate

X ms latency

500km/h

x0 spectrum efficiency

x00 energy efficiency

x00 cost efficiency

Rethink Shannon

Rethink Ring/Young

Rethink Signaling/Control

Rethink Antenna

Rethink Spectrum

EE-SE joint design

Shared Spectrum

Massive MIMO

Hi-Freq. Comm.

Full Duplex

NOMA

New Waveform

C-RAN

SDN/NFV

SON

UDN

Multi-RAT

MTC

D2D

Security

From “Pearls” to technologies

Rethink Infrastructure

……

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Software Defined Air-Interface: Future Proof

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Waveforms Frame Structure

Multiple Access

Modulation Coding

ProtocolsSpectrum

Duplex

… SDAI with programmable parameters

“One” for “all”

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Traditional BS roll out is no longer sustainable

• Environment unfriendly• Hard for site selection, network planning• High cost• High power consumptionLSAS@CMRI

Large irregular antenna arrays with 128-256 antennasabsorbed into environment/existing cell sites

SmarTile

Lower PowerHigher Capacity

“Invisible” BS: Reshape Future NW

An Elegant Practice of Large Scale Antenna System

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SmarTile as a Pixel of a Character, Letter, Logo,…

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SDN/NFV/C-RAN: Essential Elements

…

RRU

RRURRU

RRU

RRU

RRU

RRU

Virtual BS Pool

Distributed RRU

High bandwidth optical transport

network

Real-time Cloud for centralized

processing

…

• Centralized Control and/or Processing• Collaborative Radio• Real-Time Cloud • Clean System Target

IT HW platforms (x86, Power, ARM)RT-Hypervisor

Virtual Machine Pool/ RT-Guest OS (Linux)

CPRI adaptor

SoftwareStack

GSM BS

SoftwareStack

TD-SCDMA BS

SoftwareStack

TD-LTE BS

CDN/Web cache

Service VM

L1 accelerator

IndependentSoftware

Vendors

High volume Ethernet switches

High volume standard servers

High volume standard storage

Orchestrated,automatic & remote install.

IndependentSoftware Vendors

Core Network – SDN/NFV Access Network – C-RANMWC2014

vEPCSoft BS

Commercial UE

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Network Evolution: Rational Consideration

• Non backward compatible

EPC NewCN

Fixed

CN

Fixed access/

WiFi

NewRAT*

4G evolution(base coverage

layer)

• Non backward compatible

EPC NewCN

Fixed CN

Fixed access/

WiFi

New RAT*

4G evolution(base coverage layer)

Native IP based New CN for performance optimization

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IoT: Properly Tiered

Internet of Thing

Concentrator5G

5G

Wearable Devices Smart HomeVehicle Network

Existing Solutions & new AI

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China Government R&D Funding on 5G

• Y2014, ~0.16B RMB on 4 technical fields:− 5G framework technologies− Wireless transmission technologies− Wireless network technologies− Evaluation&Test technologies

• Y2015, technical fields to be investigated:− Software defined base-station− mmWave technology for in-door access− Virtualization technology for wireless

access network− Innovative modulation & coding schemes− ...

• Y2014, ~15M RMB on:− Post-IMT-Adv key technologies and

development strategy • Y2015, technical fields to be

investigated:− Network architecture for IMT-2020− Evaluation methodology for IMT-2020− Analysis and evaluation of spectrum for

IMT-2020− Key technologies for next generation

WLAN− Key technologies for low latency/high

reliable system− ...

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Global Partnership

•Chair of Requirement WG and Co-Chair of Technology WG of IMT-2020 (5G) PG•Chair of FuTURE Forum 5G SIG•Chair of Requirement WS of NGMN 5G Program•NOC member of ETSI NFV ISG•Co-author of ETSI NFV ISG WP•Founding member of Open NFV Initiative•Executive Board member of GT•Chair of SPS WG of GT•Founding member of IEEE GCC TC•Steering Board of WWRF

•Extended NFV scope to include RAN, thus truly end to end•Lead C-RAN projects in NGMN since 2010•More than 20 proposals in NGMN•More than 20 proposals in IMT-2020 PG•More than 40 proposals in GT•More than 50 paper published/accepted in top IEEE journals and proceedings, including, “Towards Green & Soft: A 5G Perspective”, IEEE CommMag. Feb, 2014

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Summary• 5G Era v.s. 5G

• Information a finger away, everything in touch • QoE, KQI, KPI

• Green & Soft: Path toward 5G, a collective wireless future• Rethink Shannon, Ring&Young, Signalling/control, Antenna, Infrastructure,

Spectrum• Revolution Evolution

• mmWave• Small Cells, HetNet, C-RAN (SDN/NFV)• Densification, UDN, Sea of RRUs• C/U separation, Macro-Aided Data Only Small Cell, DL/UL separation• 3D MIMO, mMIMO/LSAS, Invisible BS• Unified TDD/FDD, Full Duplex• Video, Hologram, Immersive Experience• Phone/Pad/Watch, Wearables, Implantables• Big Data