1

Bringing 5G into Reality

Radhey Shyam Sarda

Director- Wireless Solution Sales

2

Need Network to Support Higher Productivity & Newer

Services

Use Cases

Traffic/Revenue

Body The Long Tail

Voice

Web

Video

Massive IoT

Vehicular

Telematics

Tele-

operation

AR/VR MirrorSys High Speed

Railway

……

Reduce

Cost/GB

1ms Latency

Up to 1M

Connections/Km2

Up to 10Gbps

Throughput

Long Tail Use Cases Require Varying Network Capabilities

4

Discussions During Deployment of 5G Network

Spectrum Strategy Cloud

Architecture

Site

Configuration

Bearer Network

5

C-Band & Group 30/40 to be Global Harmonized Bands

50 40 30 20 60 80 70 90 GHz

Group30 Group40 Group80 Group50

Support

28/37/39/66GHz Support

28/38GHz Support

30~50GHz

Group 30/40 Supported by Europe/U.S./Japan/Korea

Support

26GHz

Frequencies

(MHz)

Region 1 Region 2 Region 3

EU Africa Arab C.I.S N.A L.A Asia

3400-3600 Y Y Y Y Y Y Y

C-band to be a global 5G Band with at least 200M in Sub6GHz.

Candidates of WRC-19

Sub6G

mmWave

6

Role of Different Bands in a 5G network

Urban Suburban Rural

G30 G40 G70

C-Band

Sub-3GHz Basic Coverage Layer

Capacity Layer (3.5GHz ~100MHz BW)

Hotspot Capacity Layer (~1GHz BW/Band)

7

UL & DL Decoupling for Early 5G Deployment

DL 3.5GHz NR

UL 1.8GHz LTE/NR

Concurrency

DL 3.5GHz NR

UL 1.8GHz NR

Improve Utilization of Legacy Spectrum Extend C-Band Coverage

3.5GHz UL+DL

3.5GHz DL

+ 1.8GHz UL

Extended Coverage

4G 5G NR

Spectrum

8

Multi-Antenna Significantly Improve Capacity

in Sub-6GHz

C-Band + M-MIMO Boost Capacity with

Affordable Complexity

Start with 4T4R within Sub-3GHz FDD

2T2R@4G

4x4

@ 5G

4x2 eMIMO

@4.5G

4x4

@4.5G

Spectrum Efficiency

1

2x 1.3x

>3x Mbps

57Mbps

1367Mbps

1.8GHz (20M) 2T2R

3.5GHz (100M) 64T64R

DL Average Cell Throughput

~24x

Probability 0

100

...

10000

0 50% 100%

9

From SingleRAN to CloudRAN, Essential to Prepare for

5G

Cell centric cellular UE centric no cell

1 Transformation

4 Decoupling

UL & DL Control & Data Physical Topology

& Service UE & Site

AAU

Cloud BB

RAN-Real Time

IP IP

RAN-Real Time RAN-Real Time

Pico Micro

RAN-Non Real Time

Cache …… GW APP

RAN-Real Time

IP IP

CloudRAN MCE

Macro(LTE/5G)

RRU

10

Making Bearer Network Ready for 5G

Low latency & High throughput Challenges 5G Transport: 3 Hops & 100G WDM in Metro

5G Requirement: Single sector >5Gbps，Latency <5ms

500M

bps

5Gbps

0

1000

2000

3000

4000

5000

6000

LTE 5G

10X

• Currently：Limited bandwidth, High Latency

1/10

5ms

~7ms

50ms

GE Ring

Convergence Core

10~15 hops E2E Latency >20ms

6 sites Sharing GE

Forward Path

Router OTN

Core

Layer

Convergence

Layer

OTN

Forward path

Dark fiber

CloudRAN CloudRAN

V2X

11

Joint Efforts to Bring 5G into Reality

…

• 10+Gbps@200MHz BW

• 3D Beamforming

• 26 Layers

C-band

• 5Gbps+20Gbps • 8 + 8 Layers

C-band & 28GHz Dual-Connectivity

• 40+Gbps@1GHz BW

• 8 Users

• 16 Layers

28GHz

C-band & 28GHz Mobility

• Inter-cell & Intra-cell

• 7 Gbps @ 300m for 28GHz

• 600MHz @ 1km for C-Band

• 50 km/h

12

Take away: Bringing 5G Into Reality

• UL & DL Decoupling Enable C-Band NR to Co-Site with 1.8GHz LTE

• Massive MIMO on C-Band, 4T4R on Sub-3GHz Band

• CloudRAN is Essential to Prepare the Network for 5G Deployment

• Ultra Bandwidth & Low Latency Bearer Network is Essential for 5G

• C-Band & Group 30/40 to be among first set of Global 5G Bands

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limitation, statements regarding the future financial and operating results, future product

portfolio, new technology, etc. There are a number of factors that could cause actual

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Thank You

Keep on Exploring Far and Wide

On 5G journey