Mobile Broadband

Mobile Broadband Solution

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

3

Rapid increase of 3G subscribers

Compelling multimedia applications

Increasing shipment of Smart phones

Wireless network replace fixed network

By 2014, monthly worldwide mobile data traffic will exceed the total for all of 2008*

Source: ABI Research, Apr’09

160200

million

590885

million

operator No. of users operator No. of users

Source: Wireless IntelligenceGSMA&CDG, Nov. 2009

2005 2009

Mobile Data Traffic vs. Mobile Data Subs

Source: TeliaSonera

2009

Global Mobile Data Traffic Growth

UMTS/HSPA is the First Choice of Mobile Operator

Mobile CarrierMobile Carrier NetworkNetwork

AT&T GSM/UMTS/HSPA

NTT DoCoMo PDC/UMTS/HSPA

Verizon CDMA1x/EV-DO/WiMax

T-Mobile GSM/UMTS/HSPA

Telefonica GSM/UMTS/HSPA

FT GSM/UMTS/HSPA

Vodafone GSM/UMTS/HSPA

TIM GSM/UMTS/HSPA

Sprint Nextel CDMA1x/EV-DO/WiMax

BT GSM/UMTS/HSPA

HSPA is the first choice for mobile data services.

8 operators of Global TOP10 select UMTS/HSPA

as its 3G mobile data network

4

HSPA Network Growth Worldwide

No. of HSPA users

No. of HSPA users

HSPA subscriptions

worldwide 217 million: Q4 09

The number of users in

Q4 2009 is treble the number

in Q4 2008

HSPA UE: 2137, improved

67% in one year

364 HSPA networks

in global

315 commercial

HSPA networks

97% of UMTS

networks support HSPA

No. of HSPA networks

No. of HSPA networks

5

HSPA/HSPA+ Dominates the Wireless Broadband

HSPA+ era is coming

The world’s first HSPA+ system was

launched by Telstra in Australia on February

23rd, 2009.

Wireless broadband customers worldwide, by technology, 2008–2015

HSPA/HSPA+ dominates in broadband market

41 HSPA+ Networks Launched in 26 Countries

32 HSPA+ Devices Launched by 11 Suppliers

6

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

UMTS Technology Evolution

8

HSPA Key Technologies

HSPA+ Key Technologies

UMTS TechnologiesUMTS Technologies

New Physical Channel

HS-PDSCH (DL)

HS-SCCH (DL)

HS-DPCCH (UL)

HSDPA － High Speed Downlink Packet Access

10

HSDPA Key Technologies

AMC Fast Scheduling

16QAMFixed SF16, 2ms short frame

Shared channelHARQ

1 2

3 4

5 6

① Adopt 2ms short frame, fixed SF, TDM

and CDM between the users at the

same time

② Introduce 16QAM high order

modulation, providing higher

modulation efficiency

③ AMC makes the data transport well

adaptive to the changes of radio

channels

④ Fast scheduling makes multi-user

share the radio resource.

⑤ HARQ quickly adjust the channel rate

according to the status of radio link

and achieve the error correction and

retransmission of the data.

⑥ Shared channel makes the number of

access users not limited by the code

resources.

11

New Physical Channel

E-DPDCH (UL)

E-DPCCH (UL)

E-AGCH (DL)

E-RGCH (DL)

E-HICH(DL)

HSUPA － High Speed Uplink Packet Access

12

Multi-Code Transmission

3

E-DPDCH

E-DPDCHE-DPDCH

E-DPDCH

E-DPDCH

Uplink HARQ

4

Packets Transmission

ACK/NACK

Retransmission

Correctly received packet

RNC

2ms Radio frame

2

Node B Fast Scheduling

1

HSUPA Key Technologies

NodeB

13

HSPA Key Technologies

HSPA+ Key Technologies

UMTS TechnologiesUMTS Technologies

5MHz Band Width

HSPA+ Contribution to Higher Data Throughput

Do

wn

link

Up

link

14.4Mbps 15 Codes

21.6Mbps 28.8Mbps

64QAM2*2 MIMOor DC

43.2Mbps

64QAM

R5

R7

R8

R5

384Kbps

1.9Mbps

5.76MbpsR6

11.52Mbps

16QAM

R7

Higher data throughput

5MHz Band Width

Lower Cost per bit

86 Mbps

4*4 MIMO

2*2 MIMOor DC

15

DB/MC HSDPADC-HSUPA

Dual-Cell HSDPA

Enhanced ULCELL_FACH

HSPA+ Key Technologies Map

HS-SCCHLess

L2 Enhancement (DL)

UL DTX

64QAM

EnhancedF-DPCH

HSDPA

HSUPA

DPCCHSlot format 4

CS over HSPA

DC-HSDPA+MIMO

L2 Enhancement (UL)

MIMO+64QAM

R7 R8 R9

MIMO Enhanced DL CELL_FACH

DL-DRX

R5 R6

UL 16QAM

EnhancedUE DRX

16

High Order Modulation: DL 64QAM for HSDPA

64QAM: the new modulation mode

adopted in 3GPP R7

one symbol denotes 6bit, 50%

modulation efficiency is improved

compared with 16QAM

The peak rate for single user is

21.6Mbps, which improves 50% than

R5 HS-DSCH

17

Average Cell Throughput(Mbps)

90% UE Throughput(Mbps)

16QAM 5.8271 0.77473

64QAM 6.4553 0.90954

Compared with 16QAM, the cell throughput of macro cell DL 64QAM has been improved to 15%Compared with 16QAM, the cell throughput of macro cell DL 64QAM has been improved to 15%

High Order Modulation: UL 16QAM in HSUPA

Applicable for E-DPDCH

Reduce delay, improve UL capacity

11.52Mbps at most

18

Average Cell Throughput(Mbps)

Average Ue Throughput(Mbps)

90% percentile Ue Throughput(Mbps)

HSUPA 10ms

1.3993 1.3993 1.7031

HSUPA 2ms

3.051 3.051 3.8066

HSUPA 16QAM

4.3587 4.3587 6.5066

Cell throughput has been improved by 38%Cell throughput has been improved by 38%

MIMO Performance Analysis

Average Cell throughput

Average cell freq efficiency

Average UE throughput

95% central throughput

50% throughput

5% edge throughput

1x2 5.6343 1.1269 0.5634 2.0942 0.2854 0.027

2x2MIMO 8.2927 1.6585 0.8293 3.2221 0.3108 0.0301

19

Cell throughput has been improved by 47%Cell throughput has been improved by 47%

DC HSDPA Performance

20

Cell 1

Cell 2

Primary Serve Cell

Secondary Serve Cell

As normal cells

Only HS-PDSCH andHS-SCCH

As normal cells

As normal cells

Dual Carrier Enabled UE Legacy UE

HSDPA preferred cell as Primary Cell

After introducing Dual-Cell HSDPA, UE peak bit rate in downlink for a single UE

can reach 28.8Mbps with 16QAM activated and 43.2Mbps with 64QAM

activated.

21

微蜂窝下不同UE类型条件下的扇区吞吐率

Cell throughput of different category UE in macro cell

Networ

k Type

UE

Category

12 6 8 10

2*SC

Throughput

(Mbps)

4.704 7.558 7.961 7.972

DC 4.821 8.014 8.4614 8.4668

DC HSDPA is Recommended

DC HSDPA throughput per cell

HSDPA cell throughput

>

DC HSDPA also double DL throughput but need

lower wireless environment than MIMO

When MIMO/64QAM can’t be triggered, DC

HSDPA still work

DC HSDPA is suitable to be deployed in the

whole network if the operator have enough

frequency resource （10MHz）

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

Network Coverage Strategy

Middle Level UserMiddle Level User High Level UserHigh Level UserLow Level UserLow Level User

GSMGSM HSPAHSPA HSPA+HSPA+

Hot spotHot spot

HSPA+: Mobile broadbandHSPA+: Mobile broadband

Urban AreaUrban Area

UMTS/HSPA: Video call, Mobile video conferenceUMTS/HSPA: Video call, Mobile video conference

Complete CoverageComplete Coverage

GSM/GPRS: Voice/Low speed data services

HSPA+ should be deployed in hot spot area in order to enhance brand.

For all the sites, hardware need be ready for HSPA+

23

HSPA Brings Challenge for Transmission

TMTM TMTM

4 E1 is not enough4 E1 is not enough

One cell will reach 14.4Mbps for HSDPA, less

than 6 E1 is not enough for HSPA

To meet HSDPA/HSUPA, one S1/1/1 site should

support at least 8 E1 interface.

At least 8 E1 interface should be hardware ready for one site.

RNC

24

IP Transmission Is The Trend

FE and GE interface hardware should be ready for NodeB.

IP transmission has lower cost and easier expansion than E1 transmission

E1 transmission is not enough when large scale application of HSPA+ and LTE is coming

25

HSPA Requires Large Traffic Processing Capacity

43.2Mbps

17.2 Mbps

0

20

40

60

HSPA Throughput

HSPA Throughput Capability per Site

HSDPA

HSUPAKey Index Traffic Throughput

HSDPA Throughput 14.4Mbps per CS

HSUPA Throughput 5.76Mbps per CS

HSPA+ Throughput 21Mbps

14.4M HSDPA5.76M HSUPA

14.4M HSDPA5.76M HSUPA

14.4M HSDPA5.76M HSUPA

Only One BP BoardS111 HSPA Configuration

Easy Expansion by BP

BP Board

Baseband processing board must be large capacity and easy for expansion

Traffic and capacity increase

26

Traffic Throughput

CE Number

DL UL

Traffic baseband board Resource

HSPA Traffic Evaluation On Throughput

CE efficiency is different for all the venders

Softer Handover CE consumption, different venders have different strategy.

Data throughput Capacity is the most important for HSPA service

Data is based on Mbps, and data throughput should be calculated by Mbps.

The traffic evaluation should be scaled by throughput, not only by CE number.

Traffic Throughput

CE Number

27

Challenge of Traffic Increase and Capacity Expansion

The network must be easy expansion for traffic and capacity

Each operator has at least 2 or 3 carriers, carrier expansion should be considered from the first phase.

Hardware expansion must be avoided in the future expansion.

28

Large Capacity PA is Suggested

4 Carriers must be supported in RU and RRU, there must be only software upgrade

when expansion to S4/4/4.

20MHz

5MHz

With traffic increase, S1/1/1 will be expansion to S3/3/3 and even S4/4/4.

Multi-carrier PA should be provided, hardware should be ready for 4 carriers thus

there is only software configuration.

29

30

3 Carriers —— 60W Power Needed

At least 60W TOC output cabinet must be provided. Otherwise RU hardware will

be added when capacity expansion.

S444, 20W@Carrier

1C

2C

3C

4C

Large Output Power is Suggested

20W Power for one carrier is basic 4 Carriers —— 80W Power Needed

30

HSPA+ era is coming

46 operators in 33 countries have committed to HSPA+ network deploymnets

In order to enhance brand, HSPA+ 64QAM should be launched in hotspot .

HSPA/HSPA+ Suggestion Summary

HSPA+ 64QAM should be launched in hot spot

HSPA+ should be launched phase by phase

64 QAM should be launched ASAP,

Seldom MIMO terminals，MIMO is recommended to be considered in 2012;

Dual-Cell is a good choice, which should be planed for future deployment;

Other requirement for HSPA/HSPA+

IP transmission is a good choice;

At least 6-8 E1 interface for each site hardware configuration;

Pay more attention to data throughput processing capacity of base band.

4 Carriers and 60W output power should be hardware ready for future capacity expansion.

31

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

Mobile Broadband Overview

UMTS Key Technologies

UMTS Network Challenge and Suggestion

ZTE UMTS Experience

33

ZTE HSPA+ Application Cases

34

HK CSL HSPA+ & LTE network

Mar, 2009, CSL launched

the first HSPA+ network based

on SDR system

Full network coverage

peak 21Mbps

Average 18Mbps in more than 70% area

GSM/WCDMA/HSPA+ LTE Evolution

Future smooth transformation to LTE

LTE mobility

MIMO/64QAM

SON

Multi-Users

SDR platform

+

8 June 2010, ZTE & CSL have been awarded the LTE infrastructure innovation award as part of the Global Telecoms Business Innovation Award 2010

Average:41.6Mbps

DC-HSDPA trial

Average rate: 41.6Mbps

Telkomsel HSPA+ 64QAM Live Network

Manado, the capital of North Sulawesi province of Indonesia & the holder city of WOC (World Ocean

Conference) 2009, most of population here are Christian.

Known as the plentiful ocean species & diving resort, thousands of researchers & visitors were

attracted here to experience another amazing life.

On 16th Dec of 2009, ZTE passed HSPA+ 21Mbps test successfully under real condition & launched

service at Manado for Telkomsel, top operator in Indonesia & Asia-Pacific before Christmas.

35

HSPA+ Commercial Network Test Condition

HSPA+ 21Mbps test, done on 12th~16th Dec, at Manado Swiss Bell Hotel Test completed under two conditions according to SGSN upgrade process

Condition 1:Push data from RNC to UE directly without SGSN

MGW

SGSN GGSN

HLR

Internet

RNC

Node BLaptop +

Data Card +USIM

MGW

SGSN GGSN

HLR

Internet

RNC

Node BLaptop +

Data Card +USIM

Not ready for 21Mbps

Ready for 21Mbps

Test Location: Swiss Bell Hotel

Test Time: 12th Dec & 16th Dec

Condition 2:Download data from internet to UE through SGSN & GGSN

36

Test Result Showing —— Condition 1

Push data from RNC to UE, data rate can be up to Max.21Mbps & Ave.19Mbps

37

Test Result Showing —— Condition 2

Download Kung Fu Panda from internet, data rate can be up to Max.19Mbps & Ave.16Mbps

38

39

Romania Cosmote: HSPA+ Upgrade in One Month

HSPA+ solution based on SDR, only software upgrade

Complete HSPA+ network upgrade in one month

All IP networking, supports 80Mbps throughput per site

Supporting DL 21.6Mbps, being treble the cell DL

throughput before upgrade

BB: SW upgrade

ZAPP HSPA HSPA+ (64QAM)

Unchanged

Unchanged

40

MIMO Test in Reliance

2*2MIMO HSPA+

Test Terminal:

27.79Mbps

Peak Rate

MIMO Test：Completed MIMO IOT with QualcommCompleted MIMO system equipment test in India Reliance