ZTE Future Proof CDMA2000 ALL IP EV-DO Solution. Fei Xiong Director Global Business Development ZTE USA San Diego, CA

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1 ZTE Future Proof CDMA2000 ALL IP EV-DO Solution Fei Xiong Director Global Business Development ZTE USA San Diego, CA

Global Presence of ZTE CDMA2000 ZTE ZTE CDMA2000 CDMA2000 products products have have been been successfully successfully applied applied in in 60 60 countries countries and and served served more

2 Global Presence of ZTE CDMA2000 ZTE ZTE CDMA2000 CDMA2000 products products have have been been successfully successfully applied applied in in countries countries and and served served more more than than operators. operators. Their Their wireless wireless capacity capacity totals totals million million lines lines and and their their base base stations stations total total over over thousand. thousand. 2

Global Broadband Access Growth Trend Volume of the global wireless data service is growing rapidly, the quantity of wireless data users is expected to exceed the quantity of

3 Global Broadband Access Growth Trend Volume of the global wireless data service is growing rapidly, the quantity of wireless data users is expected to exceed the quantity of fixed data users for the first time in 2007, and also, the ARPU of wireless data user grows constantly. Which technology should capture the lion share of the broadband access growth? 3

4 Broadband Access Technologies Speed Range Mobility Product Availability Service Availability DSL/ Cable 3G WiFi WiMax 4

5 Main Drivers for 3G as a Mainstream Broadband Access Technology People desire mobility (access info anytime, anywhere) In emerging countries, where wireline infrastructure may not be in place, deploying 3G is more economical than laying wires/fibers 3G services have better coverage than other technologies More people have mobile phones than fixed telephone lines; people are increasingly accessing internet via mobile devices 5

6 Magic Weapon for Data Service Competition in 3G Era - EV-DO Standard version of EV-DO Rev.0 formed in and perfected constantly; standard version of EV-DO Rev.A released in ; Highest downlink rate of EV-DO Rev. A: 3.1Mbps Mbps Uplink rate: 1.8Mbps EV-DO is smooth evolution based on 1X, and EV-DO Rev. A is smooth evolution based on EV-DO Rev.0 technology, not affecting the original network 6

7 Evolution History of EV-DO EV-DO Rev.0 is designed as a Wide-Area Mobile Wireless Ethernet Optimized support for downlink intensive (asymmetric), delay-tolerant applications such as Web browsing, File Transfer, WAP, IM etc. But can not support such applications with delay-sensitive applications with symmetric data rates as VoIP, Video Telephony etc. 1xEV-DO Revision A Further improves spectral efficiency and peak rate of forward/reverse link. On the other hand, lots of mechanisms are designed to strengthen support for real-time service by the system. By introducing more refined rate grade division, more efficient resource allocation algorithm, shorter end-to-end delay and QoS differentiation of multiple flows, 1xEV-DO RevA can effectively support QoS requirements of various applications. Some upper-layer features of 1xEV-DO Rev A can run on the DO Rev. 0 hardware, such as BCMCS and QoS differentiation, and they form enhanced DO. 1xEV-DO Rel. 0 1xEV-DO Enhanced 1xEV-DO Rev.A 7

8 EV-DO: Unceasingly-Evolving IP WAN The EV-DO evolves forward in three directions, that is, better spectral efficiency (bits/hz), stronger service feature (Low latency service, Multicast), and higher peak rate. The DO evolves from Rev.0 to Rev.A and from Rev.A to Rev.B in a smooth manner. The new standard is compatible with the former standard. All system bands take 1.25 MHz as the basic unit, facilitating the smooth transition of operators. DO Revision 0 Designed for asymmetric IP traffic and Best Effort applications, such as FTP, Web browsing. DO Revision A Highly optimized QoS for VoIP and other low delay apps, designed for more symmetric IP traffic. DO revision B Designed for wider frequency blocks (up to 20MHz) with higher peak rates and higher spectral efficiency 8

9 Development Plan of ZTE CDMA2000 In 3Q 2006, deliver a CSM6800-based EV-DO Rev. A commercial system with following functions: Support the forward peak rate 3.1Mbps and reverse peak rate 1.8Mbps. Support the IWS (Inter Working Solution) and improve the interoperability between 2G and 3G systems. Support the Gold BCMCS (Broadcast & Multicast Service). One sector carrier can provide the broadcast multicast bandwidth of 400Kbps. 9

10 Future Development Plan of ZTE CDMA2000 In 1Q 2007, launch the CSM6800-based EV-DO Rev. A system with full functions. Based on the 3Q 2006 version, add the following functions: Support the full QoS management, including the Inter-User and Intra-User QoS management. Support the Platinum BCMCS. One sector carrier can provide the broadcast multicast bandwidth of 1.2Mbps. Support the VoIP service. Support the VT service. In addition, ZTE closely follows the 3GPP2 evolution path. After the 1xEV-DO Rev. B version is mature, the EV-DO Rev. B system is estimated to come out in 2Q Thanks to multi-carrier modulation technology, it can provide the super high-speed packet data service with forward 73.5Mbps and reverse 27Mbps. 10

Performance Parameters of the ZXC10 BSCB Capacity Maximum traffic processing capacity: 50, 000Erl Maximum carrier-sector supported: 15,360 Maximum data throughput: 6Gbps

11 Performance Parameters of the ZXC10 BSCB Capacity Maximum traffic processing capacity: 50, 000Erl Maximum carrier-sector supported: 15,360 Maximum data throughput: 6Gbps Maximum active packet data subscribers supported: 120, 000 Dimensions 2000mm x 600mm x 800 mm (H W D) Weight The weight of a single rack in full configuration is 310kg 11

Series of Full-Band Indoor Macro Base Station Products BTSB I1 Dimensions: 1600mm x700mm x800mm

Supports embedded SDH Supports embedded primary power supply BTS AE Dimensions: 1800mm x700mm

CBTS Dimensions: 800mm x700mm x800mm Capacity: A single-rack baseband supports 24 carrier

12 Series of Full-Band Indoor Macro Base Station Products BTSB I1 Dimensions: 1600mm x700mm x800mm Capacity: A single rack supports up to 8 carriers + 3 sectors, or 4 carriers + 6 sectors Supports embedded SDH Supports embedded primary power supply BTS AE Dimensions: 1800mm x700mm x600mm Capacity: Supports 6 carrier sectors, 12 carrier sectors at most Supports embedded SDH CBTS Dimensions: 800mm x700mm x800mm Capacity: A single-rack baseband supports 24 carrier sectors and a local RF supports 12 carrier sectors Supports embedded SDH Supports embedded primary power supply 12

13 3GPP2 All-IP Migration 3GPP2 s four-phase migration, firstly signaling, then bearer, then IMS WiFi, Wimax: Pure IP (IP switch and IP interface) Legacy CN + RAN with 接入网向全 IP Signaling transport IP 演进 Optional IP transport in CN and RAN 核心网引入全 IP 核心网引入全 All IP CN & RAN IP with 多媒体域 IMS " 传统域 " IP transport in CN and RAN IP transport in CN, RAN and over the air Legacy 现 CN 有网 + RAN 络 IP Signaling transport Legacy Network architecture (self defined standard or ATM) 13

CDMA2000 All-IP Network Signaling over IP Signaling over TDM Bearer over IP SIP Application Server Bearer over TDM IP Backbone Network Router Router Router ZXC10 BSS IP Network ZXC10 MSCe IP Network

14 CDMA2000 All-IP Network Signaling over IP Signaling over TDM Bearer over IP SIP Application Server Bearer over TDM IP Backbone Network Router Router Router ZXC10 BSS IP Network ZXC10 MSCe IP Network ZXC10 MGW IP Network ZXC10 MGW ZXC10 MSCe ZXC10 MGW ZXC10 BSS ZXC10 MGW ZXC10 BSS LE LE LE PSTN All-IP: BTS-BSC-MGW ---- MGW-BSC-BTS/MS-MS Local or toll call/trfo Partial IP: BTS-BSC-MGW --- MGW-PSTN/MS-PSTN Toll call/rto Partial IP: BTS-BSC-MGW-PSTN/MS-PSTN local call/rto 14

15 Key Technologies of All-IP Network MGW and BSC support IP: IP transport between MGW and MGW, MGW and BSC IOS 5.0-based Ap interface TrFO/RTO supported Vocoder is moved from BSC to MGW MGW supports standard CDMA codecs EVRC, 8K/13K QCELP, G.711 shall be supported for inter-working with other vendor s MGW MGW to MGW shall adopt EVRC, 8K/13K QCELP to save bandwidth and improve QoS G.711 is only used for inter-working with PSTN/PLMN (local call or terminated toll call to PSTN) 15

16 Benefits (1): TrFO and RTO SIP-T ZXC10 MSCe ZXC10 MSCe TrFO A1p H.248 H.248 A1p A2p IP Network A2p BTS ZXC10 MGW ZXC10 BSC RTO PSTN ZXC10 MGW ZXC10 BSC 16

17 Benefits: MS-MS/Toll & Local, TrFO Signaling over IP Signaling over TDM Bearer over IP SIP Application Server Bearer over TDM Router IP Backbone Network Router Router 12Kbps/ TrFO ZXC10 MSCe ZXC10 MGW IP Network ZXC10 MSCe IP Network ZXC10 MGW ZXC10 MGW ZXC10 MGW LE LE LE PSTN No Transcoder is needed in the bearer path (30%-40% vocoders will be saved) Improved voice quality (Highest MOS, least latency) Save 85.4% bandwidth compared to G.711/IP, better QoS for toll call. 17

18 Benefits: TrFO TrFO (Transcoder Free Operation) is a mechanism for configuring a call so that no transcoders are needed in the network. TrFO achieves bandwidth efficiencies in the bearer stream and reduces round trip delays introduced by unnecessary transcoding. Also, TrFO may increase voice quality. 18

19 Benefits: RTO RTO (Remote Transcoder Operation) is a mechanism for configuring a call so that only one transcoder resource is needed in the network. RTO is just a special case of TrFO. 19

Benefits: MS-PSTN/Toll Call, RTO Signaling over IP Signaling over TDM Bearer over IP Bearer over TDM Router SIP Application Server IP Backbone Network Router Router IP Network 12Kbps ZXC10 MSCe IP

20 Benefits: MS-PSTN/Toll Call, RTO Signaling over IP Signaling over TDM Bearer over IP Bearer over TDM Router SIP Application Server IP Backbone Network Router Router IP Network 12Kbps ZXC10 MSCe IP Network ZXC10 MGW ZXC10 MSCe ZXC10 MGW ZXC10 MGW ZXC10 MGW LE LE RTO EVRC to TDM/64k LE PSTN Only one Transcoder is needed in the bearer path (terminating MGW) Improved voice quality (Higher MOS, less latency) Save 85.4% bandwidth compared to G.711/IP, better QoS for toll call. 20

21 Benefits (2): Bandwidth Efficiency, IP Backhaul Dynamics TDM switch or softswitch using TDM interfaces adopts a 64Kbps circuit for each voice call. For All-IP, we can use EVRC for voice, the rate of EVRC is only 8Kbps. EVRC is a multi-rate voice codec that supports variable rate transmission of speech based on voice activity. The highest rate of EVRC is called Full Rate. The vocoder also produces signals at Half Rate signal and an Eighth Rate signal depending on speech characteristics. Multiple frames can be carried by one IP packet, so the overhead will be shared by multiple frames, further improve the bandwidth efficiency. 21

22 Advanced All-IP Hardware Architecture Common Platform for Next Generation Mobile Switch Equipment CDMA2000 products based on unified All-IP hardware design & development, including CDMA2000 CN and BSC, provide abundant 3G services for commercialized networks worldwide; Same platform for WCDMA, TD-SDMA, NGN etc. of ZTE ZTE CDMA2000 All-IP serial Products MSCe MGW PDSN AAA HLRe BSC 22

23 Benefits Summary of CDMA2000 All-IP Network Benefits of All-IP IP transport between NEs: Flexible network deployment, and flexible transmission selection; Flat networking using IP routers and no need to deploy Tandem MGW in IP network. Cost savings for transmission bandwidth between MGW and BSC, (Save up to 80.5% bandwidth compared with TDM) Cost savings for transmission bandwidth between MGW and MGW for local and toll call (save up to 85.4% compared with G.711 over IP) Toll call via IP network not TDM network, less cost for toll call means more revenue and competitive edge TrFO/RTO Cost savings for vocoders (up to 30%-40% or even more) Improved voice quality (less round trip delay, higher MOS) Smooth migration to All-IP network and IMS, no need to consider hardware replacement in the future BCMCS support (multi-cast and broadcast is a unique feature of IP network) 23

24 EV-DO Network in Philippine Multi-Media Telephony Inc. (BroadBand), 150k, 1.9GHz, 83 BTSs Wireless Broadband Covered Makati CBD of Manila 24

25 EV-DO in Norway 125k lines, 450MHz, 55 BTSs, Professional PTT (GoTa) and CDMA20001x EV-DO high speed data service 25

26 EV-DO in Vietnam VT Telecom, 360k 1X sub., 50k EV-DO sub., 450MHz, 230 BTSs with 46 EV-DO BTSs 1X voice & data, Gota, Wireless Broadband Covered southern 14 provinces including Ho chi minh, capital city of Vietnam. 26

Application of ZTE CDMA2000 All-IP in Sri Lanka SLT Operator: Sri Lanka Telecom Limited (SLT). It is formerly the Telecom Ministry owned by the government.

27 Application of ZTE CDMA2000 All-IP in Sri Lanka SLT Operator: Sri Lanka Telecom Limited (SLT). It is formerly the Telecom Ministry owned by the government. It is the only operator in Sri Lanka that possesses fixed telephone service, data service and mobile service, and has become the largest listed company in Sri Lanka. Network dimensioning: In Colombo, 1 set of MSCe and 1 set of MGW are configured to support 107.9K subscribers (0.076Erl/Sub). In Anuradhapura, 1 set of MSCe and 1 set of MGW are configured to support 42.1K subscribers (0.076Erl/Sub). 27

In Semarang/Solo/Yogykarta, MGWs are configured. Their capacity is 116K/65K/85K (0.03Erl/Sub). In Pekan Baru, 1 set of MSCe and 1 set of HLRe are configured to support 325K and 390K respectively.

28 Application of ZTE CDMA2000 All-IP in Indonesia Indosat Operator: Indosat, the second largest state-owned telecom operator. Network dimensioning (HLRe 1,033KSub and MGW 860KSub in Phase 1 project): In Semarang, 1 set of MSCe and 1 set of HLRe are configured to support 266K and 320K respectively. In Semarang/Solo/Yogykarta, MGWs are configured. Their capacity is 116K/65K/85K (0.03Erl/Sub). In Pekan Baru, 1 set of MSCe and 1 set of HLRe are configured to support 325K and 390K respectively. In Pekan Baru/Batam/Padang/Palembang/Bandar Lampung, MGWs are configured. Their capacity is 65K/110K/50K/50K/50K (0.03Erl/Sub). In Balikpapan, 1 set of MSCe and 1 set of HLRe are configured to support 269K and 322K respectively. In Balikpapan/Denpasar/Banjarmasin/Pontianak, MGWs are configured. Their capacity is 75K/94K/50K/50K (0.03Erl/Sub). Network dimensioning: Up to HLRe 1,864KSub and MGW 1,553KSub in Phase 2 project; up to HLRe 2,845KSub and MGW 2,371K in Phase 3 project. 28

29 Application of ZTE CDMA2000 All-IP in Bangladesh Onetel Operator: BangladeshOnetel is a rising private fixed network operator. Network dimensioning: HLRe, MSCe, and IN are deployed in Dacca, the capital of Bengal. Their capacity totals 130K (0.05erl/sub). 29

CDMA Evolution Delivering Real-time & Multimedia Services

CDMA Evolution Delivering Real-time & Multimedia Services May 2006 3G CDMA Latin America Regional Conference, Brazil 2 Nortel Confidential Information Wireless Trends Access & Core Greater Market Penetration