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CDMA450在世界范围内迅速拓展 目前拥有超过100家运营商-国际电信信息-信息中心-通信世界
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CDMA450在世界范围内迅速拓展 目前拥有超过100家运营商

Cww.net.cn 2007年2月7日 08:53 通信世界网

    通信世界网消息(记者 杨海峰)CDMA发展集团(CDG)和国际CDMA450行业协会(IA450)今日联合宣布,在新兴、发达和竞争高度激烈的无线通讯市场,由于CDMA450技术可满足人们对负担得起的3G服务的需求,该技术正在世界各地区迅速扩展。目前有来自60个国家的103家运营商已经或计划部署CDMA450服务,其中36个国家的67家运营商已经开始为全球各地超过1200万人提供商业服务,另外24个国家中共有36个CDMA450网络正在测试或部署之中。CDMA450是一项3G解决方案,它结合了下一代CDMA2000无线通讯服务与经济上可承受的、使用450MHz频段的网络覆盖。

    CDMA发展集团执行总监佩里·拉佛尔吉(PerryLaForge)表示:“CDMA发展集团很高兴报告CDMA450的持续拓展。现已证明该技术具备竞争力,能够满足低收入市场对可承受的语音及宽带数据服务的需求。由于成本所限,传统上这些市场是其它技术无法进入的。”

    国际CDMA450行业协会主席维迪姆·贝尔雅夫斯基(VadimBelyavskiy)评价说:“CDMA450的优点多多,其中就包括射频传播特性。在人口稠密的城市化地区,室内穿透覆盖很重要,CSMA450的射频传播特性可优化这些地区的的3G服务投放,同时,对于大范围覆盖至关重要的农村地区,它也可以改善此类地区的服务。我们很高兴这一技术被迅速接受。在连接尚未享受无线通讯的40亿人口中大多数人的角逐中,CDMA450技术已成为全球性的竞争者。”

    大多数CDMA450运营商采用CDMA20001X技术提供电话通讯和高速数据服务,其中多达40家企业选择了CDMA20001XEV-DO系统为客户提供无线宽带数据服务。今年CDMA20001xEV-DORevA技术出台后,CDMA450运营商将可为客户提供高性能、低延迟、上行密集型的服务,如电信运营级VoIP语音电话、一键通(push-to-talk)、视频电话、增强型多媒体信息、组播以及下一代宽带技术。

    阿根廷、中国、印度尼西亚、墨西哥和俄罗斯等大规模市场,已将450MHz频段分配给民用的通用电话和因特网接入。对CDMA450语音、多媒体和宽带数据服务的强烈需求可望持续。业经证明,CDMA450技术的灵活性足以为各类地区提供全移动或固定的无线本地环路(WLL)服务,这些地区大到西藏,小至位于秘鲁安第斯山脉间的遥远村落(普埃布洛印地安人部落)。

    CDMA450基础设施设备目前由一些领先制造商提供,包括阿尔卡特——朗讯(Alcatel-Lucent)、华为、北电网络(Nortel)、UT斯达康(UTStarcom)和中兴通讯。这一行业中也有大量价格可承受的设备和服务可供选择。包括AnyData、Axesstel、Curitel/Pantech、华为、京瓷株式会社(Kyocera)、LG、Ubiquam和中兴通讯等十余家公司可提供约100种CDMA450设备,包括移动电话、固定式无线终端、固定式无线电话、PC扩展卡、ThumbdriveUSB优盘、Wi-Fi路由器、POS终端以及防震式应急人员通讯设备。CDMA450设备具备全部3G特性,包括照相机、MP3音乐播放器、摄像机、GPS定位、一键通、蓝牙连接技术和R-UIM卡。

    为提升CDMA450的价值,CDMA2000行业现正努力拓展CDMA450设备的范围,降低成本,并实现跨标准全球漫游。CDMA发展集团和国际CDMA450行业协会与运营商和设备制造商一道,已制定了针对入门级CDMA450设备的一整套通用标准,使运营商可以合并采购,享受批量折扣。为扩展漫游,CDMA2000行业已开发出多模式、多频段的CDMA450/GSM900/1800设备,现正开发CDMA450/2100MHz设备。为应对极低端的市场,很多此类设备将采取单芯片组解决方案,进一步降低成本,降幅最高可达50%。

    在450MHz频段部署CDMA2000技术的国家,可享受3G技术在改善个人生活方式和提高商务生产率方面的优势,尤其是在低频段。因为在这一频段,陆上通讯线服务不易获得,而语音业务量则较高。下表列出了这些国家:

 

CDMA450 Operators

 

 

Country

Operator

Network

1

Angola

Angola Telecom

1X (Commercial)

2

Argentina

CoTeCal

1X (Commercial)

3

Argentina

Cotel

1X (Commercial)

4

Armenia

Armentel

1X (Commercial)

5

Austria

Green Network

1X (To Launch)

EV-DO (To Launch)

6

Azerbaijan

Aztrank LLC

1X (Commercial)

7

Bangladesh

National TeleCom Ltd. (NTC)

1X (To Launch)

EV-DO (To Launch)

8

Bangladesh

PeopleTel

1X (To Launch)

9

Belarus

BelCel JV

1X (Commercial)

EV-DO (Commercial)

10

Benin

Bell Benin Communications (BBCOM)

1X (To Launch)

11

Cambodia

Cambodia Shinawatra Co. Ltd

1X (Commercial)

12

Cameroon

Camtel (CTPhone)

1X (Commercial)

13

China

China Telecom (Tibet)

1X (Commercial)

14

Czech Rep.

Telefónica O2 Czech Republic

EV-DO (Commercial)

15

Denmark

Nordisk Mobiltelefon Denmark

1X (To Launch)

EV-DO (To Launch)

16

Estonia

Televõrgu AS

1X (Planned)

EV-DO (Planned)

17

Ethiopia

Ethiopia Telecommunications Corp. (ETC)

1X (Commercial)

18

Georgia

Iberiatel

1X (Commercial)

19

Indonesia

PT Sampoerna Telekomunikasi Indonesia

1X (Commercial)

EV-DO (Planned)

20

Ireland

Nordisk Mobiltelefon Ireland

1X (Planned)

EV-DO (Planned)

21

Kazakhstan

Kaznurtel

1X (To Launch)

22

Kenya

Telecom Kenya Ltd.

1X (Commercial)

23

Kyrgyzstan

SapatCom/WinLine

1X (Commercial)

24

Kyrgyzstan

Global Telecom

1X (To Launch)

25

Kyrgyzstan

Kyrgyz Telecom

1X (To Launch)

26

Laos

Lao Telecommunications Corporation (LTC)

1X (Commercial)

EV-DO (Planned)

27

Latvia

Telecom Baltja (Triatel)

1X (Commercial)

EV-DO (Commercial)

28

Madagascar

Telecom Malagasy SA (Telma)

1X (Commercial)

EV-DO (Planned)

29

Malaysia

Malaysia Telecom

1X (Planned)

30

Mali

Soltema

1X (Commercial)

EV-DO (Commercial)

31

Mauritania

Mauritel

1X (Commercial)

32

Mexico

Telmex

1X (To Launch)

EV-DO (To Launch)

33

Moldova

Interdnestrcom

1X (Commercial)

34

Moldova

Moldtelecom (AMPLUS)

1X (Commercial)

35

Mongolia

G-Mobile

1X (To Launch)

36

Mozambique

Telcomunicações de Mozambique (TDM)

1X (Commercial)

37

Namibia

Telecom Namibia

1X (To Launch)

EV-DO (To Launch)

38

Nigeria

Globalcom

1X (Planned)

39

Nigeria

Nigerian Telecommunications Ltd. (NiTel)

1X (Planned)

40

Norway

Nordisk Mobiltelefon Norway (ICE)

1X (To Launch)

EV-DO (Commercial)

41

Oman

Oman Telecommunications Company

1X (To Launch)

EV-DO (To Launch)

42

Pakistan

DVCOM

1X (To Launch)

EV-DO (To Launch)

43

Pakistan

Great Bear International Services (Diallog)

1X (Commercial)

EV-DO (To Launch)

44

Pakistan

PTCL (Etisalat)

1X (Commercial)

EV-DO (To Launch)

45

Pakistan

Telecard

1X (Planned)

46

Pakistan

Worldcall

1X (Planned)

47

Peru

Valtron

1X (Commercial)

48

Philippines

Innove

1X (Planned)

EV-DO (Planned)

49

Philippines

Textron (Broadband Everywhere)

1X (Planned)

EV-DO (Planned)

50

Poland

Nordisk Mobiltelefon Poland

1X (Planned)

EV-DO (Planned)

51

Portugal

Radiomovil (ZAPP)

1X (Commercial)

EV-DO (Commercial)

52

Romania

Telemobil (ZAPP)

1X (Commercial)

EV-DO (Commercial)

53

Russia

Apex (Sky Link)

1X (Commercial)

EV-DO (Commercial)

54

Russia

Baykalwestcom (Wellcom)

1X (Commercial)

55

Russia

Cellular Communications of Alanya (Sky Link)

1X (Commercial)

56

Russia

Cellular Communications of Bashkortostan (BCC), (Sote-Vidio)

1X (Commercial)

EV-DO (Commercial)

57

Russia

Cellular Communications of Udmurtia (Sky Link)

1X (Commercial)

58

Russia

Chernozem Cellular Communications (Sky Link)

1X (Commercial)

59

Russia

Cotel-Nizhniy Novgorod (Sky Link)

1X (Commercial)

60

Russia

Delta Telecom (Sky Link)

1X (Commercial)

EV-DO (Commercial)

61

Russia

Kaliningrad Mobile Systems (Sky Link)

1X (Commercial)

62

Russia

Kaluga Cellular Communications (Sky Link)

1X (Commercial)

63

Russia

Khabarovsk Cellular Phone (Sky Link)

1X (Commercial)

64

Russia

Krasnodar Cellular Communications (Sky Link)

1X (Commercial)

65

Russia

Kuzbass Cellular Communications (KCC), (Sky Net)

1X (Commercial)

EV-DO (To Launch)

66

Russia

Moscow Cellular Communications (Sky Link)

1X (Commercial)

EV-DO (Commercial)

67

Russia

Novosibirsk Cellular Communications (Sky Link)

1X (Commercial)

68

Russia

Omsk Cellular Communications (Sky Link)

1X (Commercial)

69

Russia

Ryazan Cellular Communications (Sky Link)

1X (Commercial)

EV-DO (To Launch)

70

Russia

Regional Technical Center (I-Tell)

1X (Commercial)

EV-DO (To Launch)

71

Russia

Rostov Cellular Telephone (Sky Link)

1X (Commercial)

72

Russia

Sarastov Cellular Communications (Sky Link)

1X (To Launch)

73

Russia

SiberTelecom (Wellcom)

1X (Commercial)

74

Russia

Tele-Nord JSC (Sky Link)

1X (Commercial)

75

Russia

Tomsktelecom (Wellcom)

1X (To Launch)

76

Russia

Tver Cellular Communications (Sky Link)

1X (Commercial)

EV-DO (To Launch)

77

Russia

Ulyanovsk Cellular Communications (Sky Link)

1X (To Launch)

78

Russia

Uralsvyazinform (U-Tel)

1X (Commercial)

79

Russia

UralWestcom (Sky Link)

1X (Commercial)

EV-DO (Commercial)

80

Russia

Vlad Telecom (Sky Link)

1X (Commercial)

81

Russia

Volga Telecom (StriZh)

1X (Commercial)

82

Russia

Yeniseytelecom (Wellcom)

1X (Commercial)

83

Saudi Arabia

Saudi Telecom Company

1X (Commercial)

84

Sierra Leone

Datatel

1X (To Launch)

85

Sri Lanka

Dialog Broadband Network (DBN)

1X (To Launch)

86

Sri Lanka

Tritel Services (Pvt) Ltd.

1X (To Launch)

87

Sudan

Mobitel Sudan

1X (Commercial)

88

Sweden

Nordisk Mobiltelefon Sweden

1X (To Launch)

EV-DO (To Launch)

89

Tajikistan

SkyTel

1X (Commercial)

90

Tajikistan

M. Teko

1X (Commercial)

91

Tanzania

Benson Informatics Ltd. (BIL)

1X (Commercial)

EV-DO (Planned)

92

Tanzania

Tanzania Telecommunications Company Ltd. (TTCL)

1X (To Launch)

EV-DO (To Launch)

93

Thailand

TOT

1X (Commercial)

94

Togo

Togo Telecom

1X (To Launch)

95

Tunisia

Tunis Telecom

1X (To Launch)

96

Turkmenistan

MCT

1X (Planned)

97

Uganda

Uganda Telecom Ltd. (UTL)

1X (Commercial)

EV-DO (Planned)

98

Ukraine

Ukrainian Mobile Communications (UMC)

EV-DO (Planned)

99

Uzbekistan

Uzbek Telecom Mobile

1X (Commercial)

100

Venezuela

CVG

1X (To Launch)

101

Vietnam

EVN Telecom

1X (Commercial)

EV-DO (Commercial)

102

Zambia

Zambia Telecommunications Company Ltd. (ZAMTEL)

1X (Commercial)

EV-DO (To Launch)

103

Zimbabwe

TelOne

1X (Planned)