亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频

--- SEARCH ---
WEATHER
CHINA
INTERNATIONAL
BUSINESS
CULTURE
GOVERNMENT
SCI-TECH
ENVIRONMENT
SPORTS
LIFE
PEOPLE
TRAVEL
THIS WEEK
Learning Chinese
Learn to Cook Chinese Dishes
Exchange Rates


Hot Links
China Development Gateway
Chinese Embassies

China Urged to Promote Wider 3G Competition

A telecommunications policy think-tank is proposing the mainland to build three separate third-generation (3G) mobile networks, each based on a different technological platform, to promote competition.

 

The China Academy of Telecommunications Research has also advised the government that it can afford to wait for the country's home-grown 3G technology -- TD-SCDMA - to develop further before it issues 3G licenses.

 

"There is plenty of time to mull over 3G questions and formulate policy," said Chen Jinqiao, the think-tank's director of the Institute of Telecommunication Policy.

 

The research body operates under the Ministry of Information Industry, which regulates the telecommunications sector.

 

Mr Chen said the development of TD-SCDMA would first require construction of a network large enough to generate the investment capital needed.

 

"From our experience in 2G, we've seen that the competition among two nationwide GSM networks was ineffective," he said.

 

Mr Chen believed the best way to promote competition was to allow all three major 3G technologies to compete with each other on a nationwide scale.

 

"It was not until China Unicom built a nationwide CDMA network that the country's mobile service competition landscape improved. We should avoid the same mistake when it comes to 3G," he said.

 

His comments seemed to rule out the suggestion of some carriers that the relatively immature TD-SCDMA technology could supplement the core WCDMA or CDMA2000 networks on a regional basis.

 

Sources close to the ministry told the South China Morning Post that full-scale field trials on all three 3G technologies had been completed. Six operators and 12 vendors in different cities participated, submitting reports and suggestions to the ministry's 3G advisory group last month.

 

But officials of the research body publicly denied yesterday that the TD-SCDMA standard had been fully evaluated.

 

"It's only an experiment," an official told Associated Press in Beijing. "We can't make any conclusions right now."

 

Nonetheless, sources told the Post that the test results showed poor network reliability, patchy 2G-3G interoperability and other problems. Of the three platforms, WCDMA appeared to be the most mature, followed by CDMA2000.

 

Mr Chen admitted performance of certain parts of the mainland technology needed improvement. "The problem with TD-SCDMA is that vendor participation remains limited. I believe more foreign vendors with strong [research and development] capability will join in."

 

Alcatel Shanghai Bellwas has reportedly agreed to invest 150 million yuan (US$18 million) in Datang Mobile -- a TD-SCDMA advocate -- to jointly develop handsets for the technology.

 

(CRI November 11, 2004)

 

 

 

 

Ministry Remains Cautious on 3G Licences
Chinese 3G Fails Trials
Vodafone to Start 3G Businesses in China
3G Standards Approaching Maturity
Qualcomm Backs All 3G Standards
TD-SCDMA Alliance to Enlist Foreign Firm
Print This Page
|
Email This Page
About Us SiteMap Feedback
Copyright © China Internet Information Center. All Rights Reserved
E-mail: webmaster@china.org.cn Tel: 86-10-68326688
亚洲精品久久久久久一区二区_99re热久久这里只有精品34_久久免费高清视频_一区二区三区不卡在线视频
亚洲一区图片| 亚洲午夜久久久久久久久电影院 | 亚洲激情精品| 极品av少妇一区二区| 国产亚洲人成a一在线v站| 国产精品久久久久久久久久直播 | 亚洲福利视频免费观看| 国产欧美日本| 国产精品爱久久久久久久| 欧美大学生性色视频| 久久一区二区三区国产精品 | 老司机免费视频一区二区三区| 午夜精品久久久久久久久| 99成人在线| 最新热久久免费视频| 久久国产精品久久国产精品| 亚洲欧美激情四射在线日| 宅男在线国产精品| 日韩视频二区| 亚洲欧洲一区二区三区久久| 尤物精品国产第一福利三区| 国精品一区二区三区| 国产偷国产偷亚洲高清97cao| 国产精品九九久久久久久久| 欧美体内she精视频| 欧美日韩精品一区视频| 欧美精品综合| 欧美日本成人| 欧美日韩爆操| 欧美日韩四区| 欧美日韩国内| 欧美日韩在线一区| 欧美大片91| 欧美成人激情视频免费观看| 美女图片一区二区| 午夜欧美大尺度福利影院在线看| 亚洲影院在线观看| 午夜精品久久久久99热蜜桃导演| 亚洲男女毛片无遮挡| 亚洲欧美日韩精品久久久久| 亚洲一区二区三区四区视频| 亚洲调教视频在线观看| 亚洲午夜激情| 亚洲综合第一| 性久久久久久久久| 欧美一区二区日韩| 久久久久久久精| 可以看av的网站久久看| 麻豆成人在线| 欧美精品福利在线| 欧美三级视频在线观看| 国产精品久久久久久超碰| 国产伦精品一区二区三区视频黑人 | 亚洲欧美精品一区| 欧美一区二区三区日韩| 久久精品一区二区国产| 老鸭窝亚洲一区二区三区| 欧美成人中文字幕| 欧美日韩小视频| 国产精品视频精品| 黄色在线一区| 亚洲精品综合精品自拍| 在线视频精品| 欧美在线观看www| 亚洲欧洲在线一区| 99精品欧美一区二区三区| 亚洲尤物影院| 久久免费精品视频| 欧美欧美全黄| 国产精品一级| 亚洲第一精品夜夜躁人人躁| 99热免费精品| 欧美专区亚洲专区| 99精品欧美一区二区三区 | 久久久一二三| 欧美精品自拍| 欧美亚州一区二区三区| 国产精品欧美日韩| 黄页网站一区| 亚洲精选在线| 在线亚洲电影| 亚洲第一页中文字幕| 中日韩美女免费视频网址在线观看| 欧美淫片网站| 欧美精品1区| 久久精品日韩| 亚洲国产精品国自产拍av秋霞| 亚洲网站啪啪| 久久久综合精品| 欧美日韩亚洲一区二区三区四区 | 午夜久久tv| 亚洲人成网站999久久久综合| 亚洲欧美精品伊人久久| 午夜视频一区二区| 久久免费国产| 欧美特黄一级大片| 在线视频观看日韩| 亚洲免费在线播放| 日韩一区二区久久| 久久夜色撩人精品| 国产精品一区二区久久久| 亚洲黄色三级| 欧美专区在线观看| 亚洲综合精品四区| 农夫在线精品视频免费观看| 国产精品男gay被猛男狂揉视频| 精品99一区二区三区| 亚洲欧美日韩国产中文在线| 日韩视频中午一区| 久久久www| 国产精品视频不卡| 99精品久久久| 亚洲欧洲精品一区二区三区| 欧美自拍偷拍午夜视频| 欧美日韩精品三区| 亚洲国产美女精品久久久久∴| 香蕉久久精品日日躁夜夜躁| 亚洲图片激情小说| 欧美激情精品久久久六区热门 | 国产精品成人v| 亚洲精品乱码久久久久久| 久久精品av麻豆的观看方式| 欧美亚洲视频在线看网址| 欧美日韩国产在线观看| 亚洲国产精品福利| 亚洲第一视频| 久久久久久亚洲精品中文字幕| 国产精品久久久一区二区| 亚洲国产精品www| 91久久线看在观草草青青| 久久久国产精品一区| 国产日韩av一区二区| 亚洲永久在线观看| 午夜精品久久久久影视| 国产精品久久久久国产a级| 一区二区三区产品免费精品久久75| 亚洲日本理论电影| 欧美高清影院| 亚洲第一天堂av| 亚洲国产清纯| 欧美va天堂va视频va在线| 伊人精品久久久久7777| 欧美在线视频二区| 久久精品91久久香蕉加勒比| 国产欧美日本一区二区三区| 亚洲一区二区动漫| 香蕉久久一区二区不卡无毒影院 | 韩国三级在线一区| 久久精品国产一区二区三区| 久久久另类综合| 精品9999| 亚洲精品日产精品乱码不卡| 免费观看国产成人| 亚洲国产成人午夜在线一区| 亚洲欧洲精品一区二区精品久久久| 免费观看成人鲁鲁鲁鲁鲁视频| 在线日韩中文| 日韩视频精品在线| 欧美视频精品在线观看| 亚洲一区二区三区四区在线观看| 欧美一级日韩一级| 国产在线观看一区| 亚洲电影av| 欧美日本亚洲视频| 一本大道久久a久久精二百| 亚洲免费在线视频| 国产一区二区精品久久| 亚洲第一精品电影| 欧美黄色片免费观看| 日韩一级免费| 欧美有码视频| 一区二区三区亚洲| av不卡在线观看| 国产精品剧情在线亚洲| 欧美伊人影院| 欧美久久久久久| 亚洲乱码久久| 99精品国产福利在线观看免费 | 亚洲精品网址在线观看| 99国产精品久久久久老师| 欧美日韩亚洲高清一区二区| 亚洲视频香蕉人妖| 久久国产直播| 91久久久亚洲精品| 亚洲欧美综合精品久久成人| 国产亚洲欧美aaaa| 日韩午夜中文字幕| 国产精品美女久久久免费| 久久99伊人| 欧美日韩成人在线| 亚洲欧美一区在线| 欧美刺激性大交免费视频| 在线中文字幕不卡| 久久只有精品| 一区二区三区免费网站| 久久久久99精品国产片| 亚洲人成艺术| 久久精品视频在线看| 亚洲人成绝费网站色www| 午夜激情亚洲|