久久精品30_一本色道久久精品_激情综合视频_欧美日韩一区二区高清_好看的av在线不卡观看_国产自产精品_91久久黄色_午夜亚洲福利_欧美黄在线观看_国内自拍一区

Home / China / Sci&Tech / News Tools: Save | Print | E-mail | Most Read
4G Phones Go on Trial Run in District
Adjust font size:

Third-generation (3G) telephony is not available on the Chinese mainland yet but subscribers in one city district can now go beyond where no one has ever gone.

The world's first fourth-generation (4G) mobile communication system was officially launched yesterday in Shanghai's Changning District after a field trial was conducted in October.

The home-grown 4G system provides speeds of up to 100 mbps in wireless transmission of data and images many times faster than that of current mobile technology.

The rollout of the trial, which has cost 150 million yuan ($19.2 million), is a milestone in the development of China's 4G technologies.

"It testifies that the technology we've developed is feasible and brings us one step closer to put it into commercial use," said You Xiaohu, a leading expert involved in the program.

China initiated the B3G (Beyond 3G)/4G research project in 2001 under the label Future Technology for Universal Radio Environment, or FuTURE Project, which is included in the national high-tech development plan.

The country has set a goal of conducting field tests of the 4G system and putting it into trial commercial use between 2006 and 2010, according to the FuTURE Project.

"The Shanghai system shows that we have entered the final phase of our project," said You, also the principal of the FuTURE Project's expert panel.

The FuTURE Project involves about 10 leading domestic institutions.

It has obtained more than 200 patents and some of its core technologies have been adopted by international standards organizations, positioning China as one of the world's front-runners in 4G technologies.

4G mobile communication, which is expected to be used commercially by around 2010, will be able to transmit data as quickly as optical fiber, dramatically improving the streaming of high-quality images and data services through wireless transmission.

China has yet to award domestic telecom operators licences to build 3G (third generation) mobile phone networks, but Wang Xudong, minister of information industry, told reporters at the ITU Telecom World 2006 last month that it could happen "very soon".

(China Daily January 29, 2007)

Tools: Save | Print | E-mail | Most Read

Related Stories
Regulator Rejects Xinwei's IPO Plan
Telecom Giants Plan Mainland Financing for 3G Projects
Over 77% Users Want to Buy 3G Handsets: Survey
Homegrown 3G Technology Passes Tests
Japan, China to Jointly Develop 4G Mobile
SiteMap | About Us | RSS | Newsletter | Feedback
SEARCH THIS SITE
Copyright ? China.org.cn. All Rights Reserved ????E-mail: webmaster@china.org.cn Tel: 86-10-88828000 京ICP證 040089號(hào)
久久精品30_一本色道久久精品_激情综合视频_欧美日韩一区二区高清_好看的av在线不卡观看_国产自产精品_91久久黄色_午夜亚洲福利_欧美黄在线观看_国内自拍一区
国产精品久久看| 欧美剧在线免费观看网站| 免费精品视频最新在线| 日本一二三不卡| 7777精品久久久大香线蕉| 国产欧美高清| 激情欧美日韩| www.欧美日韩| 国产 欧美在线| 久久99这里只有精品| 亚洲一区二区在线免费观看视频| 久久婷婷色综合| 欧美大黄免费观看| 欧美一级二级三级蜜桃| 色呦呦日韩精品| 久久久久国产精品一区三寸| 国产欧美日韩亚洲一区二区三区| 欧美激情aⅴ一区二区三区| 97久久精品人人澡人人爽| 成人精品亚洲人成在线| 成人自拍视频在线观看| 国产成人午夜99999| 国产精一品亚洲二区在线视频| 久久99精品国产麻豆不卡| 韩国精品主播一区二区在线观看 | 色综合久久久久综合体| 美日韩精品免费| 欧美三级不卡| 欧美午夜影院| 国产日本精品| 久久福利影视| 欧美性猛片xxxx免费看久爱| 欧美日韩一级二级三级| 亚洲看片网站| 国产日韩欧美一区在线| 色综合久久久久久久| 欧美又粗又大又爽| 国产日韩欧美精品综合| 国产午夜精品福利| 亚洲欧洲韩国日本视频| 亚洲黄色片在线观看| 亚洲gay无套男同| 久久精品国产亚洲aⅴ| 国产精品一区二区男女羞羞无遮挡| 奇米综合一区二区三区精品视频| 激情六月婷婷综合| 粗大黑人巨茎大战欧美成人| 欧美日韩国产高清视频| 国产精品永久| 麻豆精品国产91久久久久久| 国产一区二区成人久久免费影院| 亚洲一级网站| 欧美人与禽zozo性伦| 国产精品久久久久久久久动漫 | 久久精品欧美一区二区三区麻豆| 亚洲va天堂va国产va久| 成人动漫一区二区| 美女爽到呻吟久久久久| 久久亚洲二区三区| 奇米综合一区二区三区精品视频| 欧美日韩精品不卡| 91精品国产aⅴ一区二区| 一区二区三区久久久| 91在线观看视频| 欧美三级电影网| 成人免费小视频| 国产不卡视频一区二区三区| 久久久久久黄| 综合欧美一区二区三区| eeuss鲁片一区二区三区在线观看 eeuss鲁片一区二区三区在线看 | 成人天堂资源www在线| 久久激情一区| 国产精品毛片高清在线完整版| 国产成人午夜视频| 欧美在线观看一区| 亚洲精品欧美激情| 91丨九色porny丨蝌蚪| 91精品在线免费| 日韩高清在线不卡| 最新国产乱人伦偷精品免费网站| 精品国产免费视频| 国产精品一二三四区| 欧洲色大大久久| 亚洲午夜久久久久久久久久久| 欧美三级特黄| 久久这里都是精品| 国产一区二区三区高清播放| 美女日韩在线中文字幕| 亚洲最色的网站| 亚洲国产日本| 一区在线观看视频| 欧美先锋影音| 国产精品私房写真福利视频| 成人av中文字幕| 欧美一二三区在线| 国产精品18久久久久久vr| 欧美日韩国产高清一区| 久久国产精品无码网站| 欧美体内she精高潮| 日本免费新一区视频| 久久久久网站| 免费成人av在线播放| 91福利视频网站| 久久成人免费网站| 欧美视频在线不卡| 激情伊人五月天久久综合| 欧美日韩aaaaaa| 国产一区在线观看视频| 日韩亚洲欧美一区二区三区| 岛国一区二区在线观看| 久久噜噜亚洲综合| 欧美黄色一区二区| 中文字幕中文在线不卡住| 激情综合电影网| 一级做a爱片久久| 久久视频一区| 久久99精品国产91久久来源| 欧美一区二区三区系列电影| 成人美女在线视频| 国产精品人成在线观看免费| 亚洲精品久久| 日韩电影在线免费看| 欧美日韩成人激情| 91丝袜国产在线播放| 亚洲人成伊人成综合网小说| 国产一区导航| 九色porny丨国产精品| 精品日韩成人av| 一区精品久久| 蜜臀a∨国产成人精品| 777久久久精品| 91女人视频在线观看| 一二三区精品视频| 欧洲一区二区三区在线| 9i在线看片成人免费| 亚洲精品日韩专区silk| 欧洲精品一区二区| 欧美在线二区| 亚洲gay无套男同| 欧美三级日韩三级| 欧美aa国产视频| 香蕉久久夜色精品国产使用方法 | 中文字幕中文在线不卡住| 久久精品免费| 岛国精品在线观看| 亚洲国产综合91精品麻豆| 日韩欧美综合一区| 国产精品一区在线观看| 风间由美一区二区三区在线观看 | 欧美国产日韩一二三区| 91成人在线精品| 欧美久久九九| 狠狠色综合色综合网络| 国产精品久久久爽爽爽麻豆色哟哟 | 国产精品theporn| 经典一区二区三区| 亚洲欧美视频在线观看| 在线不卡免费av| 日韩一级在线| 成人国产精品免费观看视频| 亚洲成人动漫一区| 国产日产亚洲精品系列| 欧美日韩一区二区欧美激情| 亚洲黄网站黄| av爱爱亚洲一区| 日本欧美一区二区三区| 中文字幕一区免费在线观看| 欧美一区二区三区在线视频| 午夜亚洲精品| 欧美日韩天天操| 成人性色生活片| 麻豆成人久久精品二区三区小说| 中文字幕一区二区三区四区不卡| 欧美一区二区观看视频| 国产精品视频免费观看| 欧美先锋影音| 99久久国产综合精品女不卡| 麻豆国产欧美日韩综合精品二区| 亚洲蜜臀av乱码久久精品| 久久久久青草大香线综合精品| 欧美日韩国产系列| 在线亚洲一区观看| 国产日韩欧美一区在线| 亚洲一级特黄| 国产精品成人一区二区网站软件| 成人爱爱电影网址| 国产一区二区91| 久久精品国产澳门| 同产精品九九九| 亚洲资源在线观看| 亚洲三级视频在线观看| 国产精品丝袜91| 久久久久久久综合狠狠综合| 日韩午夜激情视频| 欧美妇女性影城| 欧美男同性恋视频网站| 精品视频一区二区不卡| 欧美性做爰猛烈叫床潮| 欧美影院午夜播放| 欧美日韩精品欧美日韩精品|