Wednesday, April 2, 2008

[Wireless] China 3G phone (TD-SCDMA)

In the area of 3G, China proposed and submitted its own standard (TD-SCDMA) to ITU-R in 1998 and got it approved as one of the 3G standardized technologies in the world. After that, China has been working on this standard for about 10 years. In order to support this self-own standard, China government postponed the 3G licence from year to year, and China Mobile Group (the world's largest mobile phone operator ranked by number of subscribers, with over 376.38 million customers by the end of Feb, 2008) was selected to build pre-commercial networks for TD-SCDMA system. Many of my previous colleagues in China participated in this project.

Yesterday (Apr 1, 2008), a video clip about China 3G/TD-SCDMA phone was released in sina.com (the largest Chinese-language infotainment web portal). In this clip, a video call, a piece of stream media and some java supported applications are demonstrated on a TD-SCDMA phone (the model is U980 of ZTE). The video call looks not bad. Although UMTS (WCDMA), cdma2000 EVDO, and even HSDPA have been widely deployed by some service providers in the United states, as I know no one supports video call yet.

The Olympics game is coming soon. Although China said TD-SCDMA might not make Olympics deadline, it's still very possible that TD-SCDMA phones will be offered on hand and showcased at that time.

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