Ou Qing-bo

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PoC (Push to Talk over Cellular) is a kind of new real-time voice services which can be realized in TD-SCDMA network. The point-to-point communication and the point-to-multipoint communication are provided in the same mobile communication system. The same information is shared by users in different locations. In view of the communication features of group(More)
For the particularity of some departments’ work and mission, the command and dispatch system based on TD-SCDMA network is proposed. Their needs for the point-to-point communication service and the group call service of the one-to-multipoint communication can be met in 3G mobile communication network. In view of the fact that people need this(More)
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