Content distribution system, network, and channel switching...

Details Content distribution system, network, and channel switching... Content distribution system, network, and channel switching...

2008-10-01

2009-12-08

Afshar, Kamran (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S522000, C455S560000, C455S509000, C370S318000, C370S329000

Reexamination Certificate

active

07630720

ABSTRACT:
A content distribution system uses a PtP (point to point) channel (individual channel) or PtM (point to multi-point) channel (common channel) as a radio channel of a predetermined type so as to distribute a broadcast content as communication data to a user terminal as a mobile station. The user terminal receives the same content distributed from a broadcast content server by the PtP channel. Here, if the total of the downlink transmission power of the PtP channel is greater than the downlink transmission power of the PtM channel when the content is distributed to the user terminal by the single PtM channel, a base station or a base station control device judges that the radio channel is to be switched from the PtP channel to the PtM channel. Similar judgment is made when switching from the PtM channel to the PtP channel is performed. Thus, it is possible to switch the radio channel type used for the broadcast-type service without lowering the use effect of the radio resources.

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3GPP TR 23.846 6.0.0, Oct. 2.

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