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Channel allocation notifying method, communication method, and communication apparatus

  • US 8,942,198 B2
  • Filed: 04/06/2012
  • Issued: 01/27/2015
  • Est. Priority Date: 09/29/2006
  • Status: Active Grant
First Claim
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1. A channel allocation notifying method with which a communication apparatus in a communication system allocates a communication channel to a terminal belonging to the communication apparatus and notifies the communication channel to the terminal, the channel allocation notifying method comprising:

  • a number-of-channel calculating step of calculating number of communication channels necessary for a communication with the terminal by using type and volume of data to be transmitted;

    a channel allocating step including allocating a single communication channel to the terminal based on quality information of a communication line between the communication apparatus and the terminal when calculated number of communication channels is one, and allocating more than one communication channels to the terminal based on the quality information when the calculated number of communication channels is more than one; and

    an allocation information generating step includinggenerating allocation information for notifying an allocated communication channel to the terminal based on a virtual channel that is set in advance as a unit of channel by combining a plurality of consecutive communication channels, andtransmitting the allocation information to the terminal,wherein the allocation information includesa channel unit notifying bit that indicates a virtual channel order that is number of communication channels in a virtual channel, anda channel bit that indicates an allocation status of a communication channel in each virtual channel, andthe allocation information generating step further includesdetermining, when a channel allocation is performed to all communication channels in a virtual channel, that the virtual channel is allocated with a communication channel, andsetting a value indicating an allocation of a communication channel to the channel bit of the virtual channel.

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