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Base station for multi-carrier TDMA mobile communication system and method for assigning communication channels

  • US 6,563,806 B1
  • Filed: 12/11/1998
  • Issued: 05/13/2003
  • Est. Priority Date: 12/12/1997
  • Status: Expired due to Fees
First Claim
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1. A base station for a multi-carrier TDMA radio communication system which uses a plurality of carrier frequencies each having time-division multiplex time slots, said base station comprising:

  • a management table memory for registering therein at least one group of candidate channels for multi-channel communication selected from among free traffic channels each defined in terms of the carrier frequency and time slot number, said candidate channel group comprising a plurality of candidate traffic channels classified into a predetermined number of sub-groups corresponding to the type of multi-channel communication, each of said sub-groups including candidate traffic channels having a predetermined mutual relation with respect to at least one of the carrier frequency and time slot; and

    a channel assigning unit which, in response to the reception of a channel assignment request from a mobile station of multi-channel type that uses multiple channels, retrieves traffic channels to be assigned to said mobile station from one of said sub-groups by making reference to said management table memory according to the type of multi-channel communication specified by the channel assignment request.

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