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Method and device for allocating radio resources in wireless portable network system

  • US 7,551,937 B2
  • Filed: 07/16/2004
  • Issued: 06/23/2009
  • Est. Priority Date: 07/18/2003
  • Status: Active Grant
First Claim
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1. A method for a base station to transmit allocation information of downlink radio resource to a subscriber terminal in an OFDMA (Orthogonal Frequency Division Multiple Access) communication system, the method comprising:

  • mapping, to a first region of a common control information of the downlink radio resource, allocation information for at least one subscriber terminal corresponding to a second region of the radio resource in a downlink frame composed of a predetermined number of symbols and a predetermined number of subchannels; and

    transmitting the common control information to the at least one subscriber terminal in a time duration of the downlink frame;

    wherein the allocation information includes;

    at least one identifier for the at least one subscriber terminal and a number of the at least one subscriber terminal; and

    symbol offset information and subchannel offset information indicating a two-dimensional position of the second region in the downlink frame.

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