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Method and apparatus for group calls in a wireless CDMA communication system

  • US 6,181,685 B1
  • Filed: 04/23/1998
  • Issued: 01/30/2001
  • Est. Priority Date: 04/23/1998
  • Status: Expired due to Term
First Claim
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1. A controller for use in a wireless CDMA communication system comprising at least one base station coupled to the controller, the at least one base station being in wireless communication with a plurality of subscriber units via at least one outbound traffic channel, the plurality of subscriber units being in wireless communication with the at least one base station via a respective plurality of inbound traffic channels, the controller comprising:

  • means for receiving, from a requesting subscriber unit of a group, a request for a group call, wherein at least a subset of the plurality of subscriber units are logically arranged into the group;

    means, coupled to the means for receiving, for allocating at least one outbound power adjustment channel to the group call the at least one outbound power adjustment channel being in addition to the at least one outbound traffic channel and the plurality of inbound traffic channels and enabling the controller to provide unique inbound power adjustment information to at least some subscriber units of the group; and

    means, coupled to the means for allocating, for sending, to the at least some subscriber units of the group, identification of the at least one outbound power adjustment channel responsive to the request.

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