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Apparatus and methods for conducting group calls in wireless communications systems

  • US 6,449,491 B1
  • Filed: 05/10/1999
  • Issued: 09/10/2002
  • Est. Priority Date: 05/10/1999
  • Status: Expired due to Term
First Claim
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1. In a wireless communications system including a plurality of distributed transceiver units, each of which are operative to communicate with terminals over a plurality of communications channels, a method of conducting a group call comprising the steps of:

  • transmitting a group call origination message from an originating terminal;

    receiving the group call origination message at a transceiver unit;

    transmitting a group call traffic channel designation message addressed to a group of terminals from the transceiver units responsive to the received group call origination message, the transmitted group call traffic channel designation message designating a common traffic channel; and

    communicating among terminals of the group of terminals via the plurality of distributed transceiver units over the designated common traffic channel, wherein said step of communicating comprises the steps of;

    communicating between one of the terminals and first transceiver unit during a group call; and

    then communicating between the one terminal and a second transceiver unit during the group call, without a handoff.

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