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Method of handoff between base stations in a wireless communications system

  • US 6,570,856 B1
  • Filed: 12/18/1998
  • Issued: 05/27/2003
  • Est. Priority Date: 03/14/1996
  • Status: Expired due to Term
First Claim
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1. A method of operation of a radio communications system comprising a remote station, a first base station and at least a second base station, having an ATM communication connection established between the remote station and the first base station with at least a first virtual connection identifier, the method comprising the steps of:

  • determining that handoff conditions are met for a handoff to the second base station;

    selecting a second virtual path identifier and a second virtual connection identifier for a connection between the second base station and the remote station; and

    wherein the first base station is provided with a sub-group of virtual path identifiers for use in communications with the remote station and the second base station is provided with a second sub-group of virtual path identifiers for use in communications with the remote station, which is mutually exclusive to the first sub-group of virtual path identifiers, and the second virtual path identifier is selected from the second sub-group.

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