Patent ID: 7965685

Claim:
A wireless base station, comprising: a base station controller operable to control communication between the wireless base station and a mobile communication unit within a coverage area associated with the wireless base station; a plurality of antenna units operable to receive wireless signals from the mobile communication unit and to transmit wireless signals to the mobile communication unit; a plurality of delay units, each of the plurality of delay units associated with a selected one of the antenna units, each of the plurality of delay units operable to insert an amount of delay time into a communication that is distinguishable from an amount of delay time inserted by each other delay unit; and user location identification logic operable to: receive a handoff request from the mobile communication unit; based on the delay time associated with a handoff request, determine a location of the mobile communication unit by identifying an antenna unit associated with a delay unit associated with the delay time; decide whether the location of the mobile communication unit is within a designated handoff area; execute a handoff between a first network and a second network, if the location of the mobile communication unit is within the designated handoff area; and deny the handoff request if the location of the mobile communication unit is not within the designated handoff area.