Call maintainance during position location
AssigneeQUALCOMM Incorporated
InventorsQiuzhen Zou, Gilbert C. Sih, Brian S. Edmonston
Life of this patent
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Abstract
The present invention is a novel and improved method and apparatus for performing position location in wireless communications system. In one embodiment the invention comprises a method for performing position location in a subscriber unit in a CDMA wireless communications system having a base station, including the step of receiving a position location request during a communication, entering a position location mode, transmitting frames to the base station while performing a position location procedure, and returning to communications mode when said position location procedure has been completed.
Claims8
A method for performing position location in a subscriber unit in a CDMA wireless communications system having a base station, comprising the steps of:
- receiving a position location request from the base station;
- in response to the position location request, tuning a receiver of the subscriber unit away from the current frequency to a position location frequency in order to receive position location information;
- and
- receiving information over the position location frequency and using the received information to perform a position location procedure, while transmitting information to the base station;
- retuning the receiver to once again receive from, as well as transmit to the base station when said position location procedure has been completed.
Dependencies are inferred from the claim text.