Call maintainance during position location
First Claim
1. 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.
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Accused Products
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.
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Citations
8 Claims
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1. A method for performing position location in a subscriber unit in a CDMA wireless communications system having a base station, comprising the steps of:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification