×

Call maintainance during position location

  • US 6,211,820 B1
  • Filed: 09/09/1998
  • Issued: 04/03/2001
  • Est. Priority Date: 09/09/1998
  • Status: Expired due to Term
First Claim
Patent Images

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.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×