Patent ID: 7747258
Filing Date: 2010-06-29
Classification: G01S,H04W

Abstract:
1. A method of performing position determination of user equipment (UE) in a network, comprising: in the UE, receiving from the network an indication to perform a position fix of the UE; from the UE, sending to the network an acknowledgment to perform the position fix; in the UE, receiving from the network a pre-session command that indicates selected location-related data to be cleared from at least a portion of a memory in the UE containing the selected location-related data to reset said portion of the memory to a known state, and responsive thereto, clearing said selected location-related data at the UE by deleting the selected location-related data from said portion of the memory prior to performing the position fix for the UE; and performing a location session, including performing the position fix for the UE.