Patent ID: 8543114
Filing Date: 2013-09-24
Classification: H04W

Abstract:
1. A method of facilitating a handover (HO) of a user equipment (UE) in a wireless system, comprising the steps of: triggering, by a Long Term Evolution (LTE) Attachment or Tracking Area Update (TAU), a UE to start a REGISTER or REGISTER UPDATE procedure; sending the REGISTER or REGISTER UPDATE to a Voice over LTE Generic Access (VoLGA) Access Network Controller (VANC); checking, by the VANC, upon receiving the REGISTER or REGISTER UPDATE, if a plurality of LTE HO selection functions (HOSFs) have theretofore been notified that the UE is registered to the VANC, and if not, then sending, by the VANC, data with a VANC name/address and an International Mobile Subscriber Identity (IMSI) of the UE, all in parallel, to the plurality of LTE HOSFs; and acknowledging, by each of the plurality of LTE HOSFs, receipt of the data with a response.