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Method and apparatus for soft switching

  • US 20070153747A1
  • Filed: 05/06/2004
  • Published: 07/05/2007
  • Est. Priority Date: 05/19/2003
  • Status: Abandoned Application
First Claim
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1. A method performed by a user equipment in wireless communication systems, for switching from P2P (Peer_to_Peer) communication mode to UP-UTRAN-DOWN communication mode (called as conventional mode), comprising steps of:

  • (a) detecting the direct link used by the user equipment in P2P communication with the other user equipment;

    (b) sending a request for switching to conventional communication mode to a wireless communication network system, if the detecting result indicates that the communication quality of the direct link can'"'"'t satisfy the requirement for P2P communication; and

    (c) establishing conventional communication connection to communicate with said the other user equipment in conventional communication mode, after receiving acknowledge (ACK) message of the request for switching sent by the network system.

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