×

Method and base station controller for handover of simultaneous voice and data sessions

  • US 20070010252A1
  • Filed: 07/07/2005
  • Published: 01/11/2007
  • Est. Priority Date: 07/07/2005
  • Status: Active Grant
First Claim
Patent Images

1. A method of reestablishing a packet data session when a mobile station, conducting both a circuit-switched call and a packet data session, is handed over from a serving base transceiver station (BTS) to a target BTS served by the same base station controller (BSC) in a GPRS/EDGE cellular radio telecommunication system, said method comprising:

  • determining by the BSC that a handover of the mobile station from the serving BTS to the target BTS is imminent;

    sending from the BSC to the mobile station prior to a handover command, information needed by the mobile station to resume the packet data session in the target cell;

    handing over the mobile station from the serving BTS to the target BTS;

    reconnecting the circuit-switched call; and

    reestablishing the packet data session utilizing the information sent to the mobile station prior to the handover command.

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