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WIRELESS BASE STATION AND HANDOVER METHOD THEREOF

  • US 20200137644A1
  • Filed: 12/24/2018
  • Published: 04/30/2020
  • Est. Priority Date: 10/29/2018
  • Status: Abandoned Application
First Claim
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1. A handover method for a wireless base station, the wireless base station being configured for wireless communicating with a user equipment (UE) and exchanging message with a target base station, the handover method including:

  • sending, by the wireless base station, a first reconfiguration message to the UE, wherein the first reconfiguration message includes a Packet Data Convergence Protocol (PDCP) reconfiguration message for changing a PDCP Sequence Number (SN) length of the UE to a predetermined bit length;

    after sending the first reconfiguration message, sending, by the wireless base station, a handover request message or a handover required message to inform the target base station, and receiving a handover request acknowledge message or a handover command message by the wireless base station; and

    after receiving the handover request acknowledge message or the handover command message by the wireless base station, sending, by the wireless base station, a second reconfiguration message to the UE, wherein the second reconfiguration message includes a handover message.

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