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Method and apparatus for performing handover procedure in wireless communication system

  • US 10,412,649 B2
  • Filed: 03/21/2014
  • Issued: 09/10/2019
  • Est. Priority Date: 03/22/2013
  • Status: Active Grant
First Claim
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1. A method for performing, by a first evolved Node-B (eNB) of a third generation partnership project (3GPP) long term evolution (LTE) system, a handover procedure in a wireless communication system, the method comprising:

  • receiving, from a user equipment (UE), a measurement report including information on an access point (AP) of a wireless local area network (WLAN) system when the first eNB connected with the UE does not have an AP to which data of the first eNB can be offloaded,wherein the information on the AP informs the first eNB that at least one AP to which data can be offloaded is located in a coverage of a second eNB,wherein the information on the AP includes a service set identifier (SSID) of the AP which is located in the coverage of the second eNB, andwherein the information on the AP is acquired by the UE based on system information including the SSID of the AP, which is transmitted from the second eNB to the UE;

    upon receiving the measurement report from the UE, determining whether or not the AP located in the coverage of the second eNB supports a certain resource required for the UE;

    when the AP located in the coverage of the second eNB supports the certain resource, determining to handover the UE to the second eNB; and

    upon the determining to handover the UE to the second eNB, transmitting a handover request message to the second eNB.

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