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Title:
ハンドオーバ方法及び基地局
Document Type and Number:
Japanese Patent JP4690464
Kind Code:
B2
Abstract:
To provide a method for suitably enabling the resources of a handover-source base station to be released and the post-handover processes of a handover-destination base station to be executed by securely determining a transfer of Last Packet without increasing a packet transmission delay in a handover process in a mobile communication system where a mobile station makes a communication with packets, a base station is provided with a Last Packet determination timer, and the handover source base station or the handover-destination base station activates the timer upon receipt of a handover completion acknowledgment transmitted from an upper node station or according to a resource release instruction after the reception of the handover completion acknowledgment, and determines that Last Packet has been received, upon expiration of the timer.

Inventors:
Yoshiaki Ota
Yoshiharu Tajima
Yoshiki Tanaka
河▲崎▼ 義博
Katsuma Sugiyama
Ritsuo Hayashi
Kazuo Obuchi
Application Number:
JP2008541925A
Publication Date:
June 01, 2011
Filing Date:
October 27, 2006
Export Citation:
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Assignee:
富士通株式会社
International Classes:
H04W36/02; H04W36/08; H04W36/38
Domestic Patent References:
JP2005513907A2005-05-12
JPH09186704A1997-07-15
JP2001268614A2001-09-28
Attorney, Agent or Firm:
Yoshiyuki Osuga
virtue Tamio Ei