Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-05-02
2006-05-02
Feild, Joseph (Department: 2681)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S457000, C455S456100, C455S440000
Reexamination Certificate
active
07039430
ABSTRACT:
A method for controlling operation modes of a medium access control layer by a mobile subscriber station in a broadband wireless access communication system including the mobile subscriber station and a serving base station providing service to the mobile subscriber station is provided. The method includes the steps of: mode-transiting into an idle mode when there is no data transmission between the serving base station and the mobile subscriber station during a predetermined first time interval in an awake mode; detecting movement of the mobile subscriber station in the idle mode into another paging zone covering a target base station, which is different from a paging zone covering the serving base station; and mode-transiting into the awake mode and performing location update together with the target base station when the movement of the mobile subscriber station is detected.
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Chang Hong-Sung
Chang Yong
Eom Kwang-Seop
Hong Seung-Eun
Kang Hyon-Goo
Afshar Kamaran
Dilworth & Barrese LLP
Feild Joseph
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