Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-04-24
2008-03-18
Eng, George (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S440000, C455S436000, C455S560000, C455S517000, C455S422100, C370S338000
Reexamination Certificate
active
07346361
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 Kamran
Eng George
Samsung Electronics Co,. Ltd
The Farrell Law Firm PC
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