System and method for controlling an operational mode of a MAC layer in broadband wireless access communication system
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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.
48 Citations
50 Claims
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1-36. -36. (canceled)
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37. A communication system, comprising:
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a plurality of mobile subscriber stations; and
a means for determining paging time points for the plurality of mobile subscriber stations, determining an offset value in order to differently set the paging time points at which the plurality of mobile subscriber stations awaken, determining based on a paging cycle and the offset value the paging time points, and transmitting to the plurality of mobile subscriber stations at least one message indicating the determined paging time points. - View Dependent Claims (38, 39, 40, 41, 42, 43)
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44. A method for controlling, by a communication system, operation modes of a plurality of mobile subscriber stations, the method comprising the steps of:
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determining a paging cycle;
determining an offset value in order to differently set paging time points at which the plurality of mobile subscriber stations awaken; and
determining based on the paging cycle and the offset value the paging time points. - View Dependent Claims (45, 46, 47, 48, 49, 50)
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Specification