Unsolicited grant service class of IEEE 802.16/WiBro system
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United States of America Patent
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Mar 20, 2012
Grant Date -
Mar 5, 2009
app pub date -
Aug 28, 2008
filing date -
Aug 29, 2007
priority date (Note) -
Expired
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Abstract
Provided is a traffic class of an IEEE 802.16/WiBro system. The unsolicited grant service (UGS) scheduling method with regard to a subscriber station (SS) and a base station (BS) that are disposed in a network wherein an IEEE 802.16/WiBro system is realized, the method includes: when the SS requires 1 through M (where M is a positive integer) UGS flows, and the BS serves 1 through N (where N is a positive integer) frames, the BS storing grant periods and guaranteed sizes that are granted to the M UGS flows in each N frame; and the BS comparing service capacity of a frame and a sum of guaranteed sizes of each flow belonging to the N frames, and determining if an overload occurs.
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