摘要 |
<p>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.</p> |