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    • 1. 发明公开
    • 광대역 무선접속 시스템에서 스케줄링 장치 및 방법
    • 宽带无线接入系统调度方法及装置
    • KR1020080070387A
    • 2008-07-30
    • KR1020070008419
    • 2007-01-26
    • 삼성전자주식회사김세진조충호이형우
    • 원정재김세진조충호이형우
    • H04B7/26H04L27/26
    • H04W72/1226H04L47/14H04L47/2433H04L47/2441H04L47/50H04L47/626H04W72/121H04W72/1247H04W72/1242
    • An apparatus and a method for scheduling in a broadband wireless access system are provided to estimate a hereafter channel state per each user, and to give the scheduling priority to users according to the estimated channel state. A base station buffers channel information which is fed-back from terminals periodically into a specified window size(601). The base station estimates next channel state by using the average channel variation amount(603). The base station classifies the terminals into three sub groups by using the estimated channel values(605). The base station arranges the sub groups according to the priority(607). The base station classifies the terminals per each of sub groups according to the channel level(609). The base station decides the priority of each terminal by arranging the terminals according to signal delay values(611). The base station creates a resource assignment priority list according to the priority(613). The base station assigns the resource to each terminal by performing the scheduling according to the priority list(615).
    • 提供一种用于在宽带无线接入系统中进行调度的装置和方法,用于估计每个用户的以后信道状态,并根据所估计的信道状态向用户给出调度优先级。 基站缓冲从终端周期性地反馈到指定窗口大小的信道信息(601)。 基站通过使用平均信道变化量来估计下一信道状态(603)。 基站通过使用估计的信道值将终端分为三个子组(605)。 基站根据优先级排列子组(607)。 基站根据信道级别对每个子组的终端进行分类(609)。 基站通过根据信号延迟值布置终端来确定每个终端的优先级(611)。 基站根据优先级创建资源分配优先级列表(613)。 基站通过根据优先级列表执行调度(615)将资源分配给每个终端。