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    • 3. 发明授权
    • 휴대 인터넷 시스템에서 기지국의 역방향 스케쥴링 시스템및 방법
    • 便携式互联网系统接入点的上行链路调度系统和方法
    • KR100668670B1
    • 2007-01-12
    • KR1020050114133
    • 2005-11-28
    • 한국전자통신연구원삼성전자주식회사주식회사 케이티에스케이텔레콤 주식회사에스케이브로드밴드주식회사
    • 김은경김주희김경수
    • H04L12/28H04L29/06
    • H04W72/1268H04W72/1257H04W72/14H04W80/06
    • A system and method for uplink scheduling of an AP t in a WiBro system are provided to predict that uplink traffic will be generated from an AT, allocate unicast uplink resources, and transmit an uplink traffic or uplink traffic allocation request message without wireless section random access of an AT, thereby solving an RTT(Round Trip Time) increase problem caused by wireless access characteristics of a best effort service and improving speed of a network. A system(210) for uplink scheduling of an AP(Access Point)(200) in a WiBro(Wireless Broadband) system comprises the followings: an uplink traffic generation predictor(211) for predicting uplink traffic generation from an AT(Access Terminal)(100) to the AP(200) after a downlink TCP(transmission control protocol) traffic is provided to the AT(100); and an uplink traffic resource allocator(212) which allocates unicast uplink resources to the AT(100) in a time section, calculated to transmit an uplink traffic or an uplink traffic allocation request message, without using wireless section random access from the AT(100).
    • 提供了一种用于WiBro系统中的AP t的上行链路调度的系统和方法,用于预测将从AT生成上行链路业务,分配单播上行链路资源,并且发送上行链路业务或上行链路业务分配请求消息,而无需无线部分随机接入 的AT,从而解决由尽力服务的无线接入特性引起的RTT(往返时间)增加问题,并提高网络的速度。 用于WiBro(无线宽带)系统中的AP(接入点)(200)的上行链路调度的系统(210)包括:用于从AT(接入终端)预测上行链路业务生成的上行链路业务量生成预测器(211) (100)向所述AP(200)发送下行TCP(传输控制协议)业务; 以及上行链路业务资源分配器(212),其在没有使用来自AT(100)的无线部分随机接入的情况下,在被计算为发送上行链路业务或上行链路业务分配请求消息的时间段中向AT(100)分配单播上行链路资源 )。