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    Systems and methods for wireless communication
    2.
    发明公开
    Systems and methods for wireless communication 有权
    Systeme und Verfahren zur drahtlosen Kommunikation

    公开(公告)号：EP1863304A1

    公开(公告)日：2007-12-05

    申请号：EP07008981.8

    申请日：2007-05-03

    申请人： Hitachi, Ltd.

    发明人： Murai, Shinji ,  Ishifuji, Tomoaki ,  Yano, Takashi ,  Shida, Masaaki ,  Hayase, Shigenori

    IPC分类号： H04Q7/36

    CPC分类号： H04W72/085 ,  H04W28/18 ,  H04W72/046

    摘要： In a wireless communication system (FIG. 1) for communicating with a plurality of stations (103) at the same point of time with the same frequency using a Space Division Multiple Access (SDMA), wireless resources are allocated by a first decision unit (206-c) which evaluates performance of each station obtained when the SDMA is used and which determines periods of time to be allocated to groups of stations formed according to the SDMA technique. Using a first evaluation unit (206-a) and a second evaluation unit (206-b) to evaluate performance required by each station and each application, the first decision unit allocates the wireless resources to the stations. It is therefore possible that the wireless resources are efficiently allocated to the stations while preventing an event in which the wireless resources are excessive or insufficient for required quality of service (QoS; FIG. 7).

    摘要翻译： 在用于使用空分多址（SDMA）以相同频率在同一时间点与多个站（103）进行通信的无线通信系统（图1）中，无线资源由第一决策单元 206-c），其评估当使用SDMA时获得的每个站的性能，并且确定要分配给根据SDMA技术形成的站组的时间段。 使用第一评估单元（206-a）和第二评估单元（206-b）来评估每个站点和每个应用所要求的性能，第一决策单元向站点分配无线资源。 因此，可以将无线资源有效地分配给站，同时防止无线资源过多或不足以满足所需服务质量（QoS;图7）的事件。