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    • 1. 发明公开
    • RADIO COMMUNICATION SYSTEM, RADIO TERMINAL STATION, RADIO BASE STATION, AND RADIO COMMUNICATION METHOD
    • FUNKKMOMIKATIONSSYSTEM,FUNKENDGERÄTSTATION,UND FUNBASISSTATION
    • EP2104245A1
    • 2009-09-23
    • EP07850139.2
    • 2007-12-05
    • Mitsubishi Electric Corporation
    • NAGAI, YukimasaYAMAUCHI, TakahisaKOSAKA, Tetsuya
    • H04B7/26H04B7/06H04B7/08H04B7/10H04L12/28
    • H04B7/0695H04B7/0617H04B7/0619H04W8/005H04W28/065H04W72/0426H04W72/046H04W76/14
    • The present invention provides a wireless communication system that performs a communication using directional beams formed in a plurality of directions including at least a first wireless terminal station (1) that transmits beam transmission direction identification information in all directions, in which the information can be transmitted, over a period designated from a wireless base station (0) and a second wireless terminal station (2) that performs reception operation for the transmission direction identification information, which is transmitted from the first wireless terminal station (1), in all reception directions over a period designated from the wireless base station (0), combines reception direction identification information and the transmission direction identification information at the reception of the transmission direction identification information to specify the combined reception direction identification information and the transmission direction identification information as directivity direction combination information, and transmits the directivity direction combination information to the wireless base station. The first wireless terminal station (1) and the second wireless terminal station (2) form directional beams in directions indicated by the directivity direction combination information to thereby perform a direct communication.
    • 本发明提供一种无线通信系统,其使用在多个方向上形成的指向性波束进行通信,所述多个方向包括至少第一无线终端站(1),所述第一无线终端站在所有方向上发送所有方向的波束传输方向识别信息, 在从第一无线终端站(1)发送的发送方向识别信息的无线基站(0)和第二无线终端站(2)指定的时段内,在所有接收方向 在从无线基站(0)指定的时间段内,在接收发送方向识别信息时组合接收方向识别信息和发送方向识别信息,以指定组合的接收方向识别信息和发送方向标识i 信息作为指向性方向组合信息,并将方向性组合信息发送到无线基站。 第一无线终端站(1)和第二无线终端站(2)在由方向性组合信息指示的方向上形成定向波束,从而进行直接通信。
    • 3. 发明公开
    • RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD
    • Funkkommunikationssystem und Funkkommunikationsverfahren
    • EP2059060A2
    • 2009-05-13
    • EP07806236.1
    • 2007-08-29
    • Mitsubishi Electric Corporation
    • YAMAUCHI, TakahisaNAGAI, YukimasaTAIRA, Akinori
    • H04Q7/36
    • H04W48/12H04B7/0408H04B7/061H04B7/0695H04B7/0802H04B7/088H04L5/0037H04L5/0078H04L5/0094H04L27/0006H04W16/28H04W72/04H04W72/042
    • A base station of a radio communication system emits a radio wave having the same frequency by time division toward a plurality of specific areas from a plurality of antenna elements by using a multiple-beam antenna to form a plurality of spot beams, and transmits broadcast information through a plurality of beacon channels. Upon reception of the broadcast information, a terminal that exists in any one of the plurality of specific areas selects an optimum beacon channel, and transmits a communication establishment request and a bandwidth request to the base station through a request channel corresponding to information for identifying the antenna element, which is included in the broadcast information received through the selected optimum beacon channel. Upon reception of the requests, the base station schedules, when a channel is to be allocated, a channel allocation time including downlink and uplink data bandwidths and the like.
    • 无线电通信系统的基站通过使用多波束天线从多个天线元件向多个特定区域分时地发射具有相同频率的无线电波,以形成多个点波束,并且发送广播信息 通过多个信标信道。 在接收到广播信息时,存在于多个特定区域中的任何一个区域中的终端选择最佳信标信道,并且通过与用于识别信息的信息相对应的请求信道向基站发送通信建立请求和带宽请求 天线元件,其被包括在通过所选择的最佳信标信道接收的广播信息中。 当接收到请求时,基站在要分配信道时调度包括下行链路和上行链路数据带宽等的信道分配时间。