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    • 23. 发明授权
    • Method and system for bidirectionally transmitting data
    • 双向传输数据的方法和系统
    • US4841521A
    • 1989-06-20
    • US55036
    • 1987-05-28
    • Eiichi AmadaHirotoshi ShirasuHiroshi TakatoriTohru KazawaToshiro SuzukiTakanori MiyamotoTatsuya Kameyama
    • Eiichi AmadaHirotoshi ShirasuHiroshi TakatoriTohru KazawaToshiro SuzukiTakanori MiyamotoTatsuya Kameyama
    • H04L5/14
    • H04L5/1484
    • A method and a system for bidirectional transmission/reception of data between two terminal stations, in which each transmission period is divided into a plurality of first time sections for relatively low speed data transmission and at least one second time section for relatively high speed data transmission, the direction of transmission between the terminal stations being predetermined in each of the first time sections, while the direction of transmission between the terminal stations is reversible in each of the second time sections, each second time section being preceded by one of the first time sections. Transmission of information data and control data is performed from one to the other terminal station in a predetermined direction in each first time section, and the direction of data transmission between the terminal stations in the next second time section is determined on the basis of control data contained in the relatively low speed data transmission.
    • 一种用于在两个终端站之间双向传输/接收数据的方法和系统,其中每个传输周期被分成用于相对低速数据传输的多个第一时间段和用于相对高速数据传输的至少一个第二时间段 所述终端站之间的传输方向在所述第一时间段中的每一个中是预定的,而在所述第二时间段中的每一个中,所述终端站之间的传输方向是可逆的,每个第二时间段之前是所述第一时间段之一 部分。 在每个第一时间段中,以预定方向从一个终端站到另一个终端站发送信息数据和控制数据,并且基于控制数据确定下一个第二时间段中的终端站之间的数据传输方向 包含在相对低速的数据传输中。