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    • 10. 发明申请
    • Method for exchanging data between devices on wireless personal area network
    • 用于在无线个人区域网络上的设备之间交换数据的方法
    • US20050094657A1
    • 2005-05-05
    • US10970467
    • 2004-10-22
    • Hyun-ah SungDae-gyu BaeJin-woo Hong
    • Hyun-ah SungDae-gyu BaeJin-woo Hong
    • H04L12/28H04L12/56H04B7/00
    • H04W72/0406H04W48/08H04W72/0413H04W72/042H04W74/08H04W80/02H04W84/10H04W84/18
    • The present invention relates to a method and an apparatus for bi-directionally exchanging data within an allocated channel time by improving the MAC (Media Access Control) of devices operating on a wireless PAN (Personal Area Network). The method of the present invention comprises the steps of (1) generating a channel time request frame containing directional information to determine whether data transmission is unidirectional or bi-directional, and transmitting the channel time request frame to a device responsible for channel time allocation; (2) generating a frame containing channel time allocation information including the directional information based on the information contained in the channel time request frame, and broadcasting the generated frame; and (3) exchanging data between first and second devices, which are designated as source and destination devices in the frame containing the channel time allocation information, during a predetermined channel time in accordance with the directional information.
    • 本发明涉及通过改进在无线PAN(个人区域网络)上操作的设备的MAC(媒体访问控制)来在分配的频道时间内双向交换数据的方法和装置。 本发明的方法包括以下步骤:(1)产生包含定向信息以确定数据传输是单向还是双向的信道时间请求帧,以及将信道时间请求帧发送到负责信道时间分配的设备; (2)基于包含在信道时间请求帧中的信息,生成包含包含方向信息的信道时间分配信息的帧,并广播所生成的帧; 和(3)根据方向信息在预定的信道时间期间在包含信道时间分配信息的帧中指定为源和目的地设备的第一和第二设备之间交换数据。