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    • 1. 发明申请
    • Transmission Device, Transmission Method, and Computer-Readable Medium
    • 传输设备,传输方式和计算机可读介质
    • US20090010241A1
    • 2009-01-08
    • US12135181
    • 2008-06-08
    • Shigenori UCHIDAKatsutoshi Itoh
    • Shigenori UCHIDAKatsutoshi Itoh
    • H04J3/00
    • H04W28/22H04W72/12
    • A transmission device transmits data to a certain communication device among multiple communication devices connected over a wireless network in wireless communication capable of using multiple transmission rates. The transmission device includes first transmitting means for transmitting a first packet to the certain communication device during a transmission inhibited period; receiving means for receiving a second packet including information indicating a communication environment at reception of the first packet at the certain communication device from the certain communication device; and second transmitting means for transmitting a third packet to the certain communication device at a transmission rate appropriate for the information that is included in the received second packet and that indicates the communication environment. The data length of the certain data included in the first packet is shorter than that of the data included in the third packet.
    • 传输设备在能够使用多个传输速率的无线通信中通过无线网络连接的多个通信设备中的某个通信设备发送数据。 发送装置包括用于在发送禁止期间向特定通信装置发送第一分组的第一发送装置; 接收装置,用于从所述特定通信设备接收包括在所述特定通信设备处接收到所述第一分组的通信环境的信息的第二分组; 以及第二发送装置,用于以适于包含在所接收的第二分组中并指示通信环境的信息的传输速率向某个通信设备发送第三分组。 包含在第一分组中的某些数据的数据长度比包括在第三分组中的数据的数据长度短。
    • 3. 发明申请
    • Communication Apparatus, Communication Method, Program, and Communication System
    • 通信设备,通信方法,程序和通信系统
    • US20090285114A1
    • 2009-11-19
    • US12464528
    • 2009-05-12
    • Shigenori UCHIDA
    • Shigenori UCHIDA
    • H04L12/26
    • H04W74/00
    • A communication apparatus includes a receiving unit that receives a data frame including a plurality of pieces of unit data and transmitted from a communication partner; a determining unit that determines whether there is data loss, for each piece of unit data included in the data frame received by the receiving unit; a transmission right acquiring unit that acquires a transmission right; and a generating unit that generates grant data for granting the transmission right acquired by the transmission right acquiring unit to the communication partner, when the determining unit determines that at least any one of the pieces of unit data has been lost.
    • 一种通信装置,包括:接收单元,接收包含多个单元数据并从通信对方发送的数据帧; 确定单元,确定对于由接收单元接收的数据帧中包括的每个单元数据是否存在数据丢失; 获取发送权的发送权获取单元; 以及产生单元,当所述确定单元确定所述单元数据中的至少一个已经丢失时,生成用于向所述通信伙伴发送用于授权由所述发送权获取单元获取的发送权的准予数据。