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    • 3. 发明授权
    • Wireless communication apparatus and communication method thereof
    • 无线通信装置及其通信方法
    • US07468971B2
    • 2008-12-23
    • US11268594
    • 2005-11-08
    • Takanori HashimotoTeruaki Uehara
    • Takanori HashimotoTeruaki Uehara
    • H04Q7/24
    • H04W88/10H04W28/26H04W48/02H04W48/12H04W74/08
    • An AP allows a CTS generator provided within a control unit to generate a self-destined, e.g., IEEE802.11b standard-based CTS signal containing a duration time corresponding to each standard. Then, the AP notifies to each STA operated based on the 11b standard in a basic service set, that it is being ready for transmission due to the transmission of the CTS signal, thereby to prohibit the operation of the corresponding STA. Further, the AP transmits a beacon based on an IEEE802.11g standard to thereby set a condition based on this standard and is caused to perform transmission/reception to and from the corresponding STA alone over the duration time indicated by the 11b standard. In a reverse case, the AP transmits a CTS signal containing a self-destined duration time under the IEEE802.11g standard to prohibit the operation of the corresponding STA based on the 11g standard. Further, the AP transmits a beacon based on the 11b standard to thereby set a condition based on this standard and is caused to perform transmission/reception to and from the corresponding station alone over the duration time indicated by the 11g standard.
    • AP允许提供在控制单元内的CTS发生器产生自发目的地,例如基于IEEE802.11b标准的CTS信号,其包含对应于每个标准的持续时间。 然后,AP通过基本服务集中的11b标准对所运行的每个STA通知由于CTS信号的发送而正在准备发送,从而禁止对应的STA的操作。 此外,AP基于IEEE802.11g标准发送信标,从而基于该标准设置条件,并且在由11b标准指示的持续时间内单独对对应的STA进行发送/接收。 在相反的情况下,AP根据IEEE802.11g标准发送包含自发目的地持续时间的CTS信号,以基于11g标准禁止对应的STA的操作。 此外,AP基于11b标准发送信标,从而基于该标准设置条件,并且在由11g标准指示的持续时间内单独执行与相应站的发送/接收。
    • 4. 发明授权
    • Receiving apparatus
    • 接收装置
    • US07885241B2
    • 2011-02-08
    • US11938915
    • 2007-11-13
    • Takanori Hashimoto
    • Takanori Hashimoto
    • H04J3/00
    • H04J3/0608
    • LCCH steal receiving is done by a receiving unit which uses TDMA method without overloading to the control processor. A UW detecting unit 10 for detecting a UW by setting a UW expected value for control channel according to a timing signal TM3 from a LCCH timing unit 30, a frame timing unit 20 for outputting a frame timing signal TM1 of the frame according to a UW detecting signal DET, the LCCH timing unit 30 for outputting a timing signal TM3 for the UW detecting unit 10 and a timing signal TM5 for a PLL control unit 40 by counting the timing signal TM1, and the PLL control unit 40 for selecting and outputting a channel setting signal CH for a PLL2 according to the timing signal TM5 are all configured by hardware circuits. By the above configuration, the LCCH steal receiving becomes possible without software operations of the receiving units.
    • LCCH窃取接收由使用TDMA方式的接收单元完成,而不会超载到控制处理器。 UW检测单元10,用于根据来自LCCH定时单元30的定时信号TM3设置用于控制信道的UW期望值来检测UW;帧定时单元20,用于根据UW输出帧的帧定时信号TM1 检测信号DET,用于输出用于UW检测单元10的定时信号TM3的LCCH定时单元30和通过对定时信号TM1进行计数的PLL控制单元40的定时信号TM5以及用于选择和输出 根据定时信号TM5的PLL2的通道设置信号CH都由硬件电路配置。 通过上述配置,在没有接收单元的软件操作的情况下,LCCH窃取接收成为可能。
    • 6. 发明申请
    • Wireless communication apparatus and communication method thereof
    • 无线通信装置及其通信方法
    • US20060114865A1
    • 2006-06-01
    • US11268594
    • 2005-11-08
    • Takanori HashimotoTeruaki Uehara
    • Takanori HashimotoTeruaki Uehara
    • H04Q7/24
    • H04W88/10H04W28/26H04W48/02H04W48/12H04W74/08
    • An AP allows a CTS generator provided within a control unit to generate a self-destined, e.g., IEEE802.11b standard-based CTS signal containing a duration time corresponding to each standard. Then, the AP notifies to each STA operated based on the 11b standard in a basic service set, that it is being ready for transmission due to the transmission of the CTS signal, thereby to prohibit the operation of the corresponding STA. Further, the AP transmits a beacon based on an IEEE802.11g standard to thereby set a condition based on this standard and is caused to perform transmission/reception to and from the corresponding STA alone over the duration time indicated by the 11b standard. In a reverse case, the AP transmits a CTS signal containing a self-destined duration time under the IEEE802.11g standard to prohibit the operation of the corresponding STA based on the 11g standard. Further, the AP transmits a beacon based on the 11b standard to thereby set a condition based on this standard and is caused to perform transmission/reception to and from the corresponding station alone over the duration time indicated by the 11g standard.
    • AP允许提供在控制单元内的CTS发生器产生自发目的地,例如基于IEEE802.11b标准的CTS信号,其包含对应于每个标准的持续时间。 然后,AP通过基本服务集中的11b标准对所运行的每个STA通知由于CTS信号的发送而正在准备发送,从而禁止对应的STA的操作。 此外,AP基于IEEE802.11g标准发送信标,从而基于该标准设置条件,并且在由11b标准指示的持续时间内单独对对应的STA进行发送/接收。 在相反的情况下,AP根据IEEE802.11g标准发送包含自发目的地持续时间的CTS信号,以基于11g标准禁止对应的STA的操作。 此外,AP基于11b标准发送信标,从而基于该标准设置条件,并且在由11g标准指示的持续时间内单独执行与相应站的发送/接收。