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    • 3. 发明授权
    • Wireless communication apparatus
    • 无线通信装置
    • US06792255B2
    • 2004-09-14
    • US09768679
    • 2001-01-24
    • Yasuhiro ShibuyaKoji HiraiHiroyuki Kiyanagi
    • Yasuhiro ShibuyaKoji HiraiHiroyuki Kiyanagi
    • H04B106
    • H03G3/3036H04W52/34
    • A wireless communication apparatus according to the present invention is composed of a first section for carrying out wireless communication with a multichannel signal and a second section having a plurality of channel units each process a predetermined frequency signal as a channel signal. The wireless communication apparatus is arranged to have a plurality of variable attenuators each provided for corresponding one of the channel signals received from each channel unit of the second section, a combiner for combining outputs from the respective variable attenuators together and outputting the resultant combined signal to the first section, and a control unit for controlling the degree of attenuation of the individual variable attenuators according to the variation of the number of the channel signals. According to the arrangement, the wireless communication apparatus can not only communicate with an opponent station by transmitting a multichannel signal but also effectively suppress negative influence on existing channel even if a new channel unit is additionally provided.
    • 根据本发明的无线通信装置由用于执行与多信道信号的无线通信的第一部分和具有多个信道单元的第二部分组成,每个信道单元各自处理预定的频率信号作为信道信号。 无线通信装置被配置为具有多个可变衰减器,每个可变衰减器被设置用于从第二部分的每个信道单元接收的相应一个信道信号,组合器,用于将来自各个可变衰减器的输出组合在一起,并将所得到的组合信号输出到 第一部分和控制单元,用于根据信道信号的数量的变化来控制各个可变衰减器的衰减程度。 根据该结构,无线通信装置不仅能够通过发送多信道信号与对手站进行通信,而且即使附加地提供新的信道单元,也可以有效地抑制对现有信道的负面影响。
    • 8. 发明授权
    • Wireless communication apparatus
    • 无线通信装置
    • US06871053B2
    • 2005-03-22
    • US09768679
    • 2001-01-24
    • Yasuhiro ShibuyaKoji HiraiHiroyuki Kiyanagi
    • Yasuhiro ShibuyaKoji HiraiHiroyuki Kiyanagi
    • H03G3/30H04B1/40H04B7/005H04B7/208H04B7/26H04W52/04H04W52/34H04W72/04H04W84/08H04B1/06
    • H03G3/3036H04W52/34
    • A wireless communication apparatus according to the present invention is composed of a first section for carrying out wireless communication with a multichannel signal and a second section having a plurality of channel units each process a predetermined frequency signal as a channel signal. The wireless communication apparatus is arranged to have a plurality of variable attenuators each provided for corresponding one of the channel signals received from each channel unit of the second section, a combiner for combining outputs from the respective variable attenuators together and outputting the resultant combined signal to the first section, and a control unit for controlling the degree of attenuation of the individual variable attenuators according to the variation of the number of the channel signals. According to the arrangement, the wireless communication apparatus can not only communicate with an opponent station by transmitting a multichannel signal but also effectively suppress negative influence on existing channel even if a new channel unit is additionally provided.
    • 根据本发明的无线通信装置由用于执行与多信道信号的无线通信的第一部分和具有多个信道单元的第二部分组成,每个信道单元各自处理预定的频率信号作为信道信号。 无线通信装置被配置为具有多个可变衰减器,每个可变衰减器被设置用于从第二部分的每个信道单元接收的相应一个信道信号,组合器,用于将来自各个可变衰减器的输出组合在一起,并将所得到的组合信号输出到 第一部分和控制单元,用于根据信道信号的数量的变化来控制各个可变衰减器的衰减程度。 根据该结构,无线通信装置不仅能够通过发送多信道信号与对手站进行通信,而且即使附加地提供新的信道单元,也可以有效地抑制对现有信道的负面影响。
    • 10. 发明申请
    • WIRELESS COMMUNICATION APPARATUS AND METHOD
    • 无线通信装置和方法
    • US20100222012A1
    • 2010-09-02
    • US12713381
    • 2010-02-26
    • Yasuhiro ShibuyaShigeru Okawa
    • Yasuhiro ShibuyaShigeru Okawa
    • H04B1/46
    • H04B7/0825H04B1/525H04B7/0608H04B17/103H04B17/17H04B17/29H04B17/318H04B17/336
    • A wireless communication apparatus that performs communication uses a communication method in which a transmission period and a reception period alternate with each other. The wireless communication apparatus includes a first antenna that transmits a radio signal during the transmission period and receives a radio signal during the reception period, a second antenna that receives the radio signal transmitted from the first antenna during the transmission period and receives a radio signal during the reception period, a first determining unit that determines a failure of the first antenna based on a ratio of a transmission power to a returning power for the radio signal transmitted from the first antenna, and a second determining unit that determines a failure of the second antenna based on a reception power of a radio signal received by the second antenna during the transmission period and a determination result of the first determining unit.
    • 执行通信的无线通信装置使用其中发送周期和接收周期彼此交替的通信方法。 该无线通信装置包括在发送期间发送无线信号并在接收期间接收无线信号的第一天线,在发送期间接收从第一天线发送的无线信号的第二天线,在第一天线期间接收无线信号 接收时段,第一确定单元,其基于从第一天线发送的无线电信号的发送功率与返回功率的比率来确定第一天线的故障;以及第二确定单元,其确定第二天线的故障 基于在发送期间由第二天线接收的无线电信号的接收功率的天线和第一确定单元的确定结果。