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    • 1. 发明申请
    • COMMUNICATION TERMINAL
    • 通讯终端
    • US20120127865A1
    • 2012-05-24
    • US13388081
    • 2011-06-01
    • Hironori NakaeYoichi Masuda
    • Hironori NakaeYoichi Masuda
    • H04W72/08H04W24/00H04W72/10H04B7/212
    • H04B1/715H04B2001/7154H04W72/082H04W74/0833
    • A terminal (10) includes: a wireless transmission and reception unit (11) that transmits or receives a signal using a frequency channel selected by switching between a plurality of frequency channels; an interference detection unit (12) that determines, for each of the plurality of frequency channels, whether or not interference occurs when transmitting or receiving the signal using the frequency channel; and a frequency channel priority control unit (13) that sets a priority used when the wireless transmission and reception unit (11) transmits or receives the signal, according to a result of the determination by the interference detection unit (12). The wireless transmission and reception unit (11) transmits or receives the signal according to the priority.
    • 终端(10)包括:无线发送和接收单元(11),其使用通过在多个频率信道之间切换而选择的频率信道来发送或接收信号; 干扰检测单元(12),用于针对所述多个频道中的每一个确定当使用所述频率信道发送或接收所述信号时是否发生干扰; 以及频率信道优先级控制单元,其根据所述干扰检测单元(12)的确定结果来设定当所述无线发送和接收单元(11)发送或接收所述信号时使用的优​​先级。 无线发送接收单元(11)根据优先级发送或接收信号。
    • 6. 发明授权
    • Communication terminal, control device, communication method, control method, program, and integrated circuit
    • 通讯终端,控制装置,通讯方式,控制方式,程序及集成电路
    • US08953543B2
    • 2015-02-10
    • US13642581
    • 2011-06-08
    • Toshiaki OhnishiKazuhiro AndoHironori Nakae
    • Toshiaki OhnishiKazuhiro AndoHironori Nakae
    • H04W4/00H04W74/08
    • H04W74/0808H04W72/02
    • The communication terminal includes a receiving unit and a transmission unit, which serve as a communication unit for signal exchange; and a beacon processing unit as a first detection unit that detects, for each channel, the number of the other communication terminals performing wireless communication by receiving a terminal number notification signal from a control device. Additionally, a data processing unit is provided as a second detection unit that counts, for each channel, the number of the other communication terminals found by receiving acknowledgement signals transmitted from the other communication terminals; and a channel control unit selects a frequency channel having a least difference between the number detected by the beacon processing unit and the number counted by the data processing unit, and causes the receiving unit and the transmission unit to perform the signal exchange via the selected frequency channel.
    • 通信终端包括作为用于信号交换的通信单元的接收单元和发送单元; 以及信标处理单元,作为第一检测单元,通过从控制装置接收终端号码通知信号,对于每个信道检测执行无线通信的其他通信终端的数量。 此外,提供数据处理单元作为第二检测单元,对于每个通道,通过接收从其他通信终端发送的确认信号,对其他通信终端的数量进行计数; 并且信道控制单元选择由信标处理单元检测的号码与由数据处理单元计数的号码之间的差异最小的频道,并使接收单元和发送单元经由所选频率进行信号交换 渠道。
    • 8. 发明授权
    • Base station and communication method
    • 基站和通信方式
    • US08515477B2
    • 2013-08-20
    • US12673885
    • 2009-06-26
    • Naotake YamamotoHiroshi HayashinoHironori NakaeNaganori Shirakata
    • Naotake YamamotoHiroshi HayashinoHironori NakaeNaganori Shirakata
    • H04W72/08
    • H04W72/085H04L1/1893H04L5/06H04W28/04
    • A base station includes: an estimation section estimating transmission condition of each of frequency channels used for communication; a reception section receiving a data signal from each communication terminal through any of the frequency channels; a measurement section measuring received signal power of the received data signal for each frequency channel; a determination section determining, for each frequency channel, whether the received data signal is demodulated errorlessly; and a control section assigning frequency channels estimated as being in good transmission condition by the estimation section, to communication terminals the data signals of which are determined as not being errorlessly demodulated by the determination section, such that a frequency channel in a better transmission condition is assigned preferentially to a communication terminal having larger received signal power detected by the detection section, and transmitting retransmission request signals requesting the communication terminals to retransmit the data signals using the assigned frequency channels.
    • 基站包括:估计部,估计用于通信的每个频道的传输条件; 接收部分,通过任何频道从每个通信终端接收数据信号; 测量部分,测量每个频道的接收数据信号的接收信号功率; 确定部,为每个频道确定所接收的数据信号是否无误地解调; 以及控制部,通过所述估计部分将被估计为处于良好发送状态的频率信道分配给所述数据信号被确定为不被所述确定部无错误地解调的通信终端,使得更好的发送条件下的频道为 优先分配给具有由检测部检测到的较大接收信号功率的通信终端,以及发送请求通信终端的重传请求信号,以使用所分配的频率信道重传数据信号。
    • 9. 发明申请
    • CONTROLLER, COMMUNICATION TERMINAL, AND WIRELESS COMMUNICATION SYSTEM
    • 控制器,通信终端和无线通信系统
    • US20130170426A1
    • 2013-07-04
    • US13818706
    • 2012-07-19
    • Yosuke UkitaHironori NakaeHiroshi Hayashino
    • Yosuke UkitaHironori NakaeHiroshi Hayashino
    • H04W72/04
    • H04W72/0446H04W52/0216H04W72/10Y02D70/142Y02D70/144
    • A control point device that reduces delay in a power-saving wireless network includes a normal data generating unit that generates 1st-type data, a preferential data generating unit that generates 2nd-type data different from the 1st-type data, a determining unit that determines an active period length, a beacon generating unit that generates a broadcasting signal including information corresponding to the determined length of the active period, and a transmitting unit that transmits the broadcasting signal to the terminal on a frame basis. The determining unit shortens the length of the active period when the preferential data generating unit generates the 2nd-type data, and a preferential data period is set in an ex-active period obtained by the shortening of the active period, the preferential data period being a period during which the 2nd-type data is transmitted. The transmitting unit transmits the 2nd-type data to the terminal during the preferential data period.
    • 减少省电无线网络延迟的控制点装置包括生成第1类型数据的普通数据生成单元,生成与第1类型数据不同的第2类型数据的优先数据生成单元,确定单元, 确定活动周期长度;信标生成单元,生成包括与确定的活动期间长度相对应的信息的广播信号;以及发送单元,其以帧为基础向终端发送广播信号。 所述确定单元缩短所述优先数据生成单元生成所述第2类型数据时的所述活动期间的长度,并且优先数据周期被设定为通过缩短所述活动期间而获得的前期活动期间,所述优先数据周期为 发送第二类型数据的期间。 发送单元在优先数据周期期间向终端发送第二类型数据。