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    • 3. 发明授权
    • Wireless communication terminal
    • 无线通信终端
    • US08705422B2
    • 2014-04-22
    • US13223688
    • 2011-09-01
    • Tomoko AdachiTakeshi TomizawaTomoya Tandai
    • Tomoko AdachiTakeshi TomizawaTomoya Tandai
    • H04W92/00
    • H04L45/74H04B1/44H04L1/0083H04L1/1621H04W28/04H04W28/06H04W52/0216H04W88/02Y02D70/00Y02D70/142
    • According to one embodiment, a wireless communication terminal including a receiver, a first processor, a first storage, a second storage, a second processor, and a transmitter is provided. The receiver receives one physical packet that includes at least one frame body field, a first field including information on a length of the frame body field, a second field used to detect an error of the frame body field, and a sequence number field including a sequence number corresponding to the frame body field. The second storage retains a successively and successfully received maximum sequence number on the basis of a result of the first processor. The transmitter transmits a response frame indicating the successively and successfully received maximum sequence number when the first processor extracts at least one correct frame body.
    • 根据一个实施例,提供了包括接收机,第一处理器,第一存储器,第二存储器,第二处理器和发送器的无线通信终端。 接收机接收包括至少一个帧体场的一个物理分组,包括关于帧体场长度的信息的第一场,用于检测帧体场的误差的第二场,以及包括 对应于框架体字段的序列号。 第二存储器基于第一处理器的结果保持连续且成功接收的最大序列号。 当第一处理器提取至少一个正确的帧体时,发射器发送指示连续且成功接收的最大序列号的响应帧。
    • 4. 发明授权
    • Communication device
    • 通讯设备
    • US08548392B2
    • 2013-10-01
    • US13588421
    • 2012-08-17
    • Tetsu NakajimaTomoko AdachiKiyoshi ToshimitsuTatsuma HiranoYoriko Utsunomiya
    • Tetsu NakajimaTomoko AdachiKiyoshi ToshimitsuTatsuma HiranoYoriko Utsunomiya
    • H04B1/38
    • H04W72/0406H04W52/0216H04W52/0219Y02D70/142
    • A communication device includes a receiver, a transmitter and an interruption module. The receiver receives an allocation signal indicating a first period usable by the communication device and a second period usable by a plurality of communication devices including the communication device. The transmitter transmits a transmission signal in the first period. If the transmission of the transmission signal is completed within the first period, the interruption module interrupts at least a part of power supply to the receiver in the second period. If the transmission of the transmission signal is not completed within the first period and directivity of radio waves used by a second communication device includes a direction of the communication device in a communication period allocated before the second period, the transmitter transmits the transmission signal in the second period.
    • 通信设备包括接收机,发射机和中断模块。 接收器接收指示通信装置可使用的第一时段的分配信号和包括通信装置的多个通信装置可使用的第二时段。 发射机在第一周期中发射发射信号。 如果传输信号的传输在第一周期内完成,则中断模块在第二周期中断接收机的至少一部分电力供应。 如果传输信号的传输在第一周期内没有完成,并且第二通信设备使用的无线电波的方向性包括在第二周期之前分配的通信周期内的通信设备的方向,则发射机在 第二阶段。
    • 6. 发明申请
    • WIRELESS COMMUNICATION APPARATUS
    • 无线通信设备
    • US20120220228A1
    • 2012-08-30
    • US13223779
    • 2011-09-01
    • Tomoya TANDAITomoko AdachiTakeshi Tomizawa
    • Tomoya TANDAITomoko AdachiTakeshi Tomizawa
    • H04B5/00
    • H04W76/02H04W72/02H04W72/082H04W76/10
    • According to one embodiment, there is provided a wireless communication apparatus for making wireless connection in the first connection attempt state wherein a connection request is attempted using a predetermined frequency channel or the second connection attempt state wherein a connection request is attempted using a plurality of frequency channels. A frame generation unit generates a connection request frame which includes the first field for requesting a search of the plurality of frequency channels in response to occurrence of interference, and the second field indicating whether a corresponding frequency channel is a channel wherein occurrence of interference has been detected. A transmission unit transmits the connection request frame using the predetermined frequency channel in the first connection attempt state, and transmits the connection request frame using the plurality of frequency channels in the second connection attempt state.
    • 根据一个实施例,提供了一种无线通信装置,用于在第一连接尝试状态中进行无线连接,其中使用预定频率信道尝试连接请求或第二连接尝试状态,其中尝试使用多个频率的连接请求 频道 帧生成单元生成连接请求帧,该连接请求帧包括响应于干扰的发生而请求搜索多个频道的第一字段,以及指示对应的频道是否是干扰发生的频道的第二字段 检测到。 传输单元在第一连接尝试状态下使用预定频道发送连接请求帧,并且在第二连接尝试状态下使用多个频道发送连接请求帧。
    • 7. 发明申请
    • WIRELESS COMMUNICATION APPARATUS
    • 无线通信设备
    • US20120195296A1
    • 2012-08-02
    • US13223587
    • 2011-09-01
    • Tomoko ADACHIKoichiro BanTomoya TandaiHideo Kasami
    • Tomoko ADACHIKoichiro BanTomoya TandaiHideo Kasami
    • H04W84/12
    • H04W52/34H04W16/14H04W52/54H04W72/048H04W72/082H04W74/0808H04W84/12H04W88/06
    • According to embodiments, a wireless communication apparatus supports at least a second wireless communication scheme between a first, wireless communication scheme and the second wireless communication scheme. The first wireless communication scheme requires that a wireless medium is determined to be busy when a reception level is equal to or greater than a minimum reception sensitivity level of physical scheme. The apparatus includes a first processing unit and a second processing unit. The first processing unit is configured to set a value lower than a maximum transmission power of the first wireless communication scheme, for a maximum transmission power of the second wireless communication scheme and set a value greater than the minimum reception sensitivity level, of the physical scheme, for a carrier sense level, when the second wireless communication scheme is used. The second processing unit is configured to carry out carrier sense using the carrier sense level.
    • 根据实施例,无线通信装置支持第一无线通信方案和第二无线通信方案之间的至少第二无线通信方案。 第一无线通信方案要求当接收电平等于或大于物理方案的最小接收灵敏度级别时,无线介质被确定为忙。 该装置包括第一处理单元和第二处理单元。 第一处理单元被配置为针对第二无线通信方案的最大发送功率设置低于第一无线通信方案的最大发送功率的值,并且设置大于物理方案的最小接收灵敏度水平的值 对于载波感测电平,当使用第二无线通信方案时。 第二处理单元被配置为使用载波感测电平来执行载波侦听。
    • 10. 发明申请
    • RADIO COMMUNICATION DEVICE, CONTROL METHOD FOR RADIO COMMUNICATION DEVICE AND PROGRAM STORAGE MEDIUM
    • 无线电通信设备,无线电通信设备的控制方法和程序存储介质
    • US20110122853A1
    • 2011-05-26
    • US12438842
    • 2008-12-18
    • Tatsuma HiranoToshihisa NabetaniRyoko MatsuoTomoko AdachiKiyoshi Toshimitsu
    • Tatsuma HiranoToshihisa NabetaniRyoko MatsuoTomoko AdachiKiyoshi Toshimitsu
    • H04W88/02
    • H04B7/0408H04B7/0617H04B7/0695H04B7/086H04W16/28H04W74/08
    • A radio communication device C1 of the present invention includes a conversion unit 20 configured to convert a first electric wave received by an antenna 10 into a first frame, a determination unit 21 configured to determine whether or not the destination of the first frame is the other radio communication device, an estimation unit 22 configured to estimate the first direction from which the first electric wave has arrived, if it is determined that the destination of the first frame is the other radio communication device, a first prevent unit 30 configured to prevent the transmission of electric wave in the first direction, a prediction unit 40 configured to predict the second direction from which a second electric wave arrives if a second frame is transmitted from a second radio communication device of destination of the first frame to a first radio communication device of source of the first frame over the second electric wave, and a second prevent unit 30 configured to prevent the transmission of electric wave in the second direction.
    • 本发明的无线通信装置C1包括:转换单元20,被配置为将由天线10接收的第一电波转换成第一帧;确定单元21,被配置为确定第一帧的目的地是否是另一个 无线电通信装置,如果确定第一帧的目的地是另一无线电通信装置,则被配置为估计第一电波已经到达的第一方向的估计单元22,被配置为防止第一电波 在第一方向上传输电波的预测单元40,被配置为如果第二帧从第一帧的目的地的第二无线电通信设备发送到第一无线电通信设备,则预测第二电波到达的第二方向的预测单元40 在第二电波上的第一帧的源极,以及被配置为防止第二电波的第二防止单元30 在第二个方向传输电波。