公开(公告)号：US20060034174A1

公开(公告)日：2006-02-16

申请号：US11200103

申请日：2005-08-10

申请人： Yasuyuki Nishibayashi ,  Masahiro Takagi ,  Tomoko Adachi ,  Tomoya Tandai ,  Tetsu Nakajima ,  Yoriko Utsunomiya

发明人： Yasuyuki Nishibayashi ,  Masahiro Takagi ,  Tomoko Adachi ,  Tomoya Tandai ,  Tetsu Nakajima ,  Yoriko Utsunomiya

IPC分类号： H04L12/26

CPC分类号： H04L1/1621 ,  H04L1/1614 ,  H04L1/1642 ,  H04L1/1829

摘要： A communication apparatus includes a receiving device configured to receive one physical frame in which a plurality of MAC frames are aggregated. This physical frame includes one acknowledgement request frame for the plurality of MAC frames. The apparatus includes an acknowledgement frame forming device configured to form an acknowledgement frame representing reception statuses of the plurality of MAC frames in response to the acknowledgement request frame. The apparatus also includes a transmitting device configured to transmit the acknowledgement frame. This acknowledgement frame includes a compressed acknowledgement frame representing an acknowledgement bitmap having a size equal to a maximum number of MSDUs (MAC Service Data Units) when one MPDU (MAC Protocol Data Unit) corresponds to one MSDU.

摘要翻译： 一种通信装置，包括：接收装置，被配置为接收一个物理帧，其中多个MAC帧被聚合。 该物理帧包括用于多个MAC帧的一个确认请求帧。 该装置包括：确认帧形成装置，被配置为响应于确认请求帧，形成表示多个MAC帧的接收状态的确认帧。 该装置还包括被配置为发送确认帧的发送装置。 当一个MPDU（MAC协议数据单元）对应于一个MSDU时，该确认帧包括表示具有等于MSDU最大数量（MAC服务数据单元）的大小的确认位图的压缩确认帧。

公开(公告)号：US20060013184A1

公开(公告)日：2006-01-19

申请号：US11159341

申请日：2005-06-23

申请人： Yoriko Utsunomiya ,  Tomoko Adachi ,  Masahiro Takagi ,  Tetsu Nakajima ,  Tomoya Tandai ,  Yasuyuki Nishibayashi

发明人： Yoriko Utsunomiya ,  Tomoko Adachi ,  Masahiro Takagi ,  Tetsu Nakajima ,  Tomoya Tandai ,  Yasuyuki Nishibayashi

IPC分类号： H04J1/00

CPC分类号： H04W76/23 ,  H04W84/18 ,  H04W88/06

摘要： A wireless communication system having wireless terminal stations to perform direct communication without passing through a wireless base station. This system includes a wireless communication device which performs either a first wireless communication using a first channel having a first frequency band or the second wireless communication using a second channel having a second frequency band with a bandwidth greater than that of the first frequency band. This system also includes a generation device which generates a switching control frame to control switching between a communication period by the first wireless communication and a communication period by the second wireless communication, and a communication control device which controls the wireless communication device so as to transmit the switching control frame. A wireless terminal station is selected as a temporal central control station having a switching control right to control switching between the first and second wireless communications.

摘要翻译： 一种具有无线终端站的无线通信系统，用于在不经过无线基站的情况下进行直接通信。 该系统包括无线通信设备，其使用具有第一频带的第一信道进行第一无线通信，或者使用具有带宽大于第一频带宽度的第二频带的第二信道进行第二无线通信。 该系统还包括：生成装置，其生成切换控制帧，以控制通过第一无线通信的通信期间和通过第二无线通信的通信期间的切换;以及通信控制装置，其对无线通信装置进行发送， 开关控制框架。 选择无线终端站作为具有切换控制权的时间中央控制站，以控制第一和第二无线通信之间的切换。

公开(公告)号：US20050282551A1

公开(公告)日：2005-12-22

申请号：US11153437

申请日：2005-06-16

申请人： Tomoya Tandai ,  Tomoko Adachi ,  Tetsu Nakajima ,  Yoriko Utsunomiya ,  Yasuyuki Nishibayashi ,  Masahiro Takagi ,  Daisuke Takeda ,  Kazumi Sato

发明人： Tomoya Tandai ,  Tomoko Adachi ,  Tetsu Nakajima ,  Yoriko Utsunomiya ,  Yasuyuki Nishibayashi ,  Masahiro Takagi ,  Daisuke Takeda ,  Kazumi Sato

IPC分类号： H04L12/28 ,  H04W4/06 ,  H04W4/10 ,  H04W76/02 ,  H04Q7/20

CPC分类号： H04W4/10 ,  H04W72/005 ,  H04W76/10 ,  H04W76/45

摘要： In a wireless communication system having a wireless base station, wireless terminal stations belonging to a first group which performs wireless communication while sharing different frequency channels, and wireless terminal stations belonging to a second group which performs wireless communication by using one frequency channel, a first communication period and a second communication period is alternately repeated. In this system, a wireless terminal station belonging to the first or the second group communicates with the wireless base station by using a first frequency channel in the first communication period. Direct communication between two wireless terminal stations belonging to the first group by using a second frequency channel without through the wireless base station is performed in the first communication period. Then, a wireless terminal station belonging to the first group communicates with the wireless base station by using both the first and the second frequency channels.

摘要翻译： 在具有无线基站的无线通信系统中，属于第一组的无线终端站，在共享不同的频率信道的同时执行无线通信，以及属于通过使用一个频率信道进行无线通信的第二组的无线终端站， 通信周期和第二通信周期交替重复。 在该系统中，属于第一组或第二组的无线终端站在第一通信周期中通过使用第一频率信道与无线基站进行通信。 在第一通信周期中执行属于第一组的两个无线终端站之间通过使用第二频率信道而不通过无线基站的直接通信。 然后，属于第一组的无线终端站通过使用第一和第二频率信道与无线基站进行通信。

公开(公告)号：US20050265298A1

公开(公告)日：2005-12-01

申请号：US11137661

申请日：2005-05-26

申请人： Tomoko Adachi ,  Masahiro Takagi ,  Tomoya Tandai ,  Tetsu Nakajima ,  Yoriko Utsunomiya ,  Yasuyuki Nishibayashi ,  Daisuke Takeda

发明人： Tomoko Adachi ,  Masahiro Takagi ,  Tomoya Tandai ,  Tetsu Nakajima ,  Yoriko Utsunomiya ,  Yasuyuki Nishibayashi ,  Daisuke Takeda

IPC分类号： H04L1/16 ,  H04B7/212

CPC分类号： H04L1/06 ,  H04B7/0413 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/1861 ,  H04W72/1289

摘要： A wireless communication system includes first and second wireless terminals capable of performing transmission by at least one of a first transmission scheme and a second transmission scheme. The first wireless terminal performs transmission of a first frame to the second wireless terminal by using the second transmission scheme. The second wireless terminal communicates with the first wireless terminal to notify the first wireless terminal of information associated with a status of the reception of the first frame transmitted from the first wireless terminal by using the first transmission scheme.

摘要翻译： 无线通信系统包括能够通过第一传输方案和第二传输方案中的至少一个来执行传输的第一和第二无线终端。 第一无线终端通过使用第二传输方案来执行第一帧到第二无线终端的传输。 第二无线终端与第一无线终端通信，通过使用第一传输方案，向第一无线终端通知与从第一无线终端发送的第一帧的接收状态相关联的信息。

公开(公告)号：US08958744B2

公开(公告)日：2015-02-17

申请号：US13223779

申请日：2011-09-01

申请人： Tomoya Tandai ,  Tomoko Adachi ,  Takeshi Tomizawa

发明人： Tomoya Tandai ,  Tomoko Adachi ,  Takeshi Tomizawa

IPC分类号： H04B5/00 ,  H04W76/02 ,  H04W72/02 ,  H04W72/08

CPC分类号： H04W76/02 ,  H04W72/02 ,  H04W72/082 ,  H04W76/10

摘要： 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.

摘要翻译： 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。

公开(公告)号：US08897282B2

公开(公告)日：2014-11-25

申请号：US13223587

申请日：2011-09-01

申请人： Tomoko Adachi ,  Koichiro Ban ,  Tomoya Tandai ,  Hideo Kasami

发明人： Tomoko Adachi ,  Koichiro Ban ,  Tomoya Tandai ,  Hideo Kasami

IPC分类号： H04W84/12 ,  H04W72/08 ,  H04W16/14 ,  H04W88/06

CPC分类号： H04W52/34 ,  H04W16/14 ,  H04W52/54 ,  H04W72/048 ,  H04W72/082 ,  H04W74/0808 ,  H04W84/12 ,  H04W88/06

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20120218938A1

公开(公告)日：2012-08-30

申请号：US13223618

申请日：2011-09-01

申请人： Takeshi Tomizawa ,  Tomoya Tandai ,  Tomoko Adachi

发明人： Takeshi Tomizawa ,  Tomoya Tandai ,  Tomoko Adachi

IPC分类号： H04W92/00

CPC分类号： H04W74/0833 ,  Y02D70/00 ,  Y02D70/142 ,  Y02D70/166

摘要： According to one embodiment, a wireless communication apparatus includes a receiving unit, a transmitting unit and a control unit. The receiving unit is configured to receive a first connection request frame indicating a connection request from another apparatus. The transmitting unit is configured to transmit a connection acceptance frame indicating a response to the first connection request frame. The control unit is configured to control the transmitting unit to retransmit the connection acceptance frame until a first acknowledgement frame addressed to the apparatus as a response to the connection acceptance frame is received from the another apparatus, and control the transmitting unit to stop from transmitting the connection acceptance frame if a second acknowledgement frame addressed to the another apparatus as a destination is received or if a second connection request frame addressed to the another apparatus is received.

摘要翻译： 根据一个实施例，无线通信装置包括接收单元，发送单元和控制单元。 接收单元被配置为从另一设备接收指示连接请求的第一连接请求帧。 发送单元被配置为发送指示对第一连接请求帧的响应的连接接受帧。 所述控制单元被配置为控制所述发送单元重发所述连接接受帧，直到从所述另一装置接收到作为对所述连接接受帧的响应而寻址到所述装置的第一确认帧，并且控制所述发送单元停止发送所述连接接受帧 如果接收到作为目的地的另一设备寻址的第二确认帧或者是否接收到寻址到另一设备的第二连接请求帧，则连接接受帧。

公开(公告)号：US20120201177A1

公开(公告)日：2012-08-09

申请号：US13223688

申请日：2011-09-01

申请人： Tomoko Adachi ,  Takeshi Tomizawa ,  Tomoya Tandai

发明人： Tomoko Adachi ,  Takeshi Tomizawa ,  Tomoya Tandai

IPC分类号： H04W92/00

CPC分类号： H04L45/74 ,  H04B1/44 ,  H04L1/0083 ,  H04L1/1621 ,  H04W28/04 ,  H04W28/06 ,  H04W52/0216 ,  H04W88/02 ,  Y02D70/00 ,  Y02D70/142

摘要： 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.

摘要翻译： 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。

公开(公告)号：US20120129471A1

公开(公告)日：2012-05-24

申请号：US13240399

申请日：2011-09-22

申请人： Koji AKITA ,  Tomoya Tandai ,  Takahiro Kobayashi ,  Takeshi Tomizawa

发明人： Koji AKITA ,  Tomoya Tandai ,  Takahiro Kobayashi ,  Takeshi Tomizawa

IPC分类号： H04B1/44

CPC分类号： H04B1/44

摘要： According to one embodiment, a wireless communication apparatus includes a wireless unit and a control unit. The wireless unit is configured to set, for each period, a transmit state including a first period for transmitting a connection request to establish connection or a receive state including a second period for receiving a connection request and to transmit or receive a signal, both lengths of the first period and the second period being equal. The control unit is configured to control the wireless unit to operate in one of a transmit mode, a receive mode and a transceive mode. The control unit causes the wireless unit to operate in the receive mode or the transceive mode before a trigger signal is externally input, and to operate in the transmit mode if the trigger signal is input.

摘要翻译： 根据一个实施例，无线通信装置包括无线单元和控制单元。 无线单元被配置为针对每个周期设置包括用于发送建立连接的连接请求的第一周期或包括用于接收连接请求的第二周期的接收状态并且发送或接收信号的发送状态，两个长度 第一期和第二期相同。 控制单元被配置为控制无线单元在发送模式，接收模式和收发模式之一中操作。 控制单元使得无线单元在触发信号被外部输入之前以接收模式或收发模式操作，并且如果输入了触发信号，则在发送模式下操作。

公开(公告)号：US08064833B2

公开(公告)日：2011-11-22

申请号：US12046777

申请日：2008-03-12

申请人： Tomoya Tandai ,  Tazuko Tomioka

发明人： Tomoya Tandai ,  Tazuko Tomioka

IPC分类号： H04B1/00 ,  H04B7/00

CPC分类号： H04W16/14 ,  H04L5/0007 ,  H04L5/003 ,  H04L27/2613 ,  H04L27/2626 ,  H04L27/2655 ,  H04W74/08 ,  H04W88/06

摘要： A radio communication apparatus which uses a first radio communication system that makes a radio communication by sharing frequencies with a second radio communication system, the apparatus includes a detection unit configured to detect an available frequency channel which fails to be used by the second radio communication system in a frequency band used by the first radio communication system, and a transmission unit configured to transmit, using the available frequency channel, a frame which includes a signal sequence which is used to identify whether or not the frame is transmitted by a radio communication terminal belonging to the first radio communication system by detecting the available frequency channel, the signal sequence being predetermined for the first radio communication system.

摘要翻译： 一种无线电通信装置，其使用通过与第二无线电通信系统共享频率进行无线电通信的第一无线电通信系统，该装置包括：检测单元，被配置为检测第二无线电通信系统不能使用的可用频率信道 在第一无线通信系统使用的频带中，以及发送单元，被配置为使用可用频率信道发送包括用于识别帧是否由无线电通信终端发送的信号序列的帧 属于第一无线电通信系统，通过检测可用的频道，该信号序列预定为第一无线电通信系统。