公开(公告)号：US08094615B2

公开(公告)日：2012-01-10

申请号：US11879908

申请日：2007-07-19

申请人： Tomoya Tandai ,  Tomoya Horiguchi ,  Takeshi Tomizawa

发明人： Tomoya Tandai ,  Tomoya Horiguchi ,  Takeshi Tomizawa

IPC分类号： H04W4/00

CPC分类号： H04W74/0808 ,  H04W16/14 ,  H04W74/0866 ,  H04W84/18 ,  H04W88/04

摘要： A radio communication apparatus includes a first detection unit configured to detect a first signal in a first carrier sense period contained in a pre assigned reception slot, a relaying unit configured to relay the detected first signal, a second detection unit configured to detect a second signal in a second carrier sense period contained in a pre assigned transmission slot, and a stopping unit configured to stop transmission in the transmission slot when the second detection unit detects the second signal.

摘要翻译： 一种无线电通信装置，包括：第一检测单元，被配置为检测包含在预先分配的接收时隙中的第一载波侦听周期中的第一信号;中继单元，被配置为中继检测到的第一信号;第二检测单元，被配置为检测第二信号 在包含在预分配的传输时隙中的第二载波侦听周期中，以及停止单元，被配置为当所述第二检测单元检测到所述第二信号时停止在所述传输时隙中的传输。

公开(公告)号：US07990995B2

公开(公告)日：2011-08-02

申请号：US11137588

申请日：2005-05-26

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： H04J3/16

CPC分类号： H04L45/00 ,  H04W72/1242 ,  H04W72/1247

摘要： A wireless communication apparatus includes a main queue to store MAC frames, a plurality of subqueues related to the main queue and used to control retransmission of the MAC frame, each of the subqueues having different priority for transmission of the MAC frame, respectively, an extracting device configured to extract the MAC frame from the main queue on the basis of a destination and the priority, and distribute the extracted MAC frame to one of the plurality of subqueues for each priority, and an aggregating device configured to extract MAC frames from the plurality of subqueues to form a MAC super frame.

摘要翻译： 无线通信装置包括存储MAC帧的主队列，与主队列相关的多个子队列，用于控制MAC帧的重发，每个子队列分别具有用于MAC帧传输的优先级，提取 被配置为基于目的地和所述优先级从所述主队列提取所述MAC帧，并且将所提取的MAC帧分配给所述多个子队列中的每个优先级的集合装置，以及被配置为从所述多个队列中提取MAC帧的聚合装置 的子队列以形成MAC超帧。

公开(公告)号：US07738441B2

公开(公告)日：2010-06-15

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： H04J3/16

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：US20080287066A1

公开(公告)日：2008-11-20

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

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。

公开(公告)号：US20080181251A1

公开(公告)日：2008-07-31

申请号：US12054945

申请日：2008-03-25

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： H04L12/413

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：US20060192708A1

公开(公告)日：2006-08-31

申请号：US11345488

申请日：2006-02-02

申请人： Tomoya Tandai ,  Tomoko Adachi ,  Yoriko Utsunomiya ,  Daisuke Takeda ,  Kazumi Sato ,  Koji Ogura

发明人： Tomoya Tandai ,  Tomoko Adachi ,  Yoriko Utsunomiya ,  Daisuke Takeda ,  Kazumi Sato ,  Koji Ogura

IPC分类号： G01S13/86

CPC分类号： G01S7/021

摘要： Radio communication system includes terminal including unit detecting radar wave transmitted through second-frequency channel, first-and-second-frequency channels through which radar wave fails to be transmitted being simultaneously utilized or one of first-and-second-frequency channels being utilized, unit generating radar-detection information including information indicating detection time when detecting unit detects radar wave, and information indicating frequency channel through which radar wave is transmitted, and unit transmitting radar-detection information, and base station including unit receiving radar-detection information, unit generating radar-occurrence information based on received-radar-detection information, radar-occurrence information including information indicating occurrence time when radar wave occurs, information indicating period of occurrence of radar wave, and information indicating frequency channel through which radar wave is transmitted, and unit transmitting radar-occurrence information, terminal further including unit receiving radar-occurrence information, and unit communicating with other terminals through second-frequency channel without using base station when radar wave fails to occur, based on received-radar-occurrence information.

摘要翻译： 无线电通信系统包括：终端，包括通过第二频道发送的雷达波的单元检测，同时利用雷达波不能发送的第一和第二频率信道，或利用第一和第二频道中的一个， 单元产生雷达检测信息，包括指示检测单元检测雷达波时的检测时间的信息，以及指示雷达波发射的频道的信息，以及发送雷达检测信息的单元，以及包括接收雷达检测信息的单元的基站 基于接收雷达检测信息生成雷达发生信息，包括表示发生雷达波的发生时间的信息的雷达发生信息，表示雷达波的发生期间的信息以及表示雷达波发送的频道的信息，以及 单位传输 基于接收到的雷达发生信息，终端还包括接收雷达发生信息的单元，以及当雷达波不能发生时不使用基站通过第二频道与其他终端通信的单元。

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。