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1. 发明申请

US20130230040A1 WIRELESS COMMUNICATION APPARATUS AND METHOD 有权
标题翻译：无线通信装置和方法
公开(公告)号：US20130230040A1
公开(公告)日：2013-09-05
申请号：US13724618
申请日：2012-12-21
申请人： Tomoko ADACHI , Tomoya TANDAI , Takeshi TOMIZAWA , Ryoko MATSUO
发明人： Tomoko ADACHI , Tomoya TANDAI , Takeshi TOMIZAWA , Ryoko MATSUO
IPC分类号： H04W52/02
CPC分类号： H04W52/0209 , Y02D70/142 , Y02D70/166
摘要： According to one embodiment, a wireless communication apparatus includes a first processor, a second processor and a controller. The first processor generates one or more first frames and one or more second frames. The second processor transmits the first frames and the second frames, and receives a first acknowledgement and a second acknowledgement. The controller retains a first interval relating to a time interval between the first transmission request and the second transmission request and a second interval relating to a time interval between a first and a second time points, and controls transmission of frames to be transmitted based on the first and the second intervals.
摘要翻译：根据一个实施例，无线通信装置包括第一处理器，第二处理器和控制器。第一处理器产生一个或多个第一帧和一个或多个第二帧。第二处理器发送第一帧和第二帧，并且接收第一确认和第二确认。控制器保持与第一传输请求和第二传输请求之间的时间间隔有关的第一间隔和与第一和第二时间点之间的时间间隔相关的第二间隔，并且基于第一和第二间隔。

2. 发明申请

US20130223250A1 WIRELESS COMMUNICATION APPARATUS AND INTERFERENCE DETECTION METHOD 有权
公开(公告)号：US20130223250A1
公开(公告)日：2013-08-29
申请号：US13727406
申请日：2012-12-26
申请人： Ryoko MATSUO , Tomoya TANDAI , Takeshi TOMIZAWA , Tomoko ADACHI
发明人： Ryoko MATSUO , Tomoya TANDAI , Takeshi TOMIZAWA , Tomoko ADACHI
IPC分类号： H04W24/02
CPC分类号： H04W74/0816 , G08B5/36 , H04B17/318 , H04B17/345 , H04J11/0023 , H04W24/02 , H04W24/08 , H04W74/0808 , H04W84/12
摘要： According to one embodiment, a wireless communication apparatus is provided with first and second determination units. The first unit determines based on a first carrier sense threshold whether busy state or not and specifies a first time when busy state is determined with the first threshold, and determines based on a second carrier sense threshold smaller than the first threshold whether busy state or not and specifies a second time when busy state is determined. The second unit determines, if at least busy state is determined based on the second threshold and the second time precedes a reference time equal to or earlier than the first time, to perform processing for avoiding interference.

3. 发明申请

US20130155955A1 WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD 有权
标题翻译：无线通信设备和无线通信方法
公开(公告)号：US20130155955A1
公开(公告)日：2013-06-20
申请号：US13717361
申请日：2012-12-17
申请人： Toshihisa NABETANI , Ryoko MATSUO , Tomoko ADACHI , Tomoya TANDAI
发明人： Toshihisa NABETANI , Ryoko MATSUO , Tomoko ADACHI , Tomoya TANDAI
IPC分类号： H04W74/08
CPC分类号： H04W74/0816 , H04L1/1887 , H04W28/18 , H04W74/0833
摘要： There is provided a wireless communication apparatus performing access control which starts transmission after a backoff time passes since an available state of a channel is detected through carrier sense, the backoff time being set based on a random value selected within a contention window width, including: a remaining time calculating unit calculating a remaining time untill a request delay time time-outs after data is generated and a setting unit setting the contention window width according to the remaining time calculated by the remaining time calculating unit.
摘要翻译：提供了一种执行访问控制的无线通信装置，其在通过载波侦听检测到信道的可用状态之后，在退避时间过去之后开始传输，基于在竞争窗口宽度内选择的随机值来设置退避时间，包括：剩余时间计算单元计算直到生成数据之后超时的请求延迟时间的剩余时间，以及设置单元，根据由剩余时间计算单元计算的剩余时间设置争用窗口宽度。

4. 发明申请

US20120077534A1 WIRELESS COMMUNICATION METHOD AND WIRELESS DEVICE 审中-公开
标题翻译：无线通信方法和无线设备
公开(公告)号：US20120077534A1
公开(公告)日：2012-03-29
申请号：US13245445
申请日：2011-09-26
申请人： Ryoko MATSUO , Tomoya TANDAI , Takeshi TOMIZAWA
发明人： Ryoko MATSUO , Tomoya TANDAI , Takeshi TOMIZAWA
IPC分类号： H04W72/04
CPC分类号： H04W76/23
摘要： According to one embodiment, there is provided a wireless communication method, including: a start step of performing a connection process with a second wireless device; a communication step of performing communication for a predetermined term in a first mode; a determination step of determining, in accordance with a communication status, whether to change a communication mode from the first mode to a second mode in which communication at a higher speed than the first mode is performed, change an operating frequency channel for communication to another frequency channel than the first frequency channel, or continue the first mode; and a transmission step of transmitting a mode change signal when the determination is made to change the communication mode, and transmitting a channel change signal when the determination is made to change the operating frequency channel.
摘要翻译：根据一个实施例，提供了一种无线通信方法，包括：开始步骤，与第二无线设备进行连接处理; 在第一模式中执行预定项目的通信的通信步骤; 确定步骤，根据通信状态，确定是否将通信模式从第一模式改变为以比第一模式更高的速度进行通信的第二模式，将用于通信的操作频率信道改变为另一个频道比第一频道，或继续第一模式; 以及当进行确定改变通信模式时发送模式改变信号的发送步骤，以及当做出改变操作频率信道时发送信道改变信号。

5. 发明申请

US20120100816A1 COMMUNICATION APPARATUS 有权
标题翻译：通讯设备
公开(公告)号：US20120100816A1
公开(公告)日：2012-04-26
申请号：US13339893
申请日：2011-12-29
申请人： Tomoya TANDAI , Kentaro TANIGUCHI , Ryoko MATSUO , Takeshi TOMIZAWA
发明人： Tomoya TANDAI , Kentaro TANIGUCHI , Ryoko MATSUO , Takeshi TOMIZAWA
IPC分类号： H04B1/06 , H04B7/00
CPC分类号： H03G3/3078 , H04B17/327 , H04W52/52
摘要： According to one exemplary embodiment, a communication apparatus includes: a measurement module which measures reception power of each field; a determination module which determines whether the reception power is within a range; a calculator which calculates a gain using the reception power if the reception power is not within the range; an adjuster which adjusts a field according to one of an initial gain and the calculated gain; a selector which selects a field length according to the number of field adjustments by the adjuster; and a transmitter which transmits information regarding the field length. When the number of the adjustments is lower than a first threshold value, the selector selects a first value, and when the number of the adjustments is equal to or higher than the first threshold value, the selector selects a second value that is higher than the first value, as the field length.
摘要翻译：根据一个示例性实施例，通信装置包括：测量每个场的接收功率的测量模块; 确定模块，其确定所述接收功率是否在范围内; 如果接收功率不在该范围内，则使用接收功率来计算增益的计算器; 调节器，其根据初始增益和所计算的增益之一来调整场; 选择器，其根据调节器的场调整次数选择场长; 以及发送关于场长的信息的发送器。当调整次数低于第一阈值时，选择器选择第一值，并且当调整次数等于或高于第一阈值时，选择器选择高于第一阈值的第二值第一个值，作为字段长度。

6. 发明申请

US20120220228A1 WIRELESS COMMUNICATION APPARATUS 有权
标题翻译：无线通信设备
公开(公告)号：US20120220228A1
公开(公告)日：2012-08-30
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
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。

7. 发明申请

US20100226349A1 WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD 失效
标题翻译：无线通信设备和无线通信方法
公开(公告)号：US20100226349A1
公开(公告)日：2010-09-09
申请号：US12561447
申请日：2009-09-17
申请人： Ryoko MATSUO , Tomoya TANDAI
发明人： Ryoko MATSUO , Tomoya TANDAI
IPC分类号： H04W88/02 , H04L12/413
CPC分类号： H04L1/188 , H04L1/0002 , H04L1/1887
摘要： A wireless communication apparatus has a transmission unit that transmits a transmit signal in a condition where either acknowledgement or negative acknowledgement is set therein, a reception unit that receives a response signal in response to the transmission signal, a counter that counts the number of times the reception unit has not received the negative acknowledgment signal in response to the transmission signal in which the negative acknowledgement is set, and a control unit that causes the transmission unit to set the negative acknowledgement if a count value of the counter is less than a predetermined value and, if the count value is equal to or larger than the predetermined value, causes the transmission unit to set the acknowledgement.
摘要翻译：无线通信装置具有发送单元，其在其中设置了确认或否定确认的条件下发送发送信号，响应于发送信号接收响应信号的接收单元，计数该次数的计数器接收单元响应于设置了否定确认的发送信号而没有接收到否定确认信号;以及控制单元，如果计数器的计数值小于预定值，则使得发送单元设置否定确认并且如果计数值等于或大于预定值，则使发送单元设定确认。

8. 发明申请

US20110064065A1 WIRELESS COMMUNICATION APPARATUS AND METHOD 有权
标题翻译：无线通信装置和方法
公开(公告)号：US20110064065A1
公开(公告)日：2011-03-17
申请号：US12950487
申请日：2010-11-19
申请人： Tetsu NAKAJIMA , Tomoko ADACHI , Masahiro TAKAGI , Tomoya TANDAI , Yoriko UTSUNOMIYA , Toshihisa NABETANI
发明人： Tetsu NAKAJIMA , Tomoko ADACHI , Masahiro TAKAGI , Tomoya TANDAI , Yoriko UTSUNOMIYA , Toshihisa NABETANI
IPC分类号： H04W40/00
CPC分类号： H04L1/1614 , H04L1/1678 , H04L1/1854 , H04W28/22 , H04W74/0816 , H04W84/12
摘要： A wireless communication apparatus performs bi-directional communication with an initiator. The apparatus is allocated an allocation period for data transmission from the initiator. The apparatus includes means for generating a first physical frame including an acknowledgement frame with respect to data received from the initiator, and generating a second physical frame in which a plurality of transmission data frames addressed to the initiator are aggregated. The apparatus also includes means for transmitting the first physical frame at a first transmission rate and the second physical frame at a second transmission rate, during the allocation period.
摘要翻译：无线通信装置与发起者进行双向通信。该设备被分配用于从发起者进行数据传输的分配周期。该装置包括用于生成包括关于从发起者接收的数据的确认帧的第一物理帧，以及生成其中聚合了发往发起者的多个传输数据帧的第二物理帧的装置。该装置还包括在分配周期期间以第一传输速率发射第一物理帧和第二传输速率的第二物理帧的装置。

9. 发明申请

US20100074277A1 COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION CONTROL PROGRAM 有权
标题翻译：通信设备，通信系统，通信方法和通信控制程序
公开(公告)号：US20100074277A1
公开(公告)日：2010-03-25
申请号：US12626834
申请日：2009-11-27
申请人： Yasuyuki NISHIBAYASHI , Masahiro TAKAGI , Tomoko ADACHI , Tetsu NAKAJIMA , Yoriko UTSUNOMIYA , Tomoya TANDAI
发明人： Yasuyuki NISHIBAYASHI , Masahiro TAKAGI , Tomoko ADACHI , Tetsu NAKAJIMA , Yoriko UTSUNOMIYA , Tomoya TANDAI
IPC分类号： H04L29/02
CPC分类号： H04W99/00 , H04L2212/00 , H04W28/06
摘要： A generation device generates a frame to be transmitted to a destination communication apparatus. The frame includes a first separation field, a first MAC protocol data unit (MPDU) following the first separation field, a second separation field following the first MPDU, a third separation field following the second separation field, and a third MPDU following the third separation field. The second separation field includes length information set to a value of zero to indicate no second MPDU directly follows the second separation field. The first MPDU includes a first MAC header, a first data field, and a first frame check sequence (FCS). The first FCS is for detecting an error occurred in at least the first data field. The third MPDU includes a third MAC header, a third data field, and a third FCS. The third FCS is for detecting an error occurred in at least the third data field.
摘要翻译：生成装置生成要发送到目的地通信装置的帧。帧包括第一分离字段，第一分离字段之后的第一MAC协议数据单元（MPDU），第一MPDU之后的第二分离字段，跟随第二分离字段的第三分离字段和第三分离之后的第三MPDU 领域。第二分离字段包括设置为零值的长度信息，以指示没有第二MPDU直接跟随第二分离字段。第一MPDU包括第一MAC头，第一数据字段和第一帧校验序列（FCS）。第一FCS用于检测在至少第一数据字段中发生的错误。第三MPDU包括第三MAC头，第三数据字段和第三FCS。第三FCS用于检测至少在第三数据字段中发生的错误。

10. 发明申请

US20120129463A1 WIRELESS COMMUNICATION APPARATUS AND METHOD 有权
标题翻译：无线通信装置和方法
公开(公告)号：US20120129463A1
公开(公告)日：2012-05-24
申请号：US13223928
申请日：2011-09-01
申请人： Tomoya TANDAI , Koji Akita , Takeshi Tomizawa
发明人： Tomoya TANDAI , Koji Akita , Takeshi Tomizawa
IPC分类号： H04B17/00
CPC分类号： H04W56/00 , H04B17/00
摘要： According to one embodiment, a wireless communication apparatus includes following units. The first timer measures first time intervals. The second timer measures second time intervals. The time interval selection unit selects a second time interval among second time intervals included in each first time interval. The control unit controls the transmitting unit and the receiving unit to operate, during the selected second time interval, in a first operational state in which a transmission of a connection request signal and a wait for reception of a response signal are repeatedly performed, and to operate, during each of the second time intervals other than the selected second time interval, in a second operational state in which a wait for reception of a connection request signal transmitted by another apparatus is performed for a third time interval shorter than each of the second time intervals.
摘要翻译：根据一个实施例，无线通信装置包括以下单元。第一个计时器测量第一时间间隔。第二个定时器测量第二个时间间隔。时间间隔选择单元选择在每个第一时间间隔中包括的第二时间间隔中的第二时间间隔。控制单元控制发送单元和接收单元在所选择的第二时间间隔期间在重复执行连接请求信号的发送和等待接收响应信号的第一操作状态下操作，并且在所选择的第二时间间隔之外的每个第二时间间隔期间，在第二操作状态下操作其中等待接收另一设备发送的连接请求信号的时间比第二时间间隔短的第三时间间隔时间间隔。

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