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1.发明申请公开(公告)号：US20160007380A1
公开(公告)日：2016-01-07
申请号：US14854422
申请日：2015-09-15
申请人： NEC Communication Systems, Ltd. , A School Corporation Kansai University , Advanced Telecommunications Research Institute International
发明人： Tetsuya ITO , Yukihiro HARA , Masahito IWAI , Hiroyuki YOMO , Takatoshi KIMURA , Akio HASEGAWA
CPC分类号： H04W74/0816 , H04W72/0446
摘要： A transmitter generates a header frame having a frame length indicating the beginning of data to be transmitted, data frames having frame lengths representing the data to be transmitted, and an end frame having a frame length indicating the end of the data to be transmitted. Then, for all of the header frame, data frames and end frame, the transmitter executes transmitting the kth frame when the wireless communication space is available, thereby transmitting the header frame, data frames and end frame, one after another, in accordance with the CSMA/CA scheme.
摘要翻译： 发射机产生具有指示要发送的数据的开始的帧长的报头帧，具有表示要发送的数据的帧长的数据帧，以及指示要发送的数据的结束的帧长度的结束帧。 然后，对于所有标题帧，数据帧和结束帧，当无线通信空间可用时，发射机执行发射第k帧，从而依照该帧的帧头，数据帧和结束帧依次发送 CSMA / CA方案。
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公开(公告)号：US20180270862A1
公开(公告)日：2018-09-20
申请号：US15968887
申请日：2018-05-02
申请人： NEC Communication Systems, Ltd. , A School Corporation Kansai University , Advanced Telecommunications Research Institute International
发明人： Tetsuya ITO , Yukihiro HARA , Masahito IWAI , Hiroyuki YOMO , Takatoshi KIMURA , Akio HASEGAWA
CPC分类号： H04W74/0816 , H04W72/0446
摘要： A transmitter generates a header frame having a frame length indicating the beginning of data to be transmitted, data frames having frame lengths representing the data to be transmitted, and an end frame having a frame length indicating the end of the data to be transmitted. Then, for all of the header frame, data frames and end frame, the transmitter executes transmitting the kth frame when the wireless communication space is available, thereby transmitting the header frame, data frames and end frame, one after another, in accordance with the CSMA/CA scheme.
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3.发明申请TERMINAL DEVICE, WIRELESS DEVICE WIRELESSLY COMMUNICATING WITH THE SAME, AND WIRELESS COMMUNICATION SYSTEM INCLUDING THE TERMINAL DEVICE AND WIRELESS DEVICE 审中-公开终端设备，与此无线通信的无线设备，以及包括终端设备和无线设备的无线通信系统公开(公告)号：US20160044596A1
公开(公告)日：2016-02-11
申请号：US14832092
申请日：2015-08-21
发明人： Masahito IWAI , Yukihiro HARA , Tetsuya ITO , Takatoshi KIMURA , Akio HASEGAWA
CPC分类号： H04W52/0229 , H04L5/0048 , H04W40/005 , H04W40/246 , H04W84/12 , Y02D70/00 , Y02D70/142 , Y02D70/144 , Y02D70/22
摘要： When a terminal device initiates a wireless communication when it has not established a wireless link between itself and another wireless device, it transmits, as a management frames in active scanning, a plurality of activation probe requests having frame lengths representing an identifier of a wireless base station to which connection is being made and which is intended to transition from sleep mode to operating mode. Then, the wireless base station receives the plurality of activation probe requests transmitted by the terminal device as management frames in active scanning in a wireless LAN, and, when a plurality of dummy network identifiers detected based on the received plurality of activation probe requests represent the identifier of its own, transitions from sleep mode to operating mode.
摘要翻译： 当终端设备在其自身与另一无线设备之间尚未建立无线链路时发起无线通信时，作为主动扫描中的管理帧发送具有表示无线基站的标识符的帧长度的多个激活探测请求 正在进行连接的工作站以及旨在从睡眠模式转换到操作模式的站点。 然后，无线基站在无线LAN中接收作为主动扫描的管理帧的终端装置发送的多个激活探测请求，并且当基于接收的多个激活探测请求检测到的多个虚拟网络标识符表示 自己的标识符，从睡眠模式转换到运行模式。
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4.发明申请公开(公告)号：US20200342758A1
公开(公告)日：2020-10-29
申请号：US16955919
申请日：2018-12-19
发明人： Yuki BABA , Akira MATSUMOTO , Tetsuya ITO , Chikashi ITO
摘要： A drive assistance device includes: a collection unit that collects, from a sensor, own-vehicle-state-information representing a state related to a movement of an own vehicle and a position of the own vehicle; a communication unit that transmits the own-vehicle-state-information to another vehicle, and also receiving another-vehicle-state-information representing a state related to a movement of the another vehicle and a position of the another vehicle, from the another vehicle; a determination unit that determines whether a problem occurs in relation to the another vehicle, based on the another-vehicle-state-information being received; and a generation unit that generates, when the determination unit determines that the problem occurs in relation to the another vehicle, improvement operation information representing an operation of the own vehicle capable of improving the problem related to the another vehicle, based on the own-vehicle-state-information and the another-vehicle-state-information.
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公开(公告)号：US20220058826A1
公开(公告)日：2022-02-24
申请号：US17414590
申请日：2019-12-26
发明人： Takahiro HASEGAWA , Masahito IWAI , Kenichi ABE , Tetsuya ITO , Chikashi ITO
摘要： Provided is an article position management apparatus that a receiver receives image data from a camera apparatus and that identifies a position of an article, based on an article marker attached to an article and a reference point marker whose coordinate information in an absolute coordinate system in a field is set in advance, the article marker and the reference point marker being included in the image data, when the camera apparatus is a mobile camera apparatus, and identifies the position of the article, based on the article marker included in the image, when the camera apparatus is a fixed camera apparatus.
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6.发明申请公开(公告)号：US20210400452A1
公开(公告)日：2021-12-23
申请号：US17421362
申请日：2020-01-09
发明人： Yuki BABA , Akira MATSUMOTO , Tetsuya ITO , Chikashi ITO , Tetsuji KAWATSU , Takurn NOMURA , Katsuyuki AKIZUKI , Yuji HARADA
摘要： An in-vehicle control apparatus controls a plurality of repeaters included in an in-vehicle network assembled in a vehicle, based on a control scenario(s) associated with states of the vehicle and control contents, each of which is set in a corresponding one of the plurality of repeaters.
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7.发明申请公开(公告)号：US20150023181A1
公开(公告)日：2015-01-22
申请号：US14505815
申请日：2014-10-03
发明人： Peng SHAO , Stefan AUST , Akira MATSUMOTO , Tetsuya ITO , Peter DAVIS
CPC分类号： H04W24/06 , H04L41/0654 , H04L43/0805 , H04W24/02 , H04W74/0825 , H04W88/02
摘要： A wireless communication device includes a data transmission and reception section that wirelessly transmits a plurality of test packets; a signal sensing section that senses a power of a spatial radio wave signal on a frequency channel that is the same as the plurality of test packets and outputs sample data of the sensed spatial radio wave signal; a calculation processing section that converts the sample data into time series sample data; a collision detection section that calculates a packet collision rate based on the number of packet collisions and the number of the plurality of test packets if there is a packet collision due to interference of the plurality of test packets with another communication; and a control section that adjusts a parameter that the data transmission and reception section uses based on a calculation result of the collision detection section.
摘要翻译： 无线通信装置包括无线发送多个测试分组的数据发送接收部; 信号感测部，其感测与所述多个测试分组相同的频率信道上的空间无线电波信号的功率，并输出所感测的空间无线电波信号的采样数据; 计算处理部分，将样本数据转换为时间序列样本数据; 冲突检测部分，如果由于所述多个测试分组与另一通信的干扰而存在分组冲突，则基于分组冲突的数量和所述多个测试分组的数量来计算分组冲突率; 以及控制部，其基于所述碰撞检测部的计算结果来调整所述数据发送接收部使用的参数。
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公开(公告)号：US20210312660A1
公开(公告)日：2021-10-07
申请号：US17265669
申请日：2019-08-08
发明人： Takahiro HASEGAWA , Masahito IWAI , Kenichi ABE , Yuiebiro EZURE , Tetsuya ITO
IPC分类号： G06T7/73
摘要： Article position estimation system comprises: article movement recognition part; reference point recognition part; position information generation part; and article position estimation part. Article movement recognition part generates article movement information including time point when article is taken out by mobile body or time point when article placement is completed by mobile body. Reference point recognition part recognizes reference point and generates reference point recognition information including identification information according to recognized reference point, reference point recognition time point, and information related to recognized reference point. Position information generation part generates information related to position of mobile body at reference point recognition time point based on reference point recognition information. Article position estimation part estimates position of mobile body at the time when article is moved by using at least position of mobile body at reference point recognition time point.
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