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81. 发明授权

US08446972B2 Communication system, reception device, and communication method 有权
标题翻译：通信系统，接收设备和通信方式
公开(公告)号：US08446972B2
公开(公告)日：2013-05-21
申请号：US12934186
申请日：2009-04-24
申请人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04K1/10
CPC分类号： H04B7/04 , H04B1/71075 , H04B17/391 , H04J11/004 , H04J11/0063 , H04L5/0023 , H04L25/0228 , H04L25/0242 , H04L25/03006 , H04L25/03171 , H04L27/2647 , H04L2025/03401 , H04L2025/03426
摘要： A reception device which communicates with a transmission device including multiple transmission antennas, the reception device including: at least one reception antenna which receives multiple transmission signals transmitted by the transmission device from the multiple transmission antennas; a propagation channel response estimation unit which estimates propagation channel responses among the multiple transmission antennas and the reception antenna; a block division unit which divides a reception signal of at least one of the reception antennas into multiple blocks based on a multipath; and a transmission signal detection unit which detects the transmission signals transmitted by the transmission device based on the reception signal divided by the block division unit into the multiple blocks and the propagation channel responses estimated by the propagation channel response estimation unit. The transmission signal detection unit includes: an interference cancellation unit and a signal separation unit.
摘要翻译：一种与包括多个发送天线的发送装置通信的接收装置，所述接收装置包括：至少一个接收天线，其从所述多个发送天线接收由所述发送装置发送的多个发送信号; 估计多个发送天线和接收天线之间的传播路径响应的传播路径响应估计单元; 块分割单元，其基于多路径将至少一个所述接收天线的接收信号划分为多个块; 以及发送信号检测单元，其基于由所述块分割单元划分的所述接收信号，将由所述发送装置发送的发送信号检测为所述多个块，以及所述传播路径响应由所述传播路径响应估计单元估计出。发送信号检测单元包括：干扰消除单元和信号分离单元。

82. 发明授权

US08428187B2 Reception device and reception method 有权
标题翻译：接收设备和接收方式
公开(公告)号：US08428187B2
公开(公告)日：2013-04-23
申请号：US12665645
申请日：2008-04-25
申请人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04L27/00
CPC分类号： H04B1/707
摘要： A reception device includes a replica signal generating unit which generates a replica signal which is a replica of a transmitted signal based on a received signal, a time period setting unit which sets a plurality of time periods which time period of the received signal is divided into based on a received power of the received signal, an arrival wave removing unit which removes an arrival waves from the received signal for each time period set by the time period setting unit using the replica signal generated by the replica signal generating unit, a combining unit which combines the signals that the arrival waves are removed by the arrival wave removing unit from the received signal for each time periods set by the time period setting unit; and a demodulation processing unit which performs a demodulation process for the signal combined by the combining unit.
摘要翻译：接收装置包括：复制信号生成单元，其基于接收信号生成作为发送信号的复制品的复制信号;时间段设定单元，其将接收信号的时间段的多个时间段分割成基于接收到的信号的接收功率的到达波消除单元，使用由复制信号生成单元生成的复制信号，从由时间段设定单元设定的每个时间段从接收到的信号中去除到达波;组合单元其特征在于，将由到达波移除单元除去的到达波的信号与由时间段设定单元设定的每个时间段的接收信号进行组合; 以及解调处理单元，对由所述组合单元组合的信号进行解调处理。

83. 发明授权

US08381060B2 Communication device, communication system, reception method, and communication method 有权
标题翻译：通信设备，通信系统，接收方式和通信方式
公开(公告)号：US08381060B2
公开(公告)日：2013-02-19
申请号：US12991935
申请日：2009-05-14
申请人： Takashi Yoshimoto , Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04L1/18
CPC分类号： H04L1/1812 , H04J11/0023 , H04L1/1829 , H04L1/1854
摘要： Provided is a communication device which performs a hybrid automatic repeat request process of requesting a transmission source to perform retransmission when an error is detected from a received signal. The communication device includes: a reception unit that receives a signal into which an initial transmission signal and a retransmission signal are multiplexed among signals including the initial transmission signal and the retransmission signal for any one signal; a detection order decision unit that decides an order of detection of the initial transmission signal and the retransmission signal from the signal received by the reception unit in response to the number of retransmissions of the initial transmission signal and the retransmission signal which are included in the signal received by the reception unit; and a signal detection unit that removes an interference component from the signal received by the reception unit by using a signal detected by the communication device according to the order decided by the detection order decision unit, and that detects the initial transmission signal and the retransmission signal. An increase of delay can be prevented when retransmission is repeated.
摘要翻译：提供一种通信装置，当从接收到的信号检测到错误时，执行请求发送源进行重发的混合自动重传请求处理。通信装置包括：接收单元，用于接收在任何一个信号中包括初始发送信号和重发信号的信号之间复用初始发送信号和重传信号的信号; 检测顺序判定单元，其根据包含在信号中的初始发送信号和重发信号的重发次数，根据由接收单元接收的信号来决定初始发送信号和重发信号的检测次序由接待单位收到; 以及信号检测单元，其通过使用由所述通信设备根据所述检测顺序决定单元确定的顺序检测到的信号从所述接收单元接收到的信号中去除干扰分量，并且检测所述初始发送信号和所述重发信号。当重复重传时，可以防止延迟的增加。

84. 发明授权

US08363756B2 Wireless reception device, wireless communication system and wireless communication method 有权
标题翻译：无线接收设备，无线通信系统和无线通信方式
公开(公告)号：US08363756B2
公开(公告)日：2013-01-29
申请号：US12602033
申请日：2008-05-22
申请人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04L27/06
CPC分类号： H04B7/04 , H04B7/06 , H04B7/08
摘要： A wireless reception device which communicates with a wireless transmission device which has a plurality of transmission antennas, includes at least one reception antenna which receives a plurality of transmission signals transmitted from the plurality of transmission antennas of the wireless transmission device; a channel response estimation unit which estimates a channel response between a plurality of transmission antennas and the reception antenna; a block dividing unit which divides a reception signal of at least one reception antennas into a plurality of blocks; and a transmission signal detection unit which detects the plurality of transmission signals transmitted by the wireless transmission device based on a plurality of reception signals divided by the block dividing unit and the channel response estimated by the channel response estimation unit.
摘要翻译：一种与具有多个发送天线的无线发送装置通信的无线接收装置，包括至少一个接收从所述无线发送装置的多个发送天线发送的发送信号的发送信号的接收天线; 信道响应估计单元，其估计多个发送天线与接收天线之间的信道响应; 块分割单元，其将至少一个接收天线的接收信号分成多个块; 以及发送信号检测单元，其基于由所述块分割单元划分的多个接收信号和由所述信道响应估计单元估计的信道响应来检测由所述无线发送设备发送的所述多个发送信号。

85. 发明申请

US20120127949A1 COMMUNICATION SYSTEM, COMMUNICATION METHOD AND BASE STATION 有权
标题翻译：通信系统，通信方法和基站
公开(公告)号：US20120127949A1
公开(公告)日：2012-05-24
申请号：US13388895
申请日：2010-08-04
申请人： Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04W72/04 , H04B15/00
CPC分类号： H04J11/0053 , H04L1/0045 , H04L1/0068 , H04L1/0077 , H04L5/0007 , H04L5/0035 , H04L5/0073 , H04L27/2607 , H04W4/38
摘要： In a communication system including a mobile station that transmits a data signal and a plurality of base stations receiving the data signal transmitted by the mobile station, the communication system includes: as the base stations, at least, one first base station having a first signal detector detecting the data signal transmitted by the mobile station; and, at least, one second base station having a second signal detector that detects the data signal received by the station per se, using the detection result which the first base station has detected from the data signal transmitted by the mobile station. As a result, it is possible to provide a communication system and the like capable of providing good transmission characteristics in the uplink cooperative communication without addition of CPs having a longer length than usual.
摘要翻译：在包括发送数据信号的移动站和接收由移动站发送的数据信号的多个基站的通信系统中，通信系统包括：作为基站，至少有一个第一基站具有第一信号检测器检测由移动台发送的数据信号; 以及至少一个第二基站，具有第二信号检测器，该第二信号检测器使用从移动台发送的数据信号中检测到的由第一基站检测到的检测结果本台本身接收的数据信号。结果，可以提供能够在上行协作通信中提供良好的传输特性的通信系统等，而不需要增加长度比通常长的CP。

86. 发明申请

US20110126072A1 COMMUNICATION DEVICE, COMMUNICATION SYSTEM, RECEPTION METHOD AND COMMUNICATION METHOD 审中-公开
标题翻译：通信设备，通信系统，接收方法和通信方法
公开(公告)号：US20110126072A1
公开(公告)日：2011-05-26
申请号：US13002935
申请日：2009-07-08
申请人： Takashi Yoshimoto , Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04L1/18 , G06F11/14
CPC分类号： H04J11/0043 , H04J13/0044 , H04L1/0048 , H04L1/0069 , H04L1/1812 , H04L1/1829 , H04L1/1893
摘要： A communication device includes: a reception unit which receives a signal including an initial transmission signal and a retransmission signal for any one signal; a detection order determination unit which determines an order of detection of the initial transmission signal and the retransmission signal from the signal received by the reception unit, according to retransmission repetition numbers of the initial transmission signal and the retransmission signal; and a signal detection unit which detects signals including detected signals for the initial transmission signal and the retransmission signal from the signal received by the reception unit using signals detected by the communication device according to the order determined by the detection order determination unit. The signal detection unit includes a combining unit which combines the detected retransmission signal and a signal detected from a previously received signal including at least one related signal received earlier than the retransmission signal.
摘要翻译：通信装置包括：接收单元，其接收包括初始发送信号和重发信号的信号，用于任何一个信号; 检测顺序确定单元，根据所述初始发送信号和所述重传信号的重发重复次数，根据由所述接收单元接收的信号确定所述初始发送信号和所述重发信号的检测次序; 以及信号检测单元，根据由检测顺序确定单元确定的顺序，根据由通信设备检测到的信号，从由接收单元接收的信号中检测包括用于初始发送信号和重传信号的检测信号的信号。信号检测单元包括组合单元，其组合检测到的重发信号和从包括在重发信号之前接收的至少一个相关信号的先前接收的信号检测的信号。

87. 发明申请

US20110116581A1 COMMUNICATION SYSTEM, RECEPTION DEVICE, AND COMMUNICATION METHOD 审中-公开
标题翻译：通信系统，接收设备和通信方法
公开(公告)号：US20110116581A1
公开(公告)日：2011-05-19
申请号：US13003925
申请日：2009-07-24
申请人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Ryota Yamada , Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04L27/06 , H04B7/02
CPC分类号： H04B7/0413 , H04B7/0854 , H04J11/0063 , H04L25/03292 , H04L25/03318 , H04L25/03968 , H04L27/2647
摘要： A reception device, which communicates with a transmission device having multiple transmission antennas, includes: at least one reception antenna which receives multiple transmission signals that are transmitted from the multiple transmission antennas by the transmission device; a Fourier transform unit which transforms the signals received by the reception antenna from a time domain into a frequency domain; a propagation channel estimating unit which calculates propagation channel estimation values by estimating propagation channels between the multiple transmission antennas and the reception antenna; and a signal detecting unit which detects the multiple transmission signals by dividing multipaths from the signals that are transformed into the frequency domain by the Fourier transform unit.
摘要翻译：与具有多个发送天线的发送装置通信的接收装置包括：至少一个接收天线，其接收由所述发送装置从所述多个发送天线发送的多个发送信号; 傅立叶变换单元，将由接收天线接收的信号从时域变换为频域; 传播路径估计单元，其通过估计所述多个发送天线与所述接收天线之间的传播路径来计算传播路径估计值; 以及信号检测单元，其通过由通过傅里叶变换单元将经过变换成频域的信号分割多路径来检测多个发送信号。

88. 发明申请

US20110041023A1 COMMUNICATION DEVICE, COMMUNICATION SYSTEM, RECEPTION METHOD, AND PROGRAM 审中-公开
标题翻译：通信设备，通信系统，接收方法和程序
公开(公告)号：US20110041023A1
公开(公告)日：2011-02-17
申请号：US12988608
申请日：2009-04-20
申请人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
发明人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
IPC分类号： H04L1/18 , G06F11/14
CPC分类号： H04L1/1874 , H04B1/7097 , H04L1/1819
摘要： A communication device in a communication system which requests a retransmission signal when an error is detected from an initial transmission signal detected from a reception signal, the communication device including: a storage unit which stores information indicated by the detected initial transmission signal; a reception unit which receives a signal including a desired signal; an a priori information generation unit which generates a priori information for detecting the desired signal from the signal received by the reception unit based on the information stored by the storage unit when a retransmission signal related to the initial transmission signal of the information stored by the storage unit interferes with the desired signal; and a signal detection unit which detects the desired signal from the signal received by the reception unit using the a priori information. Therefore, the number of retransmission is reduced.
摘要翻译： 1.一种通信系统，其特征在于，在从接收信号检测到的初始发送信号检测出错误时，请求重传信号的通信装置，所述通信装置包括：存储单元，存储由检测到的初始发送信号表示的信息; 接收单元，其接收包括期望信号的信号; 一个先验信息生成单元，当与存储器存储的信息的初始发送信号有关的重传信号时，基于由存储单元存储的信息，从接收单元接收的信号中产生用于检测期望信号的先验信息; 单位干扰所需信号; 以及信号检测单元，其使用先验信息从接收单元接收的信号中检测所需信号。因此，重发次数减少。

89. 发明申请

US20110007729A1 RECEPTION DEVICE, TRANSMISSION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD 审中-公开
标题翻译：接收设备，传输设备，通信系统和通信方法
公开(公告)号：US20110007729A1
公开(公告)日：2011-01-13
申请号：US12918299
申请日：2009-02-17
申请人： Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
发明人： Toshizo Nogami , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04B7/216 , H04B7/00
CPC分类号： H04L1/1812 , H04B1/7107 , H04J11/004 , H04L1/005 , H04L1/1819 , H04L1/1845 , H04L1/1854 , H04L1/1893
摘要： A reception device which communicates with a transmission device, the reception device including: a reception unit which receives a signal in which a plurality of data signals are multiplexed, from the transmission device; and a data signal detection unit which determines whether detection of transmission data for each data signal from the reception signal received by the reception unit is successful. The reception unit further receives, from the transmission device, a retransmission data signal corresponding to at least one of data signals for which transmission data detection has failed among the plurality of multiplexed data signals. The data signal detection unit determines whether re-detection of the transmission data included in the data signal corresponding to the retransmission data signal among the plurality of multiplexed data signals and a data signal not corresponding to the at least one retransmission data signal, from the reception signal and the retransmission data signal, is successful.
摘要翻译：一种与发送装置通信的接收装置，所述接收装置包括：接收部，其从所述发送装置接收多个数据信号被多路复用的信号; 以及数据信号检测单元，其确定从接收单元接收的接收信号中是否检测到每个数据信号的发送数据成功。接收单元还从发送装置接收与多个复用数据信号中的发送数据检测失败的数据信号中的至少一个对应的重发数据信号。数据信号检测单元从接收到的多个复用数据信号中确定是否重新检测包括在重发数据信号中的数据信号中的发送数据和与该至少一个重发数据信号不对应的数据信号信号和重发数据信号，成功。

90. 发明申请

US20100325510A1 TRANSMISSION DEVICE, RECEPTION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD 审中-公开
标题翻译：传输设备，接收设备，通信系统和通信方法
公开(公告)号：US20100325510A1
公开(公告)日：2010-12-23
申请号：US12918254
申请日：2009-02-17
申请人： Toshizo Nogami , Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
发明人： Toshizo Nogami , Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04L1/14 , H04L27/06 , G06F11/14
CPC分类号： H04L1/1887 , H04B1/7107 , H04B2201/70705 , H04J11/0036 , H04L1/1819
摘要： A reception device which communicates with a transmission device, the reception device including: a reception unit which receives a signal in which a plurality of data signals are multiplexed, from the transmission device; a data signal detection unit which detects transmission data included in the plurality of data signals from the reception signal received by the reception unit, and outputs the detected transmission data and success/failure of transmission data detection for each data signal; a selection unit which selects some of data signals for which the transmission data detection is not successful among the plurality of multiplexed data signals; a success/failure information signal generation unit which generates success/failure information in data signals for which the transmission data detection is successful and the selected data signals; and a report transmission unit which reports the success/failure information to the transmission device.
摘要翻译：一种与发送装置通信的接收装置，所述接收装置包括：接收部，其从所述发送装置接收多个数据信号被多路复用的信号; 数据信号检测单元，从接收单元接收到的接收信号中检测出包含在多个数据信号中的发送数据，并且输出检测到的发送数据和每个数据信号的发送数据检测的成功/失败; 选择单元，其在所述多个复用数据信号中选择所述发送数据检测不成功的一些数据信号; 成功/失败信息生成单元，其在发送数据检测成功的数据信号中生成成功/失败信息，并且选择数据信号; 以及向发送装置报告成功/失败信息的报告发送单元。

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