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11. 发明申请

US20100325505A1 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：US20100325505A1
公开(公告)日：2010-12-23
申请号：US12735830
申请日：2009-02-19
申请人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada , Toshizo Nogami
发明人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada , Toshizo Nogami
IPC分类号： H04L1/18 , G06F11/14
CPC分类号： H04L1/1845 , H04L1/005 , H04L1/0066 , H04L1/0069 , H04L1/0071 , H04L1/1819 , H04L25/03171
摘要： A communication device used in a communication system requesting a retransmission signal when detecting an error in a received initial transmission signal, the communication device including: a reception unit which receives the initial transmission signal and the retransmission signal; a synthesis unit which synthesizes a signal based on a retransmission signal and at least one of a signal based on the retransmission signal or the initial transmission signal, when the reception unit receives the retransmission signal; and an iterative detection and decoding unit which performs signal decoding based on a signal obtained through the synthesis in the synthesis unit, thereby reducing the number of retransmissions and the number of iterations of the iteration process.
摘要翻译：一种通信装置，用于在检测到所接收的初始发送信号中的错误时请求重发信号的通信系统中，所述通信装置包括：接收单元，接收所述初始发送信号和所述重发信号; 合成单元，当所述接收单元接收到所述重发信号时，基于重发信号和基于所述重发信号或所述初始发送信号的信号中的至少一个合成信号; 以及迭代检测和解码单元，其基于通过合成单元中的合成获得的信号执行信号解码，由此减少重传次数和迭代处理的迭代次数。

12. 发明申请

US20090141834A1 RECEIVER AND RECEIVING METHOD FOR RF SIGNALS 审中-公开
标题翻译： RF信号的接收和接收方法
公开(公告)号：US20090141834A1
公开(公告)日：2009-06-04
申请号：US12301603
申请日：2007-05-22
申请人： Kimihiko Imamura , Kazuyuki Shimezawa , Ryota Yamada , Takashi Yoshimoto
发明人： Kimihiko Imamura , Kazuyuki Shimezawa , Ryota Yamada , Takashi Yoshimoto
IPC分类号： H04B1/10 , H04L27/06 , H04B15/00
CPC分类号： H04L5/0021 , H04B1/7107 , H04L1/005 , H04L27/2647
摘要： An rf signal receiver of the present invention includes: a replica signal generating unit for generating on the basis of a received signal a replica of a transmission signal a delayed arriving signal removing unit for removing the delayed arriving signal from the received signal through the use of the replica signal at the timing of a predetermined timing pattern; a signal combining unit for combining the output of the delayed arriving signal removing unit, whose output represents the results of the removal of the delayed arriving signal from the received signal at the timing of a predetermined timing pattern; and a demodulation unit for demodulating the output of the signal combining unit.
摘要翻译：本发明的射频信号接收机包括：复制信号生成单元，用于根据接收信号生成发送信号的副本，延迟到达信号去除单元，用于通过使用接收信号从接收信号中去除延迟的到达信号在预定定时模式的定时处的复制信号; 信号组合单元，用于组合延迟到达信号去除单元的输出，其输出表示在预定定时模式的定时从接收信号中去除延迟到达信号的结果; 以及解调单元，用于解调所述信号组合单元的输出。

13. 发明申请

US20110206031A1 RECEIVER AND RECEIVING METHOD 审中-公开
标题翻译：接收和接收方法
公开(公告)号：US20110206031A1
公开(公告)日：2011-08-25
申请号：US12672175
申请日：2008-08-06
申请人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa
IPC分类号： H04B1/16
CPC分类号： H04B1/59 , H04B1/7117 , H04L5/0021 , H04L25/03171 , H04L27/2647
摘要： A receiver includes a replica signal generating unit which generates a replica signal as a replica of a transmission signal based on a received signal; a time zone setting unit which sets a plurality of time zones to be extracted such that a part of a signal interval of the received signal is included in the plurality of time zones to be extracted; a signal extracting unit which extracts a signal in a predetermined time zone of the received signal based on the replica signal and a time zone which is set by the time zone setting unit; a combining unit which combines signals of the respective time zones extracted by the signal extracting unit; and a decoding processing unit which carries out decoding on the signal combined by the combining unit.
摘要翻译：接收机包括：复制信号生成单元，其基于接收到的信号生成复制信号作为发送信号的副本; 时区设置单元，其设置要提取的多个时区，使得接收信号的信号间隔的一部分包括在要提取的多个时区中; 信号提取单元，其基于所述复制信号和由所述时间段设置单元设置的时区来提取所接收信号的预定时间段中的信号; 组合单元，其组合由所述信号提取单元提取的各个时间段的信号; 以及解码处理单元，对由组合单元组合的信号进行解码。

14. 发明申请

US20100183100A1 RECEIVER AND RECEPTION METHOD 审中-公开
标题翻译：接收和接收方法
公开(公告)号：US20100183100A1
公开(公告)日：2010-07-22
申请号：US12676130
申请日：2008-09-05
申请人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
发明人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
IPC分类号： H04L27/06 , H04J11/00 , H04B1/69 , H04B1/10
CPC分类号： H04B1/7115 , H04B1/7117 , H04L5/0021 , H04L25/0212 , H04L25/03012 , H04L27/2647
摘要： A receiver includes a propagation path estimation unit which produces a channel impulse response estimation value from a received signal, a replica signal creation unit which creates a replica signal as a replica of a transmitted signal based on the received signal, a time period setting unit which sets time periods into which the channel impulse response estimation value is divided, a received signal extraction unit which extracts received signals of the time periods set by the time period setting unit using the replica signal created by the replica signal creation unit, a combining unit which iterates a process for combining the signals of the time periods extracted by the received signal extraction unit, and a demodulation processing unit which performs a demodulation process for the signals combined by the combining unit. The number of time periods set in at least one iterative process is different.
摘要翻译：接收机包括从接收信号产生信道脉冲响应估计值的传播路径估计单元，复制信号生成单元，基于接收信号，生成复制信号作为发送信号的副本;时间段设定单元，设置分配了信道脉冲响应估计值的时间周期;接收信号提取单元，其使用由复制信号创建单元创建的复制信号提取由时间段设置单元设置的时间段的接收信号;合成单元，迭代用于组合由接收信号提取单元提取的时间段的信号的处理和对由组合单元组合的信号执行解调处理的解调处理单元。在至少一个迭代过程中设置的时间段的数量是不同的。

15. 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。

16. 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。

17. 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。

18. 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。

19. 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。

20. 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。

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