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11. 发明申请

US20100246553A1 WIRELESS TRANSMISSION DEVICE, WIRELESS COMMUNICATION SYSTEM AND WIRELESS TRANSMISSION METHOD 审中-公开
标题翻译：无线传输设备，无线通信系统和无线传输方法
公开(公告)号：US20100246553A1
公开(公告)日：2010-09-30
申请号：US12678697
申请日：2008-09-11
申请人： Ryota Yamada , Takashi Yoshimoto , Toshizo Nogami , Kazuyuki Shimezawa
发明人： Ryota Yamada , Takashi Yoshimoto , Toshizo Nogami , Kazuyuki Shimezawa
IPC分类号： H04J13/00
CPC分类号： H04L27/2626 , H04B1/71072 , H04J13/004 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L5/0007 , H04L27/2647 , Y02D50/10
摘要： A wireless transmission device which communicates with a wireless reception device, includes: a reception quality setting unit which sets the reception quality of at least one code channel among a plurality of code channels to be multiplexed to be different from the reception quality of the other code channels; and a transmitting unit which transmits a signal which has the reception quality set by the reception quality setting unit and is generated by multiplexing the plurality of code channels, to the wireless reception device.
摘要翻译：一种与无线接收装置进行通信的无线发送装置，包括：接收质量设定单元，其将多路复用的多个码信道中的至少一个码信道的接收质量设定为与其他码的接收质量不同渠道; 以及发送单元，其向所述无线接收装置发送具有由所述接收质量设置单元设置的接收质量并且通过将所述多个码信道复用而生成的信号。

12. 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。

13. 发明申请

US20110038430A1 TRANSMISSION APPARATUS, RECEPTION APPARATUS, COMMUNICATION SYSTEM, TRANSMISSION METHOD AND RECEPTION METHOD 有权
标题翻译：传输装置，接收装置，通信系统，传输方法和接收方法
公开(公告)号：US20110038430A1
公开(公告)日：2011-02-17
申请号：US12936065
申请日：2009-03-30
申请人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa , Naoki Okamoto
发明人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa , Naoki Okamoto
IPC分类号： H04L27/00
CPC分类号： H04L1/0069 , H04L1/1819 , H04L1/1893 , H04L5/0046 , H04L5/0053 , H04L5/0055 , H04L27/2605
摘要： Data errors are sufficiently corrected and desired transmission quality is obtained even when the time variation of fading is large in a multicarrier transmission scheme communication system to which HARQ is applied. A transmission apparatus 100 is applied to a communication system in which the transmission apparatus and a reception apparatus perform automatic repeat request control therebetween, and has a subcarrier spacing setting section 111 that sets the subcarrier spacing used in transmitting a retransmission signal to be larger than the subcarrier spacing used in transmitting a first transmission signal, an IFFT section 112 that performs IFFT (Inverse Fast Fourier Transform) on an input signal based on the subcarrier spacing set in the subcarrier spacing setting section 111, and a transmission section 102 that transmits the first transmission signal and at least one retransmission signal.
摘要翻译：即使在应用了HARQ的多载波传输方式通信系统中，即使在衰落的时间变化大的情况下，也能够充分地校正数据错误，并且获得期望的传输质量。发送装置100应用于其中发送装置和接收装置在其间进行自动重复请求控制的通信系统，并且具有将发送重发信号所使用的子载波间隔设置为大于所述发送装置的副载波间隔设定部111 在发送第一发送信号中使用的子载波间隔，基于在子载波间隔设定部111中设定的副载波间隔对输入信号进行IFFT（快速傅里叶逆变换）的IFFT部112，以及发送部发送信号和至少一个重发信号。

14. 发明授权

US08284851B2 Transmission apparatus, reception apparatus, communication system, transmission method and reception method 有权
标题翻译：发送装置，接收装置，通信系统，发送方法和接收方法
公开(公告)号：US08284851B2
公开(公告)日：2012-10-09
申请号：US12936065
申请日：2009-03-30
申请人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa , Naoki Okamoto
发明人： Takashi Yoshimoto , Ryota Yamada , Kazuyuki Shimezawa , Naoki Okamoto
IPC分类号： H04K1/10 , H04L27/28
CPC分类号： H04L1/0069 , H04L1/1819 , H04L1/1893 , H04L5/0046 , H04L5/0053 , H04L5/0055 , H04L27/2605
摘要： Data errors are sufficiently corrected and desired transmission quality is obtained even when the time variation of fading is large in a multicarrier transmission scheme communication system to which HARQ is applied. A transmission apparatus 100 is applied to a communication system in which the transmission apparatus and a reception apparatus perform automatic repeat request control therebetween, and has a subcarrier spacing setting section 111 that sets the subcarrier spacing used in transmitting a retransmission signal to be larger than the subcarrier spacing used in transmitting a first transmission signal, an IFFT section 112 that performs IFFT (Inverse Fast Fourier Transform) on an input signal based on the subcarrier spacing set in the subcarrier spacing setting section 111, and a transmission section 102 that transmits the first transmission signal and at least one retransmission signal.
摘要翻译：即使在应用了HARQ的多载波传输方式通信系统中，即使在衰落的时间变化大的情况下，也能够充分地校正数据错误，并且获得期望的传输质量。发送装置100应用于其中发送装置和接收装置在其间进行自动重复请求控制的通信系统，并且具有将发送重发信号所使用的子载波间隔设置为大于所述发送装置的副载波间隔设定部111 在发送第一发送信号中使用的子载波间隔，基于在子载波间隔设定部111中设定的副载波间隔对输入信号进行IFFT（快速傅里叶逆变换）的IFFT部112，以及发送部发送信号和至少一个重发信号。

15. 发明申请

US20100158080A1 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法
公开(公告)号：US20100158080A1
公开(公告)日：2010-06-24
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： H04L27/00 , H04B1/707 , H04L27/28
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。

16. 发明申请

US20110019757A1 COMMUNICATION SYSTEM, RECEPTION DEVICE, AND COMMUNICATION METHOD 有权
标题翻译：通信系统，接收设备和通信方法
公开(公告)号：US20110019757A1
公开(公告)日：2011-01-27
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 which generates and removes an interference replica; and a signal separation unit which separates a signal into which a transmission signal is multiplexed from an output of the interference cancellation 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，其产生和去除干扰复制品; 以及信号分离单元，其将从发送信号复用的信号与干扰消除单元的输出分离。

17. 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。

18. 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。

19. 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。

20. 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。

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