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21. 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。

22. 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。

23. 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。

24. 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。

25. 发明申请

US20100183094A1 RECEPTION DEVICE AND RECEPTION METHOD 审中-公开
标题翻译：接收设备和接收方法
公开(公告)号：US20100183094A1
公开(公告)日：2010-07-22
申请号：US12666742
申请日：2008-06-25
申请人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
发明人： Kazuyuki Shimezawa , Takashi Yoshimoto , Ryota Yamada
IPC分类号： H04L27/00
CPC分类号： H04L27/2647 , H04L5/0021 , H04L25/03171
摘要： A reception device includes a block division setting unit which sets a block division setting value based on an arrived delay wave group, a replica signal generating unit which generates a replica signal which is a replica of a transmitted signal based on a received signal, a delay wave removing unit which removes delay waves from the received signal for every time period, the removals being performed by using the block division setting value set by the block division setting unit and the replica signal, a combining unit which combines the signal from which the delay wave was removed, the combining being performed by the combining unit for every time period, and a determining unit which makes determination on the signal combined by the combining unit.
摘要翻译：接收装置包括块分割设置单元，其基于到达的延迟波群来设置块分割设置值，复制信号生成单元，其基于接收信号生成作为发送信号的副本的复制信号，延迟去除单元，其从每个时间段去除接收到的信号的延迟波，通过使用由块分割设置单元和复制信号设置的块分割设置值来执行去除;组合单元，其组合了延迟波形被去除，每个时间段由组合单元执行组合，以及确定单元，其对由组合单元组合的信号进行确定。

26. 发明授权

US08971265B2 Communication system, communication method and base station 有权
标题翻译：通信系统，通信方式和基站
公开(公告)号：US08971265B2
公开(公告)日：2015-03-03
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： H04W4/00 , H04J3/14 , H04B7/216 , H04W36/00 , H04J11/00 , H04L5/00 , H04L27/26 , H04L1/00
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。

27. 发明授权

US09713123B2 Base station device, mobile station device, communication system, transmission method, reception method, and communication method 有权
公开(公告)号：US09713123B2
公开(公告)日：2017-07-18
申请号：US13984201
申请日：2012-02-03
申请人： Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04W28/04 , H04W72/00 , H04J11/00 , H04W72/04
CPC分类号： H04W72/005 , H04J11/0053 , H04J11/0056 , H04W72/042
摘要： Inter-cell Interference is efficiently mitigated or suppressed in a radio communication system constituting a heterogeneous network. In the radio communication system in which a base station device and a mobile station device communicate with each other, the base station device notifies, to the mobile station device, control information related to a cell-specific reference signal that is specific to a cell ID of another base station device different from the aforesaid base station device, the control information containing information regarding number of ports for the cell-specific reference signal.

28. 发明申请

US20130315191A1 BASE STATION DEVICE, MOBILE STATION DEVICE, COMMUNICATION SYSTEM, TRANSMISSION METHOD, RECEPTION METHOD, AND COMMUNICATION METHOD 有权
标题翻译：基站设备，移动站设备，通信系统，传输方法，接收方法和通信方法
公开(公告)号：US20130315191A1
公开(公告)日：2013-11-28
申请号：US13984201
申请日：2012-02-03
申请人： Takashi Yoshimoto , Kazuyuki Shimezawa
发明人： Takashi Yoshimoto , Kazuyuki Shimezawa
IPC分类号： H04W72/00
CPC分类号： H04W72/005 , H04J11/0053 , H04J11/0056 , H04W72/042
摘要： Inter-cell Interference is efficiently mitigated or suppressed in a radio communication system constituting a heterogeneous network. In the radio communication system in which a base station device and a mobile station device communicate with each other, the base station device notifies, to the mobile station device, control information related to a cell-specific reference signal that is specific to a cell ID of another base station device different from the aforesaid base station device, the control information containing information regarding number of ports for the cell-specific reference signal.
摘要翻译：在构成异构网络的无线电通信系统中，小区间干扰被有效地缓解或抑制。在基站装置和移动台装置相互通信的无线通信系统中，基站装置向移动台装置通知与小区ID有关的小区特有参照信号有关的控制信息与上述基站装置不同的另一个基站装置，控制信息包含有关小区特定参考信号的端口数的信息。

29. 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。

30. 发明申请

US20120219079A1 RECEIVING DEVICE, RECEIVING METHOD, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD 审中-公开
标题翻译：接收设备，接收方法，通信系统和通信方法
公开(公告)号：US20120219079A1
公开(公告)日：2012-08-30
申请号：US13504141
申请日：2010-10-19
申请人： Takashi Yoshimoto , Ryota Yamada
发明人： Takashi Yoshimoto , Ryota Yamada
IPC分类号： H04B15/00 , H04L27/28 , H04B1/10
CPC分类号： H04L5/0007 , H04J11/0036 , H04L25/03171 , H04L27/2602 , H04L27/2647
摘要： Provided is a receiving device including: a receiving unit that receives a multicarrier modulation signal; an interference cancelling unit that removes a modulation symbol replica generated using a decoding process result, from the signal received by the receiving unit, and outputs the resultant signal; and a signal detecting unit that decodes the signal outputted by the interference cancelling unit, and outputs the decoding process result. The interference cancelling unit generates the modulation symbol replica with the use of the decoding process result of part of data modulation symbols constituting the signal received by the receiving unit.
摘要翻译：提供一种接收装置，包括：接收单元，其接收多载波调制信号; 干扰消除单元，从接收单元接收的信号中去除使用解码处理结果生成的调制符号副本，并输出所得到的信号; 以及信号检测单元，对由干扰消除单元输出的信号进行解码，并输出解码处理结果。干扰消除单元利用构成由接收单元接收的信号的数据调制符号的一部分的解码处理结果生成调制符号副本。

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