公开(公告)号：US08411770B2

公开(公告)日：2013-04-02

申请号：US12744639

申请日：2008-11-26

申请人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

发明人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

IPC分类号： H04K1/10

CPC分类号： H04L5/0007 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/006 ,  H04W72/0453

摘要： A wireless transmission device converts signals having been subjected to a first modulation into frequency domain signals, and allocates the frequency domain signals converted to subcarriers for transmission. The wireless transmission device includes: a controller that selects, based on channel qualities of the subcarriers to which the frequency domain signals are allocated, a value satisfying a predetermined communication quality as control information indicative of the number of frequency domain signals included in each of segments into which the frequency domain signals are segmentalized; and an allocating unit that segmentalizes the frequency domain signals into segments, each of the segments including the same number of frequency domain signals as the value selected as the control information by the controller, and allocates the frequency domain signals included in each of the segments to sequential subcarriers.

摘要翻译： 无线传输设备将已经经过第一调制的信号转换为频域信号，并分配转换为子载波进行传输的频域信号。 无线发送装置包括：控制器，其基于分配有频域信号的子载波的信道质量，选择满足预定通信质量的值作为指示包括在每个段中的频域信号的数量的控制信息 频域信号被分段化; 以及分配单元，其将频域信号分段为段，每个段包括与由控制器选择为控制信息的值相同数量的频域信号，并且将包括在每个段中的频域信号分配给 顺序子载波。

公开(公告)号：US20120213054A1

公开(公告)日：2012-08-23

申请号：US13457298

申请日：2012-04-26

申请人： Yasuhiro HAMAGUCHI ,  Minoru Kubota ,  Hideo Namba ,  Shimpei Toh ,  Kazunari Yokomakura

发明人： Yasuhiro HAMAGUCHI ,  Minoru Kubota ,  Hideo Namba ,  Shimpei Toh ,  Kazunari Yokomakura

IPC分类号： H04J11/00 ,  H04J13/00 ,  H04W72/04

CPC分类号： H04B7/15 ,  H04B1/692 ,  H04B1/707 ,  H04B2201/70706 ,  H04J13/0044 ,  H04J13/20 ,  H04L5/0021 ,  H04L5/026 ,  H04L27/2615 ,  H04L27/2636 ,  H04L27/2647 ,  H04W72/0446

摘要： A transmission apparatus according to the present invention includes: an encoding section; a modulation section; a variable-SF spreading section that performs spreading with variable SF according to control information A from a control section; an IDFT section that performs IDFT on output from the spreading section; a GI inserting section; a parallel/serial conversion section that converts output from the GI inserting section into a serial data sequence; a digital/analog conversion section; and an RF section that transmits a signal from an antenna after converting the signal to a frequency band for analog signal transmission and controlling it to an appropriate transmission power. The control section is configured to generate control information A for determining the variable SF and input the information A to the variable-SF spreading section and the RF section. In control information A, SF is varied depending on transmission power required.

摘要翻译： 根据本发明的发送装置包括：编码部分; 调制部; 可变SF扩展部，其根据来自控制部的控制信息A，利用变量SF进行扩展; IDFT部分，用于在扩展部分的输出上执行IDFT; GI插入部分; 并行/串行转换部分，其将来自GI插入部分的输出转换为串行数据序列; 数字/模拟转换部分; 以及RF部，其在将信号转换成用于模拟信号传输的频带之后从天线发送信号，并将其控制到适当的发送功率。 控制部分被配置为产生用于确定变量SF并且将信息A输入到可变SF扩展部分和RF部分的控制信息A. 在控制信息A中，SF取决于所需的发射功率而变化。

公开(公告)号：US20100254484A1

公开(公告)日：2010-10-07

申请号：US12744639

申请日：2008-11-26

申请人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

发明人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

IPC分类号： H04L27/00

CPC分类号： H04L5/0007 ,  H04L5/0039 ,  H04L5/0041 ,  H04L5/0044 ,  H04L5/006 ,  H04W72/0453

摘要： A wireless transmission device converts signals having been subjected to a first modulation into frequency domain signals, and allocates the frequency domain signals converted to subcarriers for transmission. The wireless transmission device includes: a controller that selects, based on channel qualities of the subcarriers to which the frequency domain signals are allocated, a value satisfying a predetermined communication quality as control information indicative of the number of frequency domain signals included in each of segments into which the frequency domain signals are segmentalized; and an allocating unit that segmentalizes the frequency domain signals into segments, each of the segments including the same number of frequency domain signals as the value selected as the control information by the controller, and allocates the frequency domain signals included in each of the segments to sequential subcarriers.

摘要翻译： 无线传输设备将已经经过第一调制的信号转换为频域信号，并分配转换为子载波进行传输的频域信号。 无线发送装置包括：控制器，其基于分配有频域信号的子载波的信道质量，选择满足预定通信质量的值作为指示包括在每个段中的频域信号的数量的控制信息 频域信号被分段化; 以及分配单元，其将频域信号分段为段，每个段包括与由控制器选择为控制信息的值相同数量的频域信号，并且将包括在每个段中的频域信号分配给 顺序子载波。

公开(公告)号：US08488664B2

公开(公告)日：2013-07-16

申请号：US12809553

申请日：2008-12-17

申请人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To

发明人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To

IPC分类号： H03H7/30

CPC分类号： H04L27/0008 ,  H04B17/336 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/20 ,  H04L25/022 ,  H04L25/03159 ,  H04L2025/03414 ,  H04L2025/03605

摘要： A reception device which receives a signal transmitted by a transmission device that changes at least one of a modulation scheme and a coding rate based on information reported from the reception device, the reception device includes an equalization unit which equalizes a received signal in a frequency domain, a signal-noise ratio measuring unit which measures a signal-noise ratio from the received signal after equalization, and a notification signal generation unit which sets at least one of a modulation scheme and a coding rate from the quality of reception and generates a signal to be reported to the transmission device.

摘要翻译： 一种接收装置，其接收由发送装置发送的信号，所述信号基于从所述接收装置报告的信息，改变调制方式和编码率中的至少一个，所述接收装置包括均衡部，其对频域中的接收信号进行均衡 信号噪声比测量单元，其从均衡后的接收信号中测量信噪比;以及通知信号生成单元，其根据接收质量设置调制方式和编码率中的至少一种，并生成信号 报告给传输设备。

公开(公告)号：US20110286501A1

公开(公告)日：2011-11-24

申请号：US12672250

申请日：2008-08-07

申请人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

发明人： Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To ,  Kazunari Yokomakura

IPC分类号： H04B1/38

CPC分类号： H04L25/067 ,  H04L1/0029 ,  H04L5/0007 ,  H04L27/2647

摘要： To enable CQI information to notify the transmission side to be compressed with efficiency, while minimizing the effect on scheduling on the transmission side, provided are reception sections 30 to 34 that receive signals transmitted using a plurality of subcarriers, a reception quality calculating section 40 which divides a frequency band associated with the plurality of subcarriers, and calculates reception quality information indicative of reception quality of the received signals based on an information amount determined for each divided frequency band, and transmission sections 10 to 17 that transmit the calculated reception quality information to a transmission source of the signals.

摘要翻译： 为了使CQI信息能够有效地通知发送侧被压缩，同时在对发送侧的调度的影响最小化的同时，提供接收使用多个子载波发送的信号的接收部30〜34，接收质量计算部40 划分与多个子载波相关联的频带，并且基于为每个划分的频带确定的信息量来计算指示接收信号的接收质量的接收质量信息;以及发送部分10至17，其将计算出的接收质量信息发送到 信号的传输源。

公开(公告)号：US20110212743A1

公开(公告)日：2011-09-01

申请号：US12673340

申请日：2008-08-13

申请人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Minoru Kubota ,  Hideo Namba ,  Seiichi Sampei ,  Shinichi Miyamoto ,  Shinsuke Ibi

发明人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Shimpei To ,  Minoru Kubota ,  Hideo Namba ,  Seiichi Sampei ,  Shinichi Miyamoto ,  Shinsuke Ibi

IPC分类号： H04B7/24

CPC分类号： H04W72/0453 ,  H04L5/0007 ,  H04L5/0026 ,  H04L5/0037 ,  H04L5/0044 ,  H04L25/0204 ,  H04L25/022 ,  H04L25/0242 ,  H04L25/03159 ,  H04L25/03171 ,  H04L25/03318 ,  H04L27/2607 ,  H04L27/2615 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04W72/0446

摘要： Each of first radio communication devices includes; a frequency spread unit which spreads frequency of a transmitted signal to generate a frequency-spread signal; and a mapping unit which allocates the frequency-spread signal to a subcarrier according to the mapping information which specifies a subcarrier. A second radio communication device includes: a demapping unit which extracts from a received signal a signal of the subcarrier specified by the mapping information; and an inverse frequency spread unit which inverse-frequency-spreads the extracted signal. The first radio communication device or the second radio communication device includes a use subcarrier decision unit that decides a subcarrier to which the frequency-spread-signal is allocated according to a communication path capacity of each subcarrier of each antenna used for transmission by the first radio communication devices and generates mapping information used to specify the decided subcarrier.

摘要翻译： 第一无线电通信装置中的每一个包括： 频率扩展单元，其扩展发送信号的频率以产生频率扩展信号; 以及映射单元，其根据指定副载波的映射信息将频率扩展信号分配给子载波。 第二无线电通信设备包括：解映射单元，从接收信号中提取由映射信息指定的副载波的信号; 以及对所提取的信号进行反频率扩展的逆频率扩展单元。 第一无线通信装置或第二无线通信装置包括使用子载波判定单元，根据通过第一无线电发送的各天线的每个副载波的通信路径容量，决定分配了扩频信号的副载波 通信设备并且生成用于指定所确定的子载波的映射信息。

公开(公告)号：US20110007701A1

公开(公告)日：2011-01-13

申请号：US12921082

申请日：2009-03-05

申请人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Kazunari Yokomakura

发明人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Kazunari Yokomakura

IPC分类号： H04W4/00

CPC分类号： H04L27/156 ,  H04J11/004 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/03159 ,  H04L2025/03426

摘要： A communication system that transmits a signal from a first communication device to a second communication device using a plurality of frequency channels, wherein at least one of the plurality of frequency channels uses part of subcarriers in an overlapping manner with one or more adjacent frequency channels, the first communication device includes a transmission unit which transmits a signal to the second communication device using one or more of the plurality of frequency channels, and the second communication device includes a reception unit which receives the signal transmitted by the transmission unit.

摘要翻译： 一种使用多个频道从第一通信设备向第二通信设备发送信号的通信系统，其中所述多个频率信道中的至少一个频率信道以与一个或多个相邻频率信道重叠的方式使用部分子载波， 第一通信设备包括使用多个频道中的一个或多个向第二通信设备发送信号的发送单元，并且第二通信设备包括接收由发送单元发送的信号的接收单元。

公开(公告)号：US08780825B2

公开(公告)日：2014-07-15

申请号：US12921082

申请日：2009-03-05

申请人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Kazunari Yokomakura

发明人： Shimpei To ,  Minoru Kubota ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Kazunari Yokomakura

IPC分类号： H04W4/00

CPC分类号： H04L27/156 ,  H04J11/004 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0048 ,  H04L25/0226 ,  H04L25/03159 ,  H04L2025/03426

摘要： A communication system that transmits a signal from a first communication device to a second communication device using a plurality of frequency channels, wherein at least one of the plurality of frequency channels uses part of subcarriers in an overlapping manner with one or more adjacent frequency channels, the first communication device includes a transmission unit which transmits a signal to the second communication device using one or more of the plurality of frequency channels, and the second communication device includes a reception unit which receives the signal transmitted by the transmission unit.

摘要翻译： 一种使用多个频道从第一通信设备向第二通信设备发送信号的通信系统，其中所述多个频率信道中的至少一个频率信道以与一个或多个相邻频率信道重叠的方式使用部分子载波， 第一通信设备包括使用多个频道中的一个或多个向第二通信设备发送信号的发送单元，并且第二通信设备包括接收由发送单元发送的信号的接收单元。

公开(公告)号：US08654751B2

公开(公告)日：2014-02-18

申请号：US13457298

申请日：2012-04-26

申请人： Yasuhiro Hamaguchi ,  Minoru Kubota ,  Hideo Namba ,  Shimpei Toh ,  Kazunari Yokomakura

发明人： Yasuhiro Hamaguchi ,  Minoru Kubota ,  Hideo Namba ,  Shimpei Toh ,  Kazunari Yokomakura

IPC分类号： H04J1/00 ,  H04K1/10 ,  H04L27/28

CPC分类号： H04B7/15 ,  H04B1/692 ,  H04B1/707 ,  H04B2201/70706 ,  H04J13/0044 ,  H04J13/20 ,  H04L5/0021 ,  H04L5/026 ,  H04L27/2615 ,  H04L27/2636 ,  H04L27/2647 ,  H04W72/0446

摘要： A transmission apparatus according to the present invention includes: an encoding section; a modulation section; a variable-SF spreading section that performs spreading with variable SF according to control information A from a control section; an IDFT section that performs IDFT on output from the spreading section; a GI inserting section; a parallel/serial conversion section that converts output from the GI inserting section into a serial data sequence; a digital/analog conversion section; and an RF section that transmits a signal from an antenna after converting the signal to a frequency band for analog signal transmission and controlling it to an appropriate transmission power. The control section is configured to generate control information A for determining the variable SF and input the information A to the variable-SF spreading section and the RF section. In control information A, SF is varied depending on transmission power required.

摘要翻译： 根据本发明的发送装置包括：编码部分; 调制部; 可变SF扩展部，其根据来自控制部的控制信息A，利用变量SF进行扩展; IDFT部分，用于在扩展部分的输出上执行IDFT; GI插入部分; 并行/串行转换部分，其将来自GI插入部分的输出转换为串行数据序列; 数字/模拟转换部分; 以及RF部，其在将信号转换成用于模拟信号传输的频带之后从天线发送信号，并将其控制到适当的发送功率。 控制部分被配置为产生用于确定变量SF并且将信息A输入到可变SF扩展部分和RF部分的控制信息A. 在控制信息A中，SF取决于所需的发射功率而变化。

公开(公告)号：US20100266065A1

公开(公告)日：2010-10-21

申请号：US12809528

申请日：2008-12-19

申请人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To

发明人： Kazunari Yokomakura ,  Yasuhiro Hamaguchi ,  Hideo Namba ,  Shimpei To

IPC分类号： H04B15/00 ,  H04L27/00

CPC分类号： H04L25/03159 ,  H04B17/309 ,  H04L1/0003 ,  H04L1/0013 ,  H04L1/0015 ,  H04L1/0036

摘要： A reception device which receives a signal transmitted by a transmission device which changes at least one of a modulation scheme and a coding rate. The reception device includes an equalization unit which equalizes a received signal in frequency domain, a reliability calculation unit which calculates the reliability of a transmitted bit from the received signal after equalization, a mutual information amount calculation unit which calculates a mutual information amount based on the reliability of the transmitted bit calculated by the reliability calculation unit, and a notification signal generation unit which sets at least one of a modulation scheme and a coding rate based on the mutual information amount calculated by the mutual information amount calculation unit to generate a signal to be reported to the transmission device.

摘要翻译： 一种接收由发送装置发送的信号的接收装置，该发送装置改变调制方式和编码率中的至少一个。 接收装置包括：均衡单元，其对频域中的接收信号进行均衡;可靠性计算单元，其从均衡后的接收信号中计算发送位的可靠性;互信息量计算单元，基于该信息量计算单元， 由可靠性计算单元计算的发送位的可靠性，以及通知信号生成单元，其基于由互信息量计算单元计算出的互信息量来设定调制方式和编码率中的至少一个，生成信号 报告给传输设备。