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公开(公告)号:US08369359B2
公开(公告)日:2013-02-05
申请号:US12688868
申请日:2010-01-16
IPC分类号: H04J3/16
CPC分类号: H04B3/54 , H04B2203/5445 , H04L1/0007 , H04L1/0026 , H04L1/1867 , H04L27/0004 , H04L27/2601
摘要: A communication device for transmitting data to an other communication device via a transmission channel, includes a communication characteristic acquisition section which acquires a communication characteristic of the transmission channel, and a frame length control section which controls a frame length of a communication frame storing the data based on the communication characteristic of the transmission channel.
摘要翻译: 一种用于经由传输信道向另一通信设备发送数据的通信设备包括:通信特性获取部分,其获取传输信道的通信特性;以及帧长度控制部分,其控制存储数据的通信帧的帧长度 基于传输信道的通信特性。
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公开(公告)号:US08325784B2
公开(公告)日:2012-12-04
申请号:US12202001
申请日:2008-08-29
申请人: Taisuke Konishi , Nobuhiko Noma , Nobutaka Kodama , Hisao Koga , Shigeo Yoshida
发明人: Taisuke Konishi , Nobuhiko Noma , Nobutaka Kodama , Hisao Koga , Shigeo Yoshida
IPC分类号: H04B1/00
CPC分类号: H04L1/0001 , H04B2203/5408 , H04B2203/5445 , H04B2203/5454 , H04B2203/5495 , H04L1/12 , H04L5/0007 , H04L5/0048 , H04L5/006 , H04L27/2613
摘要: A communication apparatus is connected to a transmission channel for transmitting data to another communication apparatus. The communication apparatus includes: a communication frame generator which generates a communication frame for storing the data; and a controller which controls to insert a pilot symbol into the communication frame based on a state of the transmission channel.
摘要翻译: 通信装置连接到用于将数据发送到另一通信装置的传输信道。 通信装置包括:生成用于存储数据的通信帧的通信帧生成器; 以及控制器,其基于所述传输信道的状态来控制将导频符号插入到所述通信帧中。
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公开(公告)号:US20100226446A1
公开(公告)日:2010-09-09
申请号:US12785163
申请日:2010-05-21
申请人: Hisao KOGA , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao KOGA , Nobutaka Kodama , Taisuke Konishi
CPC分类号: H04L27/2601 , H04B3/54 , H04B14/023 , H04B2203/5416 , H04B2203/5425 , H04B2203/5491 , H04L1/0009 , H04L1/18 , H04L5/0046 , H04L25/022 , H04L25/03159 , H04L27/0004 , H04L2025/03414
摘要: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.
摘要翻译: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器,转换器,其转换接收信号以使得能够处理相位信息;载波检测器,其检测接收的存在或不存在 信号,从接收信号提取同步定时的同步电路,校正接收信号以消除传输路径的影响的均衡器,估计电力线传输路径的状态的传输路径估计器和判断单元 其通过使用阈值来判断由均衡器修改的接收信号。
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公开(公告)号:US07725081B2
公开(公告)日:2010-05-25
申请号:US11871820
申请日:2007-10-12
申请人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
CPC分类号: H04L27/2601 , H04B3/54 , H04B14/023 , H04B2203/5416 , H04B2203/5425 , H04B2203/5491 , H04L1/0009 , H04L1/18 , H04L5/0046 , H04L25/022 , H04L25/03159 , H04L27/0004 , H04L2025/03414
摘要: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.
摘要翻译: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器,转换器,其转换接收信号以使得能够处理相位信息;载波检测器,其检测接收的存在或不存在 信号,从接收信号提取同步定时的同步电路,校正接收信号以消除传输路径的影响的均衡器,估计电力线传输路径的状态的传输路径估计器和判断单元 其通过使用阈值来判断由均衡器修改的接收信号。
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公开(公告)号:US07302240B2
公开(公告)日:2007-11-27
申请号:US10913495
申请日:2004-08-09
申请人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
CPC分类号: H04L27/2601 , H04B3/54 , H04B14/023 , H04B2203/5416 , H04B2203/5425 , H04B2203/5491 , H04L1/0009 , H04L1/18 , H04L5/0046 , H04L25/022 , H04L25/03159 , H04L27/0004 , H04L2025/03414
摘要: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.
摘要翻译: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器,转换器,其转换接收信号以使得能够处理相位信息;载波检测器,其检测接收的存在或不存在 信号,从接收信号提取同步定时的同步电路,校正接收信号以消除传输路径的影响的均衡器,估计电力线传输路径的状态的传输路径估计器和判断单元 其通过使用阈值来判断由均衡器修改的接收信号。
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公开(公告)号:US07590185B2
公开(公告)日:2009-09-15
申请号:US11634128
申请日:2006-12-06
申请人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
CPC分类号: H04L27/2602 , H04L27/0004
摘要: A wave detecting section of a receiver has a first wavelet transformer involving a plurality of wavelet filters orthogonal to each other for performing a wavelet transform on received waveform data, a Hilbert transformer for performing a Hilbert transform on the received waveform data, a second wavelet transformer having the same configuration as that of the first wavelet transformer for performing a wavelet transform on outputs from the Hilbert transformer, a code converter for inverting the codes of outputs in odd-numbered places among outputs from the second wavelet transformer, a level converter for correcting fluctuations of outputs from the code converter attributable to a ripple of the Hilbert transformer, and a complex data generator for generating complex data, by defining outputs of the first wavelet transformer as in-phase components of the complex information and outputs from the level converter as orthogonal components of the complex information.
摘要翻译: 接收机的波检测部分具有第一小波变换器,其包括彼此正交的多个小波滤波器,用于对接收到的波形数据执行小波变换,对所接收的波形数据执行希尔伯特变换的希尔伯特变换器,第二小波变换器 具有与用于对来自希尔伯特变换器的输出执行小波变换的第一小波变换器的配置相同的配置,用于将来自第二小波变换器的输出中的奇数编号的输出代码反相的代码转换器,用于校正的电平转换器 通过将第一小波变换器的输出定义为复数信息的同相分量和从电平转换器输出的输出,可以归因于希尔伯特变换器的纹波的输出的波动以及用于产生复数据的复数数据发生器 正交分量的复杂信息。
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公开(公告)号:US08189698B2
公开(公告)日:2012-05-29
申请号:US12341420
申请日:2008-12-22
申请人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
IPC分类号: H04K1/10
CPC分类号: H04L27/2602 , H04L27/0004
摘要: A wave detecting section of a receiver has a first wavelet transformer involving a plurality of wavelet filters orthogonal to each other for performing a wavelet transform on received waveform data, a Hilbert transformer for performing a Hilbert transform on the received waveform data, a second wavelet transformer having the same configuration as that of the first wavelet transformer for performing a wavelet transform on outputs from the Hilbert transformer, a code converter for inverting the codes of outputs in odd-numbered places among outputs from the second wavelet transformer, a level converter for correcting fluctuations of outputs from the code converter attributable to a ripple of the Hilbert transformer, and a complex data generator for generating complex data, by defining outputs of the first wavelet transformer as in-phase components of the complex information and outputs from the level converter as orthogonal components of the complex information.
摘要翻译: 接收机的波检测部分具有第一小波变换器,其包括彼此正交的多个小波滤波器,用于对接收到的波形数据执行小波变换,对所接收的波形数据执行希尔伯特变换的希尔伯特变换器,第二小波变换器 具有与用于对来自希尔伯特变换器的输出执行小波变换的第一小波变换器的配置相同的配置,用于将来自第二小波变换器的输出中的奇数编号的输出代码反相的代码转换器,用于校正的电平转换器 通过将第一小波变换器的输出定义为复数信息的同相分量和从电平转换器输出的输出,可以归因于希尔伯特变换器的纹波的输出的波动和用于产生复数据的复数数据发生器 正交分量的复杂信息。
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公开(公告)号:US08086194B2
公开(公告)日:2011-12-27
申请号:US12785163
申请日:2010-05-21
申请人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao Koga , Nobutaka Kodama , Taisuke Konishi
CPC分类号: H04L27/2601 , H04B3/54 , H04B14/023 , H04B2203/5416 , H04B2203/5425 , H04B2203/5491 , H04L1/0009 , H04L1/18 , H04L5/0046 , H04L25/022 , H04L25/03159 , H04L27/0004 , H04L2025/03414
摘要: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a channel estimator which estimates a state of a power line channel, and a decision unit which decides the reception signal, which was amended by the equalizer, by use of a threshold value.
摘要翻译: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器,转换器,其转换接收信号以使得能够处理相位信息;载波检测器,其检测接收的存在或不存在 信号,从接收信号提取同步定时的同步电路,校正接收信号以消除传输路径的影响的均衡器,估计电力线信道的状态的信道估计器,以及决定单元 通过均衡器修改的接收信号通过使用阈值。
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公开(公告)号:US20080095253A1
公开(公告)日:2008-04-24
申请号:US11871820
申请日:2007-10-12
申请人: Hisao KOGA , Nobutaka Kodama , Taisuke Konishi
发明人: Hisao KOGA , Nobutaka Kodama , Taisuke Konishi
IPC分类号: H04B1/66
CPC分类号: H04L27/2601 , H04B3/54 , H04B14/023 , H04B2203/5416 , H04B2203/5425 , H04B2203/5491 , H04L1/0009 , H04L1/18 , H04L5/0046 , H04L25/022 , H04L25/03159 , H04L27/0004 , H04L2025/03414
摘要: A communication apparatus has an A/D converter which converts an analog signal which was received, into a digital signal, a converter which converts a reception signal so as to enable handling of phase information, a carrier detector which detects presence or absence of the reception signal, a synchronous circuit which extract synchronization timing from the reception signal, an equalizer which corrects the reception signal so as to cancel influence of a transmission path, a transmission path estimator which estimates a state of a power line transmission path, and a judging unit which judges the reception signal, which was amended by the equalizer, by use of a threshold value.
摘要翻译: 通信装置具有将接收到的模拟信号转换为数字信号的A / D转换器,转换器,其转换接收信号以使得能够处理相位信息;载波检测器,其检测接收的存在或不存在 信号,从接收信号提取同步定时的同步电路,校正接收信号以消除传输路径的影响的均衡器,估计电力线传输路径的状态的传输路径估计器和判断单元 其通过使用阈值来判断由均衡器修改的接收信号。
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