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公开(公告)号：US08451927B2
公开(公告)日：2013-05-28
申请号：US12996707
申请日：2009-06-02
申请人： Yukitoshi Sanada , Haruki Higuchi
发明人： Yukitoshi Sanada , Haruki Higuchi
IPC分类号： H04B7/02
CPC分类号： H04B7/0671 , H04L1/20 , H04L5/0023 , H04L27/2602
摘要： Improving channel response characteristics between a transmitter and a receiver, in a Multiple-Input-Multiple-Output (MIMO)-system without increasing the number of receiving antennas, by using fractional sampling in a receiver, delaying and transmitting part of plural transmitting signals demodulating data of the plural data series.
摘要翻译： 通过在接收机中使用分数采样，在多输入多输出（MIMO）系统中改善发射机和接收机之间的信道响应特性，而不增加接收天线的数量，延迟和发射解调的多个发射信号的一部分 多个数据序列的数据。
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公开(公告)号：US07792229B2
公开(公告)日：2010-09-07
申请号：US10951807
申请日：2004-09-29
申请人： Yukitoshi Sanada , Jun Furukawa
发明人： Yukitoshi Sanada , Jun Furukawa
CPC分类号： H04B1/7183
摘要： A communication system for pulse based communication using a sequence acquisition system using the correlation method in UWB communications which generates a pulse detection signal differing in phase by exactly a predetermined period (τ) from the transmission information of a pulse signal of a predetermined period at the transmission side and reception side, uses the pulse detection signal to establish synchronization at the reception side, then generates transmission information at the reception side by making its phase different by exactly a predetermined time from the synchronized pulse detection signal so as to establish synchronization between the reception signal and the transmission information, whereby it is possible to enable synchronization acquisition and shorten the synchronization acquisition time without complicating the hardware and even without the presence of information in the transmission signal.
摘要翻译： 一种用于基于脉冲通信的通信系统，其使用在UWB通信中使用相关方法的序列采集系统，其产生脉冲检测信号，所述脉冲检测信号在预定周期（τ）的脉冲信号的传输信息中，所述脉冲信号在预定周期 发送侧和接收侧，使用脉冲检测信号在接收侧建立同步，然后通过使其相位与同步脉冲检测信号精确地预定的时间相位而在接收侧产生发送信息，以便建立同步 接收信号和发送信息，从而可以实现同步获取并缩短同步获取时间，而不会使硬件复杂化，甚至不存在传输信号中的信息。
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3.发明申请公开(公告)号：US20080039028A1
公开(公告)日：2008-02-14
申请号：US11835860
申请日：2007-08-08
IPC分类号： H04B1/44
摘要： An information processing apparatus executes processing based on received information conforming to IEEE 802.11n, and includes: an incident angle measuring unit acquiring a received signal and measuring an incident angle of the received signal's radio wave; a reliability estimating unit estimating reliability of a measurement result of the incident angle, by analyzing a state of occurrence of fading using a relationship between frequency and signal intensity of the received signal; and a processing unit executing or controlling processing utilizing the measurement result of the incident angle. The processing unit executes or controls the processing utilizing the measurement result of the incident angle if the estimating unit judges that the reliability of the measurement result of the incident angle is high, and prohibits the processing utilizing the measurement result of the incident angle if the estimating unit judges that the reliability of the measurement result of the incident angle is low.
摘要翻译： 信息处理装置基于符合IEEE 802.11n的接收信息执行处理，并且包括：入射角测量单元，获取接收信号并测量接收信号的无线电波的入射角; 可靠性估计单元，通过使用接收信号的频率和信号强度之间的关系来分析衰落的发生状态来估计入射角的测量结果的可靠性; 以及利用入射角的测量结果执行或控制处理的处理单元。 如果估计单元判断入射角的测量结果的可靠性高，则处理单元使用入射角的测量结果来执行或控制处理，并且如果估计的话，则禁止利用入射角的测量结果的处理 单元判断入射角的测量结果的可靠性低。
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公开(公告)号：US20080025440A1
公开(公告)日：2008-01-31
申请号：US11780929
申请日：2007-07-20
申请人： Yukitoshi SANADA , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo
发明人： Yukitoshi SANADA , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo
CPC分类号： H04B7/0845 , H04B1/70757 , H04B1/7115
摘要： A receiving device including channel signal output means for sampling a received signal at a sampling rate switched one of in a predetermined range and between a plurality of values and outputting a channel signal, control means for controlling the sampling rate in the channel signal output means, response estimation means for estimating a response based on the channel signal output by the channel signal output means, evaluation means for evaluating a reception characteristic based on an estimation result of the response by the response estimation means, and determination means for determining the sampling rate in the channel signal output means based on an evaluation of the reception characteristic at a plurality of sampling rates by the evaluation means.
摘要翻译： 一种接收装置，包括：信道信号输出装置，用于以切换预定范围中的一个并在多个值之间的采样率对接收到的信号进行采样，并输出信道信号;控制装置，用于控制信道信号输出装置中的采样率， 响应估计装置，用于基于由信道信号输出装置输出的信道信号来估计响应;评估装置，用于基于响应估计装置的响应的估计结果来评估接收特性;以及确定装置，用于确定采样率 信道信号输出装置基于评估装置对多个采样率的接收特性的评估。
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公开(公告)号：US20050249270A1
公开(公告)日：2005-11-10
申请号：US10991069
申请日：2004-11-17
申请人： Masaki Matsui , Yukitoshi Sanada
发明人： Masaki Matsui , Yukitoshi Sanada
IPC分类号： H04B1/707 , H04B1/7073 , H04L7/00 , H04L7/04
CPC分类号： H04L7/042 , H04B1/7075 , H04L7/044
摘要： A symbol synchronization device that enables effective symbol synchronization establishment and synchronization holding for an arbitrary spread code sequence. The device includes (i) a primary demodulation section for receiving a spread modulation signal where chips for symbol synchronization are added to a symbol data after spread modulation, and demodulating the spread modulation signal to a base band spread modulation signal, (ii) symbol synchronization chip removal means for removing chips for symbol synchronization from the base band spread modulation signal, (iii) a secondary demodulation section for despreading the base band spread modulation signal from which the chips for symbol synchronization are removed, (iv) a symbol timing regeneration section for regenerating a symbol timing by performing in-phase addition of the base band spread modulation signals; and (v) a symbol decision section for deciding the symbols for the despread signals that are output from the secondary demodulation section, synchronizing with the symbol timing.
摘要翻译： 符号同步装置，其能够实现用于任意扩展码序列的有效符号同步建立和同步保持。 该装置包括：（i）用于接收扩频调制信号的主解调部分，其中用于符号同步的码片被扩展调制后的符号数据相加，并将扩展调制信号解调为基带扩展调制信号，（ii）符号同步 用于从基带扩展调制信号中去除用于符号同步的芯片的芯片去除装置，（iii）用于解扩除去用于符号同步的芯片的基带扩展调制信号的二次解调部分，（iv）符号定时再生部分 用于通过执行基带扩展调制信号的同相相加来再现符号定时; 和（v）符号判定部分，用于与符号定时同步地确定从二次解调部分输出的解扩信号的符号。
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公开(公告)号：US20110096818A1
公开(公告)日：2011-04-28
申请号：US12996707
申请日：2009-06-02
申请人： Yukitoshi Sanada , Haruki Higuchi
发明人： Yukitoshi Sanada , Haruki Higuchi
CPC分类号： H04B7/0671 , H04L1/20 , H04L5/0023 , H04L27/2602
摘要： This invention provides a multi-carrier system that can separate multi-carrier certainly by improving channel response characteristics between a transmitter and a receiver, in a MIMO system increasing receiving antennas by using a fractional sampling in a receiver. The transmitter delays and transmits a part of plural transmitting signals for a time decided from a magnification of a fractional sampling and a pulse length of a transmitting signal, or a time decided with channel response characteristics from the transmitter that the receiver measured.By this structure, the channel response characteristics of a multi-carrier system are improved.
摘要翻译： 本发明提供一种多载波系统，其可以通过改善发射机和接收机之间的信道响应特性，在MIMO系统中分离多载波，该MIMO系统通过在接收机中使用分数采样来增加接收天线。 发射机延迟并发送多个发射信号的一部分一段时间，该时间从发射信号的分数采样的放大率和发射信号的脉冲长度，或由接收机测量的来自发射机的信道响应特性决定的时间。 通过这种结构，提高了多载波系统的信道响应特性。
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7.发明授权公开(公告)号：US07848723B2
公开(公告)日：2010-12-07
申请号：US11835860
申请日：2007-08-08
摘要： An information processing apparatus executes processing based on received information conforming to IEEE 802.11n, and includes: an incident angle measuring unit acquiring a received signal and measuring an incident angle of the received signal's radio wave; a reliability estimating unit estimating reliability of a measurement result of the incident angle, by analyzing a state of occurrence of fading using a relationship between frequency and signal intensity of the received signal; and a processing unit executing or controlling processing utilizing the measurement result of the incident angle. The processing unit executes or controls the processing utilizing the measurement result of the incident angle if the estimating unit judges that the reliability of the measurement result of the incident angle is high, and prohibits the processing utilizing the measurement result of the incident angle if the estimating unit judges that the reliability of the measurement result of the incident angle is low.
摘要翻译： 信息处理装置基于符合IEEE 802.11n的接收信息执行处理，并且包括：入射角测量单元，获取接收信号并测量接收信号的无线电波的入射角; 可靠性估计单元，通过使用接收信号的频率和信号强度之间的关系来分析衰落的发生状态来估计入射角的测量结果的可靠性; 以及利用入射角的测量结果执行或控制处理的处理单元。 如果估计单元判断入射角的测量结果的可靠性高，则处理单元使用入射角的测量结果来执行或控制处理，并且如果估计的话，则禁止利用入射角的测量结果的处理 单元判断入射角的测量结果的可靠性低。
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8.发明授权公开(公告)号：US07835423B2
公开(公告)日：2010-11-16
申请号：US11780929
申请日：2007-07-20
申请人： Yukitoshi Sanada , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo
发明人： Yukitoshi Sanada , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo
IPC分类号： H04B1/00
CPC分类号： H04B7/0845 , H04B1/70757 , H04B1/7115
摘要： This application discloses, among other things, a receiving device including channel signal output unit for sampling a received signal at a sampling rate switched one of in a predetermined range and between a plurality of values and outputting a channel signal, control unit for controlling the sampling rate in the channel signal output unit, response estimation unit for estimating a response based on the channel signal output by the channel signal output unit, evaluation unit for evaluating a reception characteristic based on an estimation result of the response by the response estimation unit, and determination unit for determining the sampling rate in the channel signal output unit based on an evaluation of the reception characteristic at a plurality of sampling rates by the evaluation unit.
摘要翻译： 本申请尤其公开了一种包括信道信号输出单元的接收装置，用于以预定范围内切换的多个采样率和多个值之间的采样率采样接收信号，并输出信道信号，控制单元用于控制采样 信道信号输出单元中的速率，用于基于由信道信号输出单元输出的信道信号来估计响应的响应估计单元，基于响应估计单元的响应的估计结果来评估接收特性的评估单元，以及 确定单元，用于基于由评估单元对多个采样率的接收特性的评估来确定信道信号输出单元中的采样率。
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公开(公告)号：US20080219328A1
公开(公告)日：2008-09-11
申请号：US11871013
申请日：2007-10-11
申请人： Yukitoshi Sanada , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo , Mario Tokoro
发明人： Yukitoshi Sanada , Hideki Yokoshima , Masayoshi Abe , Yuya Kondo , Mario Tokoro
CPC分类号： H04B1/70757
摘要： A receiver apparatus includes a plurality of signal receiving means; a plurality of channel signal outputting means for sampling signals received by the plurality of signal receiving means at sampling rates switched within a predetermined range or between multiple values and outputting channel signals; control means for controlling the sampling rates in the plurality of channel signal outputting means; response estimating means for estimating responses on the basis of the channel signals output from the plurality of channel signal outputting means; evaluating means for evaluating reception characteristics on the basis of the responses estimated by the response estimating means; and determining means for determining the sampling rates in the plurality of channel signal outputting means on the basis of the reception characteristics at the multiple sampling rates evaluated by the evaluating means.
摘要翻译： 接收机装置包括多个信号接收装置; 多个信道信号输出装置，用于以在预定范围内或多个值之间切换的采样速率对由多个信号接收装置接收的信号进行采样，并输出信道信号; 用于控制多个通道信号输出装置中的采样率的控制装置; 响应估计装置，用于根据从多个信道信号输出装置输出的信道信号来估计响应; 评估装置，用于基于由所述响应估计装置估计的响应来评估接收特性; 以及确定装置，用于基于由评估装置评估的多个采样率的接收特性来确定多个信道信号输出装置中的采样率。
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公开(公告)号：US20050100079A1
公开(公告)日：2005-05-12
申请号：US10951807
申请日：2004-09-29
申请人： Yukitoshi Sanada , Jun Furukawa
发明人： Yukitoshi Sanada , Jun Furukawa
CPC分类号： H04B1/7183
摘要： A communication system for pulse based communication using a sequence acquisition system using the correlation method in UWB communications which generates a pulse detection signal differing in phase by exactly a predetermined period (τ) from the transmission information of a pulse signal of a predetermined period at the transmission side and reception side, uses the pulse detection signal to establish synchronization at the reception side, then generates transmission information at the reception side by making its phase different by exactly a predetermined time from the synchronized pulse detection signal so as to establish synchronization between the reception signal and the transmission information, whereby it is possible to enable synchronization acquisition and shorten the synchronization acquisition time without complicating the hardware and even without the presence of information in the transmission signal.
摘要翻译： 一种用于基于脉冲通信的通信系统，其使用在UWB通信中使用相关方法的序列采集系统，其产生脉冲检测信号，所述脉冲检测信号在相位上与预定周期的脉冲信号的传输信息 发送侧和接收侧，使用脉冲检测信号在接收侧建立同步，然后通过使其相位与同步脉冲检测信号精确地预定的时间相位而在接收侧产生发送信息，以便建立同步 接收信号和发送信息，从而可以实现同步获取并缩短同步获取时间，而不会使硬件复杂化，甚至不存在传输信号中的信息。
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