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1. 发明专利

JP2011130427A Sneak canceler, and sneak canceling method 有权
标题翻译： SNEAK CANCELER和SNEAK CANCELING方法
公开(公告)号：JP2011130427A
公开(公告)日：2011-06-30
申请号：JP2010257127
申请日：2010-11-17
申请人： Kyoto Univ , Nippon Telegr & Teleph Corp , 国立大学法人京都大学 , 日本電信電話株式会社
发明人： KUDO RIICHI , MURAKAMI TOMOKI , MIZOGUCHI MASATO , FUJISHIMA YASUO , HAYASHI KAZUNORI , SAKAI HIDEAKI
IPC分类号： H04B7/015 , H04B7/10 , H04B7/15
摘要： PROBLEM TO BE SOLVED: To provide a sneak canceler which can cancel an interference signal that turns to a receiver from a transmitter even when the transmitter has a large amplification factor.
SOLUTION: A sneak canceler includes a plurality of weight multipliers for multiplying a received signal by a plurality of weight coefficients corresponding to each element of a receiving array antenna, an adder for adding an output of the weight multiplier to an output of a virtual path weight multiplier, a subtractor for subtracting a feedback signal from an output signal of the adder and outputting the subtracted signal as an error signal, a whitening filter for whitening the error signal, a delay line for causing the error signal to be delayed and outputting the delayed signal to the transmitter as an output signal, an adaptive filter for outputting the signal being an output signal to the transmitter to the subtractor as the feedback signal, a control module for controlling the adaptive filter based on the output of the whitening filter so that an interference signal is minimized, and a weight-variable control device for controlling a plurality of weight coefficients corresponding to the respective elements so that an error between an array output signal and a known input signal is minimized.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使当发射机具有大的放大因子时，也可以提供一种能够消除从发射机转向接收机的干扰信号的潜行消除器。解决方案：潜行消除器包括多个权重乘法器，用于将接收信号乘以对应于接收阵列天线的每个元件的多个加权系数，加法器，用于将加权乘法器的输出与虚拟路径加权乘法器，用于从加法器的输出信号中减去反馈信号并输出相减信号作为误差信号的减法器，用于使误差信号变白的白化滤波器，用于使误差信号延迟的延迟线; 将延迟的信号作为输出信号输出到发射机;自适应滤波器，用于将作为输出信号的信号作为反馈信号输出到发射机到减法器;控制模块，用于基于白化滤波器的输出来控制自适应滤波器使得干扰信号最小化，并且用于控制多个权重系数的权重可变控制装置对应以使得阵列输出信号和已知输入信号之间的误差最小化。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2013106142A Reception method and receiver of radio signal 有权
标题翻译：无线电信号的接收方法和接收器
公开(公告)号：JP2013106142A
公开(公告)日：2013-05-30
申请号：JP2011247731
申请日：2011-11-11
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Kyoto Univ , 国立大学法人京都大学
发明人： KUDO RIICHI , MURAKAMI TOMOKI , ISHIHARA KOICHI , MIZOGUCHI MASATO , HAYASHI KAZUNORI , TAKENAKA SHINJI , KANEKO MEGUMI , SAKAI HIDEAKI
IPC分类号： H04B7/10 , H04B7/08 , H04J11/00
摘要： PROBLEM TO BE SOLVED: To improve the extraction effect of a desired signal in a selective fading environment if an interference signal is received in a receiver which improves communication quality.SOLUTION: A reception method improves a signal quality of a desired wave by controlling the filter coefficients of analog filters about which a plurality of delay elements and a plurality of multiplication elements multiplying the filter coefficient are respectively connected to a plurality of reception antennas. The reception method comprises the steps of: estimating an impulse response between an antenna transmitting a desired signal and a reception antenna before reception processing; calculating a filter coefficient vector comprised of a plurality of filter coefficients of the plurality of analog filters by use of the estimated impulse response; and performing weighting processing to received signals input from respective reception antennas by the calculated filter coefficient vector. The reception method is characterized by calculating the filter coefficient by minimizing a prescribed relational expression under a prescribed condition.
摘要翻译：要解决的问题：如果在接收机中接收到干扰信号以提高通信质量，则在选择性衰落环境中提高期望信号的提取效果。解决方案：接收方法通过控制多个延迟元件和乘以滤波器系数的多个乘法元件分别连接到多个接收天线的模拟滤波器的滤波器系数来提高期望波的信号质量。接收方法包括以下步骤：在接收处理之前估计发射期望信号的天线与接收天线之间的脉冲响应; 通过使用估计的脉冲响应来计算由多个模拟滤波器的多个滤波器系数组成的滤波器系数矢量; 对由各接收天线输入的接收信号进行加权处理。接收方法的特征在于通过在规定条件下使规定的关系表达式最小化来计算滤波器系数。版权所有（C）2013，JPO＆INPIT

3. 发明专利

JP2014017800A Radio communication system and radio communication method 有权
标题翻译：无线电通信系统和无线电通信方法
公开(公告)号：JP2014017800A
公开(公告)日：2014-01-30
申请号：JP2012228070
申请日：2012-10-15
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Kyoto Univ , 国立大学法人京都大学
发明人： ISHIHARA KOICHI , KUDO RIICHI , MIZOGUCHI MASATO , YAMAMOTO TAKASHI , HANADA KOHEI
IPC分类号： H04W28/16 , H04W24/10 , H04W84/12
摘要： PROBLEM TO BE SOLVED: To enhance efficiency of radio communication in a radio communication system in which interference signals are generated by interference sources existing in the vicinity.SOLUTION: A radio communication system comprises a centralized control station and base station devices controlled by the centralized control station, which perform radio communication with terminal devices. The base station device collects pieces of communication quality information of other radio devices, and notifies the centralized control station of the collected pieces of communication quality information. The centralized control station determines communication parameters for each base station device on the basis of the pieces of communication quality information reported by the base station device, and notifies the base station device of the determined communication parameters. The base station device sets parameters to be used for radio communication with the terminal devices to the parameters transmitted from the centralized control station.
摘要翻译：要解决的问题：提高无线电通信系统中的无线电通信的效率，其中存在干扰源产生干扰信号。解决方案：无线电通信系统包括集中控制站和由集中控制控制的基站设备与终端设备进行无线电通信。基站装置收集其他无线装置的通信质量信息，向集中控制站通知所收集的通信质量信息。集中控制站根据基站装置报告的通信质量信息，确定各基站装置的通信参数，并通知基站装置所确定的通信参数。基站装置将用于与终端装置的无线通信的参数设定为从集中控制站发送的参数。

4. 发明专利

JP2013115503A Radio communication system 有权
标题翻译：无线电通信系统
公开(公告)号：JP2013115503A
公开(公告)日：2013-06-10
申请号：JP2011257896
申请日：2011-11-25
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Kyoto Univ , 国立大学法人京都大学
发明人： KUDO RIICHI , ISHIHARA KOICHI , MURAKAMI TOMOKI , MIZOGUCHI MASATO , YAMAMOTO TAKASHI
IPC分类号： H04W72/08 , H04W16/04
摘要： PROBLEM TO BE SOLVED: To improve the efficiency of radio communication in a radio communication system in which there is another radio communication device using an overlapping frequency in the vicinity and an interference signal is generated.SOLUTION: A radio communication system comprises a central control station and a plurality of base station devices connected with the central control station. The base station device of the radio communication system performing radio communication in the environment in which an interference signal is received by the base station device estimates interference-related information which is information on the interference signal, notifies the central control station of the estimated interference-related information, and changes a channel used for radio communication with a terminal device to a channel of which the central control station gave notice. The central control station calculates through-put indicators of two or more channel candidates among channel candidates including a plurality of channels with different frequency bands for each base station device, determines a channel for the base station device on the basis of the calculated through-put indicators, and notifies the base station device of the determined channel.
摘要翻译：解决的问题：为了提高无线通信系统中的无线通信的效率，在无线通信系统中，存在使用附近的重叠频率的另一无线通信装置和产生干扰信号。解决方案：无线电通信系统包括中央控制站和与中央控制站连接的多个基站设备。在由基站装置接收到干扰信号的环境中进行无线通信的无线通信系统的基站装置估计作为干扰信号的信息的干扰相关信息，向中央控制站通知估计的干扰信号，将与终端装置的无线通信用的信道变更为中央控制站通知的信道。中央控制站在每个基站装置中计算包括具有不同频带的多个信道的信道候选之间计算两个或更多个信道候选的通配指示符，基于计算的通过量确定基站装置的信道指示符，并将确定的信道通知给基站装置。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2012019451A Sneak canceller, and sneak cancelling method 有权
标题翻译： SNEAK CANCELLER和SNEAK CANCELING方法
公开(公告)号：JP2012019451A
公开(公告)日：2012-01-26
申请号：JP2010156768
申请日：2010-07-09
申请人： Kyoto Univ , Nippon Telegr & Teleph Corp , 国立大学法人京都大学 , 日本電信電話株式会社
发明人： KUDO RIICHI , MURAKAMI TOMOKI , MIZOGUCHI MASATO , HAYASHI KAZUNORI , SAKAI HIDEAKI , FUJISHIMA YASUO
IPC分类号： H04B7/015 , H04B7/208
CPC分类号： Y02D70/00 , Y02D70/44 , Y02D70/446
摘要： PROBLEM TO BE SOLVED: To reduce reception power of an interference signal which sneaks from a transmitter into a receiver in a repeater station, with regard to signals output from the receiver equipped in the repeater station.SOLUTION: A sneak canceller 3 comprises: equalizers 300-1 to 300-m which perform equalization processing to reduce the reception power of interference signals sneaked from a transmitter 309, for analog reception signals received by antenna elements equipped in receivers 330-1 to 330-M by using filter coefficients calculated during a period when a wireless signal is not received; and a digital signal processing unit 30 which quantizes the reception signals subjected to equalization processing in the equalizers 300-1 to 300-m, suppresses interference signals contained in the quantized reception signals based on the transfer function of a sneak route from the transmitter 309 to the receivers 330-1 to 330-M, and outputs a digital reception signal where the interference signals are suppressed to the transmitter 309 while converting the digital reception signal into an analog transmission signal.
摘要翻译：要解决的问题：关于从中继站中配备的接收机输出的信号，减少从发射机到中继站中的接收机中潜入的干扰信号的接收功率。解决方案：潜行消除器3包括：均衡器300-1至300-m，其执行均衡处理以减少从发射机309潜入的干扰信号的接收功率，用于由接收机330中配备的天线元件接收的模拟接收信号，通过使用在未接收到无线信号的时段期间计算的滤波器系数，从1到330-M; 以及量化在均衡器300-1至300-m中进行均衡处理的接收信号的数字信号处理单元30，基于从发送器309到发送器309的潜行路由的传递函数，抑制包含在量化的接收信号中的干扰信号接收器330-1至330-M，并且在将数字接收信号转换为模拟传输信号的同时，将干扰信号抑制的数字接收信号输出到发射机309。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2014230093A 無線通信システム、集中制御局及び無線通信方法有权
标题翻译：无线电通信系统，集中控制站和无线电通信方法
公开(公告)号：JP2014230093A
公开(公告)日：2014-12-08
申请号：JP2013108313
申请日：2013-05-22
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp , 国立大学法人京都大学 , Kyoto Univ
发明人： ISHIHARA KOICHI , KUDO RIICHI , MIZOGUCHI MASATO , YAMAMOTO TAKASHI , HANADA KOHEI
IPC分类号： H04W88/12 , H04W84/12 , H04W92/12
摘要：【課題】干渉源が近隣に存在し干渉信号が生じている無線通信システムにおいて、集中制御局の演算負荷を軽減しながら、無線通信の効率を向上させる。【解決手段】集中制御局10と、端末装置と無線通信する基地局装置20とを備えた無線通信システムにおいて、集中制御局10は、各基地局装置20から当該基地局装置の無線通信に関する情報と、他の基地局装置20、または他の無線局装置20及びその配下端末装置の無線通信に関する情報とを示す基地局装置情報を受信する。集中制御局10は、受信した基地局装置情報に基づいて、制御対象の基地局装置20選択してグルーピングすると、基地局装置情報に基づいて、グルーピングされた基地局装置群ごとに通信パラメータを決定し、決定した通信パラメータを基地局装置20に通知する。基地局装置20は、端末装置との無線通信に用いるパラメータを、集中制御局10から通知されたパラメータに設定する。【選択図】図1
摘要翻译：要解决的问题：提高无线电通信的效率，同时减少干扰源位于附近的无线电通信系统中的集中式控制站的计算负担并产生干扰信号。解决方案：无线电通信系统包括集中控制站10和用于通过空气与终端装置进行通信的基站装置20。集中控制站10从基站装置20接收表示基站装置的无线通信信息的基站装置信息和其他基站装置20或其他无线台装置20及其下位终端的无线通信信息设备。集中控制站10基于接收到的基站装置信息选择并分组控制对象基站装置20，然后确定每个分组的基站组的通信参数，并将确定的通信参数通知给基站装置20。基站装置20将集中控制站10所公开的参数设定为与终端装置的无线通信中使用的参数。

7. 发明专利

JP2013106161A Reception method and receiver for radio signal 有权
标题翻译：无线电信号的接收方法和接收机
公开(公告)号：JP2013106161A
公开(公告)日：2013-05-30
申请号：JP2011248039
申请日：2011-11-11
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Kyoto Univ , 国立大学法人京都大学
发明人： KUDO RIICHI , MURAKAMI TOMOKI , ISHIHARA KOICHI , MIZOGUCHI MASATO , HAYASHI KAZUNORI , TAKENAKA SHINJI , KANEKO MEGUMI , SAKAI HIDEAKI
IPC分类号： H04J99/00 , H04J11/00
摘要： PROBLEM TO BE SOLVED: To make it possible to receive a desired signal from packet signals arriving asynchronously while suppressing an interference signal.SOLUTION: A reception method for a receiver having a plurality of antennas includes the steps of: receiving a signal through an analog filter; determining whether the received signal is an interference signal or a desired signal, on the basis of whether or not the received signal is addressed to the receiver; and updating respective array weights of at least one of an interference signal analog filter and a desired signal analog filter by using interference channel information when it is determined that the received signal is the interference signal, and updating the respective array weights of at least one of the interference signal analog filter and the desired signal analog filter by using channel information when it is determined that the received signal is the desired signal. In updating the array weights; the respective array weights are updated immediately when the received signal is the interference signal, and the respective array weights are updated after completing decoding of data when the received signal is the desired signal.
摘要翻译：要解决的问题：使得可以在抑制干扰信号的同时异步到达的分组信号中接收期望的信号。解决方案：具有多个天线的接收机的接收方法包括以下步骤：通过模拟滤波器接收信号; 根据接收到的信号是否寻址到接收机，确定接收信号是干扰信号还是期望信号; 以及当确定接收到的信号是干扰信号时，通过使用干扰信道信息来更新干扰信号模拟滤波器和期望信号模拟滤波器中的至少一个的相应阵列权重，并且更新相应的阵列权重干扰信号模拟滤波器和所需信号模拟滤波器，当确定接收到的信号是期望的信号时，通过使用信道信息。在更新数组权重时; 当接收到的信号是干扰信号时立即更新相应的阵列权重，并且当接收到的信号是期望的信号时完成数据解码之后，更新相应的阵列权重。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2014017738A Transmission station device and radio communication method 有权
标题翻译：传输站设备和无线电通信方法
公开(公告)号：JP2014017738A
公开(公告)日：2014-01-30
申请号：JP2012154954
申请日：2012-07-10
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MURAKAMI TOMOKI , KUDO RIICHI , ISHIHARA KOICHI , ICHIKAWA TAKEO , MIZOGUCHI MASATO
IPC分类号： H04J99/00 , H04B7/04 , H04J11/00
摘要： PROBLEM TO BE SOLVED: To reduce signal errors in simultaneously transmitting signals to a plurality of reception station devices at the same frequency.SOLUTION: A base station 100 uses transmission channel information given by terminal stations 101-1 and 101-2 to calculate broadcast weight to be used for transmitting same data to the terminal stations 101-1 and 101-2 and unicast weight to be used for transmitting different data to the terminal stations 101-1 and 101-2. The base station 100 compares signals to be simultaneously transmitted to the respective terminal stations 101-1 and 101-2 for each OFDM symbol, generates transmission signals by using the broadcast weight if the signals are same, and generates transmission signals by using the unicast weight if the signals are different. Then, the base station 100 simultaneously outputs the transmission signals generated at the same frequency by radio from a plurality of antennas.
摘要翻译：要解决的问题：减少以相同频率同时向多个接收站装置发送信号的信号错误。解决方案：基站100使用终端站101-1和101-2给出的传输信道信息来计算广播权重用于向终端站101-1和101-2发送相同的数据，以及用于向终端站101-1和101-2发送不同数据的单播权重。基站100对于每个OFDM符号将要同时发送的信号与各个终端站101-1,101-2进行比较，如果信号相同，则使用广播权重来生成发送信号，并且通过使用单播权重来生成发送信号如果信号不同。然后，基站100通过无线从多个天线同时输出以相同频率生成的发送信号。

9. 发明专利

JP2013219459A Radio communication system, access point device, and radio communication method 有权
标题翻译：无线电通信系统，接入点设备和无线电通信方法
公开(公告)号：JP2013219459A
公开(公告)日：2013-10-24
申请号：JP2012086395
申请日：2012-04-05
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： MURAKAMI TOMOKI , KUDO RIICHI , ICHIKAWA TAKEO , MIZOGUCHI MASATO , HONMA NAOKI
IPC分类号： H04W16/28 , H04B7/04 , H04W92/20
CPC分类号： Y02D70/00 , Y02D70/444
摘要： PROBLEM TO BE SOLVED: To reduce interference power between communication cells and improve throughput of each communication cell in a situation in which a plurality of communication cells are in proximity to each other.SOLUTION: A freedom degree calculation unit 104 calculates the maximum number of characteristic value as an antenna freedom degree number among combinations of characteristic values of propagation channels with a station device 200 in a range where the sum does not exceed a prescribed permissible interference amount. A transmission signal generation unit 105 generates a transmission signal by calculating a transmission weight for interference suppression on the basis of the antenna freedom degree number. An update unit 107 updates the prescribed permissible interference amount so that it will become largest on the basis of the sum of throughput obtained from the station device 200. A throughput calculation unit 203 calculates throughput from a received signal. A throughput information signal generation unit 204 generates a throughput information signal including the throughput. A radio unit 202 transmits the throughput information signal to an access point 100.
摘要翻译：要解决的问题：在多个通信小区彼此接近的情况下，为了减少通信小区之间的干扰功率，提高每个通信小区的吞吐量。自由度计算单元104计算最大特性数作为在没有超过规定的允许干扰量的范围内的站装置200的传播路径的特征值的组合中的天线自由度数的值。传输信号生成单元105通过基于天线自由度数计算干扰抑制的发送权重来生成发送信号。更新单元107基于从站设备200获得的吞吐量的总和来更新规定的允许干扰量，使其变为最大。吞吐量计算单元203从接收信号计算吞吐量。吞吐量信息信号生成单元204生成包含吞吐量的吞吐量信息信号。无线电单元202将吞吐量信息信号发送到接入点100。

10. 发明专利

JP2013179705A Frequency domain multiplex signal reception method and frequency domain multiplex signal reception device 有权
标题翻译：频域多信号接收方法和频域多信号信号接收装置
公开(公告)号：JP2013179705A
公开(公告)日：2013-09-09
申请号：JP2013126142
申请日：2013-06-14
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KUDO RIICHI , KOBAYASHI TAKAYUKI , ISHIHARA KOICHI , TAKATORI TAIJI , NOSAKA HIDEYUKI , MATSUI MUNEHIRO , MIZOGUCHI MASATO , NAKAGAWA TADAO , YAMAZAKI ETSUSHI , SANO AKIHIDE , MIYAMOTO YUTAKA , YOSHIDA EIJI
IPC分类号： H04J11/00
CPC分类号： H04L27/2672 , H04L25/03159 , H04L27/2633 , H04L27/265 , H04L27/266 , H04L2025/03414
摘要： PROBLEM TO BE SOLVED: To achieve sampling at a frequency lower than a frequency twice as high as a frequency domain of a reception signal.SOLUTION: A frequency domain multiplex signal reception method that decodes a reception signal multiplexed in a frequency domain includes: a digital signal acquisition step of acquiring a digital signal from the reception signal multiplexed in the frequency domain; a branching step of branching the acquired digital signal by the number of frequency channels to be decoded; an initial coefficient storage step of storing different coefficients of low correlation as initial weights for respective branched signal sequences; an equalization step of equalizing the respective branched signal sequences with the different coefficients; and a decoding step of decoding the respective equalized signal sequences.
摘要翻译：要解决的问题：以低于接收信号的频域的两倍的频率的频率进行采样。解码：对频域中多路复用的接收信号进行解码的频域复用信号接收方法包括：数字信号获取步骤，从在频域中复用的接收信号中获取数字信号; 分支步骤，将所获取的数字信号转换为待解码的频道数; 初始系数存储步骤，将不相关的低相关系数存储为各个分支信号序列的初始权重; 均衡步骤，使各个分支信号序列与不同的系数相等; 以及对各均衡信号序列进行解码的解码步骤。

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