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1. 发明专利

JP2012019425A Radio communication system, and transmission device and reception device 审中-公开
标题翻译：无线电通信系统和传输设备和接收设备
公开(公告)号：JP2012019425A
公开(公告)日：2012-01-26
申请号：JP2010156389
申请日：2010-07-09
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： TANIGUCHI EIJI , HIRANO YOSHIHITO , SHIMOZAWA MITSUHIRO , TAKAGI SUNAO , KAMEDA TAKU , SUEMATSU KENJI , TSUBOUCHI KAZUO
IPC分类号： H04J1/00 , H04B7/12 , H04J11/00 , H04W28/18
摘要： PROBLEM TO BE SOLVED: To provide a radio communication system which communicates adaptively in an optimal radio mode depending on a propagation path state.SOLUTION: A radio communication system comprises: a transmission device 1 which switches multiple radio modes; and a reception device 2 which receives multiple radio modes simultaneously. The transmission device 1 comprises: a transmission circuit 5; and a switching control circuit 6. The transmission circuit 5 includes a data modulation circuit 39 which converts a transmission signal 102 of a data sequence into a transmission signal 103 of a symbol sequence, a plurality of modulation circuits 3a-3k corresponding to respective radio modes, and a switching circuit 4 which selects a modulation circuit. The reception device 2 comprises a reception circuit 8 and a propagation path estimation evaluation circuit 9. The reception circuit 8 includes a plurality of demodulation circuits 7a-7k corresponding to respective radio modes, and a plurality of data demodulation circuits 40a-40k. The switching control circuit 6 controls the switching circuit 4 to switch radio modes of a transmission signal based on control information 106 from the propagation path estimation evaluation circuit 9.
摘要翻译：要解决的问题：提供一种根据传播路径状态以最佳无线电模式自适应地进行通信的无线电通信系统。解决方案：无线电通信系统包括：切换多种无线电模式的传输设备1; 以及同时接收多个无线模式的接收装置2。发送装置1包括：发送电路5; 发送电路5包括将数据序列的发送信号102转换为符号序列的发送信号103的数据调制电路39，与各个无线模式对应的多个调制电路3a〜3k 以及选择调制电路的切换电路4。接收装置2包括接收电路8和传播路径估计评估电路9.接收电路8包括与各个无线电模式对应的多个解调电路7a-7k和多个数据解调电路40a-40k。切换控制电路6控制切换电路4，根据来自传播路径估计评估电路9的控制信息106切换发送信号的无线模式。（C）2012，JPO＆INPIT

2. 发明专利

JP2009194722A Communication device 有权
标题翻译：通信设备
公开(公告)号：JP2009194722A
公开(公告)日：2009-08-27
申请号：JP2008034763
申请日：2008-02-15
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： NAKASE HIROYUKI , GHEORGHIU VALENTIN , KAMEDA TAKU , TAKAGI SUNAO , TSUBOUCHI KAZUO , ADACHI FUMIYUKI , MIYAZAKI MORIYASU
IPC分类号： H04B7/005 , H04B1/16 , H04B3/06
摘要： PROBLEM TO BE SOLVED: To obtain a communication device capable of obtaining excellent characteristics by correcting device distortion and propagation distortion.
SOLUTION: The communication device for reception includes: a high frequency demodulation circuit 2 for converting a received signal into a baseband signal; an analog/digital conversion circuit 3 for converting the baseband signal converted by the high frequency demodulation circuit into a digital signal; and a baseband demodulation circuit 5 which demodulates the baseband signal from the digital signal converted by the analog/digital conversion circuit and outputs the demodulated baseband signal, wherein, between the analog/digital conversion circuit 3 and the baseband demodulation circuit 5, a frequency equalization circuit 4 for reception is provided which corrects device distortion and propagation distortion.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够通过校正装置失真和传播失真而获得优异特性的通信装置。解决方案：用于接收的通信装置包括：用于将接收信号转换为基带信号的高频解调电路2; 用于将由高频解调电路转换的基带信号转换为数字信号的模拟/数字转换电路3; 基带解调电路5，对来自模拟/数字转换电路的数字信号进行基带信号的解调，并输出解调后的基带信号，在模/数转换电路3与基带解调电路5之间，进行频率均衡提供用于接收的电路4，其校正设备失真和传播失真。版权所有（C）2009，JPO＆INPIT

3. 发明专利

JP2014086912A Frequency domain equalization circuit and control method of frequency domain equalization circuit 有权
标题翻译：频域均衡电路和频域均衡电路的控制方法
公开(公告)号：JP2014086912A
公开(公告)日：2014-05-12
申请号：JP2012234918
申请日：2012-10-24
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： KOMATSU KAZUHIRO , KAMEDA TAKU , SUEMATSU KENJI , TAKAGI SUNAO , TSUBOUCHI KAZUO , INAGAKI RYUJI , TSURU MASAOMI , TANIGUCHI EIJI
IPC分类号： H04B7/005 , H03H17/02 , H03H21/00 , H04B3/10 , H04J11/00
摘要： PROBLEM TO BE SOLVED: To obtain a frequency domain equalization circuit in which the numbers of packaging circuits of FFT circuits and IFFT circuits are reduced within such a range that desired throughput can be achieved.SOLUTION: The frequency domain equalization circuit comprises: a channel estimation circuit which estimates a channel with frequency distortion while including one FFT/IFFT duplexer circuit, at N points (N is a positive integer) for channel estimation, in which selectors are connected at an input side and an output side and input and output can be switched, respectively; a data equalization circuit which performs equalization processing of a data signal in accordance with noise of a channel estimated by the channel estimation circuit while including one FFT circuit at M points (M is a positive integer and N≤M) for data equalization and one IFFT circuit at M points for data equalization in which selectors are connected at an input side and an output side and input and output can be switched, respectively; and a control section which connects the selectors and performs switching control on switching of FFT and IFFT in the FFT/IFFT duplexer circuit.
摘要翻译：要解决的问题：获得频域均衡电路，其中FFT电路和IFFT电路的封装电路的数量在可以实现期望的吞吐量的范围内减小。解决方案：频域均衡电路包括：信道估计在包括一个FFT / IFFT双工器电路的频率失真的信道中，在用于信道估计的N个点（N是正整数）处，其中选择器连接在输入侧，输入端和输入端可以是分别切换; 一种数据均衡电路，其根据由信道估计电路估计的信道的噪声执行数据信号的均衡处理，同时包括用于数据均衡的M个点（M为正整数和N≤M）的一个FFT电路和一个IFFT 在M点的电路分别用于数据均衡，其中选择器连接在输入侧，输出端和输入和输出分别被切换; 以及连接选择器的控制部，对FFT / IFFT双工器电路中的FFT和IFFT的切换进行切换控制。

4. 发明专利

JP2010016702A High frequency circuit 审中-公开
标题翻译：高频电路
公开(公告)号：JP2010016702A
公开(公告)日：2010-01-21
申请号：JP2008175919
申请日：2008-07-04
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： MIYAZAKI MORIYASU , KAMEDA TAKU , TAKAGI SUNAO , TSUBOUCHI KAZUO , OSHIMA SHOICHI
IPC分类号： H03H7/21 , H03D7/14 , H03H7/48
摘要： PROBLEM TO BE SOLVED: To obtain a high frequency circuit including a wide-band and high-accuracy 90° phase distribution function wherein a phase error generated in a 90° phase distributor can be eliminated when distributing at 90° a phase of as local oscillation signal of a quadrature modulator or a quadrature demodulator.
SOLUTION: The high frequency circuit includes: a 90° phase distributor 11 to which a sine wave signal is input and which generates a first output signal A having the same frequency as that of the sine wave signal and a second output signal B having a phase difference at 90° from the sine wave signal; an adder circuit 12 which performs addition processing on the first and second output signals A and B to output results thereof from an output terminal 15; and a subtractor circuit 13 which performs subtraction processing on the first and second output signals A and B to output the results thereof from an output terminal 16.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了获得包括宽带和高精度90°相位分布函数的高频电路，其中在90°相位分配器中产生的相位误差可以在90°相位分布时被消除作为正交调制器或正交解调器的本地振荡信号。解决方案：高频电路包括：输入正弦波信号的90°相位分配器11，并产生与正弦波信号相同频率的第一输出信号A和第二输出信号B 具有与正弦波信号成90°的相位差; 对第一和第二输出信号A和B执行加法处理以从输出端子15输出结果的加法器电路12; 以及减法器电路13，对第一和第二输出信号A和B执行减法处理，以从输出端子16输出其结果。（C）2010年，JPO和INPIT

5. 发明专利

JP2008017415A Wireless communication system 有权
标题翻译：无线通信系统
公开(公告)号：JP2008017415A
公开(公告)日：2008-01-24
申请号：JP2006189285
申请日：2006-07-10
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： TSUBOUCHI KAZUO , TAKAGI SUNAO , NAKASE HIROYUKI , KAMEDA TAKU , OSHIMA SHOICHI , FUJIMURA AKINORI , SOGABE YASUSHI , ISHIZU FUMIO
IPC分类号： H04J1/00 , H04B7/06 , H04B7/12
摘要： PROBLEM TO BE SOLVED: To obtain a wireless communication system that has a wireless transmission device, which is provided with a highly-efficient amplifier and facilitates its configuration, and a wireless receiver.
SOLUTION: The wireless transmission device 10 is provided with a serial-parallel converter 11, a constant envelope modulator 12 and a D/A converter 13 which modulate a digital signal of each channel to a constant envelope modulated signal respectively so as to convert the digital signal into an analog signal, a frequency converter 14 for converting the signal of each channel into a different carrier frequency, the amplifier 15 for amplifying the constant envelope modulated signal of each channel, and an antenna 19 that wirelessly transmits the amplified signal into space for each channel. The wireless receiver 20 is provided with an antenna 21, a demultiplexer 22 for demultiplexing a received signal, a frequency converter 23 and an A/D converter 24 which convert the signal of each channel into a baseband frequency so as to convert the signal into the digital signal, a constant envelope demodulator 25 for demodulating the constant envelop demodulated signal of each channel, and a parallel-serial converter 26 that restores the original input digital signal from the digital signal demodulated for each channel.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有设置有高效放大器并且便于其配置的无线传输设备的无线通信系统和无线接收器。解决方案：无线传输设备10设置有串行 - 并行转换器11，恒定包络调制器12和D / A转换器13，其分别将每个通道的数字信号调制到恒定包络调制信号，以便将数字信号转换成模拟信号，用于将每个信道的信号转换成不同载波频率的频率转换器14，用于放大每个信道的恒定包络调制信号的放大器15以及无线发送放大信号的天线19 进入每个通道的空间。无线接收机20设置有天线21，用于解复用接收信号的解复用器22，频率转换器23和A / D转换器24，其将每个信道的信号转换为基带频率，以将信号转换为数字信号，用于解调每个通道的恒定包络解调信号的恒定包络解调器25以及从为每个通道解调的数字信号恢复原始输入数字信号的并行串行转换器26。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2014192807A Reception device and reception method 有权
标题翻译：接收设备和接收方法
公开(公告)号：JP2014192807A
公开(公告)日：2014-10-06
申请号：JP2013068359
申请日：2013-03-28
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： TA TUAN THANH , KAMEDA TAKU , SUEMATSU KENJI , TAKAGI SUNAO , TSUBOUCHI KAZUO , INAGAKI RYUJI , TSURU MASAOMI , TANIGUCHI EIJI
IPC分类号： H04B7/08 , H04L27/22
CPC分类号： Y02D70/00 , Y02D70/442 , Y02D70/444
摘要： PROBLEM TO BE SOLVED: To provide a reception device and a reception method capable of reducing costs, power consumption and signal processing amount.SOLUTION: A reception device comprises: a plurality of LPF 21, installed in association with I channel signals and Q channel signals to be output from a plurality of BB phase shifters 13, for allowing only low frequency components of a predetermined frequency or less to pass; a plurality of low speed ADC 22, respectively connected to the plurality of LPF 21, for converting the I channel signals and the Q channel signals of the low frequency components into digital signals; and a DSP 23 for extracting a phase difference between a plurality of antenna elements from the outputs of the plurality of low speed ADC 22, and for controlling the plurality of BB phase shifters 13 such that the phases of the I channel signals and the Q channel signals to be output from the plurality of BB phase shifters 13 are aligned.
摘要翻译：要解决的问题：提供能够降低成本，功耗和信号处理量的接收装置和接收方法。解决方案：接收装置包括：多个LPF 21，其与I信道信号和Q信道信号相关联地安装从多个BB移相器13输出，仅允许预定频率或更小频率的低频分量通过; 分别连接到多个LPF21的多个低速ADC22，用于将低频分量的I信道信号和Q信道信号转换为数字信号; 以及DSP23，用于从多个低速ADC22的输出中提取多个天线元件之间的相位差，并且用于控制多个BB移相器13，使得I通道信号和Q通道的相位从多个BB移相器13输出的信号被对准。

7. 发明专利

JP2008219081A Balun 有权
标题翻译： BALUN
公开(公告)号：JP2008219081A
公开(公告)日：2008-09-18
申请号：JP2007049366
申请日：2007-02-28
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： TSUBOUCHI KAZUO , TAKAGI SUNAO , NAKASE HIROYUKI , KAMEDA TAKU , ISODA YOJI , NAKAJIMA KENSUKE
IPC分类号： H01P5/10 , H01L21/822 , H01L27/04
摘要： PROBLEM TO BE SOLVED: To reduce size, and improve performance, such as broadband performance. SOLUTION: A first wiring pattern 200 comprises terminals A, C and a first C-shaped line pattern 2 connecting the terminals A, C. A second wiring pattern 300 comprises terminals D, F and a second C-shaped line pattern 3 connecting the terminals D, F. The first and second line patterns 2, 3 are laminated via a planar dielectric 1 so that openings do not overlap while being shifted each other by 180°. The terminals A, C are connected to a first transmission line 4, and the terminals D, F are connected to second and third transmission lines 6, 7, respectively. Nearly the center section of the first line pattern 2 is electrically connected to a ground conductor 5 of the second and third transmission lines 6, 7 by a connection circuit 8. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：减小大小，提高性能，如宽带性能。解决方案：第一布线图案200包括端子A，C和连接端子A，C的第一C形线图案2.第二布线图案300包括端子D，F和第二C形线图案3 连接端子D，F。第一线图案2,3和第二线图案3通过平面电介质1层叠，使得开口不重叠，同时彼此偏移180°。端子A，C连接到第一传输线4，端子D，F分别连接到第二和第三传输线6,7。第一线路图形2的几乎中心部分通过连接电路8电连接到第二和第三传输线6,7的接地导体5.版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008172360A Operation circuit and wireless communication apparatus employing it 有权
标题翻译：操作电路和无线通信设备
公开(公告)号：JP2008172360A
公开(公告)日：2008-07-24
申请号：JP2007001760
申请日：2007-01-09
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： FUJIMURA AKINORI , TAKAGI SUNAO , NAKASE HIROYUKI , ISHIZU FUMIO , SOGABE YASUSHI , TSUBOUCHI KAZUO , KAMEDA TAKU
IPC分类号： H04L27/00
摘要： PROBLEM TO BE SOLVED: To attain high speed operation while reducing the circuit scale.
SOLUTION: An operation circuit for determining an approximation straight line by a method of least square using a plurality of sample data comprises a means for decimating predetermined data from sample data stored in a memory 3, an operating section 4 for determining an approximation straight line by a method of least square using decimated data, and an operating means 7 for approximating the denominator of division operation in the operating section 4 to the power of 2. Consequently, high speed operation can be attained while reducing the circuit scale.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：在减小电路规模的同时实现高速运行。解决方案：一种用于通过使用多个样本数据的最小二乘法的方法来确定近似直线的运算电路包括用于从存储在存储器3中的采样数据中抽取预定数据的装置，用于确定近似值的操作部分4 通过使用抽取数据的最小平方法的直线，以及用于将操作部分4中的除法运算的分母近似为2的操作装置7.因此，可以在减小电路规模的同时获得高速运行。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2014093599A Array antenna device and method for controlling the same 有权
标题翻译：阵列天线装置及其控制方法
公开(公告)号：JP2014093599A
公开(公告)日：2014-05-19
申请号：JP2012241985
申请日：2012-11-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： YOSHIDA MASASHI , KAMEDA TAKU , SUEMATSU KENJI , TAKAGI SUNAO , TSUBOUCHI KAZUO , INAGAKI RYUJI , TSURU MASAOMI , TANIGUCHI EIJI
IPC分类号： H01Q3/26 , G01S3/04 , G01S7/02 , H01Q3/24 , H01Q21/08 , H01Q21/29
摘要： PROBLEM TO BE SOLVED: To provide an array antenna device or the like with which a desired gain can be obtained in a desired area without using many antenna elements by synthesizing the directivity of a plurality of sub array antennas to simultaneously use the sub array antennas.SOLUTION: An array antenna device includes: a plurality of sub array antennas each of which is provided on at least two faces or regions adjacent each other among a plurality of faces or regions of a substrate having a three-dimensional shape; and a control section simultaneously controlling sub array antennas provided on a plurality of faces or regions adjacent each other so as to synthesize the directivity of the sub array antennas.
摘要翻译：要解决的问题：提供一种阵列天线装置等，通过合成多个子阵列天线的方向性同时使用子阵列天线，可以在期望的区域内获得期望的增益而不使用许多天线元件。解决方案：阵列天线装置包括：多个子阵列天线，每个子阵列天线设置在具有三维形状的基板的多个面或多个区域中彼此相邻的至少两个面或区域上; 以及控制部，同时控制设置在彼此相邻的多个面或区域上的子阵列天线，以便合成子阵列天线的方向性。

10. 发明专利

JP2010171533A Current mode ad converter 有权
标题翻译：电流模式AD转换器
公开(公告)号：JP2010171533A
公开(公告)日：2010-08-05
申请号：JP2009010127
申请日：2009-01-20
申请人： Mitsubishi Electric Corp , Tohoku Univ , 三菱電機株式会社 , 国立大学法人東北大学
发明人： MIYAZAKI MORIYASU , TANIGUCHI EIJI , SHIMOZAWA MITSUHIRO , NOZAWA KYOJI , KAMEDA TAKU , TAKAGI SUNAO , TSUBOUCHI KAZUO
IPC分类号： H03M1/14
摘要： PROBLEM TO BE SOLVED: To provide a current mode AD converter for improving linearity of a VIC and widening the band of an ADC.
SOLUTION: The current mode AD converter includes: a VI converter 10 for converting the input analog voltage value of differential signals to the input analog current value of operation signals; and a current mode pipeline type AD converter 15 which has an 1.5-bit redundant conversion function, for AD converting the input analog current value of the differential signals which is the output of the VI converter. The VI converter 10 includes: an amplifier whose voltage gain is -A times; a transistor wherein the input of the amplifier is connected to a source, the output of the amplifier is connected to a gate and negative feedback is applied; a resistor; and a constant current source.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种电流模式AD转换器，用于提高VIC的线性度并扩大ADC的频带。解决方案：电流模式AD转换器包括：VI转换器10，用于将差分信号的输入模拟电压值转换为操作信号的输入模拟电流值; 以及具有1.5位冗余转换功能的电流模式流水线型AD转换器15，用于AD转换作为VI转换器的输出的差分信号的输入模拟电流值。 VI转换器10包括：放大器，其电压增益为-A倍; 放大器的输入连接到源极的晶体管，放大器的输出端连接到栅极并施加负反馈; 一个电阻; 和恒流源。版权所有（C）2010，JPO＆INPIT

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