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1.发明授权Radio communication method and apparatus for multiplex transmission of plural signals in the same frequency band 有权用于在相同频带中多路传输多个信号的无线电通信方法和装置公开(公告)号：US07227906B2
公开(公告)日：2007-06-05
申请号：US10315993
申请日：2002-12-11
IPC分类号： H04L1/02
CPC分类号： H04B7/12 , H04B7/0613 , H04B7/0842 , H04L5/06
摘要： Different carrier frequencies are chosen for plural transmitters of a transmitting device and signals are transmitted at frequency bands overlapping each other. In the receiving device weighting coefficients are provided in input-to-output paths of an interchannel interference canceller 21 so that the cross correlation between output signals from the interchannel interference canceller is minimized.
摘要翻译： 为发射装置的多个发射机选择不同的载波频率，并且以彼此重叠的频带发射信号。 在接收设备中，加权系数被提供在通道间干扰消除器21的输入到输出路径中，使得来自通道间干扰消除器的输出信号之间的互相关被最小化。
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公开(公告)号：US07327996B2
公开(公告)日：2008-02-05
申请号：US10725002
申请日：2003-12-02
申请人： Ning Chen , Yoshiaki Tarusawa , Kei Satoh , Shoichi Narahashi , Noriyoshi Terada , Toshio Nojima
发明人： Ning Chen , Yoshiaki Tarusawa , Kei Satoh , Shoichi Narahashi , Noriyoshi Terada , Toshio Nojima
IPC分类号： H04B1/10
摘要： The invention relates to a high sensitivity receiver installed outdoors which may be used in a base station of a mobile communication system, for example. A received radio frequency signal is converted into a signal in a desired frequency band by a reception bandpass filter RXF3, is subject to a low noise amplification to a desired level by a low noise reception amplifier LNA4, and the amplified signal is converted into an optical signal by a laser diode LD5. RXF3, LNA4 and LD5 are confined in a heat shielding box. LD5 is cooled by cooling means to the order of critical temperature where RXF3, for example, assumes a superconducting state, whereby the dynamic range is increased and stabilized.
摘要翻译： 本发明涉及一种安装在户外的高灵敏度接收机，其可以在例如移动通信系统的基站中使用。 接收的射频信号由接收带通滤波器RXF 3转换成期望频带的信号，由低噪声接收放大器LNA4进行低噪声放大到期望的电平，并将放大的信号转换为 由激光二极管LD5的光信号。 RXF 3，LNA 4和LD 5被限制在隔热箱中。 LD 5通过冷却装置冷却至临界温度的顺序，其中RXF 3例如呈现超导状态，从而动态范围增加并稳定。
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3.发明授权Supergain array antenna system and method for controlling supergain array antenna 失效超级阵列天线系统及超阵阵天线控制方法公开(公告)号：US07203469B2
公开(公告)日：2007-04-10
申请号：US10310971
申请日：2002-12-06
申请人： Ryo Yamaguchi , Noriyoshi Terada , Toshio Nojima
发明人： Ryo Yamaguchi , Noriyoshi Terada , Toshio Nojima
IPC分类号： H04B1/04
CPC分类号： H01Q21/06 , H01Q3/2605 , H01Q3/30 , H01Q23/00
摘要： To provide a super directional gain in a multi-element array antenna. An array antenna comprising a plurality of antenna elements A-1–A-4 spaced at intervals (equal to or less than a quarter of a wavelength) that provides a supergain is used. A weight generator circuit generates weight data in accordance with phase difference and amplitude difference among the antenna elements A-1–A-4 and directivity data of each of the antenna elements A-1–A-4. The generated weight data is used to weight each of the antenna elements A-1–A-4.
摘要翻译： 在多单元阵列天线中提供超定向增益。 使用包括间隔（等于或小于四分之一波长））的多个天线元件A-1-A 4的阵列天线，其提供超级电平。 权重发生器电路根据天线元件A-1-A-4中的相位差和振幅差以及每个天线元件A-1-A-4的方向性数据产生加权数据。所产生的权重数据用于 对每个天线元件A-1-A-4进行加重。
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公开(公告)号：US06907269B2
公开(公告)日：2005-06-14
申请号：US09968511
申请日：2001-10-02
申请人： Ryo Yamaguchi , Noriyoshi Terada , Toshio Nojima
发明人： Ryo Yamaguchi , Noriyoshi Terada , Toshio Nojima
CPC分类号： H01Q1/246 , H01Q3/24 , H01Q3/2605
摘要： A mobile communication base station determines the oncoming direction of a radio wave with a simple arrangement and transmits a narrow angle beam in this direction. Received signals from a pair of wide angle beam antennae 21-1 and 21-2 having an equal configuration and a common orientation and which are located close to each other are fed to a direction finder receiver 22 and a communication receiver 15. By utilizing the fact that the both received signals have a coincident amplitude, a phase difference between the received signals is detected. The oncoming direction of the received radio wave (or the direction of a mobile station) is determined on the basis of the phase difference. A beam switcher 12 is controlled so as to connect a transmitter 13 to a narrow angle beam antenna (one of 11-1 to 11-4) which is directed in the oncoming direction thus determined.
摘要翻译： 移动通信基站以简单的配置来确定无线电波的迎面而来的方向，并在该方向上发送窄角度波束。 具有相同配置和共同定向并且彼此靠近的一对广角波束天线21-1和21-2的接收信号被馈送到方向取景器接收器22和通信接收器15。 通过利用两个接收信号具有一致幅度的事实，检测接收信号之间的相位差。 基于相位差确定所接收的无线电波的迎新方向（或移动台的方向）。 控制光束切换器12，以将发射机13连接到如此确定的迎面而来的方向上的窄角度波束天线（11-1至11-4之一）。
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公开(公告)号：US06392483B2
公开(公告)日：2002-05-21
申请号：US09854476
申请日：2001-05-15
申请人： Yasunori Suzuki , Toshio Nojima
发明人： Yasunori Suzuki , Toshio Nojima
IPC分类号： H03F100
CPC分类号： H03F1/3252 , H03F1/3235 , H03F2201/3212 , H03F2201/3218
摘要： In a feed-forward amplifier a signal power dynamic range compressing circuit for compressing the power dynamic range of the input signal to the feed-forward amplifier is provided in a distortion detecting loop at the input side of a main amplifier, and the output backoff of the main amplifier is reduced to thereby achieve high-efficiency amplification of the feed-forward amplifier.
摘要翻译： 在前馈放大器中，在主放大器的输入侧的失真检测环路中提供用于将输入信号的功率动态范围压缩到前馈放大器的信号功率动态范围压缩电路，并且输出退避 主放大器减少，从而实现前馈放大器的高效率放大。
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公开(公告)号：US06320464B1
公开(公告)日：2001-11-20
申请号：US09538281
申请日：2000-03-30
申请人： Yasunori Suzuki , Toshio Nojima
发明人： Yasunori Suzuki , Toshio Nojima
IPC分类号： H03F126
CPC分类号： H03F1/3229 , H03F1/0211 , H03F1/0261 , H03F1/0288 , H03F1/3235
摘要： In a distortion injection path (15) wherein a detected distortion component of a main amplifier (23) becomes amplified, distortion by an auxiliary amplifier (29a) is detected by an auxiliary distortion detector (42) composed of a variable attenuator (27a), a variable phase shifter (28a), a first auxiliary amplifier (29a), a delay line (36) and a phase inverter (37), and the detected distortion is cancelled by an auxiliary distortion canceller (43) composed of a variable attenuator (27b), a variable phase shifter (28a), a second auxiliary amplifier (29b) and a delay line (39), thereby increasing the efficiency of the amplifier.
摘要翻译： 在主放大器（23）的检测到的失真分量变得放大的失真注入路径（15）中，辅助放大器（29a）的失真由可变衰减器（27a）构成的辅助失真检测器（42）检测， 可变移相器（28a），第一辅助放大器（29a），延迟线（36）和相位逆变器（37），并且所检测的失真被辅助失真消除器（43）抵消，所述辅助失真消除器（43）由可变衰减器 27b），可变移相器（28a），第二辅助放大器（29b）和延迟线（39），从而提高放大器的效率。
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公开(公告)号：US06208204B1
公开(公告)日：2001-03-27
申请号：US09460707
申请日：1999-12-14
IPC分类号： H03F366
CPC分类号： H03F1/3229
摘要： In the balance adjustment using a pilot signal in a distortion detector and a distortion canceller of a feed-forward amplifier for amplifying a CDMA transmission signal, a pilot code is spread by a long code different from that of the CDMA transmission signal to obtain the pilot signal. The pilot signal is converted to a signal of the transmission frequency band, and the converted signal is injected into the transmission signal at the input side of the amplifier. The pilot signal frequency band is detected from the output of an auxiliary amplifier of the distortion canceller and converted to the base band, thereafter being despread to detect the pilot signal (code).
摘要翻译： 在使用失真检测器中的导频信号的平衡调整和用于放大CDMA发送信号的前馈放大器的失真消除器的情况下，导频码以与CDMA发送信号不同的长码进行扩频，以获得导频 信号。 将导频信号转换为发送频带的信号，并将转换的信号注入放大器的输入侧的发送信号。 从失真消除器的辅助放大器的输出检测导频信号频带，并将其转换为基带，之后被解扩以检测导频信号（代码）。
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公开(公告)号：US07072409B2
公开(公告)日：2006-07-04
申请号：US09861717
申请日：2001-05-22
申请人： Yasunori Suzuki , Tetsuo Hirota , Toshio Nojima
发明人： Yasunori Suzuki , Tetsuo Hirota , Toshio Nojima
IPC分类号： H04L27/00
CPC分类号： H04B7/0854
摘要： A radio communication system is comprised of: a transmitting system in which N transmission signals, frequency-converted to the same transmission frequency, are generated by N transmitters, N being an integer equal to or greater than 2, and the transmission signals are each applied to each one of N elements of an antenna for transmission; and a receiving system in which each transmitted signal is received by N-element antenna and the cross correlation coefficient between the transmitted signals received by the N-elements is minimized to thereby reconstruct each transmitted signal. The plural transmitted signals of the same frequency are received and the cross correlation coefficients of the received transmitted signals are minimized to thereby permit multiplexing of the transmission signal.
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公开(公告)号：US06838934B2
公开(公告)日：2005-01-04
申请号：US10287681
申请日：2002-11-05
申请人： Yasunori Suzuki , Toshio Nojima
发明人： Yasunori Suzuki , Toshio Nojima
CPC分类号： H03F1/3235 , H03F2201/3218
摘要： In a feedforward amplifier with a dual loop in which a distortion injection path of a distortion elimination circuit 50 is provided as a feedforward configuration composed of a first auxiliary amplifier distortion elimination circuit 60 and a first auxiliary amplifier distortion elimination circuit, a second variable attenuator 55 and a second variable phase shifter 56 are provided preceding the distortion detection circuit 60, a second pilot signal injected between stages of a main amplifier 14 is detected by a directional coupler 85, and the second variable attenuator 55 and the second variable phase shifter 56 are controlled by a second controller 97 to minimize the level of the detected second pilot signal, thereby bringing the distortion elimination circuit and the first auxiliary distortion detection circuit into balance at the same time.
摘要翻译： 在具有双回路的前馈放大器中，其中提供失真消除电路50的失真注入路径作为由第一辅助放大器失真电路60和第一辅助放大器失真电路组成的前馈配置，第二可变衰减器55 并且在失真检测电路60之前提供第二可变移相器56，通过定向耦合器85检测在主放大器14的级之间注入的第二导频信号，并且第二可变衰减器55和第二可变移相器56是 由第二控制器97控制，以使检测到的第二导频信号的电平最小化，从而使失真消除电路和第一辅助失真检测电路同时平衡。
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公开(公告)号：US06515544B1
公开(公告)日：2003-02-04
申请号：US09850733
申请日：2001-05-17
申请人： Yasunori Suzuki , Tetsuo Hirota , Toshio Nojima
发明人： Yasunori Suzuki , Tetsuo Hirota , Toshio Nojima
IPC分类号： H03F100
摘要： A feed-forward amplifier configuration 40n having a distortion detector circuit and a distortion canceller circuit is formed between an input port Ipn and an output port OPn of a multi-terminal power-combining power amplifier with a main amplifier 4M provided for each channel between an input-side multi-terminal power combiner 3 and an output-side multi-terminal power combiner 5.
摘要翻译： 具有失真检测器电路和失真消除电路的前馈放大器配置40n形成在多端子功率合成功率放大器的输入端口Ipn和输出端口OPn之间，其具有为每个通道设置的主放大器4M 输入侧多端子功率合成器3和输出侧多端子功率合成器5。
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