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    • 1. 发明专利
    • Mobile communication terminal device and transmitting power control method
    • 移动通信终端设备和发射功率控制方法
    • JP2005318266A
    • 2005-11-10
    • JP2004133666
    • 2004-04-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • HATTORI KIMIHARUTAKAHASHI TOSHISHIGEMORI KAZUTOMIOTA AKIRAKITABAYASHI FUMIMASA
    • H03F3/24H04B1/04H04J13/00
    • PROBLEM TO BE SOLVED: To solve the problem in which the PAR (Peak to Average Ratio) of a modulated signal varies as the number of multiplexed waves of the modulated signal modulated by a mobile station increases during communication using HSDPA (High Speed Down Link Packet Access). SOLUTION: A bias voltage supplied from a power source to HPA according to an amplification coefficient βhs is controlled by performing processing for deciding whether control data of a 2nd control channel are added in addition to transmission data of a data channel and control data of a 1st control channel, and processing for controlling a driving voltage driving the amplification part amplifying the electric power of the transmitted signal sent to a base station according to an amplitude coefficient of the 2nd control channel, thereby suitably controlling the linearity of the HPA corresponding to the varied PAR. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题为了解决在使用HSDPA(高速)的通信期间调制信号的PAR(峰均比))随着移动台调制的调制信号的多路复用波数的增加而变化的问题 下行链路分组接入)。 解决方案:根据放大系数βhs从电源向HPA提供的偏置电压通过执行除了数据信道的传输数据和控制数据之外的第二控制信道的控制数据被添加的处理来进行控制 以及根据第二控制信道的幅度系数来控制驱动放大部件放大发送到基站的发送信号的电力的驱动电压的驱动电压的处理,由此适当地控制对应于所述第二控制信道的HPA的线性度 到不同的PAR。 版权所有(C)2006,JPO&NCIPI
    • 2. 发明专利
    • Power amplifier circuit
    • 功率放大器电路
    • JP2013055413A
    • 2013-03-21
    • JP2011190754
    • 2011-09-01
    • Mitsubishi Electric Corp三菱電機株式会社
    • HATTORI KIMIHARU
    • H03F3/24H03F1/02H03F3/68H04B1/04
    • PROBLEM TO BE SOLVED: To provide a power amplifier circuit that allows improving efficiency without reducing gain by a simple configuration.SOLUTION: A heat-sensitive-type distributor 2, power amplifier elements 3a and 3b, and a synthesizer 4 are provided on a substrate 1. The heat-sensitive-type distributor 2 distributes an input signal into up to two signals. The power amplifier elements 3a and 3b power-amplify the distributed input signals. The synthesizer 4 synthesizes output signals from the power amplifier elements 3a and 3b to one signal. The heat generated in the power amplifier elements 3a and 3b transmits to the heat-sensitive-type distributor 2 via the substrate 1. The heat-sensitive-type distributor 2 distributes the input signal to more of the power amplifier elements 3a and 3b as the temperature becomes higher.
    • 要解决的问题:提供一种功率放大器电路,其能够通过简单的配置来提高效率而不降低增益。 解决方案:热敏型分配器2,功率放大器元件3a和3b以及合成器4设置在基板1上。热敏型分配器2将输入信号分配到多达两个信号。 功率放大器元件3a和3b对分布式输入信号进行功率放大。 合成器4将来自功率放大器元件3a和3b的输出信号合成为一个信号。 在功率放大器元件3a和3b中产生的热量经由衬底1传递到热敏型分配器2.热敏型分配器2将输入信号分配给更多的功率放大器元件3a和3b,作为 温度变高。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Mobile communication terminal
    • 移动通信终端
    • JP2007043302A
    • 2007-02-15
    • JP2005222971
    • 2005-08-01
    • Mitsubishi Electric CorpNtt Docomo Inc三菱電機株式会社株式会社エヌ・ティ・ティ・ドコモ
    • HATTORI KIMIHARUTAKAHASHI TOSHISHIGEITO TATSUYAKATSURA TAKATOSHIITO KENJI
    • H04B1/16H03G3/20H04B1/10
    • PROBLEM TO BE SOLVED: To provide a mobile communication terminal for suppressing distortion caused in a low noise amplifier.
      SOLUTION: A power arithmetic section 21 calculates power of an output signal from a low pass filter 15, outputs a control signal in response to the calculated power, an adjacent channel power arithmetic section 22 estimates the power of adjacent channels on the basis of a gain control signal from a gain control section 19, a control signal in response to the signal power before inverse spread processing from a baseband section 18, and a control signal in response to the power calculated by the power arithmetic section 21, when the power of the adjacent channels estimated by the power arithmetic section 22 exceeds a prescribed threshold value preset in advance, a mode control section 23 outputs a control signal to the low noise amplifier 13 to switch its ordinary gain mode into a low gain mode.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种用于抑制在低噪声放大器中引起的失真的移动通信终端。 解决方案:功率运算部分21计算来自低通滤波器15的输出信号的功率,响应于计算的功率输出控制信号,相邻信道功率运算部分22基于相邻信道的功率估计 来自增益控制部分19的增益控制信号,响应于来自基带部分18的逆扩展处理之前的信号功率的控制信号和响应于由功率运算部分21计算的功率的控制信号,当 由功率运算部22推定的相邻信道的功率超过预先设定的规定阈值,模式控制部23向低噪声放大器13输出控制信号,将其普通增益模式切换为低增益模式。 版权所有(C)2007,JPO&INPIT
    • 5. 发明专利
    • High-frequency power amplifier and portable wireless device
    • 高频功率放大器和便携式无线设备
    • JP2005080081A
    • 2005-03-24
    • JP2003310041
    • 2003-09-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • HATTORI KIMIHARU
    • H03F3/185H04B1/04
    • PROBLEM TO BE SOLVED: To obtain desired output characteristics at all frequency ranges of signals amplified in a high-frequency power amplifier and a portable wireless device equipped with the same.
      SOLUTION: The high-frequency power amplifier is equipped with FETs for amplifying signals at operating points determined by gate voltages, gate bias circuits for dividing the gate bias voltages by resistors to generate the gate voltages, storage units that have stored gate bias control data corresponding to frequencies of signals amplified by the FETs, and control units for reading out the gate bias control data corresponding to the frequencies from the storage units based on the frequencies of the signals to control the gate bias voltages based on the control data.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了获得在高频功率放大器中放大的信号的所有频率范围以及配备该信号的便携式无线装置的所需输出特性。 解决方案:高频功率放大器配有用于放大由栅极电压确定的工作点处的信号的FET,栅极偏置电路用于通过电阻分压栅极偏置电压以产生栅极电压,存储栅极偏置的存储单元 对应于由FET放大的信号的频率的控制数据,以及控制单元,用于基于控制数据,根据信号的频率读出对应于来自存储单元的频率的栅极偏置控制数据,以控制栅极偏置电压。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Mobile-communication terminal device
    • 移动通信终端设备
    • JP2006279183A
    • 2006-10-12
    • JP2005091110
    • 2005-03-28
    • Mitsubishi Electric Corp三菱電機株式会社
    • TAKAHASHI TOSHISHIGEHATTORI KIMIHARUNAKAMIZO HIDEYUKIUESUGI MIKIOTAKAHASHI TAKANORI
    • H04B7/26H04B1/40H04M1/02H04M1/725
    • PROBLEM TO BE SOLVED: To provide a mobile-communication terminal device changing over filters at baseband stages for satisfying standards at every country and satisfying receiving standards at every country. SOLUTION: In the mobile-communication terminal device, a demodulating section demodulating a receiving signal from a base station and outputting a demodulating signal and a band limiting section containing the filter attenuating the specified band of the demodulating signal modulated by the demodulating section are fitted. In the mobile-communication terminal device, a baseband section back-diffusing a signal in which the specified band is attenuated by the band limiting section and a control section controlling a band limitation in the band limiting section on the basis of country informations discriminating the countries conducting transmissions and receptions with the base station are fitted. Consequently, an effect satisfying different interfering wave regulations at every country is obtained. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种移动通信终端设备在基带阶段切换过滤器以满足每个国家的标准并满足每个国家的接收标准。 解决方案:在移动通信终端设备中,解调部分解调来自基站的接收信号并输出​​解调信号,以及包含滤波器的频带限制部分,衰减由解调部分调制的解调信号的指定频带 装配。 在移动通信终端装置中,根据区分国家的国家信息,对由频带限制部分衰减指定频带的信号和频带限制部分控制频带限制的控制部分进行背扩散的基带部分 与基站进行传输和接收。 因此,获得了满足每个国家不同干扰波规律的效果。 版权所有(C)2007,JPO&INPIT
    • 7. 发明专利
    • Mobile communications terminal
    • 移动通信终端
    • JP2006135411A
    • 2006-05-25
    • JP2004319338
    • 2004-11-02
    • Mitsubishi Electric Corp三菱電機株式会社
    • TAKAHASHI TOSHISHIGESAKASHITA YUICHIHATTORI KIMIHARU
    • H04B1/04H04B1/707H04B7/26H04J13/00H04W52/04H04W88/02
    • PROBLEM TO BE SOLVED: To provide a mobile communications terminal for accurately detecting the transmission power independently of the number of multiplex waves and a multiplex wave ratio.
      SOLUTION: The mobile communications terminal includes: a detected power correction section 9 for correcting the transmission power detected by a detection section 8 in response to an accumulation density characteristic of a modulation wave signal in response to the number of multiplex waves and the multiplex wave ratio; and a power control section 10 for determining a power control signal applied to a variable amplifying section 4 in response to a target transmission power value and the transmission power corrected by the detected power correction section 9. The detected power correction section 9 corrects the transmission power detected by the detection section 8 in response to the accumulation density characteristic of the modulation signal depending on the number of multiplex waves and the multiplex wave ratio so that the terminal can accurately detect the transmission power and accurately control the transmission power.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种移动通信终端,用于与多路复用波的数量和多路复用波率无关地准确地检测发送功率。 解决方案:移动通信终端包括:检测功率校正部分9,用于响应于多路复用波的数量,响应于调制波信号的累积密度特性来校正由检测部分8检测到的发送功率,以及 多重波比; 以及功率控制部分10,用于响应于目标发射功率值和由检测功率校正部分9校正的发射功率来确定施加到可变放大部分4的功率控制信号。检测功率校正部分9校正发射功率 由检测部分8响应于根据多路复用波数和多路复用波比的调制信号的累加密度特性而检测出的,使得终端能够精确地检测发送功率并精确地控制发送功率。 版权所有(C)2006,JPO&NCIPI