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    • 2. 发明授权
    • Transmission circuit and transmission method
    • 传输电路及传输方式
    • US08515367B2
    • 2013-08-20
    • US13383609
    • 2011-05-13
    • Maki NakamuraKaoru Ishida
    • Maki NakamuraKaoru Ishida
    • H04B1/04
    • H04B1/0475H03F1/02H03F1/0211H03F3/24H03F2200/105H04B1/406H04B2001/045
    • Provided is a transmission circuit capable of compensating a variation in output power caused due to a temperature change or an individual variability when the operation mode is switched without an increase in the size of the transmission circuit which switches the operation mode between a linear operation mode and a nonlinear operation mode, and capable of suppressing the deterioration of the quality of a transmission signal. In the transmission circuit, a gain setting section (160) sets the gain (target gain) of a variable gain amplifier (140), to a value which enables the variable gain amplifier (140) to operate linearly and corresponds to a comparison result (output error level) obtained through comparison between the target level of the variable gain amplifier (140) corresponding to the set power level of the transmission signal and the power level of an output signal of the variable gain amplifier (140) detected by a power detection section (150). The variable gain amplifier (140) amplifies an amplitude phase modulation signal or a phase modulation signal (phase path signal) in accordance with the target gain set by the gain setting section (160).
    • 提供了一种传输电路,其能够补偿当切换操作模式时由于温度变化或单独变化而引起的输出功率的变化,而不增加在线性操作模式和线性操作模式之间切换操作模式的传输电路的尺寸 非线性运算模式,能够抑制发送信号质量的恶化。 在发送电路中,增益设定部(160)将可变增益放大器(140)的增益(目标增益)设定为允许可变增益放大器(140)线性运行并对应于比较结果( 输出误差电平),其与通过发送信号的设定功率电平相对应的可变增益放大器(140)的目标电平与通过功率检测检测到的可变增益放大器(140)的输出信号的功率电平 (150)。 可变增益放大器(140)根据由增益设定部(160)设定的目标增益来放大幅度相位调制信号或相位调制信号(相位路径信号)。
    • 3. 发明申请
    • POLAR MODULATION APPARATUS
    • 极性调制装置
    • US20090039974A1
    • 2009-02-12
    • US12280975
    • 2007-02-27
    • Maki NakamuraKaoru Ishida
    • Maki NakamuraKaoru Ishida
    • H03C1/02
    • H03F3/189H03C5/00H03F3/24H03F2200/324H03F2200/504H04L27/361
    • Provided is a polar modulation apparatus capable of performing power limit with a simple configuration even when controlling a transmission power and increasing the transmission signal output power control range. A polar modulation device (1) includes an amplitude limit unit (6) for limiting an amplitude component of an amplitude signal, a D/A converter (7) for converting an inputted digital signal into an analog signal, a power control unit (8) for performing power control so that the inputted signal is an output signal based on the power control signal, a voltage control circuit (9) for supplying voltage to an amplitude modulator (11) according to the output signal from the power control unit (8), an angle modulator (10) for performing angle modulation according to a phase signal, and an amplitude modulator (11) for performing amplitude modulation on the signal subjected to angle modulation, according to the voltage supplied from the voltage control circuit (9).
    • 提供一种即使在控制发送功率并增加发送信号输出功率控制范围时也能够以简单的配置进行功率限制的极地调制装置。 极化调制装置(1)包括用于限制幅度信号的振幅分量的振幅限制单元(6),用于将输入的数字信号转换为模拟信号的D / A转换器(7),功率控制单元(8 ),用于执行功率控制,使得输入的信号是基于功率控制信号的输出信号;电压控制电路(9),用于根据来自功率控制单元(8)的输出信号向幅度调制器(11)提供电压 ),用于根据相位信号进行角度调制的角度调制器(10),以及用于根据从电压控制电路(9)提供的电压对经过角度调制的信号进行幅度调制的幅度调制器(11) 。
    • 4. 发明授权
    • Polar modulation transmission circuit and polar modulation transmission method
    • 极调制传输电路和极化调制传输方式
    • US08742865B2
    • 2014-06-03
    • US13382449
    • 2010-06-22
    • Maki Nakamura
    • Maki Nakamura
    • H03C1/50
    • H03F1/3247H03F1/0205H03F1/3241H03F1/3282H03F3/24H03F2201/3233H04B1/0475H04B2001/0425
    • Disclosed is a polar modulation transmission circuit wherein distortion components resulting from variations between individual amplifiers are compensated for with few man-hours, and deterioration in signal quality is effectively suppressed. A frequency converter (180) converts the frequency of an output signal of a high frequency power amplifier (170) and outputs a frequency domain signal, and a phase compensation unit (150) measures the power level, for each delay amount, at a low frequency band and high frequency band wherein the detuning frequency from the frequency domain signal is the same, calculates the “unlevel amount” (relative level difference) between the power level of the low frequency band and power level of the high frequency band for each delay amount, and determines the compensation characteristics on the basis of the relationship of the unlevel amount (relative level difference) to the delay amount. Then, the phase compensation unit (150) compensates for the phase signal by adding to the phase signal the phase compensation amount, in the determined compensation characteristics, that corresponds to the amplitude signal.
    • 公开了一种极性调制传输电路,其中由各个放大器之间的变化产生的失真分量以几个工时补偿,并且有效地抑制了信号质量的劣化。 频率转换器(180)对高频功率放大器(170)的输出信号的频率进行变换,输出频域信号,相位补偿单元(150)对于每个延迟量在低电平下测量功率电平 频域和高频带,其中来自频域信号的失谐频率相同,计算每个延迟的低频带的功率电平和高频带的功率电平之间的“不平衡量”(相对电平差) 并根据不平衡量(相对电平差)与延迟量的关系确定补偿特性。 然后,相位补偿单元(150)通过在相位信号中加上与确定的补偿特性相对应的振幅信号的相位补偿量来补偿相位信号。
    • 6. 发明授权
    • Polar modulation transmission apparatus and polar modulation transmission method
    • 极调制传输装置和极调调制传输方法
    • US08369802B2
    • 2013-02-05
    • US12421423
    • 2009-04-09
    • Maki NakamuraKaoru Ishida
    • Maki NakamuraKaoru Ishida
    • H04B1/02
    • H04B1/0475H03C5/00H03F1/0222H03F2200/447
    • The polar modulation apparatus of the present invention can control the output power of a transmission signal over a wide range and compensate characteristic degradation reliably upon temperature change. Polar modulation transmission apparatus 100 is provided with: temperature sensor 120; temperature compensation section 160-1 that corrects an amplitude signal and performs temperature compensation for transmission power amplification section 190; temperature compensation section 160-2 that corrects a power amplification signal and performs temperature compensation for power adjustment section 180; and correction value setting section 130 that sets correction values for temperature compensation section 160-1 and temperature compensation section 160-2, and, while only the amplitude signal is corrected according to a measurement result in temperature sensor 120 in the first mode, the amplitude signal and the power adjustment signal are corrected according to a measurement result in the second mode.
    • 本发明的极化调制装置可以在宽范围内控制发送信号的输出功率,并在温度变化时可靠地补偿特性劣化。 极调制传输装置100设置有:温度传感器120; 温度补偿部160-1,其校正振幅信号,并对发送功率放大部190执行温度补偿; 温度补偿部160-2,其对功率放大信号进行校正,对功率调整部180进行温度补偿; 以及校正值设定部130,其对温度补偿部160-1和温度补偿部160-2设定校正值,在仅在第一模式下,根据温度传感器120的测量结果对幅度信号进行校正时,振幅 信号和功率调整信号根据第二模式中的测量结果被校正。
    • 8. 发明授权
    • Polar modulator
    • 极性调制器
    • US08860524B2
    • 2014-10-14
    • US13382029
    • 2010-06-17
    • Shigeru MorimotoKaoru IshidaMaki Nakamura
    • Shigeru MorimotoKaoru IshidaMaki Nakamura
    • H03C1/00H03F3/24H03F3/189H03C5/00H03F1/02H04B1/04
    • H03F3/24H03C5/00H03F1/0266H03F3/189H04B1/04
    • A polar modulator of the present invention includes: a first function block which generates an amplitude signal and a phase signal; a second function block which adjusts the signal delay between the amplitude signal and the phase signal; a third function block which allows the low frequency component of the amplitude signal to pass therethrough; a fourth function block which modulates the phase of the phase signal; a fifth function block which outputs a modulation voltage, based on the amplitude signal; a sixth function block which modulates the amplitude of the phase signal, based on the modulation voltage; a seventh function block which measures the temperature of at least one function block; and an eighth function block which calculates a compensation amount for the signal delay, based on the measured temperature. The second function block adjusts the signal delay, based on the compensation amount.
    • 本发明的极性调制器包括:产生振幅信号和相位信号的第一功能块; 第二功能块,调整幅度信号和相位信号之间的信号延迟; 允许振幅信号的低频分量通过的第三功能块; 第四功能块,其对相位信号的相位进行调制; 第五功能块,其基于所述振幅信号输出调制电压; 第六功能块,其基于所述调制电压来调制所述相位信号的幅度; 测量至少一个功能块的温度的第七功能块; 以及基于测量的温度计算信号延迟的补偿量的第八功能块。 第二功能块根据补偿量调整信号延迟。
    • 9. 发明申请
    • POLAR MODULATION TRANSMISSION CIRCUIT AND POLAR MODULATION TRANSMISSION METHOD
    • 极地调制传输电路和极性调制传输方法
    • US20120112847A1
    • 2012-05-10
    • US13382449
    • 2010-06-22
    • Maki Nakamura
    • Maki Nakamura
    • H03C3/38
    • H03F1/3247H03F1/0205H03F1/3241H03F1/3282H03F3/24H03F2201/3233H04B1/0475H04B2001/0425
    • Disclosed is a polar modulation transmission circuit wherein distortion components resulting from variations between individual amplifiers are compensated for with few man-hours, and deterioration in signal quality is effectively suppressed. A frequency converter (180) converts the frequency of an output signal of a high frequency power amplifier (170) and outputs a frequency domain signal, and a phase compensation unit (150) measures the power level, for each delay amount, at a low frequency band and high frequency band wherein the detuning frequency from the frequency domain signal is the same, calculates the “unlevel amount” (relative level difference) between the power level of the low frequency band and power level of the high frequency band for each delay amount, and determines the compensation characteristics on the basis of the relationship of the unlevel amount (relative level difference) to the delay amount. Then, the phase compensation unit (150) compensates for the phase signal by adding to the phase signal the phase compensation amount, in the determined compensation characteristics, that corresponds to the amplitude signal.
    • 公开了一种极性调制传输电路,其中由各个放大器之间的变化产生的失真分量以几个工时补偿,并且有效地抑制了信号质量的劣化。 频率转换器(180)对高频功率放大器(170)的输出信号的频率进行变换,输出频域信号,相位补偿单元(150)对于每个延迟量在低电平下测量功率电平 频域和高频带,其中来自频域信号的失谐频率相同,计算每个延迟的低频带的功率电平和高频带的功率电平之间的“不平衡量”(相对电平差) 并根据不平衡量(相对电平差)与延迟量的关系确定补偿特性。 然后,相位补偿单元(150)通过在相位信号中加上与确定的补偿特性相对应的振幅信号的相位补偿量来补偿相位信号。
    • 10. 发明申请
    • POLAR MODULATOR
    • 极性调制器
    • US20120106402A1
    • 2012-05-03
    • US13382029
    • 2010-06-17
    • Shigeru MorimotoKaoru IshidaMaki Nakamura
    • Shigeru MorimotoKaoru IshidaMaki Nakamura
    • H04L27/04H04L27/34H04B7/005
    • H03F3/24H03C5/00H03F1/0266H03F3/189H04B1/04
    • A polar modulator of the present invention includes: a first function block which generates an amplitude signal and a phase signal; a second function block which adjusts the signal delay between the amplitude signal and the phase signal; a third function block which allows the low frequency component of the amplitude signal to pass therethrough; a fourth function block which modulates the phase of the phase signal; a fifth function block which outputs a modulation voltage, based on the amplitude signal; a sixth function block which modulates the amplitude of the phase signal, based on the modulation voltage; a seventh function block which measures the temperature of at least one function block; and an eighth function block which calculates a compensation amount for the signal delay, based on the measured temperature. The second function block adjusts the signal delay, based on the compensation amount.
    • 本发明的极性调制器包括:产生振幅信号和相位信号的第一功能块; 第二功能块,调整幅度信号和相位信号之间的信号延迟; 允许振幅信号的低频分量通过的第三功能块; 第四功能块,其对相位信号的相位进行调制; 第五功能块,其基于所述振幅信号输出调制电压; 第六功能块,其基于所述调制电压来调制所述相位信号的幅度; 测量至少一个功能块的温度的第七功能块; 以及基于测量的温度计算信号延迟的补偿量的第八功能块。 第二功能块根据补偿量调整信号延迟。