公开(公告)号：US07496375B2

公开(公告)日：2009-02-24

申请号：US10589076

申请日：2005-02-08

Applicant: Hidenori Matsumoto

Inventor： Hidenori Matsumoto

IPC: H04B7/00 ,  H04B1/04

CPC classification number: H03G1/0088 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/506 ,  H03G2201/702 ,  H03G2201/708 ,  H04B2001/0416

Abstract: A transmission power control apparatus which reduces the number of steps required for adjustments of the transmission power control apparatus and performs transmission power control with high accuracy in a wide dynamic range. The apparatus has a first variable amplifying circuit (122) with the resolution of 1 dB and a second variable amplifying circuit (123) with the resolution of 0.1 dB, where a correction value calculating section (106) calculates a correction value to compensate for deterioration in the accuracy of transmission power caused by a change in environment due to frequency characteristics and temperature characteristics and another correction value to compensate for error in transmission power, a transmission power calculating section (107) calculates transmission power obtained by correcting with the correction value specified transmission power to output to a communicating party based on the received signal, and a first set value calculating section (108) and a second set value calculating section (109) calculate gain values to set on the first variable amplifying circuit (122) and second variable amplifying circuit (123) based on the corrected transmission power, respectively.

Abstract translation: 一种发送功率控制装置，其减少了调整发送功率控制装置所需的步骤数量，并且在宽动态范围内以高精度执行发送功率控制。 该装置具有分辨率为1dB的第一可变放大电路（122）和分辨率为0.1dB的第二可变放大电路（123），其中校正值计算部分（106）计算校正值以补偿劣化 在由于频率特性和温度特性引起的由环境变化引起的发送功率的精度以及用于补偿发送功率误差的另一校正值的情况下，发送功率计算部（107）计算通过指定的校正值进行校正而获得的发送功率 发送功率，根据接收到的信号输出到通信对方，第一设定值计算部（108）和第二设定值计算部（109）计算设定在第1可变放大电路（122）和第2可变放大电路 可变放大电路（123）分别基于校正后的发射功率。

公开(公告)号：US06683496B2

公开(公告)日：2004-01-27

申请号：US09931737

申请日：2001-08-20

Applicant: Peter John Poggi ,  Tim Dittmer ,  George Cabrera

Inventor： Peter John Poggi ,  Tim Dittmer ,  George Cabrera

IPC: H03G516

CPC classification number: H03G3/3042 ,  H03F1/0222 ,  H03F1/0233 ,  H03F1/0244 ,  H03F1/0277 ,  H03F3/211 ,  H03G3/004 ,  H03G2201/103 ,  H03G2201/504 ,  H03G2201/508 ,  H03G2201/702

Abstract: The variable power supply to an amplifier in an electrical circuit is dynamically controlled through the use of a lookup table responsive to one or more operating conditions of the electrical circuit. The lookup table is indexed by one or more of the operating conditions and the amount of amplification to be applied to an input signal to the amplifier is determined. One embodiment of the invention comprises a television transmitter circuit including a power amplifier circuit capable of amplifying a variable frequency COFDM or 8VSB input signal where the amount of amplification applied to the input signal is dynamically controlled through the use of a lookup table as a function of the frequency of the input signal.

Abstract translation: 通过使用响应于电路的一个或多个操作条件的查找表来动态地控制电路中的放大器的可变电源。 查找表由一个或多个操作条件索引，并确定要施加到放大器的输入信号的放大量。 本发明的一个实施例包括一种电视发射机电路，其包括能够放大可变频率COFDM或8VSB输入信号的功率放大器电路，其中通过使用查找表作为函数来动态地控制施加到输入信号的放大量 输入信号的频率。

公开(公告)号：WO2016166039A1

公开(公告)日：2016-10-20

申请号：PCT/EP2016/057872

申请日：2016-04-11

Applicant: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Inventor： ALRIKSSON, Peter ,  AXMON, Joakim

IPC: H03G3/30

CPC classification number: H04B1/123 ,  H03G3/3078 ,  H03G2201/103 ,  H03G2201/702 ,  H04W52/52

Abstract: The gain of an amplifier in a receiver operating in a cellular communication system is controlled by determining one or more gain variability metrics, which are then used to produce first and second threshold values. A frequency difference between a current carrier frequency and a target carrier frequency is ascertained and then compared to the threshold values. Target gain setting production is based on comparison results: If the frequency difference is larger than the first threshold, a full automatic gain control algorithm is performed; if the frequency difference is smaller than the first threshold and larger than the second threshold, an optimized automatic gain control algorithm is performed, wherein the optimized automatic gain control algorithm uses a current gain setting as a starting point; and if the frequency difference is smaller than both the first and second thresholds, the current gain setting is used as the target gain setting.

Abstract translation: 通过确定一个或多个增益变异性度量来控制在蜂窝通信系统中操作的接收机中的放大器的增益，然后将其用于产生第一和第二阈值。 确定当前载波频率和目标载波频率之间的频率差，然后与阈值进行比较。 目标增益设置生产是基于比较结果：如果频差大于第一阈值，则执行全自动增益控制算法; 如果频率差小于第一阈值并且大于第二阈值，则执行优化的自动增益控制算法，其中优化的自动增益控制算法使用电流增益设置作为起点; 并且如果频率差小于第一和第二阈值，则将当前增益设置用作目标增益设置。

公开(公告)号：WO2006115661A2

公开(公告)日：2006-11-02

申请号：PCT/US2006010807

申请日：2006-03-24

Applicant: SKYWORKS SOLUTIONS INC ,  BOERMAN STEVEN P ,  DICARLO PAUL T ,  REGINELLA PATRICE

Inventor： BOERMAN STEVEN P ,  DICARLO PAUL T ,  REGINELLA PATRICE

IPC: H04B1/04

CPC classification number: H03G3/3042 ,  H03G2201/702 ,  H04B1/04 ,  H04B2001/0416

Abstract: A method and apparatus for power detection in a multi-mode communication device configured for operation in different modes or frequency bands. A detector monitors the power level of an amplified outgoing signal. The detector may be configured with a switch and two or more samplers. Responsive to the mode of operation, the detector adopts an optimal configuration to generate a power level feedback signal, which is provided to a digital signal processor or controller. Comparison of the power level feedback signal to a target value may occur to generate an amplifier control signal. The amplifier control signal controls the gain, applied by an amplifier, to the outgoing signal. During operation, the system monitors for a change in the mode of operation and upon responsive to a change, generates a switch control signal to reconfigure the detector configuration to match the new mode of operation.

Abstract translation: 一种用于在不同模式或频带中操作的多模式通信设备中的功率检测方法和装置。 检测器监视放大输出信号的功率电平。 检测器可以配置有开关和两个或更多个采样器。 响应于操作模式，检测器采用最佳配置来产生功率电平反馈信号，该信号提供给数字信号处理器或控制器。 功率电平反馈信号与目标值的比较可能发生，以产生放大器控制信号。 放大器控制信号将由放大器施加的增益控制为输出信号。 在操作期间，系统监视操作模式的改变，并且响应于改变，产生开关控制信号以重新配置检测器配置以匹配新的操作模式。

公开(公告)号：EP1583232A3

公开(公告)日：2007-07-18

申请号：EP05090077.8

申请日：2005-03-29

Applicant: NEC CORPORATION

Inventor： Ishihara, Takeshi, c/o NEC Corporation

IPC: H03G3/30 ,  H04B7/005

CPC classification number: H04W52/22 ,  H03G3/3068 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/305 ,  H03G2201/307 ,  H03G2201/702 ,  H03M1/122 ,  H03M1/18 ,  H03M1/183

Abstract: An automatic gain control device includes an amplifier for a reception signal, a signal processing unit, a memory, and a control unit. The amplifier can set a gain. The signal processing unit extracts control data from an output from the amplifier and performs information processing for the data. The memory stores the gain setting value of the amplifier. The control unit controls the gain of the amplifier in accordance with a preset control algorithm. On the basis of the result obtained when the control unit computes a gain setting value stored in the memory in accordance with a preset algorithm, the control unit controls the gain of the amplifier in correspondence with operation of switching the frequency of a reception signal, which is accompanied by different frequency monitoring in the compressed mode by the signal processing unit. A radio communication terminal, a control method for an automatic gain control device, a control program for an automatic gain control device, an automatic gain control method, a radio communication system, and a radio communication method are also disclosed.

Abstract translation: 一种自动增益控制装置，包括用于接收信号的放大器，信号处理单元，存储器和控制单元。 放大器可以设置增益。 信号处理单元从放大器的输出提取控制数据，并执行数据的信息处理。 存储器存储放大器的增益设定值。 控制单元根据预设的控制算法控制放大器的增益。 基于当控制单元根据预设算法计算存储在存储器中的增益设定值时获得的结果，控制单元根据接收信号的频率切换的操作来控制放大器的增益，其中 伴随着信号处理单元在压缩模式下的不同频率监视。 还公开了无线电通信终端，自动增益控制装置的控制方法，自动增益控制装置的控制程序，自动增益控制方法，无线电通信系统和无线电通信方法。

公开(公告)号：EP1428313A4

公开(公告)日：2006-06-07

申请号：EP02759314

申请日：2002-08-12

Applicant: HARRIS CORP

Inventor： POGGI PETER JOHN ,  DITTMER TIMOTHY ,  CABRERA GEORGE

IPC: H03F1/02 ,  H03F3/21 ,  H03G3/00 ,  H03G3/30 ,  H03F3/04

CPC classification number: H03G3/3042 ,  H03F1/0222 ,  H03F1/0233 ,  H03F1/0244 ,  H03F1/0277 ,  H03F3/211 ,  H03G3/004 ,  H03G2201/103 ,  H03G2201/504 ,  H03G2201/508 ,  H03G2201/702

Abstract: The variable power supply (12) to an amplifier (10) in an electrical circuit is dynamically controlled through the use of a lookup table (14) responsive to one or more operating conditions of the electrical circuit. The lookup table is indexed by one or more of the operating conditions and the amount of amplification to be applied to an input signal to the amplifier is determined. One embodiment of the invention comprises a television transmitter circuit including a power amplifier circuit capable of amplifying a variable frequency COFDM or 8VSB input signal (11) where the amount of amplification applied to the input signal is dynamically controlled through the use of a lookup table as a function of the frequency of the input signal.

公开(公告)号：EP1583232A2

公开(公告)日：2005-10-05

申请号：EP05090077.8

申请日：2005-03-29

Applicant: NEC CORPORATION

Inventor： Ishihara, Takeshi, c/o NEC Corporation

IPC: H03G3/30

CPC classification number: H04W52/22 ,  H03G3/3068 ,  H03G2201/103 ,  H03G2201/202 ,  H03G2201/305 ,  H03G2201/307 ,  H03G2201/702 ,  H03M1/122 ,  H03M1/18 ,  H03M1/183

Abstract: An automatic gain control device includes an amplifier for a reception signal, a signal processing unit, a memory, and a control unit. The amplifier can set a gain. The signal processing unit extracts control data from an output from the amplifier and performs information processing for the data. The memory stores the gain setting value of the amplifier. The control unit controls the gain of the amplifier in accordance with a preset control algorithm. On the basis of the result obtained when the control unit computes a gain setting value stored in the memory in accordance with a preset algorithm, the control unit controls the gain of the amplifier in correspondence with operation of switching the frequency of a reception signal, which is accompanied by different frequency monitoring in the compressed mode by the signal processing unit. A radio communication terminal, a control method for an automatic gain control device, a control program for an automatic gain control device, an automatic gain control method, a radio communication system, and a radio communication method are also disclosed.

公开(公告)号：WO2009099017A1

公开(公告)日：2009-08-13

申请号：PCT/JP2009/051682

申请日：2009-01-27

Applicant: RICOH COMPANY, LTD. ,  EJIMA, Takeshi

Inventor： EJIMA, Takeshi

IPC: H04B1/16 ,  H04J13/06 ,  H04J11/00

CPC classification number: H04B1/713 ,  H03G3/3052 ,  H03G2201/702 ,  H04B17/318 ,  H04L27/2647

Abstract: A disclosed radio communication apparatus includes an amplifier configured to amplify a signal received via one of multiple channels including a channel where frequency hopping is conducted; a signal strength measurement circuit configured to measure signal strength of the received signal; and a gain value computation unit configured to compute a gain value for the amplifier based on the signal strength measured by the signal strength measurement circuit. The gain value computation unit is configured to use values specific to the respective channels as coefficients of a function to compute the gain value.

Abstract translation: 所公开的无线电通信装置包括：放大器，被配置为放大经由多个信道之一接收的信号，包括进行跳频的信道; 信号强度测量电路，被配置为测量接收信号的信号强度; 以及增益值计算单元，被配置为基于由信号强度测量电路测量的信号强度来计算放大器的增益值。 增益值计算单元被配置为使用对各个通道特有的值作为计算增益值的函数的系数。

公开(公告)号：WO2005078939A1

公开(公告)日：2005-08-25

申请号：PCT/JP2005/001836

申请日：2005-02-08

Applicant: 松下電器産業株式会社 ,  松本 英徳

Inventor： 松本 英徳

IPC: H04B1/04

CPC classification number: H03G1/0088 ,  H03G3/3042 ,  H03G2201/103 ,  H03G2201/506 ,  H03G2201/702 ,  H03G2201/708 ,  H04B2001/0416

Abstract: 　送信電力制御装置の調整に要する工程数を削減し、広いダイナミックレンジで高精度な送信電力制御を行う送信電力制御装置。分解能が１ｄＢの第１可変増幅回路（１２２）と分解能が０．１ｄＢの第２可変増幅回路（１２３）とを備え、周波数特性及び温度特性といった環境の変化によって生じる送信電力精度の劣化を補償する補正値及び送信電力誤差を補償する補正値を補正値算出部（１０６）が算出し、送信電力算出部（１０７）が受信信号に基づいて通信相手に出力する指定送信電力を補正値した送信電力を算出し、第１設定値算出部（１０８）及び第２設定値算出部（１０９）が補正後の送信電力に基づいて、第１可変増幅回路（１２２）及び第２可変増幅回路（１２３）に設定するゲイン値を算出する。

Abstract translation: 提供了一种发送功率控制装置，其能够减少调整发送功率控制装置所需的步数，并且以宽的动态范围和高精度进行发送功率控制。 发送功率控制装置包括分辨率为1dB的第一可变放大电路（122）和分辨率为0.1dB的第二可变放大电路（123）。 发送功率控制装置还包括：校正值计算单元，用于计算用于补偿由频率特性产生的发送功率精度的劣化的校正值和诸如温度特性的环境变化以及补偿发送功率误差的校正值 ; 发送功率计算单元，用于根据接收信号计算通过校正要输出给通信对方的规定发送功率而获得的发送功率; 以及第一设定值计算单元（108）和第二设定值计算单元（109），用于根据发送功率计算要设置到第一可变放大电路（122）和第二可变放大电路（123）的增益值 修正后。

公开(公告)号：WO03017468A3

公开(公告)日：2003-08-21

申请号：PCT/US0225349

申请日：2002-08-12

Applicant: HARRIS CORP

Inventor： POGGI PETER JOHN ,  DITTMER TIMOTHY ,  CABRERA GEORGE

IPC: H03F1/02 ,  H03F3/21 ,  H03G3/00 ,  H03G3/30 ,  H03F3/04

CPC classification number: H03G3/3042 ,  H03F1/0222 ,  H03F1/0233 ,  H03F1/0244 ,  H03F1/0277 ,  H03F3/211 ,  H03G3/004 ,  H03G2201/103 ,  H03G2201/504 ,  H03G2201/508 ,  H03G2201/702

Abstract: The variable power supply (12) to an amplifier (10) in an electrical circuit is dynamically controlled through the use of a lookup table (14) responsive to one or more operating conditions of the electrical circuit. The lookup table is indexed by one or more of the operating conditions and the amount of amplification to be applied to an input signal to the amplifier is determined. One embodiment of the invention comprises a television transmitter circuit including a power amplifier circuit capable of amplifying a variable frequency COFDM or 8VSB input signal (11) where the amount of amplification applied to the input signal is dynamically controlled through the use of a lookup table as a function of the frequency of the input signal.

Abstract translation: 通过使用响应于电路的一个或多个操作条件的查找表（14）来动态地控制到电路中的放大器（10）的可变电源（12）。 查找表由一个或多个操作条件索引，并确定要施加到放大器的输入信号的放大量。 本发明的一个实施例包括电视发射机电路，其包括能够放大可变频率COFDM或8VSB输入信号（11）的功率放大器电路，其中通过使用查找表作为输入信号的放大量被动态地控制 输入信号的频率的函数。