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公开(公告)号：US07593705B2
公开(公告)日：2009-09-22
申请号：US11287787
申请日：2005-11-28
Applicant: Tadahiro Sato , Akifumi Adachi
Inventor： Tadahiro Sato , Akifumi Adachi
CPC classification number: H03G3/3052 , H03G3/005 , H03G3/3078 , H03G3/3089 , H03G2201/103 , H03G2201/202 , H03G2201/305 , H04B1/707 , H04B2201/70701 , H04B2201/70706
Abstract: A radio receiver includes a branching unit, a first gain-control system, a second-gain control system, and a signal processing unit. The branching unit branches a radio signal received by the radio receiver into two signals. The first-gain control system performs a gain control of a pilot signal in one of branched signals, and the second gain control system performs a gain control of a data signal in another of the branched signals. The signal processing unit synchronizes frames in the received radio signal. The signal processing unit outputs a gain signal to each of the first gain-control system and the second gain-control system. The first gain-control system and the second gain-control system perform the gain controls based on the gain signal.
Abstract translation: 无线电接收机包括分支单元，第一增益控制系统，第二增益控制系统和信号处理单元。 分支单元将由无线电接收机接收的无线电信号分成两个信号。 第一增益控制系统以分支信号之一对导频信号进行增益控制，第二增益控制系统对分支信号中的另一个进行数据信号的增益控制。 信号处理单元同步所接收的无线电信号中的帧。 信号处理单元向第一增益控制系统和第二增益控制系统中的每一个输出增益信号。 第一增益控制系统和第二增益控制系统基于增益信号执行增益控制。
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公开(公告)号：US07127223B2
公开(公告)日：2006-10-24
申请号：US11189941
申请日：2005-07-26
Applicant: Hang Jin , John Grabner , Jun Huang , Daniel Wee Teck Ho
Inventor： Hang Jin , John Grabner , Jun Huang , Daniel Wee Teck Ho
IPC: H04B1/06
CPC classification number: H03G3/3052 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/706
Abstract: The present invention discloses a proactive gain control system for a communications receiver. The proactive gain control system includes a variable gain module for outputting an output signal in response to an input signal. A detector detects the output signal and outputs a detection signal representing a signal strength of the output signal. A traffic monitor monitors the output signal and outputs a traffic profile signal indicating that a traffic profile for the input signal will change. A gain computing module outputs a gain adjustment value in response to the detection signal and the traffic profile signal. A gain control module outputs a gain control signal to the variable gain module, which determines a gain between the input and output signals, in response to the gain adjustment value.
Abstract translation: 本发明公开了一种用于通信接收机的主动增益控制系统。 主动增益控制系统包括用于响应于输入信号输出输出信号的可变增益模块。 检测器检测输出信号并输出表示输出信号的信号强度的检测信号。 流量监视器监视输出信号并输出指示用于输入信号的流量曲线将改变的流量分布信号。 增益计算模块响应于检测信号和流量分布信号输出增益调整值。 增益控制模块响应于增益调整值，向可变增益模块输出增益控制信号，该可变增益模块确定输入和输出信号之间的增益。
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公开(公告)号：US20050221779A1
公开(公告)日：2005-10-06
申请号：US11093416
申请日：2005-03-30
Applicant: Taiwa Okanobu
Inventor： Taiwa Okanobu
IPC: H03G3/20 , H03G1/00 , H03G3/30 , H03G7/00 , H04B1/06 , H04B1/10 , H04B1/16 , H04B7/00 , H04B17/40 , H04B17/02
CPC classification number: H03G3/3068 , H03G1/0023 , H03G1/0088 , H03G7/001 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307 , H03G2201/506
Abstract: An automatic gain control (AGC) circuit includes a number of attenuation circuits connected in series relative to a reception signal, a of variable gain amplifiers to which the reception signal and each output signal from the attenuation circuits are fed, respectively, a signal deriving circuit connected to output terminals of the variable gain amplifiers for deriving a level-controlled output signal, and a control current generating circuit for generating a control current having a predetermined characteristic out of first and second AGC voltages, wherein the control current outputted from the control current generating circuit is supplied to the variable gain amplifiers as a control signal for switching an operation thereof and for controlling a gain thereof, and a feedback control current corresponding to the control current is performed by the control current generating circuit.
Abstract translation: 自动增益控制（AGC）电路包括相对于接收信号串联连接的多个衰减电路，分别馈送有来自衰减电路的接收信号和每个输出信号的可变增益放大器的信号导出电路 连接到可变增益放大器的输出端，用于导出电平控制的输出信号;以及控制电流产生电路，用于产生具有从第一和第二AGC电压起的预定特性的控制电流，其中从控制电流输出的控制电流 发电电路被提供给可变增益放大器作为用于切换其操作并用于控制其增益的控制信号，并且由控制电流产生电路执行与控制电流相对应的反馈控制电流。
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24.发明申请Automatic gain control and antenna selection method for a radio communication system 有权无线电通信系统的自动增益控制和天线选择方法公开(公告)号：US20040259511A1
公开(公告)日：2004-12-23
申请号：US10864193
申请日：2004-06-09
Inventor： Der-Zheng Liu , Song-Nien Tang , Tai-Cheng Liu , Kuang-Yu Yen
IPC: H03M001/10
CPC classification number: H03G3/3052 , H03G2201/206 , H03G2201/302 , H03G2201/305 , H03G2201/307 , H03G2201/502 , H03G2201/508 , H03M1/185 , H04B7/0814
Abstract: The invention provides an automatic gain control and antenna selection method used in a receiver of a radio communication system. The received signal power is estimated by digital signal processing after analog-to-digital conversion in the system, in order to adjust the gain of the front end analog signal until the magnitude of the analog signal is adjusted to an optimum range of the digital signal processing. In addition, the ADC is utilized to estimate the signal power as the basis of the antenna selection.
Abstract translation: 本发明提供一种在无线电通信系统的接收机中使用的自动增益控制和天线选择方法。 接收到的信号功率通过系统中模数转换后的数字信号处理来估计，以便调整前端模拟信号的增益，直到模拟信号的幅度被调整到数字信号的最佳范围 处理。 此外，ADC用于估计信号功率作为天线选择的基础。
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公开(公告)号：EP1787398A2
公开(公告)日：2007-05-23
申请号：EP05798668.9
申请日：2005-09-08
Applicant: Navini Networks, Inc. , Jin, Hang , Grabner, John , Huang, Jun , Ho, Daniel Wee Teck
Inventor： JIN, Hang , GRABNER, John , HUANG, Jun , HO, Daniel, Wee, Teck.
CPC classification number: H03G3/3052 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/706
Abstract: The present invention discloses a proactive gain control system (200) for a communications receiver. The proactive gain control system (200) includes a variable gain module (220) for outputting an output signal in response to an input signal. A detector (204) detects the output signal and outputs a detection signal representing a signal strength of the output signal. A traffic monitor (206) monitors the output signal and outputs a traffic profile signal indicating that a traffic profile for the input signal will change. A gain computing module (208) outputs a gain adjustment value in response to the detection signal and the traffic profile signal. A gain control module (210) outputs a gain control signal to the variable gain module (220), which determines a gain between the input and output signals, in response to the gain adjustment value.
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Patent Agency Ranking
公开(公告)号：EP1584169A1
公开(公告)日：2005-10-12
申请号：EP04703677.7
申请日：2004-01-20
Applicant: Thomson Licensing
Inventor： BOUILLET, Aaron , MAYER, Matthew
IPC: H04L27/08
CPC classification number: H03G3/3068 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307
Abstract: A method and apparatus for generating the adaptive gain control signals in a communications receiver is disclosed. The present invention can be used with existing two-stage gain architectures, and overcomes many undesirable characteristics of the previous mechanism. An apparatus is presented wherein each of a plurality of RF AGC gain controllable amplifiers (140 and 150) are individually controlled by individual AGC control signals generated by an AGC controller (105) so that the level of the output signal from each of the RF AGC gain controllable amplifiers is individually optimized for tuner performance (170 and 190).
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公开(公告)号：JP2006524976A
公开(公告)日：2006-11-02
申请号：JP2006517070
申请日：2004-01-20
Applicant: トムソン ライセンシングThomson Licensing
CPC classification number: H03G3/3068 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307
Abstract: 【課題】
通信受信機で適応利得制御信号を発生する方法及び装置が開示される。 本発明は、既存の二段利得構造と共に使用され、従来の構造の多くの望まない特性を克服する。
【解決手段】
装置は、夫々のＲＦ ＡＧＣ利得制御増幅器からの出力信号のレベルがチューナー性能に対して個々に最適化されるように、夫々のＲＦ ＡＧＣ利得制御増幅器がＡＧＣ制御器によって発生する個々のＡＧＣ制御信号によって個々に制御されるように与えられる。-
公开(公告)号：JP2005286806A
公开(公告)日：2005-10-13
申请号：JP2004099582
申请日：2004-03-30
Inventor： ISHIHARA TAKESHI
IPC: H03G3/20 , H03F3/45 , H03G3/00 , H03G3/30 , H03M1/12 , H03M1/18 , H04B1/06 , H04B1/16 , H04B7/00
CPC classification number: H04W52/22 , H03G3/3068 , H03G2201/103 , H03G2201/202 , H03G2201/305 , H03G2201/307 , H03G2201/702 , H03M1/122 , H03M1/18 , H03M1/183
Abstract: PROBLEM TO BE SOLVED: To provide an automatic gain control device and the automatic gain control method which converge control action in a stable state during a short period of time in changing frequency of a receiving radio signal which occurs at the time of a compressed mode of WCDMA (Wideband Code Division Multiple Access), etc.
SOLUTION: A memory device storing a gain setting value is installed in the automatic gain control device, in changing frequency of the receiving signal from a gain setting value stored in the past, the device predicts and calculates the optimal gain setting value corresponding to a frequency after the change is carried out. The changing over of the frequency is carried out using the gain setting value which is predicted and calculated.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题：提供一种自动增益控制装置和自动增益控制方法，其在短时间内将控制动作在稳定状态下收敛，以改变在接收无线电信号发生时的接收无线电信号的频率 WCDMA（宽带码分多址）的压缩模式等。解决方案：存储增益设定值的存储装置安装在自动增益控制装置中，从存储在存储器中的增益设定值改变接收信号的频率 过去，设备预测并计算与执行改变之后的频率对应的最佳增益设置值。 使用预测和计算的增益设定值来进行频率的切换。 版权所有（C）2006，JPO＆NCIPI
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29.发明申请SYSTEM FOR DYNAMIC CONTROL OF AUTOMATIC GAIN CONTROL TAKE-OVER-POINT AND METHOD OF OPERATION 审中-公开自动增益控制动态控制系统及其运行方法
公开(公告)号：WO2006071932A3
公开(公告)日：2007-05-03
申请号：PCT/US2005047242
申请日：2005-12-28
Applicant: MICROTUNE TEXAS LP , HENNIG ANDREAS
Inventor： HENNIG ANDREAS
CPC classification number: H03G3/3068 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307 , H03G2201/706
Abstract: A receiver for processing a signal comprises a first amplifier circuit and a second amplifier circuit. The first amplifier circuit is operated in association with a first gain profile. The second amplifier circuit is operated in association with a second gain profile. The receiver further comprises a gain control circuit that determines a quality indicator associated with a modulated signal. The gain control circuit adjusts the first gain profile and the second gain profile based at least in part upon the determined quality indicator.
Abstract translation: 用于处理信号的接收器包括第一放大器电路和第二放大器电路。 第一放大器电路与第一增益曲线相关联地操作。 第二放大器电路与第二增益曲线相关联地操作。 接收机还包括增益控制电路，其确定与调制信号相关联的质量指示符。 增益控制电路至少部分地基于所确定的质量指示符来调整第一增益曲线和第二增益曲线。
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30.发明申请SYSTEM FOR DYNAMIC CONTROL OF AUTOMATIC GAIN CONTROL TAKE-OVER-POINT AND METHOD OF OPERATION 审中-公开自动增益控制动态控制系统及其运行方法
公开(公告)号：WO2006071932A2
公开(公告)日：2006-07-06
申请号：PCT/US2005/047242
申请日：2005-12-28
Applicant: MICROTUNE (TEXAS), L.P. , HENNIG, Andreas
Inventor： HENNIG, Andreas
CPC classification number: H03G3/3068 , H03G2201/103 , H03G2201/204 , H03G2201/305 , H03G2201/307 , H03G2201/706
Abstract: A receiver for processing a signal comprises a first amplifier circuit and a second amplifier circuit. The first amplifier circuit is operated in association with a first gain profile. The second amplifier circuit is operated in association with a second gain profile. The receiver further comprises a gain control circuit that determines a quality indicator associated with a modulated signal. The gain control circuit adjusts the first gain profile and the second gain profile based at least in part upon the determined quality indicator.
Abstract translation: 用于处理信号的接收器包括第一放大器电路和第二放大器电路。 第一放大器电路与第一增益曲线相关联地操作。 第二放大器电路与第二增益曲线相关联地操作。 接收机还包括增益控制电路，其确定与调制信号相关联的质量指示符。 增益控制电路至少部分地基于所确定的质量指示符来调整第一增益曲线和第二增益曲线。
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