WO2011100920A3 - 无线接收机中自动增益调整的方法及装置 - Google Patents

无线接收机中自动增益调整的方法及装置 Download PDF

Info

Publication number
WO2011100920A3
WO2011100920A3 PCT/CN2011/072739 CN2011072739W WO2011100920A3 WO 2011100920 A3 WO2011100920 A3 WO 2011100920A3 CN 2011072739 W CN2011072739 W CN 2011072739W WO 2011100920 A3 WO2011100920 A3 WO 2011100920A3
Authority
WO
WIPO (PCT)
Prior art keywords
power
wireless receiver
gain
signals
automatic gain
Prior art date
Application number
PCT/CN2011/072739
Other languages
English (en)
French (fr)
Other versions
WO2011100920A2 (zh
Inventor
秦健华
陈俊仕
曾云宝
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201180000313.1A priority Critical patent/CN102187588B/zh
Priority to PCT/CN2011/072739 priority patent/WO2011100920A2/zh
Publication of WO2011100920A2 publication Critical patent/WO2011100920A2/zh
Publication of WO2011100920A3 publication Critical patent/WO2011100920A3/zh
Priority to US13/964,952 priority patent/US8818313B2/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

提供了一种无线接收机中自动增益调整的方法和装置，涉及通信技术领域，可以保证射频，模拟器件以及数字域各节点不饱和并将有用的信号功率调整到一定的功率水平。该方法和装置通过将预设的第一目标功率减去空口总信号功率得出模拟域增益控制AAGC的增益(101)；然后将数字基带干扰信号功率减去第二目标功率得到数字域增益控制DAGC的增益(102)。该方法和装置的方案不仅可以在长期演进（LTE）系统中应用，也可以推广到其他采用正交频分复用（0FDM）技术的无线通信系统中去，例如WiMax等。
PCT/CN2011/072739 2011-04-13 2011-04-13 无线接收机中自动增益调整的方法及装置 WO2011100920A2 (zh)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201180000313.1A CN102187588B (zh) 2011-04-13 2011-04-13 无线接收机中自动增益调整的方法及装置
PCT/CN2011/072739 WO2011100920A2 (zh) 2011-04-13 2011-04-13 无线接收机中自动增益调整的方法及装置
US13/964,952 US8818313B2 (en) 2011-04-13 2013-08-12 Method and apparatus for auto gain control in radio receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/072739 WO2011100920A2 (zh) 2011-04-13 2011-04-13 无线接收机中自动增益调整的方法及装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/964,952 Continuation US8818313B2 (en) 2011-04-13 2013-08-12 Method and apparatus for auto gain control in radio receiver

Publications (2)

Publication Number Publication Date
WO2011100920A2 WO2011100920A2 (zh) 2011-08-25
WO2011100920A3 true WO2011100920A3 (zh) 2011-12-08

Family

ID=44483390

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/072739 WO2011100920A2 (zh) 2011-04-13 2011-04-13 无线接收机中自动增益调整的方法及装置

Country Status (3)

Country Link
US (1) US8818313B2 (zh)
CN (1) CN102187588B (zh)
WO (1) WO2011100920A2 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820898B (zh) * 2012-07-16 2015-04-08 深圳市海思半导体有限公司 一种增益调整方法及设备
CN102820937A (zh) * 2012-07-25 2012-12-12 华为技术有限公司 一种rssi测量方法和rssi测量装置、接收机
CN103222211B (zh) 2012-12-06 2014-12-03 华为技术有限公司 一种接收信号强度指示的检测装置和方法
US9288776B2 (en) * 2013-11-05 2016-03-15 Qualcomm Incorporated Apparatus and method of wideband automatic gain control algorithm supporting multiple carriers with possibly different air interface technologies
CN104617904A (zh) * 2015-02-05 2015-05-13 东南大学 一种基于数字rssi检测的自动增益控制电路及其控制方法
CN104811413B (zh) * 2015-05-11 2018-05-01 武汉邮电科学研究院 Lte cpri接口的双dagc因子压解装置
EP3430741B1 (en) * 2016-03-15 2022-05-04 Commscope Technologies LLC Gain control for a radio frequency (rf) front-end of base station
CN108573709B (zh) * 2017-03-09 2020-10-30 中移（杭州）信息技术有限公司 一种自动增益控制方法及装置
US10587295B1 (en) * 2018-12-12 2020-03-10 Silicon Laboratories Inc. Wireless receiver with automatic gain control optimization for sensitivity and distortion
CN112187300B (zh) * 2019-07-05 2023-06-06 中兴通讯股份有限公司 增益调整控制方法、装置、设备及计算机可读存储介质
CN112543008A (zh) * 2019-09-23 2021-03-23 武汉芯泰科技有限公司 一种增益控制方法及装置
CN111245765A (zh) * 2020-01-19 2020-06-05 西安云维智联科技有限公司 一种有线载波通信信号自适应增益跟踪捕获方法及装置
CN115065370B (zh) * 2022-03-31 2024-04-02 北京全路通信信号研究设计院集团有限公司 一种增益控制方法、装置、设备和介质
CN115941411B (zh) * 2022-07-04 2023-07-28 上海星思半导体有限责任公司 信号处理方法、装置、电子设备及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1305270A (zh) * 1999-12-08 2001-07-25 日本电气株式会社 接收功率电平计算电路和使用此电路的接收机
US6556636B1 (en) * 1997-08-05 2003-04-29 Sony Corporation Digital communication apparatus having level controller with a disturbance detection unit
CN1774080A (zh) * 2004-11-12 2006-05-17 上海乐金广电电子有限公司 输入信号检测设备及方法
US7483500B2 (en) * 2001-05-01 2009-01-27 Ipr Licensing, Inc. Narrowband gain control of receiver with digital post filtering

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7076225B2 (en) 2001-02-16 2006-07-11 Qualcomm Incorporated Variable gain selection in direct conversion receiver
US6836647B2 (en) * 2002-04-10 2004-12-28 Nokia Corporation Device and method for CDMA-signal power estimation
US6950641B2 (en) * 2003-01-31 2005-09-27 Nokia Corporation Apparatus, and an associated method, for increasing receiver sensitivity of a direct conversion receiver
US7929649B2 (en) * 2004-06-30 2011-04-19 Stmicroelectronics, Inc. Analog/digital carrier differentiation in digital cable receivers
US7656975B2 (en) * 2005-02-10 2010-02-02 Via Telecom Co., Ltd. Gain control in signal processing with feed-forward gain correction
US20070071149A1 (en) 2005-09-27 2007-03-29 Linbo Li Maximum ratio combining in broadcast OFDM systems based on multiple receive antennas
US7701371B2 (en) 2006-04-04 2010-04-20 Qualcomm Incorporated Digital gain computation for automatic gain control
US20070247555A1 (en) 2006-04-21 2007-10-25 Diersing Steven L Delivery system for dispensing volatile materials with high level of solids using an electromechanical transducer device
US8548105B2 (en) 2008-08-05 2013-10-01 Qualcomm Incorported Joint time-frequency automatic gain control for wireless communication
CN101567672B (zh) * 2009-05-15 2013-04-17 杭州华三通信技术有限公司 获取增益的方法及系统
CN101964774B (zh) * 2010-10-14 2013-09-18 信源通科技（西安）有限公司 一种适用于ofdm系统的自动增益控制方法及控制电路

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6556636B1 (en) * 1997-08-05 2003-04-29 Sony Corporation Digital communication apparatus having level controller with a disturbance detection unit
CN1305270A (zh) * 1999-12-08 2001-07-25 日本电气株式会社 接收功率电平计算电路和使用此电路的接收机
US7483500B2 (en) * 2001-05-01 2009-01-27 Ipr Licensing, Inc. Narrowband gain control of receiver with digital post filtering
CN1774080A (zh) * 2004-11-12 2006-05-17 上海乐金广电电子有限公司 输入信号检测设备及方法

Also Published As

Publication number Publication date
WO2011100920A2 (zh) 2011-08-25
CN102187588A (zh) 2011-09-14
CN102187588B (zh) 2013-06-05
US20130324065A1 (en) 2013-12-05
US8818313B2 (en) 2014-08-26

Similar Documents

Publication Publication Date Title
WO2011100920A3 (zh) 无线接收机中自动增益调整的方法及装置
MX2018001470A (es) Activacion de celulas.
WO2011103186A3 (en) Methods and apparatus for network energy savings in a wireless communication system
AU2011349036A8 (en) RACH procedures and power level for MTC devices
WO2011136518A3 (en) Method and apparatus for controlling inter-cell interference of control channels in ofdm-based hierarchical cellular system
WO2013015646A3 (ko) 무선 통신 시스템에서 동기화 신호 전송 방법 및 장치
WO2014053488A3 (en) Method and apparatus for adapting an rf receiver configuration
WO2010138921A3 (en) Signal transmission with fixed subcarrier spacing within ofdma communication systems
WO2012096520A3 (en) Uplink transmission power configuration method and apparatus for mobile communication system
WO2013066084A3 (ko) 하향링크 제어채널 모니터링 방법 및 무선기기
WO2012151065A3 (en) Systems and methods of wireless communication with remote radio heads
WO2011159135A3 (en) Method and apparatus for grouping control channel resource in mobile communication system
WO2011118993A3 (en) Method and apparatus for reducing inter-cell interference in radio communication system
WO2011019835A3 (en) Interference mitigation by puncturing transmission of interfering cells
WO2012064117A3 (ko) 무선 통신 시스템에서 셀간 간섭 조정에 대한 하향링크 제어 채널의 송수신 방법 및 장치
WO2018055512A3 (en) Frequency adjustment for high speed lte deployments
WO2011123516A3 (en) Methods and apparatus for determining a communications mode and/or using a determined communications mode
EP3937551A3 (en) Random access channel in multicarrier wireless communications with timing advance groups
WO2011005726A3 (en) Midamble for wireless networks
WO2010032955A3 (ko) 펨토셀 기지국의 동기화 방법 및 이를 이용한 펨토셀 기지국
WO2010087622A2 (ko) 전송 전력을 제어하는 방법 및 이를 위한 장치
WO2011052965A3 (en) Dynamic uplink power control method and device in a wireless communications system
MY166137A (en) Method and system for setting reference signal in wireless communication system
RU2014101352A (ru) Беспроводное устройство, сетевой узел и способы для них
WO2011044171A3 (en) Component carrier power control in multi-carrier wireless network

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180000313.1

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11744278

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11744278

Country of ref document: EP

Kind code of ref document: A2