PT92433A - Controlo de ganho automatico digital - Google Patents

Controlo de ganho automatico digital

Info

Publication number
PT92433A
PT92433A PT92433A PT9243389A PT92433A PT 92433 A PT92433 A PT 92433A PT 92433 A PT92433 A PT 92433A PT 9243389 A PT9243389 A PT 9243389A PT 92433 A PT92433 A PT 92433A
Authority
PT
Portugal
Prior art keywords
agc
signal
dynamic range
receiver
level
Prior art date
Application number
PT92433A
Other languages
English (en)
Other versions
PT92433B (pt
Inventor
David Edward Borth
James Frank Michael Kepler
Frank Joseph Cerny Jr
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of PT92433A publication Critical patent/PT92433A/pt
Publication of PT92433B publication Critical patent/PT92433B/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/38TPC being performed in particular situations
    • H04W52/40TPC being performed in particular situations during macro-diversity or soft handoff
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03GCONTROL OF AMPLIFICATION
    • H03G3/00Gain control in amplifiers or frequency changers
    • H03G3/20Automatic control
    • H03G3/30Automatic control in amplifiers having semiconductor devices
    • H03G3/3052Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078Circuits generating control signals for digitally modulated signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/309Measuring or estimating channel quality parameters
    • H04B17/318Received signal strength
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/16Time-division multiplex systems in which the time allocation to individual channels within a transmission cycle is variable, e.g. to accommodate varying complexity of signals, to vary number of channels transmitted
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/18Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22Demodulator circuits; Receiver circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/24Reselection being triggered by specific parameters
    • H04W36/30Reselection being triggered by specific parameters by measured or perceived connection quality data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/52Transmission power control [TPC] using AGC [Automatic Gain Control] circuits or amplifiers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/20Manipulation of established connections
    • H04W76/28Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Glass Compositions (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
PT92433A 1988-11-30 1989-11-28 Controlo de ganho automatico digital PT92433B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US27805188A 1988-11-30 1988-11-30

Publications (2)

Publication Number Publication Date
PT92433A true PT92433A (pt) 1990-05-31
PT92433B PT92433B (pt) 1995-09-12

Family

ID=23063490

Family Applications (1)

Application Number Title Priority Date Filing Date
PT92433A PT92433B (pt) 1988-11-30 1989-11-28 Controlo de ganho automatico digital

Country Status (17)

Country Link
EP (1) EP0371700B1 (pt)
JP (1) JP2580873B2 (pt)
KR (1) KR930007134B1 (pt)
CN (1) CN1014200B (pt)
AT (1) ATE103750T1 (pt)
CA (1) CA2000785C (pt)
DD (1) DD292787A5 (pt)
DE (1) DE68914262T2 (pt)
DK (1) DK101591A (pt)
ES (1) ES2050819T3 (pt)
IE (1) IE64560B1 (pt)
IL (1) IL91947A (pt)
MX (1) MX171680B (pt)
MY (1) MY105777A (pt)
PT (1) PT92433B (pt)
TR (1) TR24905A (pt)
WO (1) WO1990006644A1 (pt)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8915172D0 (en) * 1989-07-01 1989-08-23 Orbitel Mobile Communications Receiver gain control for radio telephone system
BR9105733A (pt) * 1990-04-27 1992-05-19 Motorola Inc Processo e aparelho para controle de ganho automatico em receptor
WO1992003892A1 (en) * 1990-08-24 1992-03-05 Motorola, Inc. Dual mode automatic gain control
US5187809A (en) * 1990-08-24 1993-02-16 Motorola, Inc. Dual mode automatic gain control
US5222104A (en) * 1991-12-30 1993-06-22 Motorola, Inc. Gain control circuit for radio transmitter
JP2861631B2 (ja) 1992-05-06 1999-02-24 日本電気株式会社 Fsk受信機
JPH05327378A (ja) * 1992-05-22 1993-12-10 Toshiba Corp 無線通信装置の自動利得制御回路
FR2699768B1 (fr) * 1992-12-23 1995-02-10 Alcatel Radiotelephone Procédé de contrôle automatique de gain pour un récepteur numérique, notamment un récepteur à accès multiple à répartition dans le temps et dispositif pour sa mise en Óoeuvre.
US5565932A (en) * 1994-11-08 1996-10-15 Zenith Electronics Corp. AGC system with pilot using digital data reference
JP2000500302A (ja) * 1995-11-10 2000-01-11 イオニカ インターナショナル リミティド 電話システムに於ける電力制御方法及び装置
RU2173501C2 (ru) * 1995-12-30 2001-09-10 Самсунг Электроникс Ко., Лтд. Способ и устройство для автоматической регулировки передаваемой мощности
JP3373216B2 (ja) * 1996-09-05 2003-02-04 三菱電機株式会社 利得制御方法及び受信装置
EP0992108A2 (en) * 1998-04-23 2000-04-12 Koninklijke Philips Electronics N.V. If-receiver
AU2133400A (en) * 1998-12-24 2000-07-31 Telefonaktiebolaget Lm Ericsson (Publ) Communication receiver having reduced dynamic range
DE10050330A1 (de) * 2000-10-11 2002-04-25 Infineon Technologies Ag Signalstärkeausgleich für stark zeitvariante Mobilfunkkanäle
RU2183840C2 (ru) * 2000-11-30 2002-06-20 Калмыков Вадим Валерьевич Способ и устройство управления передачей данных по радиоканалу
EP1231721A1 (en) * 2001-02-12 2002-08-14 Telefonaktiebolaget Lm Ericsson Method for controlling receive signal levels at a network node in TDMA point to multi-point radio communications systems
GB2392328B (en) * 2002-08-20 2006-03-01 Nokia Corp Gain control circuit
US7885627B2 (en) * 2003-07-07 2011-02-08 Advanced Micro Devices, Inc. Optimal initial gain selection for wireless receiver
CN100367781C (zh) * 2006-04-24 2008-02-06 上海交通大学 数字自动电平增益的控制方法
EP2045916B1 (en) * 2007-10-01 2014-12-17 JDS Uniphase Corporation Automatic gain control stress measurement for digital carriers
CN104135299B (zh) * 2014-07-18 2016-10-19 中国电子科技集团公司第四十一研究所 一种双通道两级变频宽带接收机及其自动增益控制方法
CN105071875A (zh) * 2015-08-26 2015-11-18 天津大学 一种场强测量系统及其测量方法
CN113596980B (zh) * 2021-09-14 2023-04-25 四川安迪科技实业有限公司 Mf-tdma返向链路接收机模拟agc的数字控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520952A1 (fr) * 1982-02-03 1983-08-05 Trt Telecom Radio Electr Dispositif de controle automatique de gain (cag) a action rapide
CA1209661A (en) * 1983-08-05 1986-08-12 Thomas M. Cairns Miniature electrical terminal for low energy electronic circuits
JPS60145713A (ja) * 1984-01-10 1985-08-01 Fujitsu Ltd 自動利得制御方式
US4613990A (en) * 1984-06-25 1986-09-23 At&T Bell Laboratories Radiotelephone transmission power control
DE3540722C2 (de) * 1985-11-16 1995-06-29 Daimler Benz Aerospace Ag Verfahren zur automatischen Pegelregelung
JPS62216511A (ja) * 1986-03-18 1987-09-24 Nec Corp 自動利得制御装置
US4696027A (en) * 1986-08-01 1987-09-22 Motorola, Inc. Handoff apparatus and method with interference reduction for a radio system

Also Published As

Publication number Publication date
DD292787A5 (de) 1991-08-08
CA2000785C (en) 1994-10-25
EP0371700A2 (en) 1990-06-06
DK101591D0 (da) 1991-05-28
CN1014200B (zh) 1991-10-02
MY105777A (en) 1995-01-30
IE64560B1 (en) 1995-08-23
ATE103750T1 (de) 1994-04-15
JP2580873B2 (ja) 1997-02-12
EP0371700A3 (en) 1992-02-26
IE893260L (en) 1990-05-30
DE68914262T2 (de) 1994-08-11
CN1043236A (zh) 1990-06-20
WO1990006644A1 (en) 1990-06-14
PT92433B (pt) 1995-09-12
IL91947A0 (en) 1990-06-10
DE68914262D1 (de) 1994-05-05
IL91947A (en) 1994-02-27
MX171680B (es) 1993-11-10
DK101591A (da) 1991-05-28
CA2000785A1 (en) 1990-05-31
JPH04502541A (ja) 1992-05-07
KR930007134B1 (ko) 1993-07-30
TR24905A (tr) 1992-07-20
ES2050819T3 (es) 1994-06-01
EP0371700B1 (en) 1994-03-30
KR900702682A (ko) 1990-12-08

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19950504

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19991130