BR9509158A - Controole de ganho automático (agc) digital para um radiotelefone no sistema de acesso múltiplo por divisão de código (cdma) - Google Patents

Controole de ganho automático (agc) digital para um radiotelefone no sistema de acesso múltiplo por divisão de código (cdma)

Info

Publication number
BR9509158A
BR9509158A BR9509158A BR9509158A BR9509158A BR 9509158 A BR9509158 A BR 9509158A BR 9509158 A BR9509158 A BR 9509158A BR 9509158 A BR9509158 A BR 9509158A BR 9509158 A BR9509158 A BR 9509158A
Authority
BR
Brazil
Prior art keywords
radiotelephone
agc
cdma
multiple access
division multiple
Prior art date
Application number
BR9509158A
Other languages
English (en)
Inventor
Kjell Ostman
Original Assignee
Nokia Mobile Phones Inc
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Inc, Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Inc
Publication of BR9509158A publication Critical patent/BR9509158A/pt

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
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3036—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers
    • H03G3/3042—Automatic control in amplifiers having semiconductor devices in high-frequency amplifiers or in frequency-changers in modulators, frequency-changers, transmitters or power amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Mobile Radio Communication Systems (AREA)
BR9509158A 1994-09-27 1995-09-25 Controole de ganho automático (agc) digital para um radiotelefone no sistema de acesso múltiplo por divisão de código (cdma) BR9509158A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/312,813 US5566201A (en) 1994-09-27 1994-09-27 Digital AGC for a CDMA radiotelephone
PCT/US1995/012180 WO1996010298A1 (en) 1994-09-27 1995-09-25 Digital agc for a cdma radiotelephone

Publications (1)

Publication Number Publication Date
BR9509158A true BR9509158A (pt) 1997-11-11

Family

ID=23213122

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9509158A BR9509158A (pt) 1994-09-27 1995-09-25 Controole de ganho automático (agc) digital para um radiotelefone no sistema de acesso múltiplo por divisão de código (cdma)

Country Status (9)

Country Link
US (1) US5566201A (pt)
EP (1) EP0783801B1 (pt)
JP (1) JPH10506764A (pt)
CN (1) CN1103146C (pt)
AU (1) AU3682895A (pt)
BR (1) BR9509158A (pt)
CA (1) CA2198595A1 (pt)
DE (1) DE69533483T2 (pt)
WO (1) WO1996010298A1 (pt)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7123600B2 (en) * 1995-06-30 2006-10-17 Interdigital Technology Corporation Initial power control for spread-spectrum communications
ZA965340B (en) 1995-06-30 1997-01-27 Interdigital Tech Corp Code division multiple access (cdma) communication system
US7929498B2 (en) 1995-06-30 2011-04-19 Interdigital Technology Corporation Adaptive forward power control and adaptive reverse power control for spread-spectrum communications
US6885652B1 (en) 1995-06-30 2005-04-26 Interdigital Technology Corporation Code division multiple access (CDMA) communication system
US7020111B2 (en) 1996-06-27 2006-03-28 Interdigital Technology Corporation System for using rapid acquisition spreading codes for spread-spectrum communications
DE19536527C2 (de) * 1995-09-29 1998-05-07 Siemens Ag Empfängerarchitektur zum Empfangen von winkelmodulierten/-getasteten Trägersignalen
US5930286A (en) * 1995-12-06 1999-07-27 Conexant Systems, Inc. Gain imbalance compensation for a quadrature receiver in a cordless direct sequence spread spectrum telephone
DE69624673T2 (de) * 1996-01-17 2003-09-18 Nokia Corp., Espoo Verfahren zur Ausdehnung des Bereichs eines Empfangssignalstärkenindikators und nach diesem Verfahren arbeitender Funksendeempfänger
US5721757A (en) * 1996-03-20 1998-02-24 Lucent Technologies Inc. Automatic gain control loop
FI101659B1 (fi) 1996-07-12 1998-07-31 Nokia Mobile Phones Ltd Viiveen estimointimenetelmä ja vastaanotin
US6766176B1 (en) 1996-07-23 2004-07-20 Qualcomm Incorporated Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
KR100193843B1 (ko) * 1996-09-13 1999-06-15 윤종용 이동통신시스템 송수신기의 디지탈 자동이득제어방법 및 장치
GB2318004A (en) * 1996-10-01 1998-04-08 Nokia Mobile Phones Ltd A diode detector
KR100193848B1 (ko) * 1996-10-05 1999-06-15 윤종용 대역확산통신기에 있어서 수신신호 이득 자동제어장치 및 방법
FI109735B (fi) 1997-02-28 2002-09-30 Nokia Corp Vastaanottomenetelmä ja vastaanotin
US6009129A (en) * 1997-02-28 1999-12-28 Nokia Mobile Phones Device and method for detection and reduction of intermodulation distortion
US6396867B1 (en) * 1997-04-25 2002-05-28 Qualcomm Incorporated Method and apparatus for forward link power control
US5896411A (en) * 1997-05-05 1999-04-20 Northern Telecom Limited Enhanced reverse link power control in a wireless communication system
JP2856198B2 (ja) * 1997-06-11 1999-02-10 日本電気株式会社 スペクトラム拡散受信機
US6078570A (en) * 1997-08-21 2000-06-20 Nokia Mobile Phones Limited Mobile assisted hard hand-off for a code division multiple access (CDMA) system
GB2328584B (en) 1997-08-22 2002-05-29 Nokia Mobile Phones Ltd Switching control method and apparatus for wireless telecommunications
US6154455A (en) * 1997-12-24 2000-11-28 Nokia Mobile Phones Limited Prioritizing pilot set searching for a CDMA telecommunications system
US6038435A (en) * 1997-12-24 2000-03-14 Nortel Networks Corporation Variable step-size AGC
KR100264897B1 (ko) * 1998-03-05 2000-09-01 윤종용 이동통신 단말기의 전원공급방법 및 장치
US6434186B2 (en) * 1998-03-27 2002-08-13 Nokia Mobile Phones Limited Priority channel search based on spectral analysis and signal recognition
FI107365B (fi) 1998-04-27 2001-07-13 Nokia Mobile Phones Ltd Menetelmä ja järjestelmä muuttuvan datankäsittelyn ilmaisemiseksi tiedonsiirtoyhteydessä
US6353626B1 (en) 1998-05-04 2002-03-05 Nokia Mobile Phones Limited Methods and apparatus for providing non-uniform de-multiplexing in a multi-carrier wide band CDMA system
GB2337413A (en) 1998-05-15 1999-11-17 Nokia Mobile Phones Ltd alternative Channel Measurement in a Radio Communication system
GB9811382D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transmitter
GB9811380D0 (en) 1998-05-27 1998-07-22 Nokia Mobile Phones Ltd A transciever for wireless communication
JP3314723B2 (ja) * 1998-06-10 2002-08-12 日本電気株式会社 ディジタル自動利得制御用リニアライザ及びこれを用いたディジタル自動利得制御回路
US7068617B1 (en) * 1998-06-25 2006-06-27 Texas Instruments Incorporated Low complexity CDMA receiver
FI981518A (fi) 1998-07-01 2000-01-02 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä ja radiojärjestelmä
US6278702B1 (en) * 1998-12-02 2001-08-21 Nortel Networks Limited Method for limiting the dynamic range of a CDMA signal
US6658047B1 (en) 1999-03-10 2003-12-02 Nokia Corporation Adaptive channel equalizer
US6721293B1 (en) 1999-03-10 2004-04-13 Nokia Corporation Unsupervised adaptive chip separation filter for CDMA terminal
KR100742140B1 (ko) * 1999-03-30 2007-07-24 퀄컴 인코포레이티드 이동전화 스피커와 마이크로폰 이득을 자동으로 조정하는방법 및 장치
CN100514989C (zh) * 1999-03-30 2009-07-15 高通股份有限公司 通信设备话筒增益调节器
US7545774B1 (en) 1999-08-26 2009-06-09 Nokia Corporation Method for indicating power consumption in a packet switched communication system
SE9903235L (sv) * 1999-09-10 2001-03-11 Ericsson Telefon Ab L M Förfarande och anordning i ett telekommunikationssystem
JP3739985B2 (ja) 2000-01-31 2006-01-25 富士通株式会社 送信機利得安定化装置
WO2002007402A1 (en) 2000-07-17 2002-01-24 Mitsubishi Denki Kabushiki Kaisha Automatic gain control and wireless communication device
US7046749B2 (en) 2001-05-01 2006-05-16 Ipr Licensing, Inc. Narrowband gain control of receiver with digital post filtering
US7277510B1 (en) 2001-05-16 2007-10-02 Maxim Integrated Products, Inc. Adaptation algorithm based on signal statistics for automatic gain control
US7245725B1 (en) * 2001-05-17 2007-07-17 Cypress Semiconductor Corp. Dual processor framer
EP1410500A1 (en) * 2001-06-28 2004-04-21 Danacom A/S Volume control in a communication device interface unit
GB2377128B (en) * 2001-06-29 2004-09-08 Nokia Corp Automatic gain control
US6707865B2 (en) * 2001-07-16 2004-03-16 Qualcomm Incorporated Digital voltage gain amplifier for zero IF architecture
WO2003041296A1 (en) * 2001-10-29 2003-05-15 Nokia Corporation Method for gain control and corresponding receiving unit
US7130602B2 (en) * 2002-10-31 2006-10-31 Qualcomm Incorporated Dynamically programmable receiver
US7372928B1 (en) 2002-11-15 2008-05-13 Cypress Semiconductor Corporation Method and system of cycle slip framing in a deserializer
EP1439636A1 (en) * 2003-01-08 2004-07-21 Agilent Technologies, Inc., a corporation of the State of Delaware Automatic gain control method
JP2005167861A (ja) * 2003-12-04 2005-06-23 Nec Corp 受信レベルモニタ機能付ａｇｃ回路
JP4572103B2 (ja) * 2004-11-04 2010-10-27 Ｎｅｃネットワーク・センサ株式会社 電力増幅器および電力増幅方法
CN101192862B (zh) * 2006-11-30 2013-01-16 昂达博思公司 用于无线通信***的自动增益控制方法和设备
US8447595B2 (en) * 2010-06-03 2013-05-21 Apple Inc. Echo-related decisions on automatic gain control of uplink speech signal in a communications device
US20130116802A1 (en) * 2010-06-30 2013-05-09 Metso Automation Oy Tracking simulation method
CN106411318A (zh) * 2015-07-28 2017-02-15 富士通株式会社 随机游走滤波器的步长调整方法及装置、自动增益控制装置

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54104760A (en) * 1978-02-03 1979-08-17 Nec Corp Amplifier of low power consumption type
US4225976A (en) * 1978-02-28 1980-09-30 Harris Corporation Pre-calibration of gain control circuit in spread-spectrum demodulator
US4387465A (en) * 1981-04-13 1983-06-07 Trw Inc. Sequential threshold detector
US4613990A (en) * 1984-06-25 1986-09-23 At&T Bell Laboratories Radiotelephone transmission power control
US4901307A (en) * 1986-10-17 1990-02-13 Qualcomm, Inc. Spread spectrum multiple access communication system using satellite or terrestrial repeaters
US4899364A (en) * 1987-07-31 1990-02-06 Clarion Co., Ltd. Automatic gain control system
JPH0748674B2 (ja) * 1988-09-02 1995-05-24 クラリオン株式会社 スペクトラム拡散受信機
US4972430A (en) * 1989-03-06 1990-11-20 Raytheon Company Spread spectrum signal detector
FI86013C (fi) * 1989-03-29 1992-06-25 Nokia Mobira Oy Foerfarande foer omvandling av en operationsklass av en saendare.
US5265119A (en) * 1989-11-07 1993-11-23 Qualcomm Incorporated Method and apparatus for controlling transmission power in a CDMA cellular mobile telephone system
US5056109A (en) * 1989-11-07 1991-10-08 Qualcomm, Inc. Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system
US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system
JPH0777361B2 (ja) * 1990-07-04 1995-08-16 クラリオン株式会社 スペクトラム拡散受信装置
US5134631A (en) * 1990-07-26 1992-07-28 Unisys Corp. Digital gain controller
JPH0783292B2 (ja) * 1990-09-21 1995-09-06 クラリオン株式会社 スペクトラム拡散通信機
US5129098A (en) * 1990-09-24 1992-07-07 Novatel Communication Ltd. Radio telephone using received signal strength in controlling transmission power
US5099204A (en) * 1990-10-15 1992-03-24 Qualcomm Incorporated Linear gain control amplifier
US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
US5299226A (en) * 1990-11-16 1994-03-29 Interdigital Technology Corporation Adaptive power control for a spread spectrum communications system and method
US5107225A (en) * 1990-11-30 1992-04-21 Qualcomm Incorporated High dynamic range closed loop automatic gain control circuit
US5204970A (en) * 1991-01-31 1993-04-20 Motorola, Inc. Communication system capable of adjusting transmit power of a subscriber unit
FI88981C (fi) * 1991-09-09 1993-07-26 Elektrobit Oy Foerfarande foer automatisk reglering av saendningseffekten i en saendar-mottagarenhet laempad foer en koduppdelad multipelaotkomstomgivning som utnyttjar direktsekvensspridning
US5222104A (en) * 1991-12-30 1993-06-22 Motorola, Inc. Gain control circuit for radio transmitter
JPH05191896A (ja) * 1992-01-13 1993-07-30 Pioneer Electron Corp 擬似ステレオ装置
US5452473A (en) * 1994-02-28 1995-09-19 Qualcomm Incorporated Reverse link, transmit power correction and limitation in a radiotelephone system

Also Published As

Publication number Publication date
DE69533483T2 (de) 2005-09-22
CN1158677A (zh) 1997-09-03
EP0783801B1 (en) 2004-09-08
DE69533483D1 (de) 2004-10-14
US5566201A (en) 1996-10-15
WO1996010298A1 (en) 1996-04-04
AU3682895A (en) 1996-04-19
CN1103146C (zh) 2003-03-12
CA2198595A1 (en) 1996-04-04
EP0783801A4 (en) 1999-08-18
JPH10506764A (ja) 1998-06-30
EP0783801A2 (en) 1997-07-16

Similar Documents

Publication Publication Date Title
BR9509158A (pt) Controole de ganho automático (agc) digital para um radiotelefone no sistema de acesso múltiplo por divisão de código (cdma)
DE19782219T1 (de) Automatisches Steuersystem
DE69017595D1 (de) Automatisches Transportsystem.
ZA978096B (en) Automatic grid layout system.
DE59006315D1 (de) Schaltung zur automatischen Verstärkungsregelung in MOS-Technik.
DE68922992D1 (de) System zur automatischen scharfeinstellung.
TR199701440A3 (tr) Koaksiyal mars otomatik.
DE69721158D1 (de) CDMA Nachrichtenübertragungssystem
GB2330961B (en) Automatic Gain Control
ZA996636B (en) Control system for the face support.
EP0602843A3 (en) Despreading process for a CDMA system.
GB9009940D0 (en) Control system,e.g.for use in an automatic cooling system
DE68916066D1 (de) System zur automatischen Verstärkungsregelung.
IT1302872B1 (it) Impianto di frenatura di blocco per funzionamento automatico,asservito e muscolare.
MX9102143A (es) Trampa para balas.
GB9316681D0 (en) Fast-acting automatic gain control arrangement
AU2346299A (en) Automatic positioning control system
NO941930D0 (no) Anordning for automatisk forsterkningsregulering
FR2700910B1 (fr) Système automatique de mémorisation de canal de radiodiffusion codé.
KR950003863U (ko) 배수구용 에프.아르.피.(f.r.p.) 자동문비
ZA971350B (en) Performance-based control system.
ES1027799Y (es) Dispositivo posicionador automatico de tuercas.
ES1034267Y (es) Dispositivo para riego automatico.
ES1036452Y (es) Dispositivo de ventilacion para invernaderos.
IT1314941B1 (it) Sistema automatico per eliporto.

Legal Events

Date Code Title Description
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FA8 Dismissal: dismissal - article 36, par. 1 of industrial property law
B15K Others concerning applications: alteration of classification

Ipc: H04W 52/52 (2009.01), H03G 3/30 (2006.0