DE69533483D1 - Digitales agc für cdma-funktelefon - Google Patents

Digitales agc für cdma-funktelefon

Info

Publication number
DE69533483D1
DE69533483D1 DE69533483T DE69533483T DE69533483D1 DE 69533483 D1 DE69533483 D1 DE 69533483D1 DE 69533483 T DE69533483 T DE 69533483T DE 69533483 T DE69533483 T DE 69533483T DE 69533483 D1 DE69533483 D1 DE 69533483D1
Authority
DE
Germany
Prior art keywords
radio telephone
cdma radio
digital agc
agc
digital
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69533483T
Other languages
English (en)
Other versions
DE69533483T2 (de
Inventor
Kjell Ostman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Oyj
Original Assignee
Nokia Oyj
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 Oyj filed Critical Nokia Oyj
Publication of DE69533483D1 publication Critical patent/DE69533483D1/de
Application granted granted Critical
Publication of DE69533483T2 publication Critical patent/DE69533483T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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 without distortion of the input signal
    • 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
DE69533483T 1994-09-27 1995-09-25 Digitales agc für cdma-funktelefon Expired - Lifetime DE69533483T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/312,813 US5566201A (en) 1994-09-27 1994-09-27 Digital AGC for a CDMA radiotelephone
US312813 1994-09-27
PCT/US1995/012180 WO1996010298A1 (en) 1994-09-27 1995-09-25 Digital agc for a cdma radiotelephone

Publications (2)

Publication Number Publication Date
DE69533483D1 true DE69533483D1 (de) 2004-10-14
DE69533483T2 DE69533483T2 (de) 2005-09-22

Family

ID=23213122

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69533483T Expired - Lifetime DE69533483T2 (de) 1994-09-27 1995-09-25 Digitales agc für cdma-funktelefon

Country Status (9)

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

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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
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US5721757A (en) * 1996-03-20 1998-02-24 Lucent Technologies Inc. Automatic gain control loop
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US6766176B1 (en) 1996-07-23 2004-07-20 Qualcomm Incorporated Method and apparatus for automatically adjusting speaker and microphone gains within a mobile telephone
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GB2318004A (en) * 1996-10-01 1998-04-08 Nokia Mobile Phones Ltd A diode detector
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FI109735B (fi) 1997-02-28 2002-09-30 Nokia Corp Vastaanottomenetelmä ja vastaanotin
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US6396867B1 (en) * 1997-04-25 2002-05-28 Qualcomm Incorporated Method and apparatus for forward link power control
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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
US6721293B1 (en) 1999-03-10 2004-04-13 Nokia Corporation Unsupervised adaptive chip separation filter for CDMA terminal
US6658047B1 (en) 1999-03-10 2003-12-02 Nokia Corporation Adaptive channel equalizer
ATE367011T1 (de) * 1999-03-30 2007-08-15 Qualcomm Inc Verfahren und vorrichtung zum automatischen einstellen der verstärkungen des mikrophon- und sprecherverstärkers in einem tragbaren telefon
EP1811660B1 (de) * 1999-03-30 2013-10-09 Qualcomm Incorporated Verfahren und Vorrichtung zum automatischen Einstellen der Verstärkung des Sprecherverstärkers in einem tragbaren Telephon
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
US7065164B1 (en) 2000-07-17 2006-06-20 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
US20040234068A1 (en) * 2001-06-28 2004-11-25 Hansen Niels Christian Steen 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
US20040131027A1 (en) * 2001-10-29 2004-07-08 Jouko Lokio 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 (de) * 2003-01-08 2004-07-21 Agilent Technologies, Inc., a corporation of the State of Delaware Verfahren zur automatischen verstärkungsregelung
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 用于无线通信系统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
WO2012001213A1 (en) * 2010-06-30 2012-01-05 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

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US4225976A (en) * 1978-02-28 1980-09-30 Harris Corporation Pre-calibration of gain control circuit in spread-spectrum demodulator
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US4613990A (en) * 1984-06-25 1986-09-23 At&T Bell Laboratories Radiotelephone transmission power control
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US4899364A (en) * 1987-07-31 1990-02-06 Clarion Co., Ltd. Automatic gain control system
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US4972430A (en) * 1989-03-06 1990-11-20 Raytheon Company Spread spectrum signal detector
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US5267262A (en) * 1989-11-07 1993-11-30 Qualcomm Incorporated Transmitter power control system
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US5099204A (en) * 1990-10-15 1992-03-24 Qualcomm Incorporated Linear gain control amplifier
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US5093840A (en) * 1990-11-16 1992-03-03 Scs Mobilecom, Inc. Adaptive power control for a spread spectrum transmitter
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Also Published As

Publication number Publication date
EP0783801A4 (de) 1999-08-18
JPH10506764A (ja) 1998-06-30
CN1103146C (zh) 2003-03-12
US5566201A (en) 1996-10-15
DE69533483T2 (de) 2005-09-22
EP0783801A2 (de) 1997-07-16
BR9509158A (pt) 1997-11-11
AU3682895A (en) 1996-04-19
EP0783801B1 (de) 2004-09-08
CN1158677A (zh) 1997-09-03
WO1996010298A1 (en) 1996-04-04
CA2198595A1 (en) 1996-04-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Representative=s name: BECKER, KURIG, STRAUS, 80336 MUENCHEN