DE69428883D1 - Gerät und verfahren zur automatischen verstärkungsregelung für einen spreizspektrum empfänger - Google Patents

Gerät und verfahren zur automatischen verstärkungsregelung für einen spreizspektrum empfänger

Info

Publication number
DE69428883D1
DE69428883D1 DE69428883T DE69428883T DE69428883D1 DE 69428883 D1 DE69428883 D1 DE 69428883D1 DE 69428883 T DE69428883 T DE 69428883T DE 69428883 T DE69428883 T DE 69428883T DE 69428883 D1 DE69428883 D1 DE 69428883D1
Authority
DE
Germany
Prior art keywords
receivers
gain control
automatic gain
spreading range
spreading
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
DE69428883T
Other languages
English (en)
Other versions
DE69428883T2 (de
Inventor
Mamoru Sawahashi
Fumiyuki Adachi
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.)
NTT Docomo Inc
Original Assignee
NTT Docomo 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 NTT Docomo Inc filed Critical NTT Docomo Inc
Publication of DE69428883D1 publication Critical patent/DE69428883D1/de
Application granted granted Critical
Publication of DE69428883T2 publication Critical patent/DE69428883T2/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
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/30—Circuits for homodyne or synchrodyne receivers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69428883T 1993-08-11 1994-08-09 Gerät und verfahren zur automatischen verstärkungsregelung für einen spreizspektrum empfänger Expired - Lifetime DE69428883T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19944893 1993-08-11
PCT/JP1994/001310 WO1995005038A1 (fr) 1993-08-11 1994-08-09 Appareil de commande automatique de gain, appareil de communications et procede de commande automatique de gain

Publications (2)

Publication Number Publication Date
DE69428883D1 true DE69428883D1 (de) 2001-12-06
DE69428883T2 DE69428883T2 (de) 2002-04-11

Family

ID=16407989

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428883T Expired - Lifetime DE69428883T2 (de) 1993-08-11 1994-08-09 Gerät und verfahren zur automatischen verstärkungsregelung für einen spreizspektrum empfänger

Country Status (5)

Country Link
US (1) US5745531A (de)
EP (1) EP0673125B1 (de)
CN (1) CN1042585C (de)
DE (1) DE69428883T2 (de)
WO (1) WO1995005038A1 (de)

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US6356736B2 (en) 1997-02-28 2002-03-12 Maxim Integrated Products, Inc. Direct-conversion tuner integrated circuit for direct broadcast satellite television
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US6005506A (en) * 1997-12-09 1999-12-21 Qualcomm, Incorporated Receiver with sigma-delta analog-to-digital converter for sampling a received signal
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FR2795259B1 (fr) * 1999-06-15 2007-05-11 Sagem Telephone mobile ayant une chaine de numerisation a gain variable rapidement et procede de numerisation par un tel telephone
US6397070B1 (en) 1999-07-21 2002-05-28 Qualcomm Incorporated Method and apparatus for estimating reverse link loading in a wireless communication system
JP3576913B2 (ja) * 2000-02-10 2004-10-13 三菱電機株式会社 スペクトル拡散復調器
US7085255B2 (en) * 2000-10-19 2006-08-01 Interdigital Technology Corporation Selectively activated AGC signal measurement unit
JP3444283B2 (ja) * 2000-10-31 2003-09-08 日本電気株式会社 スペクトラム拡散通信方式受信機
US6510339B2 (en) 2000-12-06 2003-01-21 Cardiac Pacemakers, Inc. ECG auto-gain control
JP3679015B2 (ja) * 2001-02-27 2005-08-03 シャープ株式会社 Ｃｄｍａ方式の受信装置
US7263143B1 (en) * 2001-05-07 2007-08-28 Adaptix, Inc. System and method for statistically directing automatic gain control
DE10208415B4 (de) * 2002-02-27 2006-03-16 Advanced Micro Devices, Inc., Sunnyvale Verstärkungsregelung in WLAN-Geräten
US7294567B2 (en) * 2002-03-11 2007-11-13 Micron Technology, Inc. Semiconductor contact device and method
US20040031499A1 (en) * 2002-08-19 2004-02-19 Gus Stankovic Fluid dispensing brush
US20040097209A1 (en) * 2002-11-14 2004-05-20 Haub David R. Automatic gain control apparatus and methods
AU2002368401A1 (en) * 2002-12-02 2004-06-23 Nokia Corporation Determination of the position of a pulse peak
US20040176035A1 (en) * 2003-02-14 2004-09-09 Breunig Brian C. Envelope cancellation in an RF circuit
KR20050090283A (ko) * 2004-03-08 2005-09-13 엘지전자 주식회사 다운로드 받은 음악파일의 이득조정방법
US7197692B2 (en) 2004-06-18 2007-03-27 Qualcomm Incorporated Robust erasure detection and erasure-rate-based closed loop power control
US8452316B2 (en) 2004-06-18 2013-05-28 Qualcomm Incorporated Power control for a wireless communication system utilizing orthogonal multiplexing
US8942639B2 (en) 2005-03-15 2015-01-27 Qualcomm Incorporated Interference control in a wireless communication system
US8848574B2 (en) 2005-03-15 2014-09-30 Qualcomm Incorporated Interference control in a wireless communication system
US7929650B2 (en) * 2005-10-18 2011-04-19 Freescale Semiconductor, Inc. AGC for narrowband receivers
EP1941638A2 (de) 2005-10-27 2008-07-09 Qualcomm Incorporated Verfahren und vorrichtung zur schätzung der rückwärtsstreckenauslastung in einem drahtlosen kommunikationssystem
JP4774306B2 (ja) * 2006-02-02 2011-09-14 富士通株式会社 干渉低減受信装置及びその方法
US8670777B2 (en) 2006-09-08 2014-03-11 Qualcomm Incorporated Method and apparatus for fast other sector interference (OSI) adjustment
US8442572B2 (en) 2006-09-08 2013-05-14 Qualcomm Incorporated Method and apparatus for adjustments for delta-based power control in wireless communication systems
TWI327864B (en) * 2006-11-28 2010-07-21 Mstar Semiconductor Inc Video automatic gain controlling circuit and related method of which
US7746050B2 (en) * 2007-04-06 2010-06-29 Power Integrations, Inc. Method and apparatus for controlling the maximum output power of a power converter
US8588348B2 (en) * 2009-07-10 2013-11-19 Freescale Semiconductor, Inc. Receiver with automatic gain control
US9647623B2 (en) * 2009-09-30 2017-05-09 Silicon Laboratories Inc. Signal processor suitable for low intermediate frequency (LIF) or zero intermediate frequency (ZIF) operation
US8695299B2 (en) 2010-01-20 2014-04-15 Propst Family Limited Partnership Building panel system
US20140150362A1 (en) 2010-01-20 2014-06-05 Propst Family Limited Partnership Building panels and method of forming building panels
US9203676B1 (en) * 2014-06-11 2015-12-01 Wipro Limited Apparatus and method for estimating symbol timing offset
CN105290271B (zh) * 2015-11-12 2017-05-17 西安航空动力股份有限公司 一种用于切断收集复杂盲腔机匣钢丝螺套尾柄的装置及方法
JP7004503B2 (ja) * 2017-01-27 2022-01-21 ラピスセミコンダクタ株式会社 自動利得制御回路（ａｇｃ）、逆拡散回路及び受信データの再生方法

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Also Published As

Publication number Publication date
WO1995005038A1 (fr) 1995-02-16
EP0673125A1 (de) 1995-09-20
CN1114520A (zh) 1996-01-03
EP0673125B1 (de) 2001-10-31
EP0673125A4 (de) 1996-12-11
US5745531A (en) 1998-04-28
DE69428883T2 (de) 2002-04-11
CN1042585C (zh) 1999-03-17

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Legal Events

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8364 No opposition during term of opposition