DE60033393D1 - Automatische verstärkungssteuerung für verbesserte dekodierung von mehrträgersignalen - Google Patents

Automatische verstärkungssteuerung für verbesserte dekodierung von mehrträgersignalen

Info

Publication number
DE60033393D1
DE60033393D1 DE60033393T DE60033393T DE60033393D1 DE 60033393 D1 DE60033393 D1 DE 60033393D1 DE 60033393 T DE60033393 T DE 60033393T DE 60033393 T DE60033393 T DE 60033393T DE 60033393 D1 DE60033393 D1 DE 60033393D1
Authority
DE
Germany
Prior art keywords
signal
filtered
desired signal
samples
scaling factor
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
DE60033393T
Other languages
English (en)
Other versions
DE60033393T2 (de
Inventor
Shimman Patel
Thomas Wilborn
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.)
Qualcomm Inc
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60033393D1 publication Critical patent/DE60033393D1/de
Publication of DE60033393T2 publication Critical patent/DE60033393T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J1/00Frequency-division multiplex systems
    • H04J1/02Details
    • H04J1/04Frequency-transposition arrangements
    • H04J1/05Frequency-transposition arrangements using digital techniques
    • 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/02Channels characterised by the type of signal
    • H04L5/06Channels characterised by the type of signal the signals being represented by different frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Circuits Of Receivers In General (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60033393T 1999-06-11 2000-06-12 Automatische verstärkungssteuerung für verbesserte dekodierung von mehrträgersignalen Expired - Lifetime DE60033393T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US330440 1999-06-11
US09/330,440 US6480528B1 (en) 1999-06-11 1999-06-11 Automatic gain control for improved decoding of multi-carrier signal
PCT/US2000/016159 WO2000077971A1 (en) 1999-06-11 2000-06-12 Automatic gain control for improved decoding of multi-carrier signal

Publications (2)

Publication Number Publication Date
DE60033393D1 true DE60033393D1 (de) 2007-03-29
DE60033393T2 DE60033393T2 (de) 2007-11-29

Family

ID=23289796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60033393T Expired - Lifetime DE60033393T2 (de) 1999-06-11 2000-06-12 Automatische verstärkungssteuerung für verbesserte dekodierung von mehrträgersignalen

Country Status (10)

Country Link
US (1) US6480528B1 (de)
EP (1) EP1190522B1 (de)
JP (1) JP2003522440A (de)
CN (1) CN1168257C (de)
AT (1) ATE354222T1 (de)
AU (1) AU5484300A (de)
DE (1) DE60033393T2 (de)
ES (1) ES2282119T3 (de)
HK (1) HK1044647B (de)
WO (1) WO2000077971A1 (de)

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US8149964B2 (en) * 2007-01-05 2012-04-03 Qualcomm, Incorporated Symbol scaling with automatic gain control for wireless communication
US7876864B2 (en) * 2007-05-03 2011-01-25 Motorola, Inc. Method and device for enhancing signal detection in a frequency selective fading channel
US8345800B2 (en) * 2007-09-20 2013-01-01 Nec Corporation Receiver apparatus and reception method
US8010070B2 (en) * 2007-10-09 2011-08-30 Maxlinear, Inc. Low-complexity diversity using coarse FFT and subband-wise combining
JP4930348B2 (ja) * 2007-12-04 2012-05-16 沖電気工業株式会社 無線通信装置、無線通信システム、および無線通信方法
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US20100067364A1 (en) * 2008-09-12 2010-03-18 Francis Swarts Method and system for variance-based automatic gain control in ofdm systems
KR101201207B1 (ko) * 2008-12-02 2012-11-15 한국전자통신연구원 다중밴드 ofdm 시스템의 수신기에서 이득 제어 장치 및방법
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CN102025674A (zh) * 2009-09-21 2011-04-20 中兴通讯股份有限公司 降低削峰噪声干扰的方法与装置
CN102025675B (zh) * 2009-09-21 2014-09-10 中兴通讯股份有限公司 降低削峰噪声干扰的方法与装置
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JP5621476B2 (ja) * 2010-09-29 2014-11-12 ソニー株式会社 同期回路、同期方法、および受信システム
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US8903343B2 (en) * 2013-01-25 2014-12-02 Qualcomm Incorporated Single-input multiple-output amplifiers with independent gain control per output
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RU2628404C1 (ru) * 2013-09-20 2017-08-16 Протеус Диджитал Хелс, Инк. Способы, устройства и системы приема и декодирования сигналов в присутствии шума с использованием срезов и деформирования
CN104700838B (zh) * 2013-12-09 2019-08-27 国民技术股份有限公司 一种多载波音频通信的处理方法、系统及音频接收端设备
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Also Published As

Publication number Publication date
ATE354222T1 (de) 2007-03-15
CN1355973A (zh) 2002-06-26
DE60033393T2 (de) 2007-11-29
CN1168257C (zh) 2004-09-22
ES2282119T3 (es) 2007-10-16
HK1044647A1 (en) 2002-10-25
WO2000077971A1 (en) 2000-12-21
EP1190522B1 (de) 2007-02-14
AU5484300A (en) 2001-01-02
JP2003522440A (ja) 2003-07-22
HK1044647B (zh) 2005-05-13
US6480528B1 (en) 2002-11-12
EP1190522A1 (de) 2002-03-27

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