HK1124972A1 - A method and appratus for carrier tracking in am in-band on-channel radio receivers am - Google Patents

A method and appratus for carrier tracking in am in-band on-channel radio receivers am

Info

Publication number
HK1124972A1
HK1124972A1 HK09102361.8A HK09102361A HK1124972A1 HK 1124972 A1 HK1124972 A1 HK 1124972A1 HK 09102361 A HK09102361 A HK 09102361A HK 1124972 A1 HK1124972 A1 HK 1124972A1
Authority
HK
Hong Kong
Prior art keywords
appratus
band
channel radio
radio receivers
carrier tracking
Prior art date
Application number
HK09102361.8A
Other languages
English (en)
Chinese (zh)
Inventor
．克羅哲
王琨
Original Assignee
艾比奎蒂數字公司
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 艾比奎蒂數字公司 filed Critical 艾比奎蒂數字公司
Publication of HK1124972A1 publication Critical patent/HK1124972A1/xx

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/10—Aspects of broadcast communication characterised by the type of broadcast system
    • H04H2201/18—Aspects of broadcast communication characterised by the type of broadcast system in band on channel [IBOC]
    • H04H2201/186—AM digital or hybrid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0055—Closed loops single phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0063—Elements of loops
    • H04L2027/0069—Loop filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Circuits Of Receivers In General (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Superheterodyne Receivers (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Noise Elimination (AREA)
HK09102361.8A 2005-11-14 2009-03-12 A method and appratus for carrier tracking in am in-band on-channel radio receivers am HK1124972A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/273,396 US7706474B2 (en) 2005-11-14 2005-11-14 Carrier tracking for AM in-band on-channel radio receivers
PCT/US2006/043872 WO2007058980A1 (en) 2005-11-14 2006-11-10 Carrier tracking for am in-band on channel radio receivers

Publications (1)

Publication Number Publication Date
HK1124972A1 true HK1124972A1 (en) 2009-07-24

Family

ID=37875509

Family Applications (1)

Application Number Title Priority Date Filing Date
HK09102361.8A HK1124972A1 (en) 2005-11-14 2009-03-12 A method and appratus for carrier tracking in am in-band on-channel radio receivers am

Country Status (13)

Country Link
US (1) US7706474B2 (xx)
EP (1) EP1961175A1 (xx)
JP (1) JP2009516429A (xx)
KR (1) KR20080068915A (xx)
CN (1) CN101310496B (xx)
AR (1) AR056794A1 (xx)
AU (1) AU2006315666A1 (xx)
BR (1) BRPI0618389A2 (xx)
CA (1) CA2626934A1 (xx)
HK (1) HK1124972A1 (xx)
RU (1) RU2438258C2 (xx)
TW (1) TWI430625B (xx)
WO (1) WO2007058980A1 (xx)

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EP2250778A2 (en) * 2008-02-25 2010-11-17 Nxp B.V. Carrier frequency offset synchronizer for ofdm receiver and method
US8068563B2 (en) * 2008-10-20 2011-11-29 Ibiquity Digital Corporation Systems and methods for frequency offset correction in a digital radio broadcast receiver
US8625724B2 (en) * 2009-03-10 2014-01-07 Qualcomm Incorporated Adaptive tracking steps for time and frequency tracking loops
CN101795372B (zh) * 2010-01-22 2012-02-08 凌阳科技股份有限公司 频偏小于二分之一符码率的频道获取方法及频道获取装置
CN109309481B (zh) * 2018-09-27 2020-10-09 西安电子科技大学 基于阻尼因子频率补偿和直流失调消除的三级运算放大器
RU2739940C1 (ru) * 2020-05-14 2020-12-30 федеральное государственное бюджетное образовательное учреждение высшего образования «Томский государственный университет систем управления и радиоэлектроники» Способ адаптивной модуляции для систем связи, использующих сигналы с ортогональным частотным мультиплексированием

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US4330758A (en) * 1980-02-20 1982-05-18 Motorola, Inc. Synchronized frequency synthesizer with high speed lock
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US5828705A (en) * 1996-02-01 1998-10-27 Kroeger; Brian W. Carrier tracking technique and apparatus having automatic flywheel/tracking/reacquisition control and extended signal to noise ratio
US5909148A (en) 1996-04-26 1999-06-01 Nec Corporation Carrier phase synchronizing circuit
CA2183140C (en) 1996-08-12 2001-11-20 Grant Mcgibney Ofdm timing and frequency recovery system
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US6028903A (en) * 1997-03-31 2000-02-22 Sun Microsystems, Inc. Delay lock loop with transition recycling for clock recovery of NRZ run-length encoded serial data signals
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KR100407975B1 (ko) 2002-02-27 2003-12-01 엘지전자 주식회사 반송파 복구 장치
KR100433634B1 (ko) 2002-04-19 2004-05-31 한국전자통신연구원 전압 제어 발진기를 위한 적응형 루프 이득 제어 회로
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Also Published As

Publication number Publication date
AU2006315666A1 (en) 2007-05-24
AR056794A1 (es) 2007-10-24
EP1961175A1 (en) 2008-08-27
RU2008123793A (ru) 2009-12-27
TW200729864A (en) 2007-08-01
BRPI0618389A2 (pt) 2013-01-08
US20070110186A1 (en) 2007-05-17
WO2007058980A1 (en) 2007-05-24
CA2626934A1 (en) 2007-05-24
JP2009516429A (ja) 2009-04-16
RU2438258C2 (ru) 2011-12-27
KR20080068915A (ko) 2008-07-24
US7706474B2 (en) 2010-04-27
TWI430625B (zh) 2014-03-11
CN101310496A (zh) 2008-11-19
CN101310496B (zh) 2015-04-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20191114