ATE492105T1 - Algorithmus zur fehlerschätzung schneller trägerfrequenzen mittels synchronisierungssequenzen - Google Patents

Algorithmus zur fehlerschätzung schneller trägerfrequenzen mittels synchronisierungssequenzen

Info

Publication number
ATE492105T1
ATE492105T1 AT06800404T AT06800404T ATE492105T1 AT E492105 T1 ATE492105 T1 AT E492105T1 AT 06800404 T AT06800404 T AT 06800404T AT 06800404 T AT06800404 T AT 06800404T AT E492105 T1 ATE492105 T1 AT E492105T1
Authority
AT
Austria
Prior art keywords
signal
synchronization
algorithm
carrier frequency
frequency error
Prior art date
Application number
AT06800404T
Other languages
English (en)
Inventor
Donald Rasmussen
Gregory Barnett
Original Assignee
Itt Mfg Enterprises 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 Itt Mfg Enterprises Inc filed Critical Itt Mfg Enterprises Inc
Application granted granted Critical
Publication of ATE492105T1 publication Critical patent/ATE492105T1/de

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/69Spread spectrum techniques
    • H04B1/707Spread spectrum techniques using direct sequence modulation
    • H04B1/7073Synchronisation aspects
    • H04B1/7075Synchronisation aspects with code phase acquisition
    • H04B1/70751Synchronisation aspects with code phase acquisition using partial detection
    • H04B1/70752Partial correlation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0024Carrier regulation at the receiver end
    • H04L2027/0026Correction of carrier offset
    • H04L2027/003Correction of carrier offset at baseband only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0046Open loops
    • H04L2027/0048Frequency multiplication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0014Carrier regulation
    • H04L2027/0044Control loops for carrier regulation
    • H04L2027/0063Elements of loops
    • H04L2027/0067Phase error detectors

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
AT06800404T 2005-07-28 2006-07-28 Algorithmus zur fehlerschätzung schneller trägerfrequenzen mittels synchronisierungssequenzen ATE492105T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US70318005P 2005-07-28 2005-07-28
US11/314,122 US7630428B2 (en) 2005-07-28 2005-12-21 Fast digital carrier frequency error estimation algorithm using synchronization sequence
PCT/US2006/029192 WO2007016244A1 (en) 2005-07-28 2006-07-28 Fast carrier frequency error estimation algorithm using sychronization sequence

Publications (1)

Publication Number Publication Date
ATE492105T1 true ATE492105T1 (de) 2011-01-15

Family

ID=37461525

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06800404T ATE492105T1 (de) 2005-07-28 2006-07-28 Algorithmus zur fehlerschätzung schneller trägerfrequenzen mittels synchronisierungssequenzen

Country Status (6)

Country Link
US (1) US7630428B2 (de)
EP (1) EP1913747B1 (de)
AT (1) ATE492105T1 (de)
AU (1) AU2006275772B2 (de)
DE (1) DE602006018948D1 (de)
WO (1) WO2007016244A1 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7801255B2 (en) 2005-07-28 2010-09-21 Itt Manufacturing Enterprises, Inc. Synchronization technique for serial modulated waveforms
US7593454B2 (en) 2005-07-28 2009-09-22 Itt Manufacturing Enterprises, Inc. Enhanced QPSK or DQPSK data demodulation for direct sequence spreading (DSS) system waveforms using orthogonal or near-orthogonal spreading sequences
US7822100B2 (en) 2005-07-28 2010-10-26 Itt Manufacturing Enterprises, Inc. Phase mapping for QPSK/QBL-MSK waveform
US7715505B2 (en) 2005-07-28 2010-05-11 Itt Manufacturing Enterprises, Inc Adaptive synchronization enhancement technique for serial modulated waveforms
KR100758873B1 (ko) * 2005-12-30 2007-09-19 포스데이타 주식회사 무선통신 시스템의 주파수 오프셋 추정 장치 및 방법
US8036312B2 (en) * 2007-03-30 2011-10-11 Freescale Semiconductor, Inc. System and method for determining signal phase
EP2061157B1 (de) * 2007-11-13 2010-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Empfängervorrichtung zur Bestimmung eines Korrelationswertes unter Berücksichtigung von Frequenzkorrektur
KR100930794B1 (ko) * 2007-12-17 2009-12-09 한국전자통신연구원 고차 qam에서 반송파 동기를 위한 위상 검출 방식 및장치
KR101552266B1 (ko) * 2009-04-07 2015-09-11 삼성전자주식회사 수신기, 그의 간섭 제거 방법 및 그를 위한 송신기
CN101945073B (zh) * 2009-07-03 2013-02-27 中兴通讯股份有限公司 基于导频的时偏估计装置和方法
US10627473B2 (en) * 2013-10-01 2020-04-21 Phasorlab, Inc. Angle of arrival measurements using RF carrier synchronization and phase alignment methods
CN104798335B (zh) 2012-10-01 2018-04-13 乔舒亚·帕克 Rf载波同步和相位对准方法和系统
US9927489B2 (en) * 2014-01-15 2018-03-27 International Business Machines Corporation Testing integrated circuit designs containing multiple phase rotators
US9270390B2 (en) 2014-03-28 2016-02-23 Olympus Corporation Frequency and phase offset compensation of modulated signals with symbol timing recovery
US9419785B1 (en) * 2015-04-28 2016-08-16 National Central University Initial synchronization method and apparatus assisted by inherent diversity over time-varying frequency-selective fading channels
US9571314B1 (en) * 2015-09-23 2017-02-14 Qualcomm Incorporated Systems and methods for joint demodulation and demapping
CN105391539B (zh) * 2015-10-18 2018-08-10 中国电子科技集团公司第十研究所 Qpsk载波同步锁定检测器
DE102016100712A1 (de) * 2016-01-18 2017-08-03 Airbus Defence and Space GmbH Continous-Phase-Modulation-Demodulationsverfahren und Continous-Phase-Modulation-Demodulator
US10243682B2 (en) 2016-08-22 2019-03-26 Phasorlab, Inc. Time-domain and frequency-domain approach to frequency offset correction method for LTE SC-FDMA uplink
US10856242B2 (en) 2016-11-21 2020-12-01 Phasorlab, Inc. Wireless time and frequency lock loop system
US11412347B2 (en) 2017-01-17 2022-08-09 Phasorlab, Inc. High-resolution high-dynamic range doppler-effect measurement using modulated carrier signals
CN111294302A (zh) * 2020-02-07 2020-06-16 中国人民解放军空军研究院战略预警研究所 Msk调制信号的同步方法、装置、设备及存储介质
CN113093174B (zh) * 2021-03-03 2023-05-30 桂林电子科技大学 基于phd滤波雷达起伏微弱多目标的检测前跟踪方法
CN115174326B (zh) * 2022-06-16 2023-09-22 成都世纪科园电子有限公司 高速跳频msk信号的突发检测与相干解调装置及方法
CN117289202B (zh) * 2023-11-27 2024-02-13 中国航天科工集团八五一一研究所 一种自适应相位差测量方法

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938045A (en) 1974-07-03 1976-02-10 Rca Corporation Transmitter for frequency shift keyed modulation
US4057759A (en) 1976-06-23 1977-11-08 Gte Sylvania Incorporated Communication receiving apparatus
US4612365A (en) * 1980-03-25 1986-09-16 Max-Planck-Gesellschaft Zur Foederung Der Wissenschaften Medicaments containing alpha 1-thymosin and having an immuno regulatory action and alpha 1-thymosin fragments
US4466108A (en) * 1981-10-06 1984-08-14 Communications Satellite Corporation TDMA/PSK Carrier synchronization without preamble
FR2525055A1 (fr) * 1982-04-09 1983-10-14 Trt Telecom Radio Electr Procede de correction de frequence de la porteuse locale dans le recepteur d'un systeme de transmission de donnees et recepteur utilisant ce procede
US4516087A (en) 1982-04-12 1985-05-07 Rockwell International Corporation Method for reducing side-lobe energy in an MSK detectable signal
US5157693A (en) 1991-04-01 1992-10-20 Motorola, Inc. Digital modulation circuit
US5177765A (en) 1991-06-03 1993-01-05 Spectralink Corporation Direct-sequence spread-spectrum digital signal acquisition and tracking system and method therefor
US5195108A (en) 1991-09-30 1993-03-16 Motorola, Inc. System and method for determining absolute phase of a differentially-encoded, phase-modulated signal
US5579338A (en) 1992-06-29 1996-11-26 Mitsubishi Denki Kabushiki Kaisha Spread spectrum receiver using partial correlations
US5692014A (en) * 1995-02-03 1997-11-25 Trw Inc. Subsampled carrier recovery for high data rate demodulators
US5732106A (en) 1995-06-05 1998-03-24 Itt Corporation Pulse-shaping filter for modulator monolithic integration
US5818867A (en) 1996-09-09 1998-10-06 Itt Industries, Inc. QPSK/QBL-MSK waveform enhancement
US6002709A (en) 1996-11-21 1999-12-14 Dsp Group, Inc. Verification of PN synchronization in a direct-sequence spread-spectrum digital communications system
JP3486576B2 (ja) * 1999-05-18 2004-01-13 シャープ株式会社 Ofdm受信装置及びその周波数オフセット補償方法
US6859463B1 (en) 1999-11-08 2005-02-22 Itt Manufacturing Enterprises, Inc. Methods and apparatus for organizing selection of operational parameters in a communication system
GB2359456B (en) 2000-02-19 2003-09-17 Nec Technologies Method for frequency offset estimation in a direct sequence spread spectrum communications receiver
GB2367211B (en) 2000-09-20 2004-03-17 Nec Technologies Slot timing and frequency offset correction in a direct sequence spread spectrum communications receiver
US6674790B1 (en) 2002-01-24 2004-01-06 Meshnetworks, Inc. System and method employing concatenated spreading sequences to provide data modulated spread signals having increased data rates with extended multi-path delay spread
KR20070055430A (ko) * 2004-07-01 2007-05-30 스타카토 커뮤니케이션즈, 인코포레이티드 다중대역 수신기 동기화
US7443938B2 (en) * 2005-01-07 2008-10-28 Sasken Communication Technologies Ltd. Method and system for synchronization between transmitter and receiver in a communication system

Also Published As

Publication number Publication date
WO2007016244A1 (en) 2007-02-08
US7630428B2 (en) 2009-12-08
AU2006275772A1 (en) 2007-02-08
AU2006275772B2 (en) 2011-02-17
EP1913747B1 (de) 2010-12-15
EP1913747A1 (de) 2008-04-23
US20070025476A1 (en) 2007-02-01
DE602006018948D1 (de) 2011-01-27

Similar Documents

Publication Publication Date Title
ATE492105T1 (de) Algorithmus zur fehlerschätzung schneller trägerfrequenzen mittels synchronisierungssequenzen
KR102083147B1 (ko) 저 복잡도, 저 전력 및 장거리 무선 수신기
CN101455008B (zh) 用于超宽带通信系统的频偏校正
TW200926703A (en) Methods and apparatus for identifying a preamble sequence and for estimating an integer carrier frequency offset
NZ595555A (en) Selecting signal power measurement method based on determined timing for a base station
ATE540510T1 (de) System und verfahren zum empfangen und verarbeiten von multikommunikationssignalen
RU2011150479A (ru) Способ и устройство для обработки первичных и вторичных сигналов синхронизации для беспроводной связи
WO2014167318A3 (en) Cpfsk receiver with frequency offset correction and matched filter bank decoding
MX2010001201A (es) Metodo y aparato para determinar la sincronizacion en un sistema de comunicaciones inalambricas.
MX2012004326A (es) Metodo y dispositivo para generar y efectuar el mapeado de la secuencia de señales de referencia de informacion del estado del canal.
WO2008149856A1 (ja) 変調装置、復調装置、および音響信号伝送方法
KR102350707B1 (ko) 뉴머롤로지의 블라인드 검출을 위한 시스템 및 방법
WO2010059517A3 (en) Synchronization in a multi -carrier modulation based receiver
WO2017202459A1 (en) Waveform design for locating system
FR2942576B1 (fr) Procede d'estimation d'un decalage de frequence porteuse dans un recepteur de signaux de telecommunication, notamment un dispositif mobile.
WO2008050849A1 (en) Frame synchronization method in ofdm communication method and receiver
GB2504057A (en) Frequency error estimation
DE602006010086D1 (de) Timing-Korrektur zum Datenentspreitzen von seriellen impulsgeformten gespreitzen Offset-Quadratur-Signalen
CN106707231A (zh) 信标定位方法
ATE438869T1 (de) Empfangsverfahren und empfänger für ein mittels cboc-ausgebreiteter wellenform moduliertes funknavigationssignal
TW200742322A (en) Phase tracking method and device thereof
WO2008024173A3 (en) Method and apparatus for performing hybrid timing and frequency offset synchronization in wireless communication systems
ATE412276T1 (de) Spreizspektrum-systemkommunikationseinheit und ihr verfahren zur herstellung einer schnellen synchronisation
WO2007014394A3 (en) Synchronization technique for serial modulated waveforms
DE602009000956D1 (de) Kohärenter optischer Intradyn-OFDM

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties