[go: up one dir, main page]

DE60336641D1 - Änglicher frequenzschätzung und rückführungstracking - Google Patents

Änglicher frequenzschätzung und rückführungstracking

Info

Publication number
DE60336641D1
DE60336641D1 DE60336641T DE60336641T DE60336641D1 DE 60336641 D1 DE60336641 D1 DE 60336641D1 DE 60336641 T DE60336641 T DE 60336641T DE 60336641 T DE60336641 T DE 60336641T DE 60336641 D1 DE60336641 D1 DE 60336641D1
Authority
DE
Germany
Prior art keywords
frequency estimation
overall frequency
return tracking
tracking
return
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
DE60336641T
Other languages
English (en)
Inventor
Jorg Borowski
Thomas Hanusch
Uwe Eckhardt
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices 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 Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Priority to DE60336641T priority Critical patent/DE60336641D1/de
Priority claimed from PCT/US2003/006137 external-priority patent/WO2003084162A1/en
Application granted granted Critical
Publication of DE60336641D1 publication Critical patent/DE60336641D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/02—Automatic frequency control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • 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
    • H04L2027/0065—Frequency error detectors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0083—Signalling arrangements
    • H04L2027/0089—In-band signals
    • H04L2027/0093—Intermittant signals
    • H04L2027/0095—Intermittant signals in a preamble or similar structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
DE60336641T 2002-03-27 2003-02-28 Änglicher frequenzschätzung und rückführungstracking Expired - Lifetime DE60336641D1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE60336641T DE60336641D1 (de) 2002-03-27 2003-02-28 Änglicher frequenzschätzung und rückführungstracking

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10213838A DE10213838B4 (de) 2002-03-27 2002-03-27 Frequenzfehlerkorrektureinheit und -verfahren in einem drahtlosen Lan-System
US10/184,409 US7194046B2 (en) 2002-03-27 2002-06-27 Frequency error correction unit and method in a wireless LAN system
DE60336641T DE60336641D1 (de) 2002-03-27 2003-02-28 Änglicher frequenzschätzung und rückführungstracking
PCT/US2003/006137 WO2003084162A1 (en) 2002-03-27 2003-02-28 Frequency error correction system with initial frequency estimation and feedback tracking

Publications (1)

Publication Number Publication Date
DE60336641D1 true DE60336641D1 (de) 2011-05-19

Family

ID=28050929

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10213838A Expired - Fee Related DE10213838B4 (de) 2002-03-27 2002-03-27 Frequenzfehlerkorrektureinheit und -verfahren in einem drahtlosen Lan-System
DE60336641T Expired - Lifetime DE60336641D1 (de) 2002-03-27 2003-02-28 Änglicher frequenzschätzung und rückführungstracking

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE10213838A Expired - Fee Related DE10213838B4 (de) 2002-03-27 2002-03-27 Frequenzfehlerkorrektureinheit und -verfahren in einem drahtlosen Lan-System

Country Status (3)

Country Link
US (1) US7194046B2 (de)
KR (1) KR100921544B1 (de)
DE (2) DE10213838B4 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0104280D0 (en) * 2001-02-21 2001-11-21 Cambridge Silicon Radio Ltd Estimating frequency offset
ATE539489T1 (de) * 2004-03-23 2012-01-15 Univ California Vorrichtung und verfahren zur verbesserung der zuverlässigkeit gesammelter sensordaten über ein netzwerk
US7313205B2 (en) * 2004-03-30 2007-12-25 Motorola, Inc. Method and apparatus for frequency correction in wireless local area network systems
DE102005050229B4 (de) * 2005-10-20 2014-04-03 Andreas Christian Wolf Verfahren zum Übertragen von Daten zwischen einem Sender und einem Empfänger
US7660339B2 (en) * 2005-12-09 2010-02-09 Electronics And Telecommunications Research Institute Apparatus and method for estimating and correcting frequency offset in MB-OFDM UWB system using time frequency hopping
DE102006007094B3 (de) 2006-02-15 2007-08-16 Infineon Technologies Ag Verfahren zur Synchronisation eines Taktsignals auf ein Referenzsignal und Phasenregelkreis
US7995304B2 (en) * 2009-05-27 2011-08-09 Seagate Technology Llc Circuits that use a postamble signal to determine phase and frequency errors in the acquisition of a preamble signal
DE102023213078A1 (de) * 2023-12-20 2025-06-26 Robert Bosch Gesellschaft mit beschränkter Haftung Verfahren und Vorrichtung zur Kompensation eines systematischen Fehlers bei einer Symboltaktsynchronisation zwischen einem Sender und einem Empfänger

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0716206B2 (ja) * 1988-08-05 1995-02-22 日本電気株式会社 信号検出器
JP2643792B2 (ja) * 1993-09-14 1997-08-20 日本電気株式会社 復調装置
AU1411297A (en) * 1995-12-19 1997-07-14 Motorola, Inc. Method and apparatus for automatic frequency correction acquisition
JPH09233134A (ja) * 1996-02-27 1997-09-05 Mitsubishi Electric Corp 復調器
US5943325A (en) * 1996-06-28 1999-08-24 Ctp Systems, Ltd. Method and apparatus for determining symbol timing in a wireless communications system
JP3179344B2 (ja) * 1996-06-28 2001-06-25 静岡日本電気株式会社 無線通信端末における自動周波数補正方法及び通信制御方法
US6134260A (en) * 1997-12-16 2000-10-17 Ericsson Inc. Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers
US7106709B2 (en) * 2000-11-29 2006-09-12 Telefonaktiebologet Lm Ericsson (Publ) Timing drift compensation in wireless packet-based systems
NZ509688A (en) * 2001-02-01 2003-06-30 Ind Res Ltd Maximum likelihood sychronisation (estimating time delay) for wireless digital communications system using a pilot symbol

Also Published As

Publication number Publication date
KR100921544B1 (ko) 2009-10-12
DE10213838B4 (de) 2008-10-02
US7194046B2 (en) 2007-03-20
KR20040097239A (ko) 2004-11-17
DE10213838A1 (de) 2003-10-23
US20030185317A1 (en) 2003-10-02

Similar Documents

Publication Publication Date Title
NO20025834D0 (no) Ultralyd sporings- og lokaliseringssystem
EP1505359A4 (de) Kühlschrank
DE10356963A8 (de) Kühlschrank
DE60324343D1 (de) Klettverschlussprodukt
EP1504429A4 (de) Verfolgungssystem und zugeordnetes verfahren
EP1485561A4 (de) Magnetgelenk
ITMI20021431A0 (it) Dispositivo e procedimento di cottura
DE60306848D1 (de) Kühlregal
PT102750B (pt) Geladeira portatil aperfeicoada
DK1514029T3 (da) Flangeforbindelse
DE60330269D1 (de) Piperazinyl- und diazapanylbenzamide und-benzothioamide
DE60333972D1 (de) Einbau-Kühlschrank
FI20020265L (fi) Elintarvike
DE60332766D1 (de) Kühlschrank
DE50211318D1 (de) Ortungsgerät
EP1471367A4 (de) Radar
DE50303208D1 (de) Osteosyntheseeinrichtung
DE50305617D1 (de) Befestigungselement
EP1570863A4 (de) Elektromagnetischer wellenapplikator
DE60238046D1 (de) Einbaukühlschrank
DE60336641D1 (de) Änglicher frequenzschätzung und rückführungstracking
ITMI20030397V0 (it) Cassetto
DE60323960D1 (de) Enzen 900 und 1800 mhz
FI20020396A0 (fi) Monitaajuusantenni
ITMI20022576A1 (it) Frigorifero