ATE381837T1 - Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger - Google Patents

Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger

Info

Publication number
ATE381837T1
ATE381837T1 AT04769760T AT04769760T ATE381837T1 AT E381837 T1 ATE381837 T1 AT E381837T1 AT 04769760 T AT04769760 T AT 04769760T AT 04769760 T AT04769760 T AT 04769760T AT E381837 T1 ATE381837 T1 AT E381837T1
Authority
AT
Austria
Prior art keywords
determining
demod
offset error
frequency offset
demodulated signal
Prior art date
Application number
AT04769760T
Other languages
English (en)
Inventor
Roland Egon Ryter
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE381837T1 publication Critical patent/ATE381837T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
    • H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
    • H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/14—Demodulator circuits; Receiver circuits
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
    • 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
    • H04L2027/0063—Elements of loops
    • 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)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
AT04769760T 2003-11-03 2004-10-29 Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger ATE381837T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03300192 2003-11-03

Publications (1)

Publication Number Publication Date
ATE381837T1 true ATE381837T1 (de) 2008-01-15

Family

ID=34530848

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04769760T ATE381837T1 (de) 2003-11-03 2004-10-29 Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger

Country Status (8)

Country Link
US (1) US7733991B2 (de)
EP (1) EP1683316B1 (de)
JP (1) JP4807645B2 (de)
KR (1) KR101096635B1 (de)
CN (1) CN1879373B (de)
AT (1) ATE381837T1 (de)
DE (1) DE602004010840T2 (de)
WO (1) WO2005043852A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1683316B1 (de) 2003-11-03 2007-12-19 Nxp B.V. Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger
BRPI0415940A (pt) * 2003-11-11 2007-01-02 Ciba Sc Holding Ag composições de pigmento para sistemas de tinta de impressão litográfica com base em óleo
JP5304089B2 (ja) * 2008-07-31 2013-10-02 アイコム株式会社 Ｆｓｋ受信機
CN101651644B (zh) * 2008-08-12 2012-09-05 博通集成电路（上海）有限公司 用于解调被调制信号的电路和方法
JP5356060B2 (ja) * 2009-02-13 2013-12-04 シャープ株式会社 受信装置、通信システム、受信方法及び通信方法
TW201032517A (en) * 2009-02-17 2010-09-01 Ralink Technology Corp Packet detection method for wireless communication device and related device
JP5579536B2 (ja) * 2009-09-03 2014-08-27 富士フイルム株式会社 着色硬化性組成物及びその調製方法、カラーフィルタ及びその製造方法、並びに固体撮像素子
US8500071B2 (en) 2009-10-27 2013-08-06 Invensys Rail Corporation Method and apparatus for bi-directional downstream adjacent crossing signaling
US8660215B2 (en) * 2010-03-16 2014-02-25 Siemens Rail Automation Corporation Decoding algorithm for frequency shift key communications
JP5653791B2 (ja) * 2011-02-18 2015-01-14 ラピスセミコンダクタ株式会社 Ｆｓｋ復調回路
CN102694571A (zh) * 2012-06-25 2012-09-26 上海高清数字科技产业有限公司 载波频率偏差估计的方法及系统
CN104469236B (zh) * 2013-09-25 2017-11-07 扬智科技股份有限公司 采样频偏的纠正装置与纠正方法
CN104980177B (zh) * 2015-06-12 2017-05-17 清华大学 一种用于零中频gfsk解调器中的位同步电路
KR101824399B1 (ko) * 2015-12-30 2018-02-01 어보브반도체 주식회사 개선된 패킷 검출 및 심볼 타이밍 포착 기법을 사용하는 블루투스 수신 방법 및 장치
CN107707323B (zh) * 2017-07-10 2019-05-28 深圳市锐能微科技股份有限公司 一种时钟校准的方法及时钟校准设备
US11431092B1 (en) * 2019-05-14 2022-08-30 Space Exploration Technologies Corp. Near zero intermediate frequency (NZIF) compensation of local oscillator leakage
CN113411093B (zh) * 2020-03-17 2022-04-08 瑞昱半导体股份有限公司 具有抗射频干扰机制的信号接收装置及方法
DE102021117170A1 (de) 2020-07-05 2022-01-05 Space Exploration Technologies Corp. System und verfahren zur over-the-air-antennenkalibrierung

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4888744A (en) * 1988-11-15 1989-12-19 American Home Products Pulsed directional doppler frequency domain output circuit
JPH08237317A (ja) * 1995-02-28 1996-09-13 Fujitsu Ltd 復調回路及び受信装置
US5894593A (en) * 1996-11-04 1999-04-13 Motorola, Inc. Method and apparatus for enhancing the detection of the presence of an FM signal using a coded pattern
US6356608B1 (en) * 1998-06-29 2002-03-12 Telefonaktiebolaget Lm Ericsson (Publ) Method, apparatus, and system for determining a location of a frequency synchronization signal
US6657986B1 (en) * 1998-07-10 2003-12-02 Hyundai Electronics America Variable clock rate correlation circuit and method of operation
JP3519291B2 (ja) * 1998-11-06 2004-04-12 松下電器産業株式会社 Ｏｆｄｍ通信装置及び方法
KR100335443B1 (ko) * 1999-06-15 2002-05-04 윤종용 직교주파수분할다중변조 신호의 심볼 타이밍 및 주파수 동기 장치 및 방법
AU2112501A (en) 1999-09-27 2001-05-10 Parthus Technologies Plc Method and apparatus for comparator tree structure for fast acquisition of offsets induced in a wireless receiver
JP3654817B2 (ja) * 2000-05-15 2005-06-02 株式会社日立国際電気 プリアンブルパターン識別方法及びプリアンブルパターン識別装置
EP1217781B1 (de) 2000-12-20 2005-04-27 Agilent Technologies, Inc. (a Delaware corporation) Erkennung von Präambeln von Datenpacketen
US6771720B1 (en) 2001-03-30 2004-08-03 Skyworks Solutions, Inc. Amplification control scheme for a receiver
US6671379B2 (en) * 2001-03-30 2003-12-30 Think-A-Move, Ltd. Ear microphone apparatus and method
US20030043947A1 (en) * 2001-05-17 2003-03-06 Ephi Zehavi GFSK receiver
US6891905B1 (en) * 2001-08-23 2005-05-10 National Semiconductor Corporation Apparatus and method for FSK demodulation with integrated time and frequency tracking
JP2003069658A (ja) * 2001-08-28 2003-03-07 Hitachi Ltd 通信用半導体集積回路および無線通信システム
US6642797B1 (en) * 2002-04-25 2003-11-04 Agere Systems, Inc. Normalization methods for automatic requency compensation in bluetooth applications
US6934524B2 (en) * 2002-04-25 2005-08-23 Agere Systems Inc. Fine-stage automatic frequency compensation in post-detection short-range wireless applications
EP1683316B1 (de) 2003-11-03 2007-12-19 Nxp B.V. Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger

Also Published As

Publication number Publication date
WO2005043852A9 (en) 2006-04-13
DE602004010840D1 (de) 2008-01-31
CN1879373A (zh) 2006-12-13
US7733991B2 (en) 2010-06-08
KR101096635B1 (ko) 2011-12-30
CN1879373B (zh) 2011-01-19
DE602004010840T2 (de) 2008-12-11
JP2007511126A (ja) 2007-04-26
EP1683316A1 (de) 2006-07-26
WO2005043852A1 (en) 2005-05-12
US20070041479A1 (en) 2007-02-22
KR20060128882A (ko) 2006-12-14
EP1683316B1 (de) 2007-12-19
JP4807645B2 (ja) 2011-11-02

Similar Documents

Publication Publication Date Title
ATE381837T1 (de) Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger
DE602006002320D1 (de) System und Verfahren zur Erkennung eines HF-Geräts eines Fahrzeugs
DE50311498D1 (de) System und verfahren zur präsenzanalyse von objekten
ATE408156T1 (de) Verfahren und vorrichtung zur signalverarbeitung in einem satellitenpositionsbestimmungssystem
ATE435429T1 (de) Empfangsvorrichtung und verfahren zum empfangen einer empfangsfolge
DE602004030291D1 (de) Vorrichtung und Verfahren zur Schätzung der Hydrierung von Haut und Schleimhaut
MXPA03005620A (es) Metodo y aparato para procesar senales de ruido de una fuente de ruido.
ATE293818T1 (de) System, verfahren und vorrichtung zur erfassung und meldung der zustandinformation eines tragbaren medizinischen gerätes
ATE266872T1 (de) System zur bestimmung der position eines objekts
DE60308691D1 (de) Verfahren und vorrichtung zur durchführung einer signalkorrelation in mehreren auflösungen, zur mehrwegestörungsverminderung
ATE338955T1 (de) Verfahren und vorrichtung zur aufnahme von ultraschallbildern
DE60226190D1 (de) Verfahren und Vorrichtung zur Messung und Bestimmung des optischen Signal-Rauschverhältnis in optischen Netzwerken
SE0102666L (sv) Metod och anordning för analys av sensorsystems prestanda
DE69727972D1 (de) Auswertung von ultraschallsignalen zur knochen-analyse mittels der ein messfeld darstellenden werte
DE60213155D1 (de) Verfahren und System zur Schallbearbeitung
DE60142234D1 (de) System und verfahren zur klassifierung von fahrzeugen
DE69937789D1 (de) Verfahren und vorrichtung zur bestimmung des rhythmus bei auskultationssignalen
DE60307260D1 (de) Verfahren und vorrichtung für die laservibrometrie
ATE352953T1 (de) Verfahren und vorrichtung zur detektierung von tonsignalen
EP1469646A3 (de) Messen von Übertragungszeit
DE50015267D1 (de) Verfahren zur störanteilsfreien Bilderfassung mittels eines elektronischen Sensors
FR2812162B1 (fr) Procede de determination de parametres d'un signal de type ofdm et recepteur associe
EP1693978A3 (de) Signalmessgerät für digitale Systeme
ATE338949T1 (de) Methode und gerät zur zerstörungsfreien bestimmung von ablösungen von wandmalereien
DE60225516D1 (de) Verfahren für Messungen in einem drahtlosen Endgerät und drahtloses Endgerät

Legal Events

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