DE602004010840D1 - Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger - Google Patents

Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger

Info

Publication number
DE602004010840D1
DE602004010840D1 DE602004010840T DE602004010840T DE602004010840D1 DE 602004010840 D1 DE602004010840 D1 DE 602004010840D1 DE 602004010840 T DE602004010840 T DE 602004010840T DE 602004010840 T DE602004010840 T DE 602004010840T DE 602004010840 D1 DE602004010840 D1 DE 602004010840D1
Authority
DE
Germany
Prior art keywords
determining
demod
demodulated signal
frequency setting
receiver based
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.)
Active
Application number
DE602004010840T
Other languages
English (en)
Other versions
DE602004010840T2 (de
Inventor
Roland Egon Ryter
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.)
NXP BV
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
Publication of DE602004010840D1 publication Critical patent/DE602004010840D1/de
Application granted granted Critical
Publication of DE602004010840T2 publication Critical patent/DE602004010840T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
DE602004010840T 2003-11-03 2004-10-29 Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger Active DE602004010840T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03300192 2003-11-03
EP03300192 2003-11-03
PCT/IB2004/003562 WO2005043852A1 (en) 2003-11-03 2004-10-29 Apparatus for determining a frequency offset error and receiver based thereon

Publications (2)

Publication Number Publication Date
DE602004010840D1 true DE602004010840D1 (de) 2008-01-31
DE602004010840T2 DE602004010840T2 (de) 2008-12-11

Family

ID=34530848

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004010840T Active DE602004010840T2 (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)

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DE602004010840T2 (de) 2003-11-03 2008-12-11 Nxp B.V. Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger
US20080282931A1 (en) * 2003-11-11 2008-11-20 Stuart Cook Niven Pigment Compositions for Oil-Based Lithographic Printing Ink System
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
DE112020002384T5 (de) 2019-05-14 2022-01-20 Space Exploration Technologies Corp. Kalibrierung eines antennensystems über die luft
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
US20220352636A1 (en) 2020-07-05 2022-11-03 Space Exploration Technologies Corp. Stack patch antenna assembly

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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
US6504498B1 (en) * 1999-09-27 2003-01-07 Parthus Ireland Limited Method and apparatus for offset cancellation 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
DE60019773T2 (de) * 2000-12-20 2006-01-19 Agilent Technologies, Inc. (n.d.Ges.d.Staates Delaware), Palo Alto Erkennung von Präambeln von Datenpacketen
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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
US6934524B2 (en) * 2002-04-25 2005-08-23 Agere Systems Inc. Fine-stage automatic frequency compensation in post-detection short-range wireless applications
US6642797B1 (en) * 2002-04-25 2003-11-04 Agere Systems, Inc. Normalization methods for automatic requency compensation in bluetooth applications
DE602004010840T2 (de) 2003-11-03 2008-12-11 Nxp B.V. Vorrichtung zur bestimmung eines frequenzoffsetfehlers und darauf basierender empfänger

Also Published As

Publication number Publication date
JP2007511126A (ja) 2007-04-26
WO2005043852A1 (en) 2005-05-12
US7733991B2 (en) 2010-06-08
US20070041479A1 (en) 2007-02-22
WO2005043852A9 (en) 2006-04-13
ATE381837T1 (de) 2008-01-15
KR20060128882A (ko) 2006-12-14
CN1879373B (zh) 2011-01-19
EP1683316B1 (de) 2007-12-19
EP1683316A1 (de) 2006-07-26
CN1879373A (zh) 2006-12-13
DE602004010840T2 (de) 2008-12-11
JP4807645B2 (ja) 2011-11-02
KR101096635B1 (ko) 2011-12-30

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