DE69936309D1 - Verfahren und vorrichtung zur verfügungstellung von stabiler synchronisation in radiosendern - Google Patents

Verfahren und vorrichtung zur verfügungstellung von stabiler synchronisation in radiosendern

Info

Publication number
DE69936309D1
DE69936309D1 DE69936309T DE69936309T DE69936309D1 DE 69936309 D1 DE69936309 D1 DE 69936309D1 DE 69936309 T DE69936309 T DE 69936309T DE 69936309 T DE69936309 T DE 69936309T DE 69936309 D1 DE69936309 D1 DE 69936309D1
Authority
DE
Germany
Prior art keywords
synchronization
free
preamble
leading
synchronization part
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
DE69936309T
Other languages
English (en)
Other versions
DE69936309T2 (de
Inventor
Sven Mattisson
Jaap Haartsen
Joakim Persson
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69936309D1 publication Critical patent/DE69936309D1/de
Publication of DE69936309T2 publication Critical patent/DE69936309T2/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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • 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
    • H04L27/14—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
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/04—Speed or phase control by synchronisation signals
    • H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
    • H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Structure Of Receivers (AREA)
  • Transceivers (AREA)
  • Mobile Radio Communication Systems (AREA)
DE69936309T 1998-08-19 1999-08-17 Verfahren und vorrichtung zur verfügungstellung von stabiler synchronisation in radiosendern Expired - Lifetime DE69936309T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9705198P 1998-08-19 1998-08-19
US97051P 1998-08-19
US372250 1999-08-11
US09/372,250 US6690740B1 (en) 1998-08-19 1999-08-11 Methods and apparatus for providing robust synchronization of radio transceivers
PCT/SE1999/001384 WO2000011831A2 (en) 1998-08-19 1999-08-17 Methods and apparatus for providing robust synchronization of radio transceivers

Publications (2)

Publication Number Publication Date
DE69936309D1 true DE69936309D1 (de) 2007-07-26
DE69936309T2 DE69936309T2 (de) 2008-02-14

Family

ID=26792432

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69936309T Expired - Lifetime DE69936309T2 (de) 1998-08-19 1999-08-17 Verfahren und vorrichtung zur verfügungstellung von stabiler synchronisation in radiosendern

Country Status (14)

Country Link
US (1) US6690740B1 (de)
EP (1) EP1105995B1 (de)
JP (1) JP4290886B2 (de)
KR (1) KR100627218B1 (de)
CN (1) CN1314039A (de)
AT (1) ATE364940T1 (de)
AU (1) AU5665099A (de)
BR (1) BR9913046A (de)
DE (1) DE69936309T2 (de)
EE (1) EE200100101A (de)
HK (1) HK1041133A1 (de)
IL (1) IL140957A0 (de)
MY (1) MY126783A (de)
WO (1) WO2000011831A2 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2368212B (en) * 2000-10-16 2004-07-21 Ericsson Telefon Ab L M DC-offset compensation
WO2002033920A1 (en) * 2000-10-16 2002-04-25 Telefonaktiebolaget Lm Ericsson (Publ) Dc-offset compensation
DE10051889A1 (de) 2000-10-19 2002-05-16 Nokia Mobile Phones Ltd Verfahren und Vorrichtung zum Erkennen eines Datenpakets in einem Datenstrom
EP1271872A1 (de) 2001-06-28 2003-01-02 Nokia Corporation Verfahren und Vorrichtung zur Schätzung der Gleichspannungsverschiebung eines Signals
US7684519B2 (en) * 2001-11-14 2010-03-23 Broadcom Corporation Method and system for adjusting DC offset slice point in an RF receiver
US7599662B2 (en) * 2002-04-29 2009-10-06 Broadcom Corporation Method and system for frequency feedback adjustment in digital receivers
US9071417B2 (en) 2002-02-12 2015-06-30 Broadcom Corporation Method and system for packet synchronization
US7349680B2 (en) * 2002-04-29 2008-03-25 Broadcom Corporation Method and system for using PSK sync word for fine tuning frequency adjustment
WO2003088613A1 (en) * 2002-04-15 2003-10-23 Nokia Corporation Method and device for handling synchronization related information
US7190740B2 (en) 2002-08-19 2007-03-13 Siemens Communications, Inc. Arrangement for dynamic DC offset compensation
US7099774B2 (en) 2003-01-21 2006-08-29 Byron King GPS based vehicle warning and location system
US7385990B2 (en) 2003-07-21 2008-06-10 Zarlink Semiconductor Inc. Method to improve the resolution of time measurements and alignment in packet networks by time modulation
US7248624B2 (en) * 2003-08-28 2007-07-24 Qualcomm Incorporated Bit synchronization in a communications device
WO2005068939A1 (ja) * 2004-01-20 2005-07-28 Ngk Insulators, Ltd. 検波回路、検波方法および物理量測定装置
US7912437B2 (en) * 2007-01-09 2011-03-22 Freescale Semiconductor, Inc. Radio frequency receiver having dynamic bandwidth control and method of operation
KR101365608B1 (ko) * 2007-10-25 2014-02-20 엘지전자 주식회사 부반송파 시프트 방법이 적용된 신호 매핑 방법 및 신호전송 방법
WO2009109810A2 (en) * 2007-11-09 2009-09-11 Tamicare Ltd. Improved disposable undergarment with a front opening panel
WO2010025562A1 (en) * 2008-09-05 2010-03-11 Aegis Mobility, Inc. Bypassing enhanced services
CN102035771B (zh) * 2010-11-16 2013-09-04 意法·爱立信半导体（北京）有限公司 一种消除直流偏置的方法及装置
WO2021219229A1 (en) * 2020-04-30 2021-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating or receiving a synchronization header
US10892758B1 (en) * 2020-09-30 2021-01-12 Nxp B.V. Tracking voltage reference for single ended receiver
CN115333901B (zh) * 2022-05-09 2024-01-30 南京金阵微电子技术有限公司 收发器芯片及其直流信号平衡方法、tdd系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054754A (en) 1976-06-07 1977-10-18 Bell Telephone Laboratories, Incorporated Arrangement for transmitting digital data and synchronizing information
US4623886A (en) * 1983-01-21 1986-11-18 E-Systems, Inc. Prioritized data packet communication
US4905234A (en) * 1987-06-03 1990-02-27 General Electric Company Apparatus and method for transmitting digital data over a radio communications channel
JPH0716206B2 (ja) 1988-08-05 1995-02-22 日本電気株式会社 信号検出器
US4873702A (en) 1988-10-20 1989-10-10 Chiu Ran Fun Method and apparatus for DC restoration in digital receivers
IT1244990B (it) * 1991-01-11 1994-09-13 Sixtel Spa Apparecchiatura perfezionata per la radiotrasmissione di dati
US5663989A (en) 1993-10-28 1997-09-02 Plessey Semiconductors Limited Control arrangements for digital radio receivers
FR2726141B1 (fr) 1994-10-25 1997-01-03 Alcatel Mobile Comm France Correction d'un decalage de frequence
US5566213A (en) 1995-03-09 1996-10-15 Motorola, Inc. Selective call receiving device with improved symbol decoding and automatic frequency control
US5748681A (en) 1995-10-27 1998-05-05 Lucent Technologies Inc Offset correction for a homodyne radio
US5790602A (en) * 1995-12-15 1998-08-04 E-Systems, Inc. Receiver synchronization using punctured preamble
FI103082B1 (fi) * 1996-05-27 1999-04-15 Nokia Telecommunications Oy Yhteydenmuodostusmenetelmä ja radiojärjestelmä
US6332205B1 (en) * 1998-12-08 2001-12-18 Stmicroelectronics N.V. Data recovery system having offset compensation

Also Published As

Publication number Publication date
KR100627218B1 (ko) 2006-09-22
HK1041133A1 (zh) 2002-06-28
EE200100101A (et) 2002-06-17
EP1105995A2 (de) 2001-06-13
IL140957A0 (en) 2002-02-10
AU5665099A (en) 2000-03-14
KR20010072756A (ko) 2001-07-31
JP4290886B2 (ja) 2009-07-08
WO2000011831A3 (en) 2000-07-06
EP1105995B1 (de) 2007-06-13
CN1314039A (zh) 2001-09-19
DE69936309T2 (de) 2008-02-14
MY126783A (en) 2006-10-31
ATE364940T1 (de) 2007-07-15
WO2000011831A2 (en) 2000-03-02
US6690740B1 (en) 2004-02-10
BR9913046A (pt) 2001-05-08
JP2002523972A (ja) 2002-07-30

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8364 No opposition during term of opposition