ATE542304T1 - System zum synchronisieren eines tragbaren sender/empfängers mit einem netzwerk - Google Patents

System zum synchronisieren eines tragbaren sender/empfängers mit einem netzwerk

Info

Publication number
ATE542304T1
ATE542304T1 AT05724868T AT05724868T ATE542304T1 AT E542304 T1 ATE542304 T1 AT E542304T1 AT 05724868 T AT05724868 T AT 05724868T AT 05724868 T AT05724868 T AT 05724868T AT E542304 T1 ATE542304 T1 AT E542304T1
Authority
AT
Austria
Prior art keywords
synchronizing
network
receiver
crystal oscillator
portable transmitter
Prior art date
Application number
AT05724868T
Other languages
English (en)
Inventor
Jaleh Komaili
Darioush Agahi
Ricke Clark
Original Assignee
Mediatek 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 Mediatek Inc filed Critical Mediatek Inc
Application granted granted Critical
Publication of ATE542304T1 publication Critical patent/ATE542304T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details 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
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2675—Frequency synchronisation
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Liquid Developers In Electrophotography (AREA)
AT05724868T 2004-04-08 2005-03-07 System zum synchronisieren eines tragbaren sender/empfängers mit einem netzwerk ATE542304T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/820,252 US7155176B2 (en) 2004-04-08 2004-04-08 System for synchronizing a portable transceiver to a network
PCT/US2005/007414 WO2005104388A2 (en) 2004-04-08 2005-03-07 System for synchronizing a portable transceiver to a network

Publications (1)

Publication Number Publication Date
ATE542304T1 true ATE542304T1 (de) 2012-02-15

Family

ID=35061191

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05724868T ATE542304T1 (de) 2004-04-08 2005-03-07 System zum synchronisieren eines tragbaren sender/empfängers mit einem netzwerk

Country Status (6)

Country Link
US (1) US7155176B2 (de)
EP (1) EP1738476B1 (de)
KR (1) KR101018201B1 (de)
CN (1) CN1965491B (de)
AT (1) ATE542304T1 (de)
WO (1) WO2005104388A2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6400930B1 (en) * 1998-11-06 2002-06-04 Dspc Israel, Ltd. Frequency tuning for radio transceivers
GB2432467B (en) * 2005-11-22 2008-03-19 Motorola Inc RF transceiver and a method of operation therein
EP1892853A1 (de) * 2006-08-21 2008-02-27 Siemens Aktiengesellschaft Verfahren, Zugangsknoten und Benutzergerät zur Verwaltung von Funkbetriebsmitteln in einem Funkkommunikationssystem
US8346091B2 (en) 2009-04-29 2013-01-01 Andrew Llc Distributed antenna system for wireless network systems
BR112015009601A2 (pt) 2012-10-31 2017-07-04 Commscope Technologies Llc sistema de telecomunicações e sistema de antenas distribuídas
EP2741442A1 (de) * 2012-12-07 2014-06-11 Dialog Semiconductor B.V. Automatische Taktkalibrierung einer ferngesteuerten Einheit unter Verwendung von Phasenverschiebung
EP2990832A1 (de) * 2014-08-29 2016-03-02 Sercel Datenbesschaffungsvorrichtung mit einer lokalen Einzeltaktuhr
KR20180131855A (ko) * 2017-06-01 2018-12-11 삼성전자주식회사 전자 장치 및 전자 장치에서 dcxo 제어 방법
CN111756462B (zh) * 2019-03-28 2023-09-22 上海寰泰电子有限公司 一种时钟的时间校准方法和装置

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394776A (en) * 1981-04-06 1983-07-19 Motorola, Inc. Priority channel system for a synthesized transceiver
US4631496A (en) * 1981-04-06 1986-12-23 Motorola, Inc. Battery saving system for a frequency synthesizer
US5809395A (en) * 1991-01-15 1998-09-15 Rogers Cable Systems Limited Remote antenna driver for a radio telephony system
JPH084235B2 (ja) * 1993-03-31 1996-01-17 日本電気株式会社 周波数制御装置
US5546383A (en) * 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
JP3300252B2 (ja) * 1997-04-02 2002-07-08 松下電器産業株式会社 適応送信ダイバーシチ装置及び適応送信ダイバーシチ方法
JP3279957B2 (ja) * 1997-05-23 2002-04-30 松下電器産業株式会社 携帯無線装置
JP3290926B2 (ja) * 1997-07-04 2002-06-10 松下電器産業株式会社 送信ダイバーシチ装置
JP3608936B2 (ja) * 1998-03-20 2005-01-12 富士通株式会社 多重無線送信装置，多重無線受信装置，多重無線送受信装置及び多重無線送受信システム
US6278867B1 (en) * 1998-11-25 2001-08-21 Ericsson Inc. Methods and systems for frequency generation for wireless devices
US6463266B1 (en) * 1999-08-10 2002-10-08 Broadcom Corporation Radio frequency control for communications systems
US20020024393A1 (en) 2000-08-25 2002-02-28 Lars-Peter Kunkel Electronic circuit for and a method of controlling the output frequency of a frequency synthesizer
EP1182792A1 (de) * 2000-08-25 2002-02-27 Telefonaktiebolaget L M Ericsson (Publ) Elektronische Schaltung und Verfahren zur Kontrolle der Ausgangsfrequenz eines Frequenzsynthesizers
GB2368751B (en) * 2000-09-20 2004-04-21 Nec Technologies Removal of reference frequency offset of a local oscillator in a telecommunications receiver
DE10108110A1 (de) * 2001-02-21 2002-08-29 Philips Corp Intellectual Pty Empfänger und Verfahren zum anfänglichen Synchronisieren eines Empfängers auf die Trägerfrequenz eines gewünschten Kanals
KR20070105383A (ko) * 2001-09-28 2007-10-30 인터디지탈 테크날러지 코포레이션 3ｇ 무선 통신의 시분할 이중 모드를 위한 자동 주파수보정 방법 및 장치
JP2003347936A (ja) * 2001-11-02 2003-12-05 Seiko Epson Corp クロック整形回路および電子機器
US6856791B2 (en) * 2002-03-14 2005-02-15 Ericsson Inc. Direct automatic frequency control method and apparatus
US6850735B2 (en) * 2002-04-22 2005-02-01 Cognio, Inc. System and method for signal classiciation of signals in a frequency band
US6907229B2 (en) * 2002-05-06 2005-06-14 Extricom Ltd. Enhancing wireless LAN capacity using transmission power control
KR100492690B1 (ko) * 2002-11-04 2005-06-07 매그나칩 반도체 유한회사 프리스케일러를 포함하는 위상 제어 루프 회로

Also Published As

Publication number Publication date
CN1965491A (zh) 2007-05-16
KR20060135061A (ko) 2006-12-28
KR101018201B1 (ko) 2011-02-28
WO2005104388A3 (en) 2006-10-05
US7155176B2 (en) 2006-12-26
EP1738476A4 (de) 2009-07-08
WO2005104388A2 (en) 2005-11-03
US20050227630A1 (en) 2005-10-13
CN1965491B (zh) 2012-05-23
EP1738476A2 (de) 2007-01-03
WO2005104388B1 (en) 2006-11-16
EP1738476B1 (de) 2012-01-18

Similar Documents

Publication Publication Date Title
WO2008102686A1 (ja) マルチバンドトランシーバおよび該トランシーバを用いた測位システム
ATE255296T1 (de) Verfahren und vorrichtung zur verminderung des rauschens eines oszillators durch vorwärtskopplung des rauschens
ATE381815T1 (de) Reduktion vom lecksignal eines lokaloszillators in einem direktkonversionsverfahren
ATE542304T1 (de) System zum synchronisieren eines tragbaren sender/empfängers mit einem netzwerk
DE602006018052D1 (de) Verfahren und vorrichtung zur sender-/empfänger-frequenzsynthese
ATE421101T1 (de) Frequenzkorrektursystem für einen referenzoszillator
WO2004065979A3 (en) Method and apparatus for adjusting reference oscillator frequency in a mobile wireless device
TW200721767A (en) Transmitting/receiving device and communication system using the same
ZA200808899B (en) Method for synchronization of assemblies in a base station
TW200746740A (en) Wireless transceiver with modulation path delay calibration
ATE466254T1 (de) Navigationseinrichtung mit radiosender
DE60036482D1 (de) Vorrichtung zur doppler-korrektur in einem drahtlosen kommunikationssystem
GB201114074D0 (en) Receiver
NZ616648A (en) Navigation signal transmitter and method for generating navigation signal
DE602006010553D1 (de) Synchronisationsschema mit adaptiver referenzfrequenzkorrektur
GB2454936B (en) Oscillator calibration
MX2022006571A (es) Comunicacion de activacion en un sistema de comunicacion inalambrica.
CA2588084C (en) System and method for cohesive radio operation
GB2440864A (en) Method and system for calibration of a radio direction finder
TW200635235A (en) Frequency calibration for a monolithic clock generator and timing/frequency reference
SG166823A1 (en) Method and system for transmitting a signal to a communication device in a cellular communication system
TW200718122A (en) Method and apparatus for signal demodulation and transmission
WO2006075312A3 (en) Method to synchronize receiver's clock to transmitter's clock at sub-100nsec
ATE429736T1 (de) Zeitsystem und verfahren für ein drahtloses sendeempfangssystem
PL1789765T3 (pl) Określanie temperatury na odwrotnej powierzchni obiektu