ATE249108T1 - Multimode funkkommunikationsgerät mit gemeinsamen referenzoszillator - Google Patents

Multimode funkkommunikationsgerät mit gemeinsamen referenzoszillator

Info

Publication number
ATE249108T1
ATE249108T1 AT00403441T AT00403441T ATE249108T1 AT E249108 T1 ATE249108 T1 AT E249108T1 AT 00403441 T AT00403441 T AT 00403441T AT 00403441 T AT00403441 T AT 00403441T AT E249108 T1 ATE249108 T1 AT E249108T1
Authority
AT
Austria
Prior art keywords
mode
timers
plls
tdma
gsm
Prior art date
Application number
AT00403441T
Other languages
English (en)
Inventor
Nadim Khlat
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE249108T1 publication Critical patent/ATE249108T1/de

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
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
AT00403441T 2000-12-07 2000-12-07 Multimode funkkommunikationsgerät mit gemeinsamen referenzoszillator ATE249108T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00403441A EP1213830B1 (de) 2000-12-07 2000-12-07 Multimode Funkkommunikationsgerät mit gemeinsamen Referenzoszillator

Publications (1)

Publication Number Publication Date
ATE249108T1 true ATE249108T1 (de) 2003-09-15

Family

ID=8173971

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00403441T ATE249108T1 (de) 2000-12-07 2000-12-07 Multimode funkkommunikationsgerät mit gemeinsamen referenzoszillator

Country Status (9)

Country Link
US (1) US7039438B2 (de)
EP (1) EP1213830B1 (de)
JP (1) JP5105688B2 (de)
KR (1) KR100785646B1 (de)
CN (1) CN1256803C (de)
AT (1) ATE249108T1 (de)
AU (1) AU2002223551A1 (de)
DE (1) DE60005030T2 (de)
WO (1) WO2002047247A1 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7574495B1 (en) * 2000-09-13 2009-08-11 Fortinet, Inc. System and method for managing interworking communications protocols
FI20012473A7 (fi) * 2001-12-14 2003-06-15 Nokia Corp Menetelmä lähetyksen kontrolloimiseksi radiojärjestelmässä
US7190679B2 (en) * 2002-05-16 2007-03-13 Motorola, Inc. Method and apparatus for arbitrating transmit events in a multimode communication device
US7376125B1 (en) * 2002-06-04 2008-05-20 Fortinet, Inc. Service processing switch
US7307480B2 (en) 2002-10-31 2007-12-11 Qualcomm Incorporated Low latency frequency switching
US7266120B2 (en) * 2002-11-18 2007-09-04 Fortinet, Inc. System and method for hardware accelerated packet multicast in a virtual routing system
DE10310771A1 (de) * 2003-03-12 2004-09-23 Infineon Technologies Ag Vorrichtung und Verfahren zum Steuern des Leistungsverbrauchs einer kombinierten UMTS/GSM/EDGE-Funkstation
DE10317598A1 (de) * 2003-04-16 2004-11-25 Infineon Technologies Ag Integrierter Transceiverschaltkreis
GB0404194D0 (en) 2004-02-25 2004-03-31 Ttp Communications Ltd Wireless communication device and method of operating the same
FR2870405B1 (fr) * 2004-05-11 2006-07-28 Sagem Procede de commutation de mode d'un oscillateur et dispositif oscillateur correspondant.
DE602005014133D1 (de) * 2004-11-12 2009-06-04 Analog Devices Inc Zeitsystem und verfahren für ein drahtloses sendeempfangssystem
US7808904B2 (en) * 2004-11-18 2010-10-05 Fortinet, Inc. Method and apparatus for managing subscriber profiles
WO2006063619A1 (en) * 2004-12-15 2006-06-22 Freescale Semiconductor, Inc Frequency generation in a wireless communication unit
CN100466777C (zh) * 2005-01-14 2009-03-04 英华达（南京）科技有限公司 通讯装置切换通讯模组的方法
US7356350B2 (en) * 2005-03-14 2008-04-08 Broadcom Corporation Method and apparatus for generating clocks for a handheld multistandard communication system
CN101167256A (zh) * 2005-04-27 2008-04-23 松下电器产业株式会社 无线发送装置、极性调制发送装置以及无线通信装置
EP1811650A1 (de) * 2006-01-10 2007-07-25 Alcatel Lucent Verfahren zur Feinabstimmung eines Radiosignals
EP1979986B1 (de) * 2006-01-24 2011-10-12 Agency for Science, Technology and Research Empfängeranordnung und senderanordnung
US7668920B2 (en) * 2006-03-01 2010-02-23 Fortinet, Inc. Electronic message and data tracking system
FI20065454A0 (fi) * 2006-06-29 2006-06-29 Nokia Corp Kontrollimenetelmä, kontrolliväline, kommunikaatioväline, tietokoneohjelma, tietokoneohjelman jakeluväline ja tiedonkäsittelymenetelmä
US7742785B2 (en) 2006-08-09 2010-06-22 Qualcomm Incorporated Reference signal generation for multiple communication systems
US7773962B2 (en) * 2006-09-13 2010-08-10 Intel Corporation Method and apparatus for efficiently applying frequency correction
US20080084919A1 (en) * 2006-10-05 2008-04-10 Zerog Wireless, Inc. Multiprotocol wireless communication apparatus and methods
US20080084922A1 (en) * 2006-10-05 2008-04-10 Bendik Kleveland Multiprotocol multiplex wireless communication apparatus and methods
US7782991B2 (en) * 2007-01-09 2010-08-24 Freescale Semiconductor, Inc. Fractionally related multirate signal processor and method
EP2163005B1 (de) * 2007-05-09 2016-07-27 ST-Ericsson SA Verfahren und system zur synchronisation von mindestens zwei endgerätekommunikationssystemen und mindestens einer gegenstück-kommunikationsstation in einem drahtlosen kommunikationssystem mit mehreren standards
US8041310B2 (en) * 2007-10-01 2011-10-18 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and methods for frequency control in a multi-output frequency synthesizer
JP5282495B2 (ja) * 2008-09-05 2013-09-04 富士通モバイルコミュニケーションズ株式会社 移動無線端末
US20110076945A1 (en) * 2009-09-29 2011-03-31 Mediatek Inc. Methods for Controlling a Main Clock Source Shared Between Different Wireless Communication Modules and Apparatuses Using the Same
CN101840915B (zh) * 2010-05-07 2011-12-21 无锡中星微电子有限公司 一种引脚共享装置及方法
US9014740B2 (en) * 2011-12-12 2015-04-21 Broadcom Corporation Enhanced multiple SIM time tracking
US8923778B2 (en) * 2012-08-20 2014-12-30 Google Technology Holdings LLC Method for automatic frequency correction in a multi-carrier communications device
US9060735B2 (en) 2012-12-14 2015-06-23 Sharp Laboratories Of America, Inc. Classification of segments of acoustic physiological signal captured during sleep using phase-locked loop array
US11490386B2 (en) 2015-10-05 2022-11-01 Sony Semiconductor Solutions Corporation Communication apparatus and method for controlling communication apparatus
US9749962B1 (en) 2016-06-23 2017-08-29 Qualcomm Incorporated System and method for closed loop multimode radio system sleep clock frequency compensation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5436937A (en) * 1993-02-01 1995-07-25 Motorola, Inc. Multi-mode digital phase lock loop
JPH08223071A (ja) * 1995-02-08 1996-08-30 Sony Corp 送信機及び送受信機
JPH09130291A (ja) * 1995-10-31 1997-05-16 Hitachi Ltd デュアルモード携帯電話端末のクロック分配方式
US5943613A (en) * 1996-11-07 1999-08-24 Telefonaktiebolaget Lm Ericsson Method and apparatus for reducing standby current in communications equipment
DE19647710A1 (de) * 1996-11-11 1998-05-14 Hertz Inst Heinrich Phosphor für Displays, insbesondere Dünnschicht-Lumineszenz-Displays
FI102122B1 (fi) * 1996-11-14 1998-10-15 Nokia Mobile Phones Ltd Radiojärjestelmän monimoodilaitteen taajuuksien generointi
US6064325A (en) * 1998-08-11 2000-05-16 Trw Inc. Frequency modulation-based folding optical analog-to-digital converter
JP2000244351A (ja) * 1999-02-19 2000-09-08 Fujitsu Ltd 受信制御装置及びその方法
FI106761B (fi) * 1999-02-19 2001-03-30 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely järjestelmien keskinäisen tahdistuksen toteuttamiseksi monimoodilaitteessa

Also Published As

Publication number Publication date
US20040037379A1 (en) 2004-02-26
KR100785646B1 (ko) 2007-12-14
EP1213830A1 (de) 2002-06-12
AU2002223551A1 (en) 2002-06-18
DE60005030D1 (de) 2003-10-09
CN1479967A (zh) 2004-03-03
DE60005030T2 (de) 2004-04-01
KR20030057577A (ko) 2003-07-04
US7039438B2 (en) 2006-05-02
JP2004526343A (ja) 2004-08-26
CN1256803C (zh) 2006-05-17
WO2002047247A1 (en) 2002-06-13
EP1213830B1 (de) 2003-09-03
JP5105688B2 (ja) 2012-12-26

Similar Documents

Publication Publication Date Title
ATE249108T1 (de) Multimode funkkommunikationsgerät mit gemeinsamen referenzoszillator
JP3958371B2 (ja) 通信機器の待機電流を削減する方法と装置
CN102570973B (zh) 时钟系统以及用于时钟系统的方法
EP2283406B1 (de) Verfahren und vorrichtung zur teilereinheit-synchronisation
US8488506B2 (en) Oscillator settling time allowance
AU2003224911A1 (en) Atomic clock based on an opto-electronic oscillator
BRPI0309906B1 (pt) método de sincronizar a ativação de um relógio comum para o processador principal e o segundo processador em um dispositivo eletrônico tendo um modo de baixa energia
JP2011509603A (ja) ゲート時間／デジタル変換器を有するデジタル位相ロックドループ
US7689207B2 (en) Time of day synchronization and distribution within a multiprocessor embedded system and related methods
DE60212688D1 (de) Daten- und taktrückgewinnungsschaltung und eine vorrichtung mehrerer dieser schaltungen enthaltend
RU2554542C2 (ru) Схема тактирования для устройства беспроводной связи
JP4224686B2 (ja) 移動無線通信装置及び動作方法
Shahani et al. Low-power dividerless frequency synthesis using aperture phase detection
JP4224685B2 (ja) 移動無線通信装置
US20130083829A1 (en) Apparatus for providing reference signals and associated methods
JPH0774671A (ja) 送受信機の発振回路及びｐｌｌｉｃ
CN116456446B (zh) 时钟同步系统、方法、电子设备及计算机可读存储介质
JPS6415820A (en) Integrated circuit
JP2003101439A (ja) 無線通信装置
CN100492922C (zh) 用于振荡器模式切换的方法及对应的振荡器装置
CN121643639A (zh) 基于无晶振实现的SoC内部振荡器补偿方法、装置和系统
JPH05304469A (ja) Ｐｌｌ周波数シンセサイザ回路
CN116456446A (zh) 时钟同步系统、方法、电子设备及计算机可读存储介质
JP2741737B2 (ja) 半導体装置
JPS62128211A (ja) 周波数シンセサイザ

Legal Events

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