ATE488051T1 - Verfahren und system zur aufrechterhaltung autonomer systemzeitgebergenauigkeit für ein mobilfunkendgerät - Google Patents

Verfahren und system zur aufrechterhaltung autonomer systemzeitgebergenauigkeit für ein mobilfunkendgerät

Info

Publication number
ATE488051T1
ATE488051T1 AT06842223T AT06842223T ATE488051T1 AT E488051 T1 ATE488051 T1 AT E488051T1 AT 06842223 T AT06842223 T AT 06842223T AT 06842223 T AT06842223 T AT 06842223T AT E488051 T1 ATE488051 T1 AT E488051T1
Authority
AT
Austria
Prior art keywords
mobile radio
radio terminal
frequency generator
clock signal
timer accuracy
Prior art date
Application number
AT06842223T
Other languages
English (en)
Inventor
Lars Berggren
Original Assignee
Sony Ericsson Mobile Comm 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 Sony Ericsson Mobile Comm Ab filed Critical Sony Ericsson Mobile Comm Ab
Application granted granted Critical
Publication of ATE488051T1 publication Critical patent/ATE488051T1/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
    • H04B1/38—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
    • H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
    • H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
    • H03L1/023—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes
    • H03L1/025—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using voltage variable capacitance diodes and a memory for digitally storing correction values
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Telephonic Communication Services (AREA)
  • Electric Clocks (AREA)
  • Transceivers (AREA)
AT06842223T 2006-06-14 2006-12-07 Verfahren und system zur aufrechterhaltung autonomer systemzeitgebergenauigkeit für ein mobilfunkendgerät ATE488051T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/423,965 US7542445B2 (en) 2006-06-14 2006-06-14 Method and system for maintaining autonomous system clock accuracy for a mobile radio terminal
PCT/IB2006/003522 WO2007144690A1 (en) 2006-06-14 2006-12-07 Method and system for maintaining autonomous system clock accuracy for a mobile radio terminal

Publications (1)

Publication Number Publication Date
ATE488051T1 true ATE488051T1 (de) 2010-11-15

Family

ID=37969896

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06842223T ATE488051T1 (de) 2006-06-14 2006-12-07 Verfahren und system zur aufrechterhaltung autonomer systemzeitgebergenauigkeit für ein mobilfunkendgerät

Country Status (8)

Country Link
US (1) US7542445B2 (de)
EP (1) EP2027657B1 (de)
JP (1) JP2009540719A (de)
KR (1) KR20090029191A (de)
CN (1) CN101461148B (de)
AT (1) ATE488051T1 (de)
DE (1) DE602006018203D1 (de)
WO (1) WO2007144690A1 (de)

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GB2450680B (en) 2007-06-22 2012-05-30 Ubiquisys Ltd Controlling timing of synchronization updates
US8402302B2 (en) * 2008-07-03 2013-03-19 Imsys Ab Timer system for maintaining the accuracy of a real time clock when synchronization source is not available
US20110260761A1 (en) * 2008-10-17 2011-10-27 Freescale Semiconductor, Inc. Temperature compensation in a phase-locked loop
CN101521695A (zh) * 2008-12-22 2009-09-02 康佳集团股份有限公司 一种可测量温度的手机及其利用该手机测量温度的方法
US8731501B2 (en) * 2009-09-29 2014-05-20 Silicon Laboratories Inc. Systems and methods for tuning a broadcast radio receiver with digital display
US9154349B2 (en) * 2009-10-26 2015-10-06 Electronics And Telecommunications Research Institute Wireless transmitter for high mobility and high throughput and mode control method thereof
JP5743221B2 (ja) * 2012-06-29 2015-07-01 カシオ計算機株式会社 無線同期システム、無線装置、センサ装置、無線同期方法、及びプログラム
CN103346735A (zh) * 2013-06-13 2013-10-09 深圳市芯海科技有限公司 一种微控制器的时钟信号生成方法、装置及微控制器
KR101538230B1 (ko) * 2013-11-21 2015-07-20 고려대학교 산학협력단 이동 단말기의 전력 관리 방법 및 이동 단말기
JP6521219B2 (ja) * 2015-01-19 2019-05-29 セイコーエプソン株式会社 Ｄ／ａ変換回路、発振器、電子機器及び移動体
JP6572571B2 (ja) 2015-03-16 2019-09-11 セイコーエプソン株式会社 発振器、電子機器および移動体
CN106445360A (zh) * 2015-08-07 2017-02-22 中兴通讯股份有限公司 终端操作模式的切换方法及装置
KR102599653B1 (ko) 2015-11-20 2023-11-08 삼성전자주식회사 냉각 알고리즘을 수행하는 집적 회로와 이를 포함하는 모바일 장치
CN106205660B (zh) * 2016-07-18 2019-05-28 北京兆易创新科技股份有限公司 非易失性存储器时钟频率的调节方法及非易失性存储器
US11677433B2 (en) * 2018-01-04 2023-06-13 Mediatek Inc. Wireless system having local oscillator signal derived from reference clock output of active oscillator that has no electromechanical resonator
EP4478607A4 (de) 2022-03-15 2025-06-11 Samsung Electronics Co., Ltd Verfahren und vorrichtung zur aufrechterhaltung der kommunikationsleistung in übereinstimmung mit der innentemperatur in einer elektronischen vorrichtung

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US7009460B2 (en) * 2004-07-21 2006-03-07 Sony Ericsson Mobile Communications Ab Method and apparatus for reducing the start time of a VCXO

Also Published As

Publication number Publication date
US7542445B2 (en) 2009-06-02
DE602006018203D1 (de) 2010-12-23
CN101461148B (zh) 2011-12-07
KR20090029191A (ko) 2009-03-20
US20070291676A1 (en) 2007-12-20
EP2027657B1 (de) 2010-11-10
JP2009540719A (ja) 2009-11-19
EP2027657A1 (de) 2009-02-25
CN101461148A (zh) 2009-06-17
WO2007144690A1 (en) 2007-12-21

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