HK1176472A1 - System and method for selecting optimum local oscillator discipline source - Google Patents

System and method for selecting optimum local oscillator discipline source

Info

Publication number
HK1176472A1
HK1176472A1 HK13102464.8A HK13102464A HK1176472A1 HK 1176472 A1 HK1176472 A1 HK 1176472A1 HK 13102464 A HK13102464 A HK 13102464A HK 1176472 A1 HK1176472 A1 HK 1176472A1
Authority
HK
Hong Kong
Prior art keywords
local oscillator
selecting optimum
optimum local
discipline source
discipline
Prior art date
Application number
HK13102464.8A
Other languages
English (en)
Chinese (zh)
Inventor
．斯米利
．尼科爾斯
Original Assignee
蘋果公司
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 蘋果公司 filed Critical 蘋果公司
Publication of HK1176472A1 publication Critical patent/HK1176472A1/xx

Links

Classifications

    • 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
    • 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
    • H03L7/24—Automatic control of frequency or phase; Synchronisation using a reference signal directly applied to the generator
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G06F1/14—Time supervision arrangements, e.g. real time clock
    • 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
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
    • H03L7/087—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal using at least two phase detectors or a frequency and phase detector in the loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
    • H04L7/027—Speed or phase control by the received code signals, the signals containing no special synchronisation information extracting the synchronising or clock signal from the received signal spectrum, e.g. by using a resonant or bandpass circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Mobile Radio Communication Systems (AREA)
HK13102464.8A 2009-06-19 2013-02-27 System and method for selecting optimum local oscillator discipline source HK1176472A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/487,933 US8120432B2 (en) 2009-06-19 2009-06-19 System and method for selecting optimum local oscillator discipline source
PCT/CA2010/000828 WO2010144996A1 (en) 2009-06-19 2010-06-03 System and method for selecting optimum local oscillator discipline source

Publications (1)

Publication Number Publication Date
HK1176472A1 true HK1176472A1 (en) 2013-07-26

Family

ID=43353786

Family Applications (1)

Application Number Title Priority Date Filing Date
HK13102464.8A HK1176472A1 (en) 2009-06-19 2013-02-27 System and method for selecting optimum local oscillator discipline source

Country Status (10)

Country Link
US (2) US8120432B2 (ru)
EP (1) EP2443749B1 (ru)
JP (1) JP5624613B2 (ru)
KR (1) KR101699996B1 (ru)
CN (1) CN102687401B (ru)
BR (1) BR112012000566B1 (ru)
CA (1) CA2765707C (ru)
HK (1) HK1176472A1 (ru)
RU (1) RU2529849C2 (ru)
WO (1) WO2010144996A1 (ru)

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US8125279B2 (en) * 2009-06-19 2012-02-28 Rockstar Bidco, LP System and method for reducing holdover duration
US8120432B2 (en) * 2009-06-19 2012-02-21 Rockstar Bidco, LP System and method for selecting optimum local oscillator discipline source
US7915962B2 (en) * 2009-07-06 2011-03-29 Nortel Networks Limited System and method for built in self test for timing module holdover
GB201100986D0 (en) * 2011-01-20 2011-03-09 Nordic Semiconductor Asa Low power oscillator
US8971356B2 (en) * 2011-04-29 2015-03-03 Rad Data Communications Ltd. Timing over packet demarcation entity
CA2877720C (en) 2012-06-29 2020-09-01 Finite State Research Llc System for maintaining accurate ideal clock time
US9362926B2 (en) 2014-02-19 2016-06-07 Arbiter Systems, Incorporated High-reliability holdover method and topologies
US10969783B2 (en) * 2018-08-24 2021-04-06 Baidu Usa Llc Time source ranking system for an autonomous driving vehicle
US10735007B1 (en) 2019-05-28 2020-08-04 Harris Global Communications, Inc. Method of limiting frequency overshoot in a timing recovery loop
US12019166B2 (en) 2021-07-13 2024-06-25 Orolia Usa Inc. Multiple redundant disciplined oscillator systems in a spoofing resistant reference time source system and methods thereof
US20230370984A1 (en) * 2022-05-11 2023-11-16 Hughes Network Systems, Llc Communication systems and methods for synchronizing clock timing and frequency
CN115664627B (zh) * 2022-12-14 2023-03-10 四川创智联恒科技有限公司 基于1588协议的频率同步精度检测方法及自适应系统

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US7135933B2 (en) * 2004-09-29 2006-11-14 Intelliserv, Inc. System for adjusting frequency of electrical output pulses derived from an oscillator
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US8120432B2 (en) * 2009-06-19 2012-02-21 Rockstar Bidco, LP System and method for selecting optimum local oscillator discipline source
US8125279B2 (en) * 2009-06-19 2012-02-28 Rockstar Bidco, LP System and method for reducing holdover duration
US7915962B2 (en) 2009-07-06 2011-03-29 Nortel Networks Limited System and method for built in self test for timing module holdover

Also Published As

Publication number Publication date
JP2012530411A (ja) 2012-11-29
EP2443749B1 (en) 2019-03-13
US20120133443A1 (en) 2012-05-31
JP5624613B2 (ja) 2014-11-12
CN102687401A (zh) 2012-09-19
US8576014B2 (en) 2013-11-05
EP2443749A1 (en) 2012-04-25
BR112012000566A2 (pt) 2017-10-31
US20100321118A1 (en) 2010-12-23
CA2765707C (en) 2017-10-24
BR112012000566B1 (pt) 2020-07-21
WO2010144996A1 (en) 2010-12-23
EP2443749A4 (en) 2014-01-01
RU2011153501A (ru) 2013-07-27
CA2765707A1 (en) 2010-12-23
US8120432B2 (en) 2012-02-21
KR101699996B1 (ko) 2017-01-26
CN102687401B (zh) 2015-07-22
RU2529849C2 (ru) 2014-10-10
KR20120036986A (ko) 2012-04-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20210606