KR101699996B1 - 최적의 로컬 오실레이터 훈련 소스를 선택하기 위한 시스템 및 방법 - Google Patents
최적의 로컬 오실레이터 훈련 소스를 선택하기 위한 시스템 및 방법 Download PDFInfo
- Publication number
- KR101699996B1 KR101699996B1 KR1020127001490A KR20127001490A KR101699996B1 KR 101699996 B1 KR101699996 B1 KR 101699996B1 KR 1020127001490 A KR1020127001490 A KR 1020127001490A KR 20127001490 A KR20127001490 A KR 20127001490A KR 101699996 B1 KR101699996 B1 KR 101699996B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- signals
- accurate
- information
- frequency
- 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 - Fee Related
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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
- H03L7/24—Automatic control of frequency or phase; Synchronisation using a reference signal directly applied to the generator
-
- 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (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)
Applications Claiming Priority (3)
| 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 |
| US12/487,933 | 2009-06-19 | ||
| PCT/CA2010/000828 WO2010144996A1 (en) | 2009-06-19 | 2010-06-03 | System and method for selecting optimum local oscillator discipline source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20120036986A KR20120036986A (ko) | 2012-04-18 |
| KR101699996B1 true KR101699996B1 (ko) | 2017-01-26 |
Family
ID=43353786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020127001490A Expired - Fee Related KR101699996B1 (ko) | 2009-06-19 | 2010-06-03 | 최적의 로컬 오실레이터 훈련 소스를 선택하기 위한 시스템 및 방법 |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US8120432B2 (enExample) |
| EP (1) | EP2443749B1 (enExample) |
| JP (1) | JP5624613B2 (enExample) |
| KR (1) | KR101699996B1 (enExample) |
| CN (1) | CN102687401B (enExample) |
| BR (1) | BR112012000566B1 (enExample) |
| CA (1) | CA2765707C (enExample) |
| RU (1) | RU2529849C2 (enExample) |
| WO (1) | WO2010144996A1 (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP3282340A1 (en) | 2012-06-29 | 2018-02-14 | 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 |
| US12439351B2 (en) * | 2022-05-11 | 2025-10-07 | 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008187340A (ja) | 2007-01-29 | 2008-08-14 | Kyocera Corp | 無線通信システム、基地局、および同期方法 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01208047A (ja) * | 1988-02-16 | 1989-08-22 | Fujitsu Ltd | クロック供給方式 |
| JPH06197014A (ja) | 1992-12-25 | 1994-07-15 | Mitsubishi Electric Corp | 位相同期回路 |
| TW303548B (enExample) * | 1993-06-07 | 1997-04-21 | Ibm | |
| JPH07336784A (ja) * | 1994-06-08 | 1995-12-22 | Toshiba Corp | クロック同期装置 |
| US5982831A (en) * | 1996-02-21 | 1999-11-09 | Hewlett-Packard Company | Feed forward method and apparatus for generating a clock signal |
| US6307896B1 (en) * | 1998-04-03 | 2001-10-23 | Tektronix, Inc. | Instrumentation receiver for digitally modulated radio frequency signals |
| JP2000174616A (ja) * | 1998-12-04 | 2000-06-23 | Fujitsu Ltd | 半導体集積回路 |
| US6121816A (en) * | 1999-04-23 | 2000-09-19 | Semtech Corporation | Slave clock generation system and method for synchronous telecommunications networks |
| US6901106B1 (en) * | 1999-10-19 | 2005-05-31 | Industrial Technology Research Institute | Delay lock code tracking loop employing multiple timing references |
| US6259328B1 (en) * | 1999-12-17 | 2001-07-10 | Network Equipment Technologies, Inc. | Method and system for managing reference signals for network clock synchronization |
| US6633621B1 (en) | 2000-03-20 | 2003-10-14 | Motorola, Inc. | Apparatus and method for synchronizing a clock using a phase-locked loop circuit |
| US6738604B2 (en) * | 2001-07-31 | 2004-05-18 | Qualcomm, Inc. | Programmable IF bandwidth using fixed bandwidth filters |
| US6711230B1 (en) * | 2002-09-27 | 2004-03-23 | Nortel Networks Limited | Reference timing signal oscillator with frequency stability |
| US7146146B2 (en) * | 2003-01-31 | 2006-12-05 | Ditrans Ip, Inc. | Systems and methods for coherent adaptive calibration in a receiver |
| JP4257499B2 (ja) * | 2003-03-12 | 2009-04-22 | 日本電気株式会社 | 周波数補正方法、装置、および移動端末 |
| GB0323936D0 (en) * | 2003-10-11 | 2003-11-12 | Zarlink Semiconductor Inc | Digital phase locked loop with selectable normal or fast-locking capability |
| US7664216B2 (en) * | 2004-08-05 | 2010-02-16 | Micron Technology, Inc. | Digital frequency locked delay line |
| US7424069B1 (en) * | 2004-08-19 | 2008-09-09 | Nortel Networks Limited | Reference timing signal apparatus and method |
| US7015762B1 (en) * | 2004-08-19 | 2006-03-21 | Nortel Networks Limited | Reference timing signal apparatus and method |
| US7135933B2 (en) * | 2004-09-29 | 2006-11-14 | Intelliserv, Inc. | System for adjusting frequency of electrical output pulses derived from an oscillator |
| JP2006217359A (ja) * | 2005-02-04 | 2006-08-17 | Matsushita Electric Ind Co Ltd | 移動体通信システムの同期装置及び同期方法 |
| JP2006279849A (ja) | 2005-03-30 | 2006-10-12 | Sanyo Electric Co Ltd | 電圧保持回路及びクロック同期回路 |
| ATE410831T1 (de) * | 2006-05-16 | 2008-10-15 | Research In Motion Ltd | Drahtloses mobiles kommunikationsgerät dessen empfangsschaltung mit niedriger zwischenfrequenz sich der funkumgebung anpasst |
| RU2338219C1 (ru) * | 2007-02-05 | 2008-11-10 | ОАО "Уральское проектно-конструкторское бюро "Деталь" | Способ сопровождения цели и устройство моноимпульсной рлс, реализующей способ |
| US7545228B1 (en) * | 2007-09-12 | 2009-06-09 | Sitime Inc. | Dynamic temperature compensation for a digitally controlled oscillator using dual MEMS resonators |
| US7692499B2 (en) | 2007-12-31 | 2010-04-06 | Integrated Device Technology, Inc. | Digitally compensated highly stable holdover clock generation techniques using adaptive filtering |
| US7764131B1 (en) * | 2008-09-23 | 2010-07-27 | Silicon Labs Sc, Inc. | Precision, temperature stable clock using a frequency-control circuit and dual oscillators |
| 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 |
-
2009
- 2009-06-19 US US12/487,933 patent/US8120432B2/en not_active Expired - Fee Related
-
2010
- 2010-06-03 RU RU2011153501/08A patent/RU2529849C2/ru active
- 2010-06-03 KR KR1020127001490A patent/KR101699996B1/ko not_active Expired - Fee Related
- 2010-06-03 WO PCT/CA2010/000828 patent/WO2010144996A1/en not_active Ceased
- 2010-06-03 CN CN201080036532.0A patent/CN102687401B/zh not_active Expired - Fee Related
- 2010-06-03 EP EP10788537.8A patent/EP2443749B1/en not_active Not-in-force
- 2010-06-03 JP JP2012515297A patent/JP5624613B2/ja not_active Expired - Fee Related
- 2010-06-03 BR BR112012000566-9A patent/BR112012000566B1/pt not_active IP Right Cessation
- 2010-06-03 CA CA2765707A patent/CA2765707C/en not_active Expired - Fee Related
-
2012
- 2012-02-06 US US13/366,765 patent/US8576014B2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008187340A (ja) | 2007-01-29 | 2008-08-14 | Kyocera Corp | 無線通信システム、基地局、および同期方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5624613B2 (ja) | 2014-11-12 |
| CN102687401B (zh) | 2015-07-22 |
| EP2443749B1 (en) | 2019-03-13 |
| HK1176472A1 (en) | 2013-07-26 |
| BR112012000566A2 (pt) | 2017-10-31 |
| KR20120036986A (ko) | 2012-04-18 |
| CN102687401A (zh) | 2012-09-19 |
| WO2010144996A1 (en) | 2010-12-23 |
| JP2012530411A (ja) | 2012-11-29 |
| US8576014B2 (en) | 2013-11-05 |
| US20120133443A1 (en) | 2012-05-31 |
| BR112012000566B1 (pt) | 2020-07-21 |
| CA2765707C (en) | 2017-10-24 |
| US20100321118A1 (en) | 2010-12-23 |
| RU2011153501A (ru) | 2013-07-27 |
| EP2443749A4 (en) | 2014-01-01 |
| US8120432B2 (en) | 2012-02-21 |
| CA2765707A1 (en) | 2010-12-23 |
| RU2529849C2 (ru) | 2014-10-10 |
| EP2443749A1 (en) | 2012-04-25 |
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