KR102144018B1 - 분산된 주파수 동기화를 가능하게 하기 위한 방법들 및 장치 - Google Patents

분산된 주파수 동기화를 가능하게 하기 위한 방법들 및 장치 Download PDF

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KR102144018B1
KR102144018B1 KR1020157015465A KR20157015465A KR102144018B1 KR 102144018 B1 KR102144018 B1 KR 102144018B1 KR 1020157015465 A KR1020157015465 A KR 1020157015465A KR 20157015465 A KR20157015465 A KR 20157015465A KR 102144018 B1 KR102144018 B1 KR 102144018B1
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clock rate
ues
adjusted
fastest
synchronization signals
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KR20150087275A (ko
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사우라브 알. 타빌다르
토마스 제이. 리차드슨
준이 리
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658—Clock or time synchronisation among packet nodes
    • H04J3/0661—Clock or time synchronisation among packet nodes using timestamps
    • H04J3/0664—Clock or time synchronisation among packet nodes using timestamps unidirectional timestamps
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0635—Clock or time synchronisation in a network
    • H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0035—Synchronisation arrangements detecting errors in frequency or phase

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020157015465A 2012-11-16 2013-11-15 분산된 주파수 동기화를 가능하게 하기 위한 방법들 및 장치 Active KR102144018B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/679,101 2012-11-16
US13/679,101 US8923464B2 (en) 2012-11-16 2012-11-16 Methods and apparatus for enabling distributed frequency synchronization
PCT/US2013/070396 WO2014078719A1 (en) 2012-11-16 2013-11-15 Methods and apparatus for enabling distributed frequency synchronization

Publications (2)

Publication Number Publication Date
KR20150087275A KR20150087275A (ko) 2015-07-29
KR102144018B1 true KR102144018B1 (ko) 2020-08-12

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KR1020157015465A Active KR102144018B1 (ko) 2012-11-16 2013-11-15 분산된 주파수 동기화를 가능하게 하기 위한 방법들 및 장치

Country Status (6)

Country Link
US (2) US8923464B2 (enExample)
EP (1) EP2920900B1 (enExample)
JP (1) JP6693746B2 (enExample)
KR (1) KR102144018B1 (enExample)
CN (2) CN108063645A (enExample)
WO (1) WO2014078719A1 (enExample)

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US9973601B2 (en) * 2013-03-15 2018-05-15 Avago Technologies General Ip (Singapore) Pte. Ltd. Fault tolerant clock network
WO2015062747A1 (en) 2013-11-01 2015-05-07 Huawei Technologies Co.,Ltd Transmitter, receiver and method for generating synchronisation signals
US9615341B2 (en) * 2013-11-01 2017-04-04 Futurewei Technologies, Inc. System and method for transmitting a synchronization signal
US9167544B2 (en) 2014-01-28 2015-10-20 Industrial Technology Research Institute Device to device synchronization method applicable to user equipment and user equipment using the same
KR102198701B1 (ko) * 2014-07-03 2021-01-05 삼성전자주식회사 멀티미디어 시스템에서 정보를 송수신하는 방법 및 장치
WO2016018107A1 (ko) * 2014-07-30 2016-02-04 엘지전자(주) 무선 통신 시스템에서 단말 간 동기화를 수행하기 위한 방법 및 장치
CN104363658B (zh) * 2014-11-06 2019-03-22 东莞宇龙通信科技有限公司 直通资源的管理方法和直通资源的管理系统
US9356775B1 (en) * 2015-07-09 2016-05-31 Xilinx, Inc. Clock data recovery (CDR) phase walk scheme in a phase-interpolater-based transceiver system
PT3357285T (pt) * 2015-10-02 2021-09-24 Ericsson Telefon Ab L M Sincronização de relógios numa rede de comunicações
GB2544120B (en) * 2015-11-09 2021-02-24 Tcl Communication Ltd Systems and methods for measuring signals
JP2019527972A (ja) * 2016-07-29 2019-10-03 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． デバイス間通信方法およびユーザ機器
CN110366101B (zh) * 2019-07-26 2023-06-06 杭州微萤科技有限公司 一种uwb集中式计算实现大规模定位的方法
CN110446156B (zh) * 2019-07-26 2023-06-06 杭州微萤科技有限公司 一种uwb分布式计算实现大规模定位的方法
SE546287C2 (en) * 2021-02-22 2024-09-24 Net Insight Ab Robust time distribution and synchronization in computer and radio access networks
US11722980B1 (en) * 2022-12-12 2023-08-08 Ultralogic 6G, Llc Guard-space timestamp point for precision synchronization in 5G and 6G

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EP0389780A2 (en) 1989-03-31 1990-10-03 International Business Machines Corporation Clock synchronization algorithm for address independent networks
US20020178292A1 (en) * 2001-03-30 2002-11-28 Itran Communications Ltd. Distributed synchronization mechanism for shared communications media based networks
US20100157972A1 (en) 2008-12-23 2010-06-24 Nokia Corporation Network synchronization method

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US6611922B2 (en) * 1999-08-09 2003-08-26 Power Measurement, Ltd. Power system time synchronization device and method for sequence of event recording
JP2001221874A (ja) * 2000-02-14 2001-08-17 Toshiba Corp 時刻同期方式
CA2301436A1 (en) * 2000-03-20 2001-09-20 Peter Renaud Method and system for multi-protocol clock recovery and generation
US6686803B1 (en) * 2000-07-10 2004-02-03 Silicon Laboratories, Inc. Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor
US6831523B1 (en) * 2000-07-10 2004-12-14 Silicon Laboratories Inc. Auto-detection between referenceless and reference clock mode of operation
US6944188B2 (en) * 2001-02-21 2005-09-13 Wi-Lan, Inc. Synchronizing clocks across a communication link
US20030084190A1 (en) * 2001-10-25 2003-05-01 Kimball Robert H. Apparatus and system for maintaining accurate time in a wireless environment
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WO2013002688A1 (en) * 2011-06-29 2013-01-03 Telefonaktiebolaget L M Ericsson (Publ) A method and a user equipment for peer-to-peer communication
US8923464B2 (en) * 2012-11-16 2014-12-30 Qualcomm Incorporated Methods and apparatus for enabling distributed frequency synchronization
US9137763B2 (en) * 2012-11-16 2015-09-15 Qualcomm Incorporated Methods and apparatus for enabling distributed frequency synchronization

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EP0389780A2 (en) 1989-03-31 1990-10-03 International Business Machines Corporation Clock synchronization algorithm for address independent networks
US20020178292A1 (en) * 2001-03-30 2002-11-28 Itran Communications Ltd. Distributed synchronization mechanism for shared communications media based networks
US20100157972A1 (en) 2008-12-23 2010-06-24 Nokia Corporation Network synchronization method

Also Published As

Publication number Publication date
EP2920900A1 (en) 2015-09-23
KR20150087275A (ko) 2015-07-29
US20140140456A1 (en) 2014-05-22
US8923464B2 (en) 2014-12-30
JP2015535164A (ja) 2015-12-07
WO2014078719A1 (en) 2014-05-22
US20150110101A1 (en) 2015-04-23
JP6693746B2 (ja) 2020-05-13
US9621289B2 (en) 2017-04-11
CN108063645A (zh) 2018-05-22
CN104798325B (zh) 2018-11-23
CN104798325A (zh) 2015-07-22
EP2920900B1 (en) 2023-05-10

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