SG11202000761VA - Airframe timestamping technique for point-to-point radio links - Google Patents
Airframe timestamping technique for point-to-point radio linksInfo
- Publication number
- SG11202000761VA SG11202000761VA SG11202000761VA SG11202000761VA SG11202000761VA SG 11202000761V A SG11202000761V A SG 11202000761VA SG 11202000761V A SG11202000761V A SG 11202000761VA SG 11202000761V A SG11202000761V A SG 11202000761VA SG 11202000761V A SG11202000761V A SG 11202000761VA
- Authority
- SG
- Singapore
- Prior art keywords
- point
- airframe
- radio links
- timestamping
- technique
- Prior art date
Links
Classifications
-
- 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
- H04J3/0667—Bidirectional timestamps, e.g. NTP or PTP for compensation of clock drift and for compensation of propagation delays
-
- 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
-
- 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
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0697—Synchronisation in a packet node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201762537378P | 2017-07-26 | 2017-07-26 | |
PCT/US2018/043972 WO2019023507A1 (en) | 2017-07-26 | 2018-07-26 | Airframe timestamping technique for point-to-point radio links |
Publications (1)
Publication Number | Publication Date |
---|---|
SG11202000761VA true SG11202000761VA (en) | 2020-02-27 |
Family
ID=65038822
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG11202000761VA SG11202000761VA (en) | 2017-07-26 | 2018-07-26 | Airframe timestamping technique for point-to-point radio links |
Country Status (4)
Country | Link |
---|---|
US (3) | US10868623B2 (en) |
EP (1) | EP3659362B1 (en) |
SG (1) | SG11202000761VA (en) |
WO (1) | WO2019023507A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108023723B (en) * | 2016-11-04 | 2021-07-09 | 华为技术有限公司 | Method for frequency synchronization and slave clock |
US10411986B2 (en) | 2017-07-26 | 2019-09-10 | Aviat U.S., Inc. | Distributed radio transparent clock over a wireless network |
EP3659362B1 (en) * | 2017-07-26 | 2023-09-13 | Aviat Networks, Inc. | Airframe timestamping technique for point-to-point radio links |
US11353918B2 (en) | 2018-09-26 | 2022-06-07 | The Charles Stark Draper Laboratory, Inc. | Asynchronous timing exchange for redundant clock synchronization |
CN112566237B (en) * | 2020-11-30 | 2022-11-15 | 中国科学院国家授时中心 | Time synchronization method based on multi-node networking |
DK202170121A1 (en) * | 2021-03-17 | 2021-03-19 | Rtx As | Synchronization of multiple signals with an unprecise reference clock |
Family Cites Families (38)
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US7088795B1 (en) | 1999-11-03 | 2006-08-08 | Pulse-Link, Inc. | Ultra wide band base band receiver |
US7602873B2 (en) * | 2005-12-23 | 2009-10-13 | Agilent Technologies, Inc. | Correcting time synchronization inaccuracy caused by asymmetric delay on a communication link |
EP2076983B1 (en) | 2006-10-27 | 2012-05-30 | Telefonaktiebolaget L M Ericsson (PUBL) | Method for clock recovery using updated timestamps |
EP2150062B1 (en) * | 2008-07-28 | 2022-10-26 | Imagine Communications Corp. | Improved method, system and apparatus for synchronizing signals |
US8274998B2 (en) | 2008-10-02 | 2012-09-25 | Cortina Systems, Inc. | Systems and methods for packet based timing offset determination using timing adjustment information |
EP2187619A1 (en) * | 2008-11-05 | 2010-05-19 | Harris Corporation | Improved method, system and apparatus for synchronizing signals |
US8718482B1 (en) | 2009-11-10 | 2014-05-06 | Calix, Inc. | Transparent clock for precision timing distribution |
US8812739B2 (en) | 2009-12-17 | 2014-08-19 | Cisco Technology, Inc. | Recalibration of precision clocks in a computer network |
WO2011109539A2 (en) | 2010-03-02 | 2011-09-09 | Vitesse Semiconductor Corporation | Distributed packet-based timestamp engine |
US8775849B2 (en) * | 2010-05-10 | 2014-07-08 | Ikanos Communications, Inc. | Systems and methods for transporting time-of-day information in a communication system |
US8670439B2 (en) * | 2010-07-02 | 2014-03-11 | Futurewei Technologies, Inc. | Method for accurate distribution of time to a receiver node in an access network |
MY168816A (en) | 2011-07-20 | 2018-12-04 | Aviat Networks Inc | Systems and methods of network synchronization |
US8913632B2 (en) * | 2011-08-05 | 2014-12-16 | Khalifa University Of Science, Technology And Research | Method and system for frequency synchronization |
CN102932905B (en) * | 2011-08-10 | 2017-06-16 | 中兴通讯股份有限公司 | The realization method and system of 1588 link asymmetry time delays of automatic compensation |
US9106353B2 (en) * | 2011-12-13 | 2015-08-11 | Jds Uniphase Corporation | Time synchronization for network testing equipment |
WO2012092892A2 (en) * | 2012-02-01 | 2012-07-12 | 华为技术有限公司 | Synchronization method, device, and system |
US8681772B2 (en) * | 2012-05-11 | 2014-03-25 | Vitesse Semiconductor Corporation | Timing synchronization for networks with radio links |
JP2014027437A (en) * | 2012-07-26 | 2014-02-06 | Sony Corp | Communication device, communication system, synchronization processing method, and program |
CN104781687A (en) | 2012-08-10 | 2015-07-15 | 航空网络公司 | Systems and methods for phase determination over wireless link |
CN103840877B (en) * | 2012-11-23 | 2017-11-24 | 中兴通讯股份有限公司 | The time synchronism apparatus and method of automatic detection optical fiber asymmetric |
US9698926B2 (en) * | 2013-03-15 | 2017-07-04 | Microsemi Frequency And Time Corporation | Distributed two-step clock |
US9270396B2 (en) | 2013-04-11 | 2016-02-23 | Tellabs Operations, Inc. | Method and apparatus for providing timing analysis for packet streams over packet carriers |
CN104144047B (en) | 2013-05-09 | 2017-09-29 | 华为技术有限公司 | The synchronous method of communications network system, intermediate node and from node |
CN103312428B (en) * | 2013-05-23 | 2016-01-27 | 华为技术有限公司 | For the method and apparatus of precision clock protocol synchronization network |
US9531395B2 (en) * | 2013-10-02 | 2016-12-27 | Khalifa University Of Science, Technology And Research | Method and devices for time and frequency synchronization using a phase locked loop |
US20150092796A1 (en) * | 2013-10-02 | 2015-04-02 | Khalifa University of Science, Technology, and Research | Method and devices for time and frequency synchronization |
US9692563B2 (en) * | 2014-04-14 | 2017-06-27 | Cisco Technology, Inc. | Upstream contention measurement reporting and mitigation in DOCSIS remote PHY network environments |
US9749972B2 (en) * | 2014-09-25 | 2017-08-29 | Blinq Wireless Inc. | System and method for clock synchronization in a wireless backhaul network using IEEE 1588 precision time protocol |
US9671822B2 (en) | 2014-12-11 | 2017-06-06 | Khalifa University Of Science, Technology And Research | Method and devices for time transfer using end-to-end transparent clocks |
US9665121B2 (en) | 2014-12-11 | 2017-05-30 | Khalifa University Of Science, Technology And Research | Method and devices for time transfer using peer-to-peer transparent clocks |
EP3089386A1 (en) * | 2015-04-29 | 2016-11-02 | ABB Technology AG | Method, system and device for clock synchronization over time-varying and lossy networks |
EP3295726B1 (en) | 2015-05-14 | 2020-06-24 | Telefonaktiebolaget LM Ericsson (publ) | Methods and system for synchronizing nodes in a wireless network |
US9608752B2 (en) * | 2015-05-15 | 2017-03-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and methods of transporting internal radio base station (RBS) interface information over a packet switched network |
CN106921456B (en) | 2015-12-24 | 2018-06-19 | 中国科学院沈阳自动化研究所 | Multi-hop wireless backhaul network time synchronization error compensation method based on PTP protocol |
US10694526B2 (en) * | 2016-09-30 | 2020-06-23 | Drexel University | Adaptive pursuit learning method to mitigate small-cell interference through directionality |
US10856242B2 (en) * | 2016-11-21 | 2020-12-01 | Phasorlab, Inc. | Wireless time and frequency lock loop system |
EP3659362B1 (en) * | 2017-07-26 | 2023-09-13 | Aviat Networks, Inc. | Airframe timestamping technique for point-to-point radio links |
US10411986B2 (en) * | 2017-07-26 | 2019-09-10 | Aviat U.S., Inc. | Distributed radio transparent clock over a wireless network |
-
2018
- 2018-07-26 EP EP18839156.9A patent/EP3659362B1/en active Active
- 2018-07-26 WO PCT/US2018/043972 patent/WO2019023507A1/en unknown
- 2018-07-26 SG SG11202000761VA patent/SG11202000761VA/en unknown
- 2018-07-26 US US16/046,877 patent/US10868623B2/en active Active
-
2020
- 2020-12-14 US US17/121,491 patent/US11476963B2/en active Active
-
2022
- 2022-10-18 US US17/968,273 patent/US20230040503A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP3659362C0 (en) | 2023-09-13 |
US20190036631A1 (en) | 2019-01-31 |
US11476963B2 (en) | 2022-10-18 |
US20210152268A1 (en) | 2021-05-20 |
EP3659362A4 (en) | 2021-08-04 |
WO2019023507A1 (en) | 2019-01-31 |
US20230040503A1 (en) | 2023-02-09 |
EP3659362A1 (en) | 2020-06-03 |
US10868623B2 (en) | 2020-12-15 |
EP3659362B1 (en) | 2023-09-13 |
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