![]() METHOD FOR SYNCHRONIZING SIGNALS IN A SATELLITE AND TERRESTRIAL LINK AND ASSOCIATED ARCHITECTURE
专利摘要:
A method of synchronizing the transmission of messages in a communication system comprising a user terminal (140), a main communication network (110) comprising a first station (111), and a secondary communication network (120) comprising a second station (121), said method consisting of an exchange of synchronization signals making it possible to calculate an offset to be applied to the instant of transmission of the messages transmitted by said earth station so that the messages transmitted by the satellite station and the earth station are received by the user terminal synchronously. Communication system implementing the invention. 公开号:FR3030953A1 申请号:FR1402969 申请日:2014-12-23 公开日:2016-06-24 发明作者:Marc Ratiney;Wambeke Nicolas Van;Benjamin Gadat 申请人:Thales SA; IPC主号:
专利说明:
[0001] Marks & Clerk France Industrial Property Attorneys Head Office - Paris Office "Visium" Building 22, avenue Aristide Briand 94117 Arcueil Cedex - France 92 INPI GUICHET RECEIVED 06.03.2015 41I0953 uIr ', NATIONAL INSTITUTE OF INDUSTRIAL PROPERTY Mr. Director 15 Street of the Minimes - CS 50001 92677 COURBEVOIE CEDEX Arcueil, 4th March 2015 N / Ref. : 069435 FR CVI / BQT Patent application: France N ° 1402969 Date filed: 23 décembre 2014 Official title: METHOD OF SYNCHRONIZATION OF SIGNALS IN A SATELLITE AND TERRESTRIAL LINK AND ASSOCIATED ARCHITECTURE Applicant: THALES Inventors: Marc RATINEY, Nicolas VAN WAMBEKE, Benjamin GADAT SUBJECT: REGULARIZATION DRAWINGS AFTER DEPOSIT Mr. Director, In order to regularize the request cited in the subject, please find, attached: - A set of 7 boards of regular drawings - An abbreviated figure (figure la) We Please accept, Mr Director, our best regards. Enrico PRIORI CPI 09-0509 Pi: 7 regular drawing boards + abbreviated form MUMVEMM Cemilication A joint venture between Atout PI Conseil SAS (60%), IP attorneys, and Marks & Clerk International (40%) SNC with a capital of 400 000 Euros - RCS Créteil B 482 393 006 The international network Marks & Clerk has affiliated companies in the following countries and cities: United Kingdom (Aberdeen, Birmingham, Cambridge, Edinburgh, Glasgow, London, Manchester, Oxford), Australia (Melbourne ), Canada (Ottawa), China (Beijing, Hong Kong), France (Paris, Sophia Antipolis), Luxembourg, Malaysia (Kuala Lumpur), Singapore. 1/7 100 140 120-2., 111 ..! iii ..._ - - _ - 4 = 14 1 --- L 150 Data 1_1_ 130 FIG.1 a / 7 160 (, - 121-- "- - -, - -150 H-130 FIG.1 b Data 1 (o)) r 120 Z'Old ESZ 1.LZ z.t7z -I- 0 £ Z OtZ <Z9Z I.9Z 1.17Z -1 - OZZ ZLZ Z9Z <017Z -1-012 08Z m Ln C5) 0 m 0 m '01 .d 1 Z Z Z1, C Z 17 Z EtZ-4 ----- ocz 1 1.ZE ---- 1.17Z -1 - ozz m Ln C5) 0 m 0 m VOld 1, Z17-. <> Z 07 K --- Z-17Z N. Zi3 £ 17Z -5: 1717Z -z-ozz £ kfrv14i: '-.1.17Z -1-01.Z 4 1.1.1 (1) 2 -1 / 7 Transmission of a first synchronization signal - Measurement of the instant of reception of a second and a third synchronization signal, calculation of a first time interval Transmission of the first time interval - Transmission of a fourth synchronization signal FIG.5 Measurement of the instant of reception of a first synchronization signal 501 502 503 504 701 704 Adjustment of the time reference / 1 702 Transmission of a second synchronization signal 703 - Transmission of a third signal synchronization signal FIG.7 / 7 Measurement of the instant of reception of a first synchronization signal. Adjustment of the time reference 602 Transmission of a second synchronization signal Receipt of the first time interval /.1./604 Measurement of the reception time of a third / fourth 60.1 / 605 signal synchronization, calculation of a second time interval Calculation of the third time interval 606 - Taking into account of the third time interval for the emissions FIG.6 601 607
权利要求:
Claims (4) [0001] REVENDICATIONS1. A method of synchronizing the transmission of messages in a communication system comprising a user terminal (140), a main communication network to said user terminal (110) comprising a first station (111), and a secondary communication network to said user terminal (120) comprising a second station (121), intended to be executed on said first station having a time reference, characterized in that it comprises the steps of: 1) transmitting (501) a first signal of synchronization (251) to said user terminal and said second station, [0002] 2) measurement (502) of the instant of reception of a second synchronization signal (262) transmitted by the user terminal following the reception of said first synchronization signal, and of a third synchronization signal (272) transmitted by the second station after receiving said first synchronization signal, and calculating a first time interval from these reception times, [0003] 3) transmitting (503) said first calculated time interval to said second station, and [0004] 4) transmitting (504) a fourth synchronization signal (311) to said second station. A method of synchronizing the transmission of messages in a communication system comprising a user terminal (140), a main communication network to said user terminal (110) comprising a first station (111), and a secondary communication network to said user terminal (120) comprising a second station (121), intended to be executed on said second station having a time reference, characterized in that it comprises the steps of: a) measuring (601) the instant receiving a first synchronization signal (253) transmitted by said first station, b) adjusting (602) said time reference with respect to the instant of reception of said first synchronization signal, C) transmission (603) of a second synchronization signal (271) to said first station, d) receiving (604) a first time slot transmitted by said first station, e) measuring (605) of the instant t receiving a third synchronization signal (312) transmitted by said first station and the instant of reception of a fourth synchronization signal (322) transmitted by said user terminal, and calculating a second time interval at from these reception instants, f) calculating (606) a third time interval from said first time interval and said second time interval, and g) during the transmission of data by the land station to the terminal user, offset (607) transmission times of a duration equal to the third time interval. A method of synchronizing the transmission of messages in a communication system comprising a user terminal (140), a main communication network to said user terminal (110) comprising a first station (111), and a secondary communication network to said user terminal (120) comprising a second station (121), intended to be executed on said user terminal having a time reference, characterized in that it comprises the steps of: I) measuring (701) of the instant receiving a first synchronization signal (252) transmitted by said first station, II) adjusting (702) said time reference with respect to the reception time of said first synchronization signal, III) transmitting (703) d a second synchronization signal (261) to said first station; and IV) transmitting (704) a third synchronization signal (321) to said second station. 4. A method of synchronizing the transmission of messages in a communication system comprising a user terminal (140), a main communication network to said user terminal (110) comprising a first station (111), and a secondary communication network to said user terminal (120) comprising a second station (121), said earth station, satellite station and user terminal each having a time reference, said method being characterized in that it comprises the steps of: - transmission, by said first station, of a first synchronization signal (251) to said second station and said user terminal, - measurement, by said second station and said user terminal, of instants of reception of said first synchronization signal (252 and 253), - adjustment time references of said second station and said user terminal, from the reception times said first synchronization signal, - sending, by said user terminal, a second synchronization signal (252) to said first station, - transmitting, by said second station, a third synchronization signal (253) to said first station station, - measurement, by said first station, of the instant of reception of said second synchronization signal (262) and of the instant of reception of said third synchronization signal (272), and calculation of a first time interval from of these times of reception, - transmission, by said first station, of said first calculated time interval to said second station, - transmission, by said first station, of a fourth synchronization signal (311) to said second station, - transmission, by said user terminal, a fifth synchronization signal (321) to said second station, - measurement, by said second station, of the reception instant of said fourth station; th synchronization signal (312) and the instant of reception of said fifth synchronization signal (322), and calculation of a second time interval from these reception instants, - calculation, by said second station, of a third time interval from said first time interval and said second time interval, and - when transmitting data by the earth station to the user terminal, shifting the transmission times of a duration equal to the third time interval. . The synchronization method according to claim 4 wherein said fourth and fifth synchronization signals are transmitted in the same time slot, said time slot denoting an emission time with respect to the time reference. 6. Synchronization method according to one of claims 1, 2, 4 and 5, wherein said first time interval represents a difference between the transmission time of the user terminal to the first station io and the transmission time of the second station to the first station. 7. A synchronization method according to one of claims 4 to 6, wherein said second time interval represents a difference between the arrival time of said fourth synchronization signal (312) transmitted by said first station and the instant of arrival of said fifth synchronization signal (322) transmitted by said user terminal. 8. The synchronization method according to one of claims 4 to 7, wherein said third time interval represents a time shift to be applied for the transmissions of the second station, said time interval being obtained by summation between said first time slot and said second time interval. The synchronization method according to one of the preceding claims, wherein said user terminal, said first station, and said second station transmit said synchronization signals on different transmission frequencies. The synchronization method according to one of the preceding claims, wherein said synchronization signals comprise a transmission time. 11. Synchronization method according to one of the preceding claims, wherein the communication networks are adapted to implement a TDMA.12 waveform. A communication system comprising a user terminal (140), a main communication network to said user terminal (110) comprising a first station (111), and a secondary communication network to said user terminal (120) comprising a second station (121) ), characterized in that said first station, said second station, and said user terminal are configured to implement the method of synchronizing the message transmission described in claim 4. 13. The communication system of claim 12 comprising in addition, a multi-link gateway (150) responsible for routing data to said first station and said second station. The communication system of claim 13 wherein said first time slot is transmitted from said first station to said earth station via the multi-link gateway (150). 15. Communication system according to one of claims 12 to 14 20 wherein the main communication network (110) is a satellite network and the secondary communication network (120) is a terrestrial network. 25
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公开号 | 公开日 US9907043B2|2018-02-27| BR102015032271A2|2016-08-09| FR3030953B1|2018-01-12| US20160183213A1|2016-06-23| CA2915859A1|2016-06-23| EP3038275B1|2020-01-22| EP3038275A1|2016-06-29| BR102015032271A8|2021-09-14|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题 WO1998009390A1|1996-08-30|1998-03-05|Telefonaktiebolaget Lm Ericsson |Method and apparatus for synchronizing private radio systems| EP0845874A2|1996-12-02|1998-06-03|TRW Inc.|Geolocation method and apparatus for satellite based telecommunications systems| US20030122705A1|2001-12-31|2003-07-03|Paul Marko|Method and apparatus for determining location in a satellite communication system| EP1819067A1|2006-02-08|2007-08-15|Alcatel Lucent|Method of synchronizing transmissions to users in a hybrid telecommunications network| US20090116543A1|2007-11-02|2009-05-07|Qualcomm Incorporated|Synchronization of satellite and terrestrial broadcast odfm signals| JP5147476B2|2008-03-17|2013-02-20|株式会社日立製作所|Wireless communication system, base station, and data transmission timing control method| EP2412194A1|2009-03-27|2012-02-01|Nokia Siemens Networks OY|Apparatus, method and article of manufacture| KR101697601B1|2012-11-04|2017-01-18|엘지전자 주식회사|Synchronizing signal receiving method and user equipment, and synchronizing signal transmitting method and base station|US9991949B2|2016-04-21|2018-06-05|University Of Louisiana At Lafayette|Experimental smartphone ground station grid system and method| US10368251B1|2016-07-25|2019-07-30|SpaceWorks Enterprises, Inc.|Satellites and satellite-based systems for ground-to-space short-burst data communications| CN108134626A|2018-01-16|2018-06-08|四川安迪科技实业有限公司|A kind of VSAT nets method for synchronizing time| US11121765B2|2018-11-13|2021-09-14|Electronics And Telecommunications Research Institute|Method and apparatus for signal configuration for mobile base station| US10892818B2|2019-05-07|2021-01-12|Contec Co., Ltd.|System, apparatus and method for managing satellite operation service|
法律状态:
2015-11-23| PLFP| Fee payment|Year of fee payment: 2 | 2016-06-24| PLSC| Publication of the preliminary search report|Effective date: 20160624 | 2016-11-28| PLFP| Fee payment|Year of fee payment: 3 | 2017-11-27| PLFP| Fee payment|Year of fee payment: 4 | 2019-11-28| PLFP| Fee payment|Year of fee payment: 6 | 2020-11-25| PLFP| Fee payment|Year of fee payment: 7 |
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申请号 | 申请日 | 专利标题 FR1402969A|FR3030953B1|2014-12-23|2014-12-23|METHOD FOR SYNCHRONIZING SIGNALS IN A SATELLITE AND TERRESTRIAL LINK AND ASSOCIATED ARCHITECTURE| FR1402969|2014-12-23|FR1402969A| FR3030953B1|2014-12-23|2014-12-23|METHOD FOR SYNCHRONIZING SIGNALS IN A SATELLITE AND TERRESTRIAL LINK AND ASSOCIATED ARCHITECTURE| US14/975,184| US9907043B2|2014-12-23|2015-12-18|Method for synchronizing signals in a terrestrial and satellite link and associated architecture| CA2915859A| CA2915859A1|2014-12-23|2015-12-21|Method for synchronizing signals in a terrestrial and satellite link and associated architecture| EP15201682.0A| EP3038275B1|2014-12-23|2015-12-21|Method for synchronising signals in a satellite-terrestrial link and associated architecture| BR102015032271A| BR102015032271A8|2014-12-23|2015-12-22|Method for synchronizing signals over a terrestrial and satellite link and associated architecture| 相关专利
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