HUE062471T2 - Ortogonális korrelációs jelek detektálása és szinkronizálása alacsony SNR mellett - Google Patents

Ortogonális korrelációs jelek detektálása és szinkronizálása alacsony SNR mellett

Info

Publication number
HUE062471T2
HUE062471T2 HUE17157923A HUE17157923A HUE062471T2 HU E062471 T2 HUE062471 T2 HU E062471T2 HU E17157923 A HUE17157923 A HU E17157923A HU E17157923 A HUE17157923 A HU E17157923A HU E062471 T2 HUE062471 T2 HU E062471T2
Authority
HU
Hungary
Prior art keywords
synchronization
detection
low snr
correlation signals
orthogonal correlation
Prior art date
Application number
HUE17157923A
Other languages
English (en)
Inventor
Andreas Knopp
Christian Hofmann
Robert Schwarz
Original Assignee
Neosat Gmbh
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 Neosat Gmbh filed Critical Neosat Gmbh
Publication of HUE062471T2 publication Critical patent/HUE062471T2/hu

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0221—Receivers
    • G01S5/02213—Receivers arranged in a network for determining the position of a transmitter
    • G01S5/02216—Timing or synchronisation of the receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G01S11/08—Systems for determining distance or velocity not using reflection or reradiation using radio waves using synchronised clocks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/042—Transmitters
    • G01S1/0428—Signal details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B2001/6912—Spread spectrum techniques using chirp

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
HUE17157923A 2017-02-24 2017-02-24 Ortogonális korrelációs jelek detektálása és szinkronizálása alacsony SNR mellett HUE062471T2 (hu)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17157923.8A EP3367579B1 (en) 2017-02-24 2017-02-24 Orthogonal correlation signals for detection and synchronization at low snr

Publications (1)

Publication Number Publication Date
HUE062471T2 true HUE062471T2 (hu) 2023-11-28

Family

ID=58162492

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE17157923A HUE062471T2 (hu) 2017-02-24 2017-02-24 Ortogonális korrelációs jelek detektálása és szinkronizálása alacsony SNR mellett

Country Status (4)

Country Link
US (1) US10886965B2 (hu)
EP (1) EP3367579B1 (hu)
HU (1) HUE062471T2 (hu)
WO (1) WO2018153836A1 (hu)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3093257B1 (fr) 2019-02-27 2021-03-12 Ternwaves Méthode et dispositif de modulation par séquences de zadoff-chu
CN113452472B (zh) * 2020-03-26 2024-05-31 瑞昱半导体股份有限公司 无线信号的分组检测方法及其系统
CN112770386B (zh) * 2020-12-31 2021-11-12 哈尔滨市科佳通用机电股份有限公司 一种无线机车信号发码器环线信号同步方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037159A (en) 1974-11-01 1977-07-19 Harris Corporation Chirp communication system
GB9930004D0 (en) 1999-12-17 2000-02-09 Koninkl Philips Electronics Nv Multibit spread spectrum signalling
US6850553B1 (en) 2000-03-17 2005-02-01 Harris Corporation Chirp slope multiple access
US7486749B2 (en) * 2004-12-22 2009-02-03 Nokia Corporation Determination of a code phase
US8477828B2 (en) * 2008-12-02 2013-07-02 Infineon Technologies Ag Adaptive correlation for detection of a high-frequency signal
US8547950B2 (en) * 2009-05-04 2013-10-01 Infineon Technologies Ag Squaring loss inhibition for low signal levels in positioning systems
DK2296128T3 (da) 2009-09-10 2013-11-18 Thales Alenia Space Deutschland Gmbh ADS-B-overvågnings- og radiotjenester for global lufttrafikstyring ved anvendelse af satellitter
US8867588B2 (en) * 2012-08-31 2014-10-21 Cambridge Silicon Radio Limited Chirp data channel synchronisation
EP2811320A1 (en) * 2013-06-05 2014-12-10 Astrium Limited Receiver and method for direct sequence spread spectrum signals
US9270323B2 (en) * 2014-04-04 2016-02-23 Broadcom Corporation Wireless communication synchronization system
EP2996264A1 (en) * 2014-09-12 2016-03-16 Xieon Networks S.à r.l. Data-aided chromatic dispersion estimation
US10200169B2 (en) * 2016-03-11 2019-02-05 Qualcomm Incorporated Narrowband wireless communications cell search
GB2562253B (en) * 2017-05-09 2021-11-03 Imagination Tech Ltd Efficient detection of ranging code correlation function of a GNSS signal

Also Published As

Publication number Publication date
US10886965B2 (en) 2021-01-05
EP3367579B1 (en) 2023-06-07
EP3367579A1 (en) 2018-08-29
WO2018153836A1 (en) 2018-08-30
US20200067564A1 (en) 2020-02-27
EP3367579C0 (en) 2023-06-07

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