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SG11202110913VA - Past event signal tracking - Google Patents

Past event signal tracking

Info

Publication number
SG11202110913VA
SG11202110913VA SG11202110913VA SG11202110913VA SG11202110913VA SG 11202110913V A SG11202110913V A SG 11202110913VA SG 11202110913V A SG11202110913V A SG 11202110913VA SG 11202110913V A SG11202110913V A SG 11202110913VA SG 11202110913V A SG11202110913V A SG 11202110913VA
Authority
SG
Singapore
Prior art keywords
event signal
signal tracking
past event
past
tracking
Prior art date
Application number
SG11202110913VA
Inventor
David Hancharik
Original Assignee
Viasat Inc
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 Viasat Inc filed Critical Viasat Inc
Publication of SG11202110913VA publication Critical patent/SG11202110913VA/en

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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/38—Systems for determining direction or deviation from predetermined direction using adjustment of real or effective orientation of directivity characteristic of an antenna or an antenna system to give a desired condition of signal derived from that antenna or antenna system, e.g. to give a maximum or minimum signal
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/04—Details
    • G01S3/043—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems
    • H04B7/1851—Systems using a satellite or space-based relay
    • H04B7/18519—Operations control, administration or maintenance

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
SG11202110913VA 2019-04-16 2020-04-15 Past event signal tracking SG11202110913VA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201962834912P 2019-04-16 2019-04-16
PCT/US2020/028272 WO2020214674A1 (en) 2019-04-16 2020-04-15 Past event signal tracking

Publications (1)

Publication Number Publication Date
SG11202110913VA true SG11202110913VA (en) 2021-10-28

Family

ID=70554214

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202110913VA SG11202110913VA (en) 2019-04-16 2020-04-15 Past event signal tracking

Country Status (13)

Country Link
US (2) US12050276B2 (en)
EP (2) EP3957001B1 (en)
JP (1) JP2022529431A (en)
KR (1) KR102724116B1 (en)
CN (1) CN113615106B (en)
AU (1) AU2020257183A1 (en)
BR (1) BR112021018880A2 (en)
CA (1) CA3135109A1 (en)
ES (1) ES2955710T3 (en)
IL (1) IL286557A (en)
MX (1) MX2021011901A (en)
SG (1) SG11202110913VA (en)
WO (1) WO2020214674A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220141675A1 (en) * 2020-11-05 2022-05-05 Qualcomm Incorporated Reference signal transmissions for multi-beam operation
WO2022182869A1 (en) * 2021-02-24 2022-09-01 Bluehalo Llc System and method for a digitally beamformed phased array feed
CN117954867A (en) * 2024-03-22 2024-04-30 西安空间无线电技术研究所 High-orbit SAR beam scanning antenna based on phased array feed source reflecting surface

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2721410B1 (en) 1994-06-16 1996-07-26 Alcatel Espace Method and system for locating transmitting ground equipment using satellites.
US5856804A (en) 1996-10-30 1999-01-05 Motorola, Inc. Method and intelligent digital beam forming system with improved signal quality communications
US6694154B1 (en) 1997-11-17 2004-02-17 Ericsson Inc. Method and apparatus for performing beam searching in a radio communication system
US6823170B1 (en) 2000-07-26 2004-11-23 Ericsson Inc. Satellite communications system using multiple earth stations
JP4594680B2 (en) 2004-09-06 2010-12-08 株式会社東芝 Height measuring radar device and its angle measurement processing method
WO2006073893A2 (en) 2005-01-05 2006-07-13 Atc Technologies, Llc Adaptive beam forming with multi-user detection and interference reduction in satellite communiation systems and methods
US7787819B2 (en) 2006-08-25 2010-08-31 Space Systems / Loral, Inc. Ground-based beamforming for satellite communications systems
US7626889B2 (en) * 2007-04-06 2009-12-01 Microsoft Corporation Sensor array post-filter for tracking spatial distributions of signals and noise
US7786933B2 (en) 2007-05-21 2010-08-31 Spatial Digital Systems, Inc. Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver
US8344945B2 (en) 2007-07-20 2013-01-01 Astrium Limited System for simplification of reconfigurable beam-forming network processing within a phased array antenna for a telecommunications satellite
US8135097B2 (en) * 2007-11-30 2012-03-13 Qualcomm Incorporated Sequential tracking and offline demodulation in receiver
US7969358B2 (en) 2008-11-19 2011-06-28 Harris Corporation Compensation of beamforming errors in a communications system having widely spaced antenna elements
US8144643B2 (en) 2010-05-02 2012-03-27 Viasat, Inc. Flexible capacity satellite communications system with flexible allocation between forward and return capacity
US10511379B2 (en) * 2010-05-02 2019-12-17 Viasat, Inc. Flexible beamforming for satellite communications
US9331774B2 (en) 2010-06-09 2016-05-03 Exactearth Ltd. Systems and methods for segmenting a satellite field of view for detecting radio frequency signals
US9276652B2 (en) * 2010-11-16 2016-03-01 Nippon Telegraph And Telephone Corporation Wireless communication system and wireless communication method
US9024817B2 (en) 2011-12-09 2015-05-05 Honeywell International Inc. Systems and methods for receiving aircraft position reports
US9596024B2 (en) 2012-09-21 2017-03-14 Spatial Digital Systems, Inc. Multi-channel communication optimization methods and systems
US8948747B2 (en) 2013-02-13 2015-02-03 The Boeing Company Overlapping cells for wireless coverage
US20140266872A1 (en) * 2013-03-15 2014-09-18 Hackproof Technologies Inc. Space Needles
US9942082B2 (en) 2015-09-23 2018-04-10 Hughes Network Systems, Llc Modulation and coding for a high altitude platform
CN106793073B (en) 2016-12-12 2020-02-07 邑客得（上海）信息技术有限公司 Distributed real-time positioning system based on radio frequency signals and positioning method thereof
WO2018190794A1 (en) * 2017-04-10 2018-10-18 Viasat, Inc. Coverage area adjustment to adapt satellite communications
CN108832985B (en) 2018-05-02 2020-10-16 中国人民解放军32039部队 Method for mobile IP communication system for relay satellite heaven-earth integrated network
EP3895340A1 (en) * 2018-12-11 2021-10-20 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for beamforming control in a wireless communication network

Also Published As

Publication number Publication date
WO2020214674A1 (en) 2020-10-22
US12050276B2 (en) 2024-07-30
JP2022529431A (en) 2022-06-22
IL286557A (en) 2021-10-31
ES2955710T3 (en) 2023-12-05
AU2020257183A1 (en) 2021-09-09
KR20210153094A (en) 2021-12-16
EP4213412B1 (en) 2024-09-04
CA3135109A1 (en) 2020-10-22
US20220179032A1 (en) 2022-06-09
US20240329180A1 (en) 2024-10-03
KR102724116B1 (en) 2024-10-30
MX2021011901A (en) 2021-11-03
EP4213412A1 (en) 2023-07-19
CN113615106A (en) 2021-11-05
EP3957001A1 (en) 2022-02-23
BR112021018880A2 (en) 2021-11-30
EP3957001B1 (en) 2023-06-07
CN113615106B (en) 2023-10-10

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