BR9301727A - Processo e aparelho de comunicacao por radio em dois sentidos por difusao meteorica entre terminal moveis equipados com transceptor e terminais-base fixados de difusao meteorico - Google Patents

Processo e aparelho de comunicacao por radio em dois sentidos por difusao meteorica entre terminal moveis equipados com transceptor e terminais-base fixados de difusao meteorico

Info

Publication number
BR9301727A
BR9301727A BR9301727A BR9301727A BR9301727A BR 9301727 A BR9301727 A BR 9301727A BR 9301727 A BR9301727 A BR 9301727A BR 9301727 A BR9301727 A BR 9301727A BR 9301727 A BR9301727 A BR 9301727A
Authority
BR
Brazil
Prior art keywords
meteoric
diffusion
transceiver
directions
radio communication
Prior art date
Application number
BR9301727A
Other languages
English (en)
Inventor
Per K Enge
Paul R Johanessen
Julian J Bussgang
Original Assignee
Megapulse 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 Megapulse Inc filed Critical Megapulse Inc
Publication of BR9301727A publication Critical patent/BR9301727A/pt

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
    • 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
    • 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
    • G01S1/08—Systems for determining direction or position line
    • G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
    • G01S1/24—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems the synchronised signals being pulses or equivalent modulations on carrier waves and the transit times being compared by measuring the difference in arrival time of a significant part of the modulations, e.g. LORAN systems
    • 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
    • G01S5/0009—Transmission of position information to remote stations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/22—Scatter propagation systems, e.g. ionospheric, tropospheric or meteor scatter

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Transceivers (AREA)
BR9301727A 1992-05-01 1993-05-03 Processo e aparelho de comunicacao por radio em dois sentidos por difusao meteorica entre terminal moveis equipados com transceptor e terminais-base fixados de difusao meteorico BR9301727A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/877,829 US5278568A (en) 1992-05-01 1992-05-01 Method of and apparatus for two-way radio communication amongst fixed base and mobile terminal users employing meteor scatter signals for communications inbound from the mobile terminals and outbound from the base terminals via Loran communication signals

Publications (1)

Publication Number Publication Date
BR9301727A true BR9301727A (pt) 1993-11-03

Family

ID=25370814

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9301727A BR9301727A (pt) 1992-05-01 1993-05-03 Processo e aparelho de comunicacao por radio em dois sentidos por difusao meteorica entre terminal moveis equipados com transceptor e terminais-base fixados de difusao meteorico

Country Status (6)

Country Link
US (1) US5278568A (pt)
EP (1) EP0568393A2 (pt)
JP (1) JPH06273507A (pt)
CN (1) CN1083288A (pt)
BR (1) BR9301727A (pt)
CA (1) CA2095284A1 (pt)

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US8352400B2 (en) 1991-12-23 2013-01-08 Hoffberg Steven M Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore
US10361802B1 (en) 1999-02-01 2019-07-23 Blanding Hovenweep, Llc Adaptive pattern recognition based control system and method
US7064749B1 (en) * 1992-11-09 2006-06-20 Adc Technology Inc. Portable communicator
US5469169A (en) * 1993-11-30 1995-11-21 University Corporation For Atmospheric Research Receiver for bistatic doppler radar network
US5422816A (en) * 1994-02-22 1995-06-06 Trimble Navigation Limited Portable personal navigation tracking system
US5563611A (en) * 1994-10-28 1996-10-08 Megapulse, Inc. Method of and apparatus for integration of Loran-C and satellite navigation system (SNS) technologies for improved system accuracy, availability and integrity
US5765112A (en) * 1995-06-06 1998-06-09 Flash Comm. Inc. Low cost wide area network for data communication using outbound message specifying inbound message time and frequency
US5734963A (en) * 1995-06-06 1998-03-31 Flash Comm, Inc. Remote initiated messaging apparatus and method in a two way wireless data communications network
AU705213B2 (en) * 1995-06-06 1999-05-20 Terion, Inc. Determining propagating and clear frequency in wireless data communications network
EP0810449A1 (en) * 1996-05-31 1997-12-03 Megapulse Incorporated Navigation system
US7268700B1 (en) 1998-01-27 2007-09-11 Hoffberg Steven M Mobile communication device
US7769620B1 (en) 1998-09-01 2010-08-03 Dennis Fernandez Adaptive direct transaction for networked client group
US6806813B1 (en) * 1998-12-21 2004-10-19 At&T Wireless Services, Inc. Method for location-based asset management
US7904187B2 (en) 1999-02-01 2011-03-08 Hoffberg Steven M Internet appliance system and method
US6899539B1 (en) 2000-02-17 2005-05-31 Exponent, Inc. Infantry wearable information and weapon system
US6483461B1 (en) * 2000-08-24 2002-11-19 Time Domain Corporation Apparatus and method for locating objects in a three-dimensional space
US6714761B1 (en) * 2000-11-21 2004-03-30 Starcom Wireless, Inc. Meteor burst communication system having the capability of simultaneous communication with multiple remote units
US9818136B1 (en) 2003-02-05 2017-11-14 Steven M. Hoffberg System and method for determining contingent relevance
US7897312B2 (en) * 2003-09-18 2011-03-01 Konica Minolta Business Technologies, Inc. Image forming method
CN101969335B (zh) * 2010-09-01 2014-11-05 陈卫东 基于流星余迹进行通信的通信设备、系统及通信控制方法
CN104180810B (zh) * 2014-08-26 2016-08-31 上海微小卫星工程中心 一种卫星测控出入境判定方法及装置
DE102016226102A1 (de) 2015-12-23 2017-06-29 Continental Automotive Gmbh Verfahren und Vorrichtung zur Übertragung von Informationen mittels Scatter
CN108616304B (zh) * 2018-03-29 2021-06-11 中国人民解放军空军工程大学 一种车载多路由组网对流层散射通信系统
US11041932B2 (en) 2019-02-22 2021-06-22 Eagle Technology, Llc Enhanced LORAN (eLORAN) system having corrected additional secondary factor (ASF) data
US11624820B2 (en) 2019-04-15 2023-04-11 Eagle Technology, Llc RF PNT system with embedded messaging and related methods
US11353537B2 (en) 2019-05-01 2022-06-07 Eagle Technology, Llc Loran device with interference cancellation and interference canceller device with related methods
US11600926B2 (en) 2019-05-22 2023-03-07 Eagle Technology, Llc eLORAN receiver and antenna with ferromagnetic body and windings and related methods
CN110545148B (zh) * 2019-09-04 2021-08-31 中国电子科技集团公司第五十四研究所 一种基于gis系统的流星余迹链路规划与预测方法
CN114137574A (zh) * 2021-08-26 2022-03-04 中国人民解放军火箭军工程大学 一种电离层垂直电子密度测量方法
CN114337704B (zh) * 2021-12-07 2023-12-12 中国电子科技集团公司第五十四研究所 流星余迹通信装置及通信方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3870999A (en) * 1973-06-29 1975-03-11 Ato Inc Communications via loran navigation pulses
US4845504A (en) * 1987-04-08 1989-07-04 M/A-Com, Inc. Mobile radio network for nationwide communications
US4800391A (en) * 1987-11-03 1989-01-24 Megapulse, Inc. Method of and apparatus for message communication on Loran-C navigational signal broadcasts and the like with reduced navigation errors
US4985707A (en) * 1989-01-09 1991-01-15 Broadcom, Inc. Retrodirective adaptive loop for meteor communications
US5134715A (en) * 1989-11-17 1992-07-28 Sundstrand Corporation Meteor scatter burst communications systems

Also Published As

Publication number Publication date
JPH06273507A (ja) 1994-09-30
EP0568393A3 (pt) 1994-04-06
US5278568A (en) 1994-01-11
EP0568393A2 (en) 1993-11-03
CN1083288A (zh) 1994-03-02
CA2095284A1 (en) 1993-11-02

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Legal Events

Date Code Title Description
FA7 Application withdrawn (art. 18 par. 1 of law 5772/71) - being contrary to morals, good customs and public security, order and health