WO2007054724A3 - Location information system - Google Patents

Location information system Download PDF

Info

Publication number
WO2007054724A3
WO2007054724A3 PCT/GB2006/004223 GB2006004223W WO2007054724A3 WO 2007054724 A3 WO2007054724 A3 WO 2007054724A3 GB 2006004223 W GB2006004223 W GB 2006004223W WO 2007054724 A3 WO2007054724 A3 WO 2007054724A3
Authority
WO
WIPO (PCT)
Prior art keywords
frequency
radio
estimated value
location information
information system
Prior art date
Application number
PCT/GB2006/004223
Other languages
French (fr)
Other versions
WO2007054724A2 (en
Inventor
Kevin Lamacraft
Robert Gerwyn Lloyd
Paul Victor Brennan
Stuart Robson
Georges Francois Gyory
Original Assignee
Innovision Res & Tech Plc
Univ London
Kevin Lamacraft
Robert Gerwyn Lloyd
Paul Victor Brennan
Stuart Robson
Georges Francois Gyory
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 Innovision Res & Tech Plc, Univ London, Kevin Lamacraft, Robert Gerwyn Lloyd, Paul Victor Brennan, Stuart Robson, Georges Francois Gyory filed Critical Innovision Res & Tech Plc
Publication of WO2007054724A2 publication Critical patent/WO2007054724A2/en
Publication of WO2007054724A3 publication Critical patent/WO2007054724A3/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
    • 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
    • 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
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders
    • 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
    • G01S3/28—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics
    • G01S3/30—Systems for determining direction or deviation from predetermined direction using amplitude comparison of signals derived simultaneously from receiving antennas or antenna systems having differently-oriented directivity characteristics derived directly from separate directional systems

Abstract

There is described a receiver, comprising: a radio -frequency receiver including frequency converter circuitry, and a frequency estimator configured to analyse a radio -frequency signal received by said radio frequency receiver to provide an estimated value for the carrier frequency of said received signal, and provide said estimated value to said frequency converter circuitry. The frequency converter circuitry is operative in dependence on said estimated value to convert said received signal to a predetermined frequency.
PCT/GB2006/004223 2005-11-11 2006-11-13 Location information system WO2007054724A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0523025.5A GB0523025D0 (en) 2005-11-11 2005-11-11 Location information system
GB0523025.5 2005-11-11

Publications (2)

Publication Number Publication Date
WO2007054724A2 WO2007054724A2 (en) 2007-05-18
WO2007054724A3 true WO2007054724A3 (en) 2007-08-09

Family

ID=35516767

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2006/004223 WO2007054724A2 (en) 2005-11-11 2006-11-13 Location information system

Country Status (2)

Country Link
GB (1) GB0523025D0 (en)
WO (1) WO2007054724A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2458358C1 (en) * 2011-01-12 2012-08-10 Российская Федерация, от имени которой выступает Министерство обороны Российской Федерации Goniometric-correlation method of determining location of surface radio sources
RU2617210C1 (en) * 2016-03-29 2017-04-24 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации Method of determining range to fixed radiation source by moving direction finder
RU2610150C1 (en) * 2016-03-29 2017-02-08 Федеральное государственное казенное военное образовательное учреждение высшего образования "Военный учебно-научный центр Военно-воздушных сил "Военно-воздушная академия имени профессора Н.Е. Жуковского и Ю.А. Гагарина" (г. Воронеж) Министерства обороны Российской Федерации Method of determining ground radio-frequency source coordinates when performing on-board radio-direction finding
RU2671825C1 (en) * 2017-11-20 2018-11-07 Общество с ограниченной ответственностью "Научно-производственное объединение "Центр обработки данных информационных технологий" One-position correlation multiplicative difference-relative method for determining coordinates of radio frequency emissions sources
RU2714502C1 (en) * 2019-04-09 2020-02-18 федеральное государственное казенное военное образовательное учреждение высшего образования "Военная академия связи имени Маршала Советского Союза С.М. Буденного" Министерства обороны Российской Федерации Method of determining coordinates of a radio-frequency source from an aircraft board using a tri-orthogonal antenna system

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695790A (en) * 1986-01-02 1987-09-22 General Dynamics Electronics Division RF frequency spectrum analyzer subsystem
US5003317A (en) * 1989-07-11 1991-03-26 Mets, Inc. Stolen vehicle recovery system
CA2200670A1 (en) * 1997-03-21 1998-09-21 David F. Sorrells Tracking system and method for controlling the field of view of a camera
US6002721A (en) * 1998-07-20 1999-12-14 Stanford Telecommunications, Inc. Carrier frequency estimator for a signal receiver
WO1999065251A2 (en) * 1998-06-09 1999-12-16 Kwang Hwan Lee Apparatus and method for detecting calling location of radio signal using short pulse
US20030002597A1 (en) * 2001-06-29 2003-01-02 Talwalkar Sumit A. Time acquisition system using a single synchronization word and method of using same
US20030021365A1 (en) * 2001-06-08 2003-01-30 Min Jonathan S. Robust burst detection and acquisition system and method
GB2383708A (en) * 2001-12-31 2003-07-02 Systems Engineering & Assessme Position determination
US20030231728A1 (en) * 2002-06-17 2003-12-18 Oki Techno Centre (Singapore) Pte Ltd. Frequency estimation in a burst radio receiver
US20040218699A1 (en) * 2003-04-30 2004-11-04 Motorola, Inc. Method and wireless device employing a preamble to initiate communications

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4695790A (en) * 1986-01-02 1987-09-22 General Dynamics Electronics Division RF frequency spectrum analyzer subsystem
US5003317A (en) * 1989-07-11 1991-03-26 Mets, Inc. Stolen vehicle recovery system
CA2200670A1 (en) * 1997-03-21 1998-09-21 David F. Sorrells Tracking system and method for controlling the field of view of a camera
WO1999065251A2 (en) * 1998-06-09 1999-12-16 Kwang Hwan Lee Apparatus and method for detecting calling location of radio signal using short pulse
US6002721A (en) * 1998-07-20 1999-12-14 Stanford Telecommunications, Inc. Carrier frequency estimator for a signal receiver
US20030021365A1 (en) * 2001-06-08 2003-01-30 Min Jonathan S. Robust burst detection and acquisition system and method
US20030002597A1 (en) * 2001-06-29 2003-01-02 Talwalkar Sumit A. Time acquisition system using a single synchronization word and method of using same
GB2383708A (en) * 2001-12-31 2003-07-02 Systems Engineering & Assessme Position determination
US20030231728A1 (en) * 2002-06-17 2003-12-18 Oki Techno Centre (Singapore) Pte Ltd. Frequency estimation in a burst radio receiver
US20040218699A1 (en) * 2003-04-30 2004-11-04 Motorola, Inc. Method and wireless device employing a preamble to initiate communications

Also Published As

Publication number Publication date
WO2007054724A2 (en) 2007-05-18
GB0523025D0 (en) 2005-12-21

Similar Documents

Publication Publication Date Title
TW200704253A (en) Changing a radio access configuration between a terminal and a network
WO2008114205A3 (en) Fast powering-up of data communication system
TW200707967A (en) Communications system and method capable of generating RF signals according to the status of an electric appliance
TW200746778A (en) Cellular phone with integrated FM radio and remote low noise amplifier
WO2008008669A3 (en) A remote tracking system with a dedicated monitoring center
WO2005025074A3 (en) Polarization state techniques for wireless communication
WO2006020169A3 (en) Non-simultaneous frequency diversity in radio communication systems
EP1855493A3 (en) Method and system employing wideband signals for RF wakeup
WO2012067884A3 (en) Techniques for wakeup signaling for a very low power wlan device
WO2003029053A1 (en) Agent apparatus
SG132590A1 (en) Radar detection and dynamic frequency selection
WO2007018840A3 (en) Ramped interrogation power levels
WO2010093965A3 (en) Antenna sharing for wirelessly powered devices
WO2010065408A3 (en) System and method for configuring a wireless control system of a vehicle using induction field communication
WO2009110730A3 (en) Method of transmitting interference information signal in wireless communication system
WO2007052888A3 (en) Method of transmitting and receiving wireless resource information
WO2005057720A3 (en) System and method for providing a smart antenna
WO2004114683A3 (en) Multi-mode radio with interference cancellation circuit
WO2008045448A3 (en) Sensing rf environment to synchronize network elements
WO2010016729A3 (en) Method and apparatus for transmitting signal in wireless communication system
WO2008150908A3 (en) Method and apparatus for implementing seek and scan functions for an fm digital radio signal
TW200605583A (en) Systems and methods for frequency acquisition in a wireless communication network
WO2010019449A3 (en) System and method for an intelligent radio frequency receiver
WO2009088345A3 (en) A method of transmitting data block information in a cellular radio system
WO2006060245A3 (en) System and method for cohesive radio operation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06808515

Country of ref document: EP

Kind code of ref document: A2