WO2005098472A3 - 2-d range hopping spread spectrum encoder/decoder system for rf tags - Google Patents

2-d range hopping spread spectrum encoder/decoder system for rf tags Download PDF

Info

Publication number
WO2005098472A3
WO2005098472A3 PCT/US2005/010222 US2005010222W WO2005098472A3 WO 2005098472 A3 WO2005098472 A3 WO 2005098472A3 US 2005010222 W US2005010222 W US 2005010222W WO 2005098472 A3 WO2005098472 A3 WO 2005098472A3
Authority
WO
WIPO (PCT)
Prior art keywords
radar
pulse
spread spectrum
tags
decoder system
Prior art date
Application number
PCT/US2005/010222
Other languages
French (fr)
Other versions
WO2005098472A2 (en
Inventor
David R Iny
Mark D Stenoien
Henry E Lee
Original Assignee
Northrop Grumman Corp
David R Iny
Mark D Stenoien
Henry E Lee
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 Northrop Grumman Corp, David R Iny, Mark D Stenoien, Henry E Lee filed Critical Northrop Grumman Corp
Priority to EP05731999A priority Critical patent/EP1728096A4/en
Priority to JP2007505250A priority patent/JP2007530952A/en
Publication of WO2005098472A2 publication Critical patent/WO2005098472A2/en
Publication of WO2005098472A3 publication Critical patent/WO2005098472A3/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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/765—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted with exchange of information between interrogator and responder
    • 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
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • G01S13/90—Radar or analogous systems specially adapted for specific applications for mapping or imaging using synthetic aperture techniques, e.g. synthetic aperture radar [SAR] techniques

Abstract

An airborne radar interrogates tags on friendly ground vehicles, which when interrogated by a downlink signal from the radar, sends back a very low level uplink message signal that appears noise-like so as to avoid enemy detection and exploitation. This is achieved by retransmitting a time delayed and phase shifted version of the transmitted pulse from the radar. The digital RF tag captures every other pulse from the radar and transmits a digitally coded spread spectrum pulse back to the radar during every other intervening pulse which includes a pseudo random delay (range hop) and a pseudo random phase (direction).
PCT/US2005/010222 2004-03-26 2005-03-25 2-d range hopping spread spectrum encoder/decoder system for rf tags WO2005098472A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05731999A EP1728096A4 (en) 2004-03-26 2005-03-25 2-d range hopping spread spectrum encoder/decoder system for rf tags
JP2007505250A JP2007530952A (en) 2004-03-26 2005-03-25 2-D Range Hopping Spread Spectrum Encoder / Decoder System for RF Tags

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/809,369 US7071866B2 (en) 2004-03-26 2004-03-26 2-d range hopping spread spectrum encoder/decoder system for RF tags
US10/809,369 2004-03-26

Publications (2)

Publication Number Publication Date
WO2005098472A2 WO2005098472A2 (en) 2005-10-20
WO2005098472A3 true WO2005098472A3 (en) 2006-06-22

Family

ID=34989156

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/010222 WO2005098472A2 (en) 2004-03-26 2005-03-25 2-d range hopping spread spectrum encoder/decoder system for rf tags

Country Status (4)

Country Link
US (1) US7071866B2 (en)
EP (1) EP1728096A4 (en)
JP (1) JP2007530952A (en)
WO (1) WO2005098472A2 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7930331B2 (en) * 2005-09-26 2011-04-19 Temarylogic Llc Encipherment of digital sequences by reversible transposition methods
JP2005265461A (en) * 2004-03-16 2005-09-29 Fujitsu Ten Ltd Radar system
WO2007131987A1 (en) * 2006-05-12 2007-11-22 Deutsches Zentrum für Luft- und Raumfahrt e.V. Method for localizing objects by means of an imaging radar system and transponder for localizing objects by means of such radar systems
WO2011102762A1 (en) * 2010-02-17 2011-08-25 Saab Ab Wideband transmitter/receiver arrangement for multifunctional radar and communication
WO2012078600A2 (en) * 2010-12-08 2012-06-14 Access Business Group International Llc System and method for providing communications in a wireless power supply
US10466349B2 (en) * 2015-01-02 2019-11-05 Reservoir Labs, Inc. Systems and methods for efficient targeting
US10871561B2 (en) 2015-03-25 2020-12-22 Urthecast Corp. Apparatus and methods for synthetic aperture radar with digital beamforming
EP3311449B1 (en) 2015-06-16 2019-12-11 King Abdulaziz City for Science and Technology Efficient planar phased array antenna assembly
CN108476410B (en) * 2015-10-22 2022-07-29 瑞典爱立信有限公司 Method and system for radar detection in shared spectrum
CA3044806A1 (en) * 2015-11-25 2017-06-01 Urthecast Corp. Synthetic aperture radar imaging apparatus and methods
US10746868B1 (en) * 2016-09-09 2020-08-18 Triad National Security, Llc Synthetic-aperture radar (SAR) imaging with range-resolved reflection data
CA3064735C (en) * 2017-05-23 2022-06-21 Urthecast Corp. Synthetic aperture radar imaging apparatus and methods
CA3064586A1 (en) 2017-05-23 2018-11-29 King Abdullah City Of Science And Technology Synthetic aperture radar imaging apparatus and methods for moving targets
US11131767B2 (en) * 2017-06-22 2021-09-28 The Boeing Company Synthetic aperture radar mapping and registration systems and methods
US11525910B2 (en) 2017-11-22 2022-12-13 Spacealpha Insights Corp. Synthetic aperture radar apparatus and methods
JP7257885B2 (en) * 2019-06-11 2023-04-14 三菱電機株式会社 Synthetic Aperture Radar System, Synthetic Aperture Radar Method, and Synthetic Aperture Radar Program
CN111679252A (en) * 2020-06-18 2020-09-18 宫健 Method and device for resisting digital radio frequency storage interference, electronic equipment and storage medium
CN111983570B (en) * 2020-07-16 2023-02-03 北京宏锐星通科技有限公司 Interference method for SAR-GMTI mode

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025452A (en) * 1990-03-20 1991-06-18 Andrew Corporation Full-duplex, sub-band spread spectrum communications system
US6329941B1 (en) * 1999-05-27 2001-12-11 Stmicroelectronics, Inc. Digital-to-analog converting device and method

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4291410A (en) * 1979-10-24 1981-09-22 Rockwell International Corporation Multipath diversity spread spectrum receiver
US6211812B1 (en) 1982-12-10 2001-04-03 Alliedsignal Inc. Quiet radar method and apparatus
US6002707A (en) * 1983-04-04 1999-12-14 Honeywell, Inc. Spread signal spectrum communication circuits and system
US5159608A (en) 1991-08-28 1992-10-27 Falconer David D Method and apparatus for using orthogonal coding in a communication system
IL100029A (en) 1991-11-11 1994-02-27 Motorola Inc Method and apparatus for improving detection of data bits in a slow frequency hopping communication system
ZA931077B (en) * 1992-03-05 1994-01-04 Qualcomm Inc Apparatus and method for reducing message collision between mobile stations simultaneously accessing a base station in a cdma cellular communications system
US5486830A (en) * 1994-04-06 1996-01-23 The United States Of America As Represented By The United States Department Of Energy Radar transponder apparatus and signal processing technique
DE19620682C2 (en) * 1995-05-24 2001-06-28 Deutsch Zentr Luft & Raumfahrt Method for locating and identifying objects using a coded transponder
US5999561A (en) * 1997-05-20 1999-12-07 Sanconix, Inc. Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset
US6628699B2 (en) 1997-06-23 2003-09-30 Schlumberger Resource Management Systems, Inc. Receiving a spread spectrum signal
JP2942923B2 (en) * 1997-11-27 1999-08-30 株式会社ジーデイーエス Random pulse type radar device
US6233271B1 (en) 1997-12-31 2001-05-15 Sony Corporation Method and apparatus for decoding trellis coded direct sequence spread spectrum communication signals
GB9807540D0 (en) 1998-04-09 1998-06-10 Orad Hi Tec Systems Ltd Tracking system for sports
US6047035A (en) 1998-06-15 2000-04-04 Dspc Israel Ltd. Method and device for quantizing the input to soft decoders
US6630897B2 (en) 1999-10-28 2003-10-07 Cellonics Incorporated Pte Ltd Method and apparatus for signal detection in ultra wide-band communications
US6329944B1 (en) * 2000-05-12 2001-12-11 Northrop Grumman Corporation Tag communication protocol & system
US6791489B1 (en) * 2001-03-12 2004-09-14 Northrop Grumman Corporation Radio tag for LFM radar
US6622024B2 (en) 2001-09-20 2003-09-16 Interdigital Technology Corporation Outer loop transmit power control using channel-adaptive processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5025452A (en) * 1990-03-20 1991-06-18 Andrew Corporation Full-duplex, sub-band spread spectrum communications system
US6329941B1 (en) * 1999-05-27 2001-12-11 Stmicroelectronics, Inc. Digital-to-analog converting device and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1728096A4 *

Also Published As

Publication number Publication date
WO2005098472A2 (en) 2005-10-20
US20050212692A1 (en) 2005-09-29
JP2007530952A (en) 2007-11-01
EP1728096A2 (en) 2006-12-06
EP1728096A4 (en) 2011-06-15
US7071866B2 (en) 2006-07-04

Similar Documents

Publication Publication Date Title
WO2005098472A3 (en) 2-d range hopping spread spectrum encoder/decoder system for rf tags
US7486221B2 (en) Methods and systems for using pulsed radar for communications transparent to radar function
CN109196373B (en) Power control system for improved near-far performance of radar systems
US9952319B2 (en) Residue cancellation for automated vehicle MIMO radar
WO2017187304A3 (en) Digital frequency modulated continuous wave radar using handcrafted constant envelope modulation
US20150036773A1 (en) Cancellation System for Millimeter-Wave Radar
US6271786B1 (en) Random noise radar target detection device
JP2009522575A5 (en)
WO2019194867A3 (en) Intelligent sensor and intelligent feedback-based dynamic control of a parameter of a field of regard to which the sensor is directed
WO2008048318A3 (en) Time duplex apparatus and method for radar sensor front-ends
US20190094334A1 (en) Interference-tolerant multiple-user radar system
AU2010256578B2 (en) Identification friend or foe (IFF) system
WO2007076167A3 (en) Active imaging using satellite communication system
WO2006129306A3 (en) Passive radar utilizing space-borne digital electromagnetic illuminators
EP1607763A3 (en) Radar apparatus
JPWO2013129459A1 (en) Radar apparatus and radar signal processing method
JP2007240511A (en) Ranging/communication composite system
KR101463142B1 (en) Automotive radar and operating method for the same
JP2008298596A (en) Dme ground apparatus
EP1970728A3 (en) DSSS radar, method implemented by radar and computer-readable storage medium
US20100107915A1 (en) Projectile with telemetry communication and proximity sensing
Galati et al. Waveforms design for modern and MIMO radar
IE20070679A1 (en) Alarm systems
CN103095334A (en) Implementation method for preventing forwarding interference of frequency modulation radio fuze
Galati et al. Orthogonal waveforms for multistatic and multifunction radar

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2007505250

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 2005731999

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Country of ref document: DE

WWP Wipo information: published in national office

Ref document number: 2005731999

Country of ref document: EP