AU2001236855A1 - Method and apparatus for resolving multipath components for wireless location finding - Google Patents

Method and apparatus for resolving multipath components for wireless location finding

Info

Publication number
AU2001236855A1
AU2001236855A1 AU2001236855A AU3685501A AU2001236855A1 AU 2001236855 A1 AU2001236855 A1 AU 2001236855A1 AU 2001236855 A AU2001236855 A AU 2001236855A AU 3685501 A AU3685501 A AU 3685501A AU 2001236855 A1 AU2001236855 A1 AU 2001236855A1
Authority
AU
Australia
Prior art keywords
wireless location
multipath components
location finding
resolving multipath
resolving
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU2001236855A
Inventor
Ali H. Sayed
Nabil R. Yousef
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of California
Original Assignee
University of California
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 University of California filed Critical University of California
Publication of AU2001236855A1 publication Critical patent/AU2001236855A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0212—Channel estimation of impulse response
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/005—Control of transmission; Equalising
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1081—Reduction of multipath noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Mobile Radio Communication Systems (AREA)
AU2001236855A 2000-02-11 2001-02-09 Method and apparatus for resolving multipath components for wireless location finding Abandoned AU2001236855A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18179200P 2000-02-11 2000-02-11
US60181792 2000-02-11
PCT/US2001/004287 WO2001059940A1 (en) 2000-02-11 2001-02-09 Method and apparatus for resolving multipath components for wireless location finding

Publications (1)

Publication Number Publication Date
AU2001236855A1 true AU2001236855A1 (en) 2001-08-20

Family

ID=22665819

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001236855A Abandoned AU2001236855A1 (en) 2000-02-11 2001-02-09 Method and apparatus for resolving multipath components for wireless location finding

Country Status (3)

Country Link
US (1) US7068742B2 (en)
AU (1) AU2001236855A1 (en)
WO (1) WO2001059940A1 (en)

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US6772100B2 (en) * 2001-12-17 2004-08-03 Lockheed Martin Corporation Multipath mitigation filter
US7116703B2 (en) * 2002-10-15 2006-10-03 Thomson Licensing Multipath signal strength indicator
US7394873B2 (en) * 2002-12-18 2008-07-01 Intel Corporation Adaptive channel estimation for orthogonal frequency division multiplexing systems or the like
US7272176B2 (en) * 2003-02-18 2007-09-18 Qualcomm Incorporated Communication receiver with an adaptive equalizer
US7257377B2 (en) * 2003-02-18 2007-08-14 Qualcomm, Incorporated Systems and methods for improving channel estimation
FR2859025B1 (en) * 2003-08-22 2006-04-21 Cit Alcatel METHOD FOR VALIDATING THE DETECTION OF A CORRELATION PIC BY A POSITIONING SYSTEM RECEIVER BY SATELLITE
AU2005219032B2 (en) * 2004-03-02 2009-11-26 Giuliani S.P.A. Composition for regulating the trophism of hair follicles and the cutaneous production of sebum and use thereof in androgenetic alopecia
US20050286485A1 (en) * 2004-06-23 2005-12-29 Golden Stuart A Fast and robust timing acquisition algorithm
US7221913B2 (en) * 2004-06-23 2007-05-22 Intel Corporation Effective time-of-arrival estimation algorithm for multipath environment
US7496345B1 (en) * 2004-09-30 2009-02-24 Evercom Systems, Inc. Systems and methods for processing calls directed to telephones having a portable interface
US8028337B1 (en) 2005-08-30 2011-09-27 Sprint Communications Company L.P. Profile-aware filtering of network traffic
US8204974B1 (en) * 2005-08-30 2012-06-19 Sprint Communications Company L.P. Identifying significant behaviors within network traffic
KR100978876B1 (en) * 2005-12-20 2010-08-31 인터디지탈 테크날러지 코포레이션 Method and system for generating a secret key from joint randomness
JP4189410B2 (en) * 2006-06-12 2008-12-03 株式会社東芝 Wireless communication apparatus and transmission control method
US8406280B2 (en) 2008-03-18 2013-03-26 Argon St, Inc. System and method for mitigating severe multipath interference for geolocation and navigation
WO2013098581A1 (en) * 2011-12-27 2013-07-04 Renesas Mobile Corporation Method and device for determining paths in multipath search
US9516621B2 (en) 2012-10-04 2016-12-06 Ramot At Tel-Aviv University Ltd. Method and system for estimating position
US10042037B2 (en) * 2014-02-20 2018-08-07 Nestwave Sas System and method for estimating time of arrival (TOA)
CN104537257B (en) * 2015-01-12 2017-09-26 电子科技大学 A kind of direct localization method of distributed self-adaption based on the time difference
CN105807257B (en) * 2016-03-17 2018-05-18 电子科技大学 A kind of direct localization method of the distributed self-adaption with noise constraints
US10725183B2 (en) 2018-02-22 2020-07-28 Samsung Electronics Co., Ltd GNSS multipath mitigation via pattern recognition
US11522576B2 (en) * 2018-08-07 2022-12-06 Nestwave Sas Indoor and outdoor geolocation and time of arrival estimation using wireless signals

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US4106023A (en) * 1975-02-24 1978-08-08 Baghdady Elie J Navigation aid system
US4595925A (en) * 1983-03-28 1986-06-17 The United States Of America As Represented By The Secretary Of The Navy Altitude determining radar using multipath discrimination
GB8909195D0 (en) * 1989-04-22 1989-09-13 Cambridge Consultants Scoring system
US5528232A (en) * 1990-06-15 1996-06-18 Savi Technology, Inc. Method and apparatus for locating items
US5640423A (en) * 1993-12-16 1997-06-17 Signal Science, Inc. Method for signal transmission using spectrally efficient orthogonal modulation
EP0696398A1 (en) * 1994-02-25 1996-02-14 Koninklijke Philips Electronics N.V. A multiple access digital transmission system and a radio base station and a receiver for use in such a system
US5844951A (en) * 1994-06-10 1998-12-01 Northeastern University Method and apparatus for simultaneous beamforming and equalization
JP2697648B2 (en) * 1994-12-26 1998-01-14 日本電気株式会社 Decision feedback equalizer
US5648983A (en) * 1995-04-24 1997-07-15 Lucent Technologies Inc. CDMA rake receiver with sub-chip resolution
KR0154706B1 (en) * 1995-06-23 1998-11-16 김광호 Multipath delay time detector in reverse channel of cdma system
US5841288A (en) * 1996-02-12 1998-11-24 Microwave Imaging System Technologies, Inc. Two-dimensional microwave imaging apparatus and methods
US5894473A (en) * 1996-02-29 1999-04-13 Ericsson Inc. Multiple access communications system and method using code and time division
US5970414A (en) * 1997-05-30 1999-10-19 Lucent Technologies, Inc. Method for estimating a mobile-telephone's location
FI106897B (en) * 1998-09-14 2001-04-30 Nokia Networks Oy RAKE receiver
US6671338B1 (en) * 1998-11-12 2003-12-30 Hughes Electronics Corporation Combined interference cancellation with FEC decoding for high spectral efficiency satellite communications
US6587501B2 (en) * 2001-07-30 2003-07-01 Motorola, Inc. Method and apparatus for joint detection of a coded signal in a CDMA system

Also Published As

Publication number Publication date
US20030081659A1 (en) 2003-05-01
WO2001059940A1 (en) 2001-08-16
US7068742B2 (en) 2006-06-27

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