KR100693683B1 - 도플러 시프트된 신호의 주파수 불확실성 범위를 좁히기 위한 시스템 및 방법 - Google Patents

도플러 시프트된 신호의 주파수 불확실성 범위를 좁히기 위한 시스템 및 방법 Download PDF

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KR100693683B1
KR100693683B1 KR1020007014285A KR20007014285A KR100693683B1 KR 100693683 B1 KR100693683 B1 KR 100693683B1 KR 1020007014285 A KR1020007014285 A KR 1020007014285A KR 20007014285 A KR20007014285 A KR 20007014285A KR 100693683 B1 KR100693683 B1 KR 100693683B1
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South Korea
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frequency
pilot signal
eav
samples
hypothesis
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KR20010072616A (ko
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아브니쉬 아그라왈
브라이언 케이. 버틀러
숴만 에이. 그레고리
브라이언 함스
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콸콤 인코포레이티드
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    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • 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
    • H04B7/204—Multiple access
    • H04B7/216—Code division or spread-spectrum multiple access [CDMA, SSMA]
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
    • G01S19/29—Acquisition or tracking or demodulation of signals transmitted by the system carrier including Doppler, related
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/0034—Correction of carrier offset using hypothesis testing

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Relay Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
KR1020007014285A 1998-06-15 1999-06-14 도플러 시프트된 신호의 주파수 불확실성 범위를 좁히기 위한 시스템 및 방법 Expired - Lifetime KR100693683B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/097,842 US6249539B1 (en) 1998-06-15 1998-06-15 System and method for narrowing the range of frequency uncertainty of a doppler shifted signal
US09/097,842 1998-06-15

Publications (2)

Publication Number Publication Date
KR20010072616A KR20010072616A (ko) 2001-07-31
KR100693683B1 true KR100693683B1 (ko) 2007-03-09

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KR1020007014285A Expired - Lifetime KR100693683B1 (ko) 1998-06-15 1999-06-14 도플러 시프트된 신호의 주파수 불확실성 범위를 좁히기 위한 시스템 및 방법

Country Status (11)

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US (2) US6249539B1 (enExample)
EP (1) EP1088400B1 (enExample)
JP (1) JP4194759B2 (enExample)
KR (1) KR100693683B1 (enExample)
CN (1) CN1158785C (enExample)
AT (1) ATE344552T1 (enExample)
AU (1) AU760427B2 (enExample)
CA (1) CA2335136A1 (enExample)
DE (1) DE69933869T2 (enExample)
HK (1) HK1038840B (enExample)
WO (1) WO1999066649A1 (enExample)

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KR20220056732A (ko) 2020-10-28 2022-05-06 재단법인대구경북과학기술원 도플러 효과에 기반한 전력 감쇄 분석 시스템 및 그 방법

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KR20220056732A (ko) 2020-10-28 2022-05-06 재단법인대구경북과학기술원 도플러 효과에 기반한 전력 감쇄 분석 시스템 및 그 방법

Also Published As

Publication number Publication date
HK1038840A1 (en) 2002-03-28
CN1158785C (zh) 2004-07-21
JP2002518930A (ja) 2002-06-25
KR20010072616A (ko) 2001-07-31
JP4194759B2 (ja) 2008-12-10
ATE344552T1 (de) 2006-11-15
DE69933869T2 (de) 2007-06-21
US6831940B2 (en) 2004-12-14
US6249539B1 (en) 2001-06-19
DE69933869D1 (de) 2006-12-14
CN1312979A (zh) 2001-09-12
HK1038840B (zh) 2005-04-01
EP1088400A1 (en) 2001-04-04
US20010043641A1 (en) 2001-11-22
AU5204399A (en) 2000-01-05
AU760427B2 (en) 2003-05-15
EP1088400B1 (en) 2006-11-02
CA2335136A1 (en) 1999-12-23
WO1999066649A1 (en) 1999-12-23

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