KR100697510B1 - 삽입된 파일럿 심볼을 이용하는 무선 통신 신호와 같은 통신 신호에서 진폭 변동 및 간섭을 감소시키는 방법 및 장치 - Google Patents

삽입된 파일럿 심볼을 이용하는 무선 통신 신호와 같은 통신 신호에서 진폭 변동 및 간섭을 감소시키는 방법 및 장치 Download PDF

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KR100697510B1
KR100697510B1 KR1020017002707A KR20017002707A KR100697510B1 KR 100697510 B1 KR100697510 B1 KR 100697510B1 KR 1020017002707 A KR1020017002707 A KR 1020017002707A KR 20017002707 A KR20017002707 A KR 20017002707A KR 100697510 B1 KR100697510 B1 KR 100697510B1
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South Korea
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orthogonal code
code
common chip
orthogonal
chip position
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KR20010074910A (ko
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잭 홀트맨
다이수케 테라사와
레오니드 라조우모브
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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
    • H04B1/76—Pilot transmitters or receivers for control of transmission or for equalising
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • 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
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/7103—Interference-related aspects the interference being multiple access interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0048—Walsh
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/12—Generation of orthogonal codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2615—Reduction thereof using coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70706—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation with means for reducing the peak-to-average power ratio
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L2025/03777—Arrangements for removing intersymbol interference characterised by the signalling

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020017002707A 1998-08-31 1999-08-30 삽입된 파일럿 심볼을 이용하는 무선 통신 신호와 같은 통신 신호에서 진폭 변동 및 간섭을 감소시키는 방법 및 장치 Expired - Fee Related KR100697510B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/144,402 1998-08-31
US09/144,402 US6310869B1 (en) 1998-08-31 1998-08-31 Method and apparatus for reducing amplitude variations and interference in communication signals, such as in wireless communication signals employing inserted pilot symbols

Publications (2)

Publication Number Publication Date
KR20010074910A KR20010074910A (ko) 2001-08-09
KR100697510B1 true KR100697510B1 (ko) 2007-03-20

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KR1020017002707A Expired - Fee Related KR100697510B1 (ko) 1998-08-31 1999-08-30 삽입된 파일럿 심볼을 이용하는 무선 통신 신호와 같은 통신 신호에서 진폭 변동 및 간섭을 감소시키는 방법 및 장치

Country Status (12)

Country Link
US (2) US6310869B1 (enExample)
EP (2) EP1110360B1 (enExample)
JP (1) JP4191388B2 (enExample)
KR (1) KR100697510B1 (enExample)
CN (1) CN1186888C (enExample)
AR (1) AR022371A1 (enExample)
AT (2) ATE400956T1 (enExample)
AU (1) AU5589299A (enExample)
DE (2) DE69939078D1 (enExample)
ES (1) ES2251221T3 (enExample)
HK (1) HK1040014B (enExample)
WO (1) WO2000013337A2 (enExample)

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US7272359B2 (en) * 2004-01-26 2007-09-18 Magnolia Broadband Inc. Communicating signals according to a quality indicator using multiple antenna elements
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Also Published As

Publication number Publication date
EP1110360B1 (en) 2005-11-09
WO2000013337A2 (en) 2000-03-09
DE69928269D1 (de) 2005-12-15
DE69928269T2 (de) 2006-07-13
AR022371A1 (es) 2002-09-04
DE69939078D1 (de) 2008-08-21
US6310869B1 (en) 2001-10-30
CN1186888C (zh) 2005-01-26
HK1040014A1 (en) 2002-05-17
EP1613013B1 (en) 2008-07-09
ATE400956T1 (de) 2008-07-15
ES2251221T3 (es) 2006-04-16
JP2002524911A (ja) 2002-08-06
JP4191388B2 (ja) 2008-12-03
EP1110360A2 (en) 2001-06-27
US20020021683A1 (en) 2002-02-21
CN1325583A (zh) 2001-12-05
AU5589299A (en) 2000-03-21
KR20010074910A (ko) 2001-08-09
HK1040014B (zh) 2005-08-05
EP1613013A1 (en) 2006-01-04
ATE309662T1 (de) 2005-11-15
WO2000013337A3 (en) 2000-06-08

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