HK1040014B - 減少通信信號如採用插入的導頻碼元的無線通信信號中的幅度變化和干擾的方法和裝置 - Google Patents

減少通信信號如採用插入的導頻碼元的無線通信信號中的幅度變化和干擾的方法和裝置

Info

Publication number
HK1040014B
HK1040014B HK02101229.9A HK02101229A HK1040014B HK 1040014 B HK1040014 B HK 1040014B HK 02101229 A HK02101229 A HK 02101229A HK 1040014 B HK1040014 B HK 1040014B
Authority
HK
Hong Kong
Prior art keywords
communication signals
pilot symbol
amplitude variations
inserted pilot
reducing amplitude
Prior art date
Application number
HK02101229.9A
Other languages
English (en)
Other versions
HK1040014A1 (en
Inventor
J‧霍茲曼
D‧特拉薩瓦
L‧拉左莫弗
Original Assignee
夸爾柯姆股份有限公司
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 夸爾柯姆股份有限公司 filed Critical 夸爾柯姆股份有限公司
Publication of HK1040014A1 publication Critical patent/HK1040014A1/xx
Publication of HK1040014B publication Critical patent/HK1040014B/zh

Links

Classifications

    • 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. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—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
HK02101229.9A 1998-08-31 2002-02-20 減少通信信號如採用插入的導頻碼元的無線通信信號中的幅度變化和干擾的方法和裝置 HK1040014B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
PCT/US1999/019734 WO2000013337A2 (en) 1998-08-31 1999-08-30 Method and apparatus for reducing amplitude variations in communication signals employing inserted pilot symbol

Publications (2)

Publication Number Publication Date
HK1040014A1 HK1040014A1 (en) 2002-05-17
HK1040014B true HK1040014B (zh) 2005-08-05

Family

ID=22508421

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02101229.9A HK1040014B (zh) 1998-08-31 2002-02-20 減少通信信號如採用插入的導頻碼元的無線通信信號中的幅度變化和干擾的方法和裝置

Country Status (12)

Country Link
US (2) US6310869B1 (zh)
EP (2) EP1110360B1 (zh)
JP (1) JP4191388B2 (zh)
KR (1) KR100697510B1 (zh)
CN (1) CN1186888C (zh)
AR (1) AR022371A1 (zh)
AT (2) ATE309662T1 (zh)
AU (1) AU5589299A (zh)
DE (2) DE69928269T2 (zh)
ES (1) ES2251221T3 (zh)
HK (1) HK1040014B (zh)
WO (1) WO2000013337A2 (zh)

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Also Published As

Publication number Publication date
AR022371A1 (es) 2002-09-04
EP1110360B1 (en) 2005-11-09
CN1325583A (zh) 2001-12-05
DE69939078D1 (de) 2008-08-21
EP1110360A2 (en) 2001-06-27
WO2000013337A3 (en) 2000-06-08
US20020021683A1 (en) 2002-02-21
CN1186888C (zh) 2005-01-26
EP1613013A1 (en) 2006-01-04
EP1613013B1 (en) 2008-07-09
JP2002524911A (ja) 2002-08-06
KR100697510B1 (ko) 2007-03-20
DE69928269T2 (de) 2006-07-13
KR20010074910A (ko) 2001-08-09
AU5589299A (en) 2000-03-21
US6310869B1 (en) 2001-10-30
JP4191388B2 (ja) 2008-12-03
DE69928269D1 (de) 2005-12-15
ATE309662T1 (de) 2005-11-15
HK1040014A1 (en) 2002-05-17
ATE400956T1 (de) 2008-07-15
WO2000013337A2 (en) 2000-03-09
ES2251221T3 (es) 2006-04-16

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110830