SE520451C2 - Mottagare och sätt att generea spridningskoder i ett kommunikationssystem med spritt spektrum - Google Patents

Mottagare och sätt att generea spridningskoder i ett kommunikationssystem med spritt spektrum

Info

Publication number
SE520451C2
SE520451C2 SE0002167A SE0002167A SE520451C2 SE 520451 C2 SE520451 C2 SE 520451C2 SE 0002167 A SE0002167 A SE 0002167A SE 0002167 A SE0002167 A SE 0002167A SE 520451 C2 SE520451 C2 SE 520451C2
Authority
SE
Sweden
Prior art keywords
spreading code
spread spectrum
memory
read
spectrum receiver
Prior art date
Application number
SE0002167A
Other languages
English (en)
Swedish (sv)
Other versions
SE0002167L (sv
SE0002167D0 (sv
Inventor
Takahiro Yasaki
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Publication of SE0002167D0 publication Critical patent/SE0002167D0/xx
Publication of SE0002167L publication Critical patent/SE0002167L/xx
Publication of SE520451C2 publication Critical patent/SE520451C2/sv

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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7085—Synchronisation aspects using a code tracking loop, e.g. a delay-locked loop
    • 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
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H04J13/102—Combining codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
SE0002167A 1999-06-09 2000-06-09 Mottagare och sätt att generea spridningskoder i ett kommunikationssystem med spritt spektrum SE520451C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16176899A JP2000349681A (ja) 1999-06-09 1999-06-09 スペクトラム拡散通信用受信機

Publications (3)

Publication Number Publication Date
SE0002167D0 SE0002167D0 (sv) 2000-06-09
SE0002167L SE0002167L (sv) 2000-12-10
SE520451C2 true SE520451C2 (sv) 2003-07-08

Family

ID=15741541

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0002167A SE520451C2 (sv) 1999-06-09 2000-06-09 Mottagare och sätt att generea spridningskoder i ett kommunikationssystem med spritt spektrum

Country Status (3)

Country Link
JP (1) JP2000349681A (ja)
KR (1) KR100380770B1 (ja)
SE (1) SE520451C2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3583349B2 (ja) * 2000-05-19 2004-11-04 三菱電機株式会社 受信機および逆拡散符号生成方法
KR20020031667A (ko) * 2000-10-23 2002-05-03 류하영 순차 다중경로 신호합침을 이용한 무선 이동통신 시스템의다중경로 수신기 및 다중경로 수신방법
KR100488078B1 (ko) * 2000-12-21 2005-05-09 엘지전자 주식회사 이동 통신 시스템 수신단의 파일럿 신호 검색기 및 방법
US6937643B2 (en) * 2002-04-30 2005-08-30 Qualcomm Inc ROM-based PN generation for wireless communication
JP2008527912A (ja) * 2005-01-14 2008-07-24 トムソン ライセンシング Ｃｄｍａ用のｒａｍベーススクランブル符号生成装置
US8059776B2 (en) 2005-01-14 2011-11-15 Thomson Licensing Method and system for sub-chip resolution for secondary cell search
JP4229169B2 (ja) 2006-10-26 2009-02-25 セイコーエプソン株式会社 測位装置、電子機器及びプログラム

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5912644A (ja) * 1982-07-12 1984-01-23 Omron Tateisi Electronics Co スペクトラム拡散通信装置の同期方式
JPS648717A (en) * 1987-07-01 1989-01-12 Nec Corp Pseudo noise series code generating circuit
JP3106668B2 (ja) * 1992-03-25 2000-11-06 横河電機株式会社 ディジタル変調用疑似雑音発生器
JPH0955715A (ja) * 1995-08-11 1997-02-25 Toshiba Corp スペクトル拡散無線通信装置
JPH09130299A (ja) * 1995-10-31 1997-05-16 Fujitsu Ltd スペクトラム拡散信号受信装置

Also Published As

Publication number Publication date
KR100380770B1 (ko) 2003-04-18
JP2000349681A (ja) 2000-12-15
SE0002167L (sv) 2000-12-10
SE0002167D0 (sv) 2000-06-09
KR20010007309A (ko) 2001-01-26

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