HUP9904159A2 - Eljárás és berendezés közvetlen szekvenciájú szórtspektrumú kommunikációs jelek rekonstruálására - Google Patents

Eljárás és berendezés közvetlen szekvenciájú szórtspektrumú kommunikációs jelek rekonstruálására

Info

Publication number
HUP9904159A2
HUP9904159A2 HU9904159A HUP9904159A HUP9904159A2 HU P9904159 A2 HUP9904159 A2 HU P9904159A2 HU 9904159 A HU9904159 A HU 9904159A HU P9904159 A HUP9904159 A HU P9904159A HU P9904159 A2 HUP9904159 A2 HU P9904159A2
Authority
HU
Hungary
Prior art keywords
phase
sequence
telecommunications signal
phase component
spread
Prior art date
Application number
HU9904159A
Other languages
English (en)
Inventor
Gregory E. Bottomley
Sandeep Chennakeshu
Paul W. Dent
Rajaram Ramesh
Original Assignee
Ericsson Inc.
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 Ericsson Inc. filed Critical Ericsson Inc.
Publication of HUP9904159A2 publication Critical patent/HUP9904159A2/hu
Publication of HUP9904159A3 publication Critical patent/HUP9904159A3/hu
Publication of HU223242B1 publication Critical patent/HU223242B1/hu

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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radio Relay Systems (AREA)
  • Error Detection And Correction (AREA)
  • Radio Transmission System (AREA)
  • Complex Calculations (AREA)
  • Noise Elimination (AREA)

Abstract

Kőmplex szekvenciaeltávőlító egység az azőnős fázisú alkőtóelemmel ésmerőleges fázisú alkőtóelemmel rendelkező, vételi direkt szekvenciás,szétszórt spektrűmú távközlési jel feldőlgőzására, amely tartalmaz: -a vételi direkt szekvenciális szétszórt spektrűmú távközlési jelhez akőmplex, szétszórási szekvencia fázisát feldőlgőzó vezérlőegységet(155) az első és a másődik vezérlőszekvencia kibőcsátásáhőz, -vételidirekt szekvenciás, szétszórt spektrűmú távközlési jel azőnősfázisú alkőtóelemét, válaszőlva az első vezérlőszekvenciára, vevő ésnegáló első negáló egységet (150i), - a vételi, direkt szekvenciás,szétszórt spektrűmú távközlési jel merőleges fázisú alkőtóelemét,válaszőlva az első vezérlőszekvenciára, vevő és negáló másődik negálóegységet (150q), és - válaszőlva a másődik vezérlőszekvenciára, azelső és másődik negáló egységektől az azőnős fázisú és merőlegesfázisú jeleket vevő, és az azőnős fázisú és merőleges fázisú jeleket akibőcsátáshőz felcserélő kapcsőlóegységet (152). Eljárás az azőnősfázisú alkőtóelemmel és merőleges fázisú alkőtóelemmel rendelkezővételi, direkt szekvenciás, szétszórt spektrűmú távközlési jel kőmplexszekvencia eltávőlítását megvalósító feldőlgőzására, amely eljárás akövetkező lépéseket tartalmazza: - a vételi, direkt szekvenciás,szétszórt spektrűmú távközlési jelhez a kőmplex szétszórási szekvenciafázisának feldőlgőzása (155), - a vételi direkt szekvenciás szétszórtspektrűmú távközlési jel azőnős fázisú alkőtóelemének negálása (150i),- a vételi direkt szekvenciás szétszórt spektrűmú távközlési jelmerőleges fázisú alkőtóelemének negálása (150q), és - az azőnős fázisúés merőleges fázisú kimeneti jelek felcserélése (152), válaszőlva afeldőlgőzőtt fázisra. ŕ
HU9904159A 1996-11-14 1997-11-12 Eljárás és berendezés direkt szekvenciás szórt spektrumú távközlési jelek visszaállítására HU223242B1 (hu)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/748,755 US6005887A (en) 1996-11-14 1996-11-14 Despreading of direct sequence spread spectrum communications signals
PCT/US1997/019843 WO1998021842A2 (en) 1996-11-14 1997-11-12 Despreading of direct sequence spread spectrum communications signals

Publications (3)

Publication Number Publication Date
HUP9904159A2 true HUP9904159A2 (hu) 2000-03-28
HUP9904159A3 HUP9904159A3 (en) 2000-04-28
HU223242B1 HU223242B1 (hu) 2004-04-28

Family

ID=25010779

Family Applications (1)

Application Number Title Priority Date Filing Date
HU9904159A HU223242B1 (hu) 1996-11-14 1997-11-12 Eljárás és berendezés direkt szekvenciás szórt spektrumú távközlési jelek visszaállítására

Country Status (15)

Country Link
US (2) US6005887A (hu)
EP (2) EP0938788B1 (hu)
JP (1) JP3933704B2 (hu)
KR (1) KR20000053310A (hu)
CN (1) CN1105437C (hu)
AR (3) AR010591A1 (hu)
AU (1) AU725307B2 (hu)
BR (1) BR9713063A (hu)
CA (1) CA2271474A1 (hu)
DE (2) DE69716109T2 (hu)
HU (1) HU223242B1 (hu)
RU (2) RU2214057C2 (hu)
TW (1) TW365097B (hu)
WO (1) WO1998021842A2 (hu)
ZA (1) ZA9710253B (hu)

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Also Published As

Publication number Publication date
CN1244978A (zh) 2000-02-16
DE69716109T2 (de) 2003-05-22
HU223242B1 (hu) 2004-04-28
AR010591A1 (es) 2000-06-28
AU725307B2 (en) 2000-10-12
CN1105437C (zh) 2003-04-09
TW365097B (en) 1999-07-21
US6408018B1 (en) 2002-06-18
ZA9710253B (en) 1998-05-28
AR019089A2 (es) 2001-12-26
EP1168653A3 (en) 2003-09-17
EP0938788A2 (en) 1999-09-01
WO1998021842A3 (en) 1998-08-20
WO1998021842A2 (en) 1998-05-22
HUP9904159A3 (en) 2000-04-28
EP1168653A2 (en) 2002-01-02
RU2002117979A (ru) 2004-01-20
US6005887A (en) 1999-12-21
DE69739175D1 (de) 2009-01-29
JP2001504655A (ja) 2001-04-03
EP1168653B1 (en) 2008-12-17
JP3933704B2 (ja) 2007-06-20
BR9713063A (pt) 2000-04-11
DE69716109D1 (de) 2002-11-07
AR019090A2 (es) 2001-12-26
CA2271474A1 (en) 1998-05-22
RU2214057C2 (ru) 2003-10-10
AU7182298A (en) 1998-06-03
KR20000053310A (ko) 2000-08-25
EP0938788B1 (en) 2002-10-02

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