IT1314345B1 - Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a - Google Patents

Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a

Info

Publication number
IT1314345B1
IT1314345B1 IT1999MI002746A ITMI992746A IT1314345B1 IT 1314345 B1 IT1314345 B1 IT 1314345B1 IT 1999MI002746 A IT1999MI002746 A IT 1999MI002746A IT MI992746 A ITMI992746 A IT MI992746A IT 1314345 B1 IT1314345 B1 IT 1314345B1
Authority
IT
Italy
Prior art keywords
generation
communication systems
spreading factor
orthogonal codes
variable spreading
Prior art date
Application number
IT1999MI002746A
Other languages
English (en)
Inventor
Fulvio Piccinonno
Original Assignee
Telit Mobile Terminals Spa
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 Telit Mobile Terminals Spa filed Critical Telit Mobile Terminals Spa
Priority to IT1999MI002746A priority Critical patent/IT1314345B1/it
Publication of ITMI992746A0 publication Critical patent/ITMI992746A0/it
Priority to PCT/IT2000/000469 priority patent/WO2001050658A1/en
Priority to AU18858/01A priority patent/AU1885801A/en
Publication of ITMI992746A1 publication Critical patent/ITMI992746A1/it
Application granted granted Critical
Publication of IT1314345B1 publication Critical patent/IT1314345B1/it

Links

Classifications

    • 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
    • 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
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/0007—Code type
    • H04J13/004—Orthogonal
    • H04J13/0044—OVSF [orthogonal variable spreading factor]
    • 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
    • H04B2201/70703—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation using multiple or variable rates

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Error Detection And Correction (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IT1999MI002746A 1999-12-30 1999-12-30 Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a IT1314345B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT1999MI002746A IT1314345B1 (it) 1999-12-30 1999-12-30 Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a
PCT/IT2000/000469 WO2001050658A1 (en) 1999-12-30 2000-11-21 Programmable generator of orthogonal variable spreading factor (ovsf)
AU18858/01A AU1885801A (en) 1999-12-30 2000-11-21 Programmable generator of orthogonal variable spreading factor (ovsf)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT1999MI002746A IT1314345B1 (it) 1999-12-30 1999-12-30 Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a

Publications (3)

Publication Number Publication Date
ITMI992746A0 ITMI992746A0 (it) 1999-12-30
ITMI992746A1 ITMI992746A1 (it) 2001-06-30
IT1314345B1 true IT1314345B1 (it) 2002-12-09

Family

ID=11384224

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1999MI002746A IT1314345B1 (it) 1999-12-30 1999-12-30 Generatore programmibile per la generazione di codici ortogonali afattore di spreading variabile per sistemi di comunicazione a

Country Status (3)

Country Link
AU (1) AU1885801A (it)
IT (1) IT1314345B1 (it)
WO (1) WO2001050658A1 (it)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002232391A (ja) 2001-01-30 2002-08-16 Matsushita Electric Ind Co Ltd 直交符号発生回路
GB2378362A (en) * 2001-08-02 2003-02-05 Ubinetics Ltd Code generation
KR20040009939A (ko) * 2002-07-26 2004-01-31 엘지전자 주식회사 채널 부호 생성 장치
KR100511294B1 (ko) * 2002-10-26 2005-08-31 엘지전자 주식회사 비동기 코드분할 다중접속 통신 시스템의 심벌 매핑 및채널화 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY112371A (en) * 1993-07-20 2001-05-31 Qualcomm Inc System and method for orthogonal spread spectrum sequence generation in variable data rate systems

Also Published As

Publication number Publication date
ITMI992746A1 (it) 2001-06-30
ITMI992746A0 (it) 1999-12-30
WO2001050658A1 (en) 2001-07-12
AU1885801A (en) 2001-07-16

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