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 aInfo
- 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
Links
- 108010003272 Hyaluronate lyase Proteins 0.000 title 1
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)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
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)
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)
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 |
-
1999
- 1999-12-30 IT IT1999MI002746A patent/IT1314345B1/it active
-
2000
- 2000-11-21 AU AU18858/01A patent/AU1885801A/en not_active Abandoned
- 2000-11-21 WO PCT/IT2000/000469 patent/WO2001050658A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2001050658A1 (en) | 2001-07-12 |
AU1885801A (en) | 2001-07-16 |
ITMI992746A0 (it) | 1999-12-30 |
ITMI992746A1 (it) | 2001-06-30 |
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