WO1997032413A1 - Multiple access communications system and method using code and time division - Google Patents
Multiple access communications system and method using code and time division Download PDFInfo
- Publication number
- WO1997032413A1 WO1997032413A1 PCT/US1997/002615 US9702615W WO9732413A1 WO 1997032413 A1 WO1997032413 A1 WO 1997032413A1 US 9702615 W US9702615 W US 9702615W WO 9732413 A1 WO9732413 A1 WO 9732413A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- spread spectrum
- signals
- cdma
- codewords
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/10—Code generation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2618—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using hybrid code-time division multiple access [CDMA-TDMA]
-
- 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
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
-
- 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
- H04B2201/7097—Direct sequence modulation interference
- H04B2201/709727—GRAKE type RAKE receivers
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53100297A JP3920345B2 (en) | 1996-02-29 | 1997-02-20 | Multiple access communication system and method using code and time division |
AU19638/97A AU716097B2 (en) | 1996-02-29 | 1997-02-20 | Multiple access communications system and method using code and time division |
EP97907708A EP0883941B1 (en) | 1996-02-29 | 1997-02-20 | Multiple access communications system and method using code and time division |
BR9707891A BR9707891A (en) | 1996-02-29 | 1997-02-20 | Communication and receiver process and apparatus |
CA002246535A CA2246535C (en) | 1996-02-29 | 1997-02-20 | Multiple access communications system and method using code and time division |
DE69732097T DE69732097T2 (en) | 1996-02-29 | 1997-02-20 | MESSAGE TRANSMISSION SYSTEM WITH MULTI-ACCESS AND PROCESSES USING CODE AND TIME DISTRIBUTION |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/608,811 | 1996-02-29 | ||
US08/608,811 US5894473A (en) | 1996-02-29 | 1996-02-29 | Multiple access communications system and method using code and time division |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997032413A1 true WO1997032413A1 (en) | 1997-09-04 |
Family
ID=24438110
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/002615 WO1997032413A1 (en) | 1996-02-29 | 1997-02-20 | Multiple access communications system and method using code and time division |
Country Status (11)
Country | Link |
---|---|
US (1) | US5894473A (en) |
EP (1) | EP0883941B1 (en) |
JP (1) | JP3920345B2 (en) |
KR (1) | KR100429961B1 (en) |
CN (1) | CN1087534C (en) |
AU (1) | AU716097B2 (en) |
BR (1) | BR9707891A (en) |
CA (1) | CA2246535C (en) |
DE (1) | DE69732097T2 (en) |
ID (1) | ID17697A (en) |
WO (1) | WO1997032413A1 (en) |
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Also Published As
Publication number | Publication date |
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AU716097B2 (en) | 2000-02-17 |
CN1217111A (en) | 1999-05-19 |
US5894473A (en) | 1999-04-13 |
KR19990087377A (en) | 1999-12-27 |
CA2246535A1 (en) | 1997-09-04 |
DE69732097T2 (en) | 2005-06-02 |
ID17697A (en) | 1998-01-22 |
JP2000505629A (en) | 2000-05-09 |
BR9707891A (en) | 1999-07-27 |
EP0883941B1 (en) | 2004-12-29 |
JP3920345B2 (en) | 2007-05-30 |
EP0883941A1 (en) | 1998-12-16 |
CA2246535C (en) | 2003-02-11 |
KR100429961B1 (en) | 2004-06-16 |
AU1963897A (en) | 1997-09-16 |
DE69732097D1 (en) | 2005-02-03 |
CN1087534C (en) | 2002-07-10 |
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