CA2001349A1 - Methode de communication a spectre etale utilisant la modulation csk - Google Patents
Methode de communication a spectre etale utilisant la modulation cskInfo
- Publication number
- CA2001349A1 CA2001349A1 CA2001349A CA2001349A CA2001349A1 CA 2001349 A1 CA2001349 A1 CA 2001349A1 CA 2001349 A CA2001349 A CA 2001349A CA 2001349 A CA2001349 A CA 2001349A CA 2001349 A1 CA2001349 A1 CA 2001349A1
- Authority
- CA
- Canada
- Prior art keywords
- series
- manchester
- signal
- spectrum spread
- receiving
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
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
- H04B1/709—Correlator structure
-
- 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
- H04B1/7093—Matched filter type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/0022—PN, e.g. Kronecker
-
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L23/00—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00
- H04L23/02—Apparatus or local circuits for systems other than those covered by groups H04L15/00 - H04L21/00 adapted for orthogonal signalling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Dc Digital Transmission (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (24)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP266064/88 | 1988-10-24 | ||
JP63266064A JP2596988B2 (ja) | 1988-10-24 | 1988-10-24 | スペクトラム拡散通信方式および装置 |
JP66360/89 | 1989-03-20 | ||
JP1066359A JP2797193B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP1066353A JP2571123B2 (ja) | 1989-03-20 | 1989-03-20 | マンチェスタm系列符号変調装置 |
JP66355/89 | 1989-03-20 | ||
JP1066357A JP2797192B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP1066354A JPH02246542A (ja) | 1989-03-20 | 1989-03-20 | ディジタル相関器 |
JP66354/89 | 1989-03-20 | ||
JP1066358A JPH02246546A (ja) | 1989-03-20 | 1989-03-20 | 相関信号のピーク位置判定装置 |
JP1066351A JP2785951B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP66351/89 | 1989-03-20 | ||
JP66358/89 | 1989-03-20 | ||
JP66356/89 | 1989-03-20 | ||
JP1066355A JP2765682B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP1066352A JP2571122B2 (ja) | 1989-03-20 | 1989-03-20 | マンチェスタm系列符号変調装置 |
JP6636189 | 1989-03-20 | ||
JP66361/89 | 1989-03-20 | ||
JP1066360A JP2778017B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP66353/89 | 1989-03-20 | ||
JP66359/89 | 1989-03-20 | ||
JP1066356A JP2758920B2 (ja) | 1989-03-20 | 1989-03-20 | Csk通信装置 |
JP66352/89 | 1989-03-20 | ||
JP66357/89 | 1989-03-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2001349A1 true CA2001349A1 (fr) | 1990-04-24 |
CA2001349C CA2001349C (fr) | 2000-06-27 |
Family
ID=27583350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002001349A Expired - Fee Related CA2001349C (fr) | 1988-10-24 | 1989-10-24 | Methode de communication a spectre etale utilisant la modulation csk |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP0366086B1 (fr) |
AU (1) | AU617885B2 (fr) |
CA (1) | CA2001349C (fr) |
DE (2) | DE68929048T2 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0439807B1 (fr) * | 1989-12-22 | 2000-05-24 | Nec Home Electronics, Ltd. | Système de communication à modulation par décalage de code |
US5354975A (en) * | 1992-07-01 | 1994-10-11 | Tokimec Inc. | Contactless data processing apparatus |
FR2749115B1 (fr) * | 1994-05-18 | 1998-11-13 | Snecma | Procede et systeme de transmission d'informations numeriques a etalement de spectre par sequence directe |
EP1376890B1 (fr) * | 1994-09-09 | 2009-08-05 | XIRCOM Wireless, Inc. | Communication à spectre étalé sans fil avec intervalle de sondage préambule |
JP2921446B2 (ja) * | 1995-08-30 | 1999-07-19 | 日本電気株式会社 | スペクトラム拡散通信用csk通信装置及び通信方法 |
US6678311B2 (en) | 1996-05-28 | 2004-01-13 | Qualcomm Incorporated | High data CDMA wireless communication system using variable sized channel codes |
US5946344A (en) * | 1997-04-07 | 1999-08-31 | Intermec Ip Corp. | Multiple-rate direct sequence architecture utilizing a fixed chipping rate and variable spreading code lengths |
US6671311B1 (en) | 1997-06-20 | 2003-12-30 | Itran Communications Ltd. | Receiver for use in a code shift keying spread spectrum communications system |
US6616254B1 (en) * | 1997-06-20 | 2003-09-09 | Itran Communications Ltd. | Code shift keying transmitter for use in a spread spectrum communications system |
AU759082B2 (en) * | 1997-09-12 | 2003-04-03 | Mitsubishi Denki Kabushiki Kaisha | Clock recovery circuit and clock recovery method |
JP3504119B2 (ja) | 1997-09-12 | 2004-03-08 | 三菱電機株式会社 | 復調装置、クロック再生装置、復調方法及びクロック再生方法 |
US6614864B1 (en) | 1999-10-12 | 2003-09-02 | Itran Communications Ltd. | Apparatus for and method of adaptive synchronization in a spread spectrum communications receiver |
AU3187500A (en) * | 2000-03-05 | 2001-09-17 | Itran Communications Ltd. | Spread spectrum communication system utilizing differential code shift keying |
JP4310885B2 (ja) * | 2000-05-11 | 2009-08-12 | ソニー株式会社 | 光ディスク装置、光ディスクのアクセス方法及び光ディスク |
US8477879B2 (en) * | 2009-12-23 | 2013-07-02 | Texas Instruments Incorporated | System and method for bi-phase modulation decoding |
-
1989
- 1989-10-23 AU AU43645/89A patent/AU617885B2/en not_active Ceased
- 1989-10-24 CA CA002001349A patent/CA2001349C/fr not_active Expired - Fee Related
- 1989-10-24 EP EP89119749A patent/EP0366086B1/fr not_active Expired - Lifetime
- 1989-10-24 DE DE68929048T patent/DE68929048T2/de not_active Expired - Fee Related
- 1989-10-24 EP EP99100493A patent/EP0910174B1/fr not_active Expired - Lifetime
- 1989-10-24 DE DE68929538T patent/DE68929538T8/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
AU4364589A (en) | 1990-05-03 |
EP0366086B1 (fr) | 1999-08-11 |
DE68929538D1 (de) | 2005-09-01 |
EP0366086A3 (fr) | 1992-04-08 |
DE68929538T2 (de) | 2006-02-16 |
DE68929048D1 (de) | 1999-09-16 |
EP0366086A2 (fr) | 1990-05-02 |
EP0910174B1 (fr) | 2005-07-27 |
AU617885B2 (en) | 1991-12-05 |
CA2001349C (fr) | 2000-06-27 |
EP0910174A3 (fr) | 1999-06-09 |
DE68929538T8 (de) | 2006-06-22 |
EP0910174A2 (fr) | 1999-04-21 |
DE68929048T2 (de) | 2000-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed | ||
MKLA | Lapsed |
Effective date: 20061024 |