SE8901937D0 - System - Google Patents
SystemInfo
- Publication number
- SE8901937D0 SE8901937D0 SE8901937A SE8901937A SE8901937D0 SE 8901937 D0 SE8901937 D0 SE 8901937D0 SE 8901937 A SE8901937 A SE 8901937A SE 8901937 A SE8901937 A SE 8901937A SE 8901937 D0 SE8901937 D0 SE 8901937D0
- Authority
- SE
- Sweden
- Prior art keywords
- power
- multiplication
- spread
- transmisiion
- oqpsk
- Prior art date
Links
- 230000010363 phase shift Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0003—Code application, i.e. aspects relating to how codes are applied to form multiplexed channels
-
- 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
- H04B1/7073—Synchronisation aspects
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
-
- 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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8807219A FR2751816A1 (fr) | 1988-05-31 | 1988-05-31 | Systeme d'emission-reception de donnees numeriques a etalement de spectre |
Publications (1)
Publication Number | Publication Date |
---|---|
SE8901937D0 true SE8901937D0 (sv) | 1989-05-30 |
Family
ID=9366770
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8901937A SE8901937D0 (sv) | 1988-05-31 | 1989-05-30 | System |
Country Status (4)
Country | Link |
---|---|
FR (1) | FR2751816A1 (sv) |
GB (1) | GB2319147B (sv) |
IT (1) | IT8967383A0 (sv) |
SE (1) | SE8901937D0 (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1311073A1 (en) * | 2001-11-12 | 2003-05-14 | Texas Instruments Incorporated | Modulation system for complex spreading codes |
CN102075472B (zh) * | 2011-02-16 | 2014-12-31 | 四川九洲电器集团有限责任公司 | 一种扩频oqpsk中频及解扩解调方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1191905A (en) * | 1982-06-30 | 1985-08-13 | Canadian Patents And Development Limited/Societe Canadienne Des Brevets Et D'exploitation Limitee | Spread spectrum modem |
-
1988
- 1988-05-31 FR FR8807219A patent/FR2751816A1/fr not_active Withdrawn
-
1989
- 1989-05-23 IT IT8967383A patent/IT8967383A0/it unknown
- 1989-05-25 GB GB8912003A patent/GB2319147B/en not_active Expired - Fee Related
- 1989-05-30 SE SE8901937A patent/SE8901937D0/sv unknown
Also Published As
Publication number | Publication date |
---|---|
GB8912003D0 (en) | 1998-02-18 |
FR2751816A1 (fr) | 1998-01-30 |
IT8967383A0 (it) | 1989-05-23 |
GB2319147A (en) | 1998-05-13 |
GB2319147B (en) | 1998-09-02 |
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