FR2534096A1 - Systeme de transmission numerique a etalement du spectre par codage avec des suites pseudo-aleatoires - Google Patents
Systeme de transmission numerique a etalement du spectre par codage avec des suites pseudo-aleatoires Download PDFInfo
- Publication number
- FR2534096A1 FR2534096A1 FR8216586A FR8216586A FR2534096A1 FR 2534096 A1 FR2534096 A1 FR 2534096A1 FR 8216586 A FR8216586 A FR 8216586A FR 8216586 A FR8216586 A FR 8216586A FR 2534096 A1 FR2534096 A1 FR 2534096A1
- Authority
- FR
- France
- Prior art keywords
- pseudo
- link
- pattern
- sequence
- sequences
- 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
- 238000001228 spectrum Methods 0.000 title claims abstract description 54
- 230000005540 biological transmission Effects 0.000 title claims abstract description 40
- 230000007480 spreading Effects 0.000 title abstract description 12
- 238000004064 recycling Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000000875 corresponding effect Effects 0.000 description 19
- 239000000047 product Substances 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000011664 signaling Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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
- 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
- H04B7/2628—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA]
- H04B7/2634—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using code-division multiple access [CDMA] or spread spectrum multiple access [SSMA] for channel frequency control
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8216586A FR2534096A1 (fr) | 1982-10-04 | 1982-10-04 | Systeme de transmission numerique a etalement du spectre par codage avec des suites pseudo-aleatoires |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8216586A FR2534096A1 (fr) | 1982-10-04 | 1982-10-04 | Systeme de transmission numerique a etalement du spectre par codage avec des suites pseudo-aleatoires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2534096A1 true FR2534096A1 (fr) | 1984-04-06 |
| FR2534096B1 FR2534096B1 (enExample) | 1985-02-01 |
Family
ID=9277937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8216586A Granted FR2534096A1 (fr) | 1982-10-04 | 1982-10-04 | Systeme de transmission numerique a etalement du spectre par codage avec des suites pseudo-aleatoires |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2534096A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0188836A3 (en) * | 1984-12-22 | 1988-10-12 | Philips Patentverwaltung Gmbh | Method and device for information transmission in a digital radio transmission system |
| EP1046240A4 (en) * | 1998-01-05 | 2002-07-10 | Intel Corp | METHOD FOR USING CIRCULAR SPREADING CODE TO REACH HIGH BIT DENSITY IN A DIRECT-SEQUENCE SPREADING SPECTRUM MESSAGE TRANSMISSION SYSTEM |
| US8285313B2 (en) | 2008-06-16 | 2012-10-09 | Aristocrat Technologies Australia Pty Limited | Messaging system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1585273A (enExample) * | 1967-06-13 | 1970-01-16 | ||
| US3934203A (en) * | 1974-05-24 | 1976-01-20 | The United States Of America As Represented By The Secretary Of The Navy | Spread spectrum modem |
| US4293953A (en) * | 1979-12-28 | 1981-10-06 | The United States Of America As Represented By The Secretary Of The Army | Bi-orthogonal PCM communications system employing multiplexed noise codes |
-
1982
- 1982-10-04 FR FR8216586A patent/FR2534096A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1585273A (enExample) * | 1967-06-13 | 1970-01-16 | ||
| US3934203A (en) * | 1974-05-24 | 1976-01-20 | The United States Of America As Represented By The Secretary Of The Navy | Spread spectrum modem |
| US4293953A (en) * | 1979-12-28 | 1981-10-06 | The United States Of America As Represented By The Secretary Of The Army | Bi-orthogonal PCM communications system employing multiplexed noise codes |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0188836A3 (en) * | 1984-12-22 | 1988-10-12 | Philips Patentverwaltung Gmbh | Method and device for information transmission in a digital radio transmission system |
| EP1046240A4 (en) * | 1998-01-05 | 2002-07-10 | Intel Corp | METHOD FOR USING CIRCULAR SPREADING CODE TO REACH HIGH BIT DENSITY IN A DIRECT-SEQUENCE SPREADING SPECTRUM MESSAGE TRANSMISSION SYSTEM |
| US6798825B1 (en) | 1998-01-05 | 2004-09-28 | Intel Corporation | Method for using circular spreading codes to achieve high bit densities in a direct-sequence spread spectrum communication system |
| US8285313B2 (en) | 2008-06-16 | 2012-10-09 | Aristocrat Technologies Australia Pty Limited | Messaging system and method |
| US8634864B2 (en) | 2008-06-16 | 2014-01-21 | Aristocrat Technologies Australia Pty Limited | Messaging system and method |
| US9386426B2 (en) | 2008-06-16 | 2016-07-05 | Aristocrat Technologies Australia Pty Limited | Messaging system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2534096B1 (enExample) | 1985-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |