FR2627035B1 - Dispositif de detection et d'alerte d'occurrence de brouillage, notamment pour satellite-relais geostationnaire - Google Patents
Dispositif de detection et d'alerte d'occurrence de brouillage, notamment pour satellite-relais geostationnaireInfo
- Publication number
- FR2627035B1 FR2627035B1 FR8801491A FR8801491A FR2627035B1 FR 2627035 B1 FR2627035 B1 FR 2627035B1 FR 8801491 A FR8801491 A FR 8801491A FR 8801491 A FR8801491 A FR 8801491A FR 2627035 B1 FR2627035 B1 FR 2627035B1
- Authority
- FR
- France
- Prior art keywords
- geostation
- interference detection
- alert device
- relay satellite
- satellite
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
-
- 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
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Electromagnetism (AREA)
- Radio Relay Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801491A FR2627035B1 (fr) | 1988-02-09 | 1988-02-09 | Dispositif de detection et d'alerte d'occurrence de brouillage, notamment pour satellite-relais geostationnaire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8801491A FR2627035B1 (fr) | 1988-02-09 | 1988-02-09 | Dispositif de detection et d'alerte d'occurrence de brouillage, notamment pour satellite-relais geostationnaire |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2627035A1 FR2627035A1 (fr) | 1989-08-11 |
FR2627035B1 true FR2627035B1 (fr) | 1990-06-08 |
Family
ID=9363081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8801491A Expired - Fee Related FR2627035B1 (fr) | 1988-02-09 | 1988-02-09 | Dispositif de detection et d'alerte d'occurrence de brouillage, notamment pour satellite-relais geostationnaire |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2627035B1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7706746B2 (en) | 2000-08-02 | 2010-04-27 | Atc Technologies, Llc | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7792488B2 (en) | 2000-12-04 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3779063B2 (ja) * | 1998-05-28 | 2006-05-24 | 松下電器産業株式会社 | 無線通信装置及び無線通信方法 |
EP1030468A1 (fr) * | 1999-02-19 | 2000-08-23 | ICO Services Ltd. | Méthode et appareil de communication avec réduction d'interférence |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4119964A (en) * | 1976-10-28 | 1978-10-10 | Nasa | Systems and methods for determining radio frequency interference |
US4107613A (en) * | 1977-02-11 | 1978-08-15 | Perma-Power Inc. | Wireless microphone with FM receiver muting system responsive to excessive undesired AM level or low AGC control level |
JPS58134545A (ja) * | 1982-02-04 | 1983-08-10 | Nec Corp | サ−ビスチヤンネル信号伝送方式 |
-
1988
- 1988-02-09 FR FR8801491A patent/FR2627035B1/fr not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7706746B2 (en) | 2000-08-02 | 2010-04-27 | Atc Technologies, Llc | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7831251B2 (en) | 2000-08-02 | 2010-11-09 | Atc Technologies, Llc | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7907893B2 (en) | 2000-08-02 | 2011-03-15 | Atc Technologies, Llc | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US8369775B2 (en) | 2000-08-02 | 2013-02-05 | Atc Technologies, Llc | Integrated or autonomous system and method of satellite-terrestrial frequency reuse using signal attenuation and/or blockage, dynamic assignment of frequencies and/or hysteresis |
US7792488B2 (en) | 2000-12-04 | 2010-09-07 | Atc Technologies, Llc | Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength |
Also Published As
Publication number | Publication date |
---|---|
FR2627035A1 (fr) | 1989-08-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |