FR79387E - Système télégraphique à réception en diversité - Google Patents
Système télégraphique à réception en diversitéInfo
- Publication number
- FR79387E FR79387E FR855846A FR855846A FR79387E FR 79387 E FR79387 E FR 79387E FR 855846 A FR855846 A FR 855846A FR 855846 A FR855846 A FR 855846A FR 79387 E FR79387 E FR 79387E
- Authority
- FR
- France
- Prior art keywords
- diversity reception
- telegraph system
- telegraph
- diversity
- reception
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/04—Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
- H04B7/0842—Weighted combining
- H04B7/0848—Joint weighting
- H04B7/0857—Joint weighting using maximum ratio combining techniques, e.g. signal-to- interference ratio [SIR], received signal strenght indication [RSS]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US50305255A | 1955-04-22 | 1955-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR79387E true FR79387E (fr) | 1962-11-23 |
Family
ID=48183115
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1153634D Expired FR1153634A (fr) | 1955-04-22 | 1956-04-20 | Système télégraphique à réception en diversité |
FR855846A Expired FR79387E (fr) | 1955-04-22 | 1961-03-16 | Système télégraphique à réception en diversité |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1153634D Expired FR1153634A (fr) | 1955-04-22 | 1956-04-20 | Système télégraphique à réception en diversité |
Country Status (4)
Country | Link |
---|---|
US (1) | US2899548A (fr) |
BE (1) | BE547236A (fr) |
FR (2) | FR1153634A (fr) |
GB (2) | GB828072A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2979613A (en) * | 1958-08-26 | 1961-04-11 | Itt | Radio diversity receiving system |
US3354433A (en) * | 1963-09-30 | 1967-11-21 | Tele Signal Corp | Pulse communication system |
US4011511A (en) * | 1974-07-24 | 1977-03-08 | The Singer Company | Frequency-shift digital data link and digital frequency detection system |
GB2244189A (en) * | 1990-05-17 | 1991-11-20 | Orbitel Mobile Communications | Space diversity receiver for mobile telephones |
DE59009637D1 (de) * | 1990-05-31 | 1995-10-12 | Siemens Ag | Kombinationsschaltung bei Raumdiversityempfang. |
US5777544A (en) * | 1997-03-17 | 1998-07-07 | Intellon Corporation | Apparatus and method for controlling data communications having combination of wide and narrow band frequency protocols |
US6034988A (en) * | 1997-08-04 | 2000-03-07 | Intellon Corporation | Spread spectrum apparatus and method for network RF data communications having extended communication channels |
US6079367A (en) * | 1997-10-10 | 2000-06-27 | Dogwatch, Inc. | Animal training apparatus and method |
CN102472786B (zh) * | 2009-07-10 | 2014-09-03 | 日本电气株式会社 | 电磁场测量设备和电磁场测量方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE481301A (fr) * | 1944-05-23 | |||
US2497859A (en) * | 1947-11-19 | 1950-02-21 | Western Union Telegraph Co | Frequency diversity telegraph system |
US2580148A (en) * | 1947-12-09 | 1951-12-25 | Collins Radio Co | Antinoise carrier receiving system |
-
0
- BE BE547236D patent/BE547236A/xx unknown
- US US2899548D patent/US2899548A/en not_active Expired - Lifetime
-
1956
- 1956-03-23 GB GB9149/56A patent/GB828072A/en not_active Expired
- 1956-04-20 FR FR1153634D patent/FR1153634A/fr not_active Expired
-
1960
- 1960-03-17 GB GB9399/60A patent/GB880673A/en not_active Expired
-
1961
- 1961-03-16 FR FR855846A patent/FR79387E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2899548A (en) | 1959-08-11 |
BE547236A (fr) | |
GB828072A (en) | 1960-02-17 |
FR1153634A (fr) | 1958-03-19 |
GB880673A (en) | 1961-10-25 |
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