DE543903C - Anordnung zur Verminderung der Schwundwirkung bei drahtlosem Empfang mittels einer Mehrzahl von Antennensystemen - Google Patents
Anordnung zur Verminderung der Schwundwirkung bei drahtlosem Empfang mittels einer Mehrzahl von AntennensystemenInfo
- Publication number
- DE543903C DE543903C DER80084D DER0080084D DE543903C DE 543903 C DE543903 C DE 543903C DE R80084 D DER80084 D DE R80084D DE R0080084 D DER0080084 D DE R0080084D DE 543903 C DE543903 C DE 543903C
- Authority
- DE
- Germany
- Prior art keywords
- antennas
- antenna
- arrangement
- strength
- fading
- 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
- 238000005562 fading Methods 0.000 title claims description 8
- 230000000694 effects Effects 0.000 title claims description 4
- 230000003321 amplification Effects 0.000 claims description 6
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 230000037007 arousal Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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
- H04B7/0802—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 antenna selection
- H04B7/0817—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 antenna selection with multiple receivers and antenna path selection
-
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US325304A US1888065A (en) | 1928-12-11 | 1928-12-11 | Differential volume control for diversity reception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE543903C true DE543903C (de) | 1932-02-11 |
Family
ID=23267325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DER80084D Expired DE543903C (de) | 1928-12-11 | 1929-12-12 | Anordnung zur Verminderung der Schwundwirkung bei drahtlosem Empfang mittels einer Mehrzahl von Antennensystemen |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1888065A (enrdf_load_stackoverflow) |
| DE (1) | DE543903C (enrdf_load_stackoverflow) |
| NL (1) | NL27083C (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2423437A (en) * | 1934-08-25 | 1947-07-08 | Bell Telephone Labor Inc | Direction finder |
| US2424972A (en) * | 1945-04-02 | 1947-08-05 | Standard Telephones Cables Ltd | Transmitter control circuit |
| US2553271A (en) * | 1945-12-11 | 1951-05-15 | Rca Corp | Diversity receiver |
| US2845528A (en) * | 1953-03-17 | 1958-07-29 | Bendix Aviat Corp | Dividing and limiter circuit |
-
0
- NL NL27083D patent/NL27083C/xx active
-
1928
- 1928-12-11 US US325304A patent/US1888065A/en not_active Expired - Lifetime
-
1929
- 1929-12-12 DE DER80084D patent/DE543903C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL27083C (enrdf_load_stackoverflow) | |
| US1888065A (en) | 1932-11-15 |
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