IT1259030B - Metodo e dispositivi per il controllo automatico di guadagno in un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo - Google Patents
Metodo e dispositivi per il controllo automatico di guadagno in un sistema di trasmissione radio digitale in diversita' di spazio e/o angoloInfo
- Publication number
- IT1259030B IT1259030B ITMI921269A ITMI921269A IT1259030B IT 1259030 B IT1259030 B IT 1259030B IT MI921269 A ITMI921269 A IT MI921269A IT MI921269 A ITMI921269 A IT MI921269A IT 1259030 B IT1259030 B IT 1259030B
- Authority
- IT
- Italy
- Prior art keywords
- angle
- transmission system
- gain control
- automatic gain
- radio transmission
- Prior art date
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
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space 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]
-
- 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
- H04B7/0851—Joint weighting using training sequences or error signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Transmission System (AREA)
Abstract
Metodo per il controllo automatico di guadagno di un sistema di trasmissione radio digitale in diversità di spazio e/o angolo in cui si rivelano i due segnali ricevuti, le due tensioni sono confrontate; e si fa comandare il livello di amplificazione da quell'unico segnale che dal confronto, risulta avere di volta in volta la potenza ricevuta più alta (fra i due).
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI921269A IT1259030B (it) | 1992-05-25 | 1992-05-25 | Metodo e dispositivi per il controllo automatico di guadagno in un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo |
EP93108066A EP0572859A1 (en) | 1992-05-25 | 1993-05-18 | Method and device for automatic gain control in a space/angle diversity digital radio receiver |
NO931845A NO931845L (no) | 1992-05-25 | 1993-05-21 | Fremgangsm}te og anordning for automatisk styring |
JP5145734A JPH06169270A (ja) | 1992-05-25 | 1993-05-25 | 空間差および、または角度差におけるデジタル無線伝送システムの自動利得制御方法および装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI921269A IT1259030B (it) | 1992-05-25 | 1992-05-25 | Metodo e dispositivi per il controllo automatico di guadagno in un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI921269A0 ITMI921269A0 (it) | 1992-05-25 |
ITMI921269A1 ITMI921269A1 (it) | 1993-11-25 |
IT1259030B true IT1259030B (it) | 1996-03-11 |
Family
ID=11363374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI921269A IT1259030B (it) | 1992-05-25 | 1992-05-25 | Metodo e dispositivi per il controllo automatico di guadagno in un sistema di trasmissione radio digitale in diversita' di spazio e/o angolo |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0572859A1 (it) |
JP (1) | JPH06169270A (it) |
IT (1) | IT1259030B (it) |
NO (1) | NO931845L (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040214540A1 (en) * | 2003-04-22 | 2004-10-28 | Dockemeyer J. Robert | Radio receiver with optimized multiple variable gain circuits |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL234320A (it) * | 1957-12-19 | |||
PH10896A (en) * | 1972-06-01 | 1977-09-30 | Commw Of Australia | Diversity radio receiver |
JPS5683146A (en) * | 1979-10-31 | 1981-07-07 | Nec Corp | Synthesizing system of pass band optimum ratio in diversity communication |
JPS60254841A (ja) * | 1984-05-31 | 1985-12-16 | Fujitsu Ltd | フエ−ジング等化方式 |
-
1992
- 1992-05-25 IT ITMI921269A patent/IT1259030B/it active IP Right Grant
-
1993
- 1993-05-18 EP EP93108066A patent/EP0572859A1/en not_active Withdrawn
- 1993-05-21 NO NO931845A patent/NO931845L/no unknown
- 1993-05-25 JP JP5145734A patent/JPH06169270A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH06169270A (ja) | 1994-06-14 |
EP0572859A1 (en) | 1993-12-08 |
NO931845D0 (no) | 1993-05-21 |
ITMI921269A0 (it) | 1992-05-25 |
ITMI921269A1 (it) | 1993-11-25 |
NO931845L (no) | 1993-11-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted |