IT1395091B1 - Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadratura - Google Patents
Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadraturaInfo
- Publication number
- IT1395091B1 IT1395091B1 ITMI2009A000597A ITMI20090597A IT1395091B1 IT 1395091 B1 IT1395091 B1 IT 1395091B1 IT MI2009A000597 A ITMI2009A000597 A IT MI2009A000597A IT MI20090597 A ITMI20090597 A IT MI20090597A IT 1395091 B1 IT1395091 B1 IT 1395091B1
- Authority
- IT
- Italy
- Prior art keywords
- square
- digital signals
- amplitude modulation
- processing digital
- relative device
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
- H04L27/36—Modulator circuits; Transmitter circuits
- H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2009A000597A IT1395091B1 (it) | 2009-04-10 | 2009-04-10 | Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadratura |
EP10158999A EP2239914A1 (en) | 2009-04-10 | 2010-04-01 | Method and associated device for processing digital signals for quadrature amplitude modulation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITMI2009A000597A IT1395091B1 (it) | 2009-04-10 | 2009-04-10 | Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadratura |
Publications (2)
Publication Number | Publication Date |
---|---|
ITMI20090597A1 ITMI20090597A1 (it) | 2010-10-11 |
IT1395091B1 true IT1395091B1 (it) | 2012-09-05 |
Family
ID=41559665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI2009A000597A IT1395091B1 (it) | 2009-04-10 | 2009-04-10 | Metodo e relativo dispositivo di elaborazione di segnali digitali per la modulazione di ampiezza in quadratura |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2239914A1 (it) |
IT (1) | IT1395091B1 (it) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2539261B1 (fr) * | 1983-01-07 | 1989-07-13 | Telecommunications Sa | Emetteur pour faisceaux hertziens numeriques a multi-etats |
US5638401A (en) * | 1995-01-31 | 1997-06-10 | Ericsson Inc. | Method and apparatus for generating plural quadrature modulated carriers |
ATE493820T1 (de) * | 2000-11-03 | 2011-01-15 | Qualcomm Inc | Modulator mit geringer anfälligkeit für amplituden- und phasenfehler des trägersignals |
US7327803B2 (en) * | 2004-10-22 | 2008-02-05 | Parkervision, Inc. | Systems and methods for vector power amplification |
-
2009
- 2009-04-10 IT ITMI2009A000597A patent/IT1395091B1/it active
-
2010
- 2010-04-01 EP EP10158999A patent/EP2239914A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
ITMI20090597A1 (it) | 2010-10-11 |
EP2239914A1 (en) | 2010-10-13 |
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