WO2004034603A3 - Transmitter and methods of transmission using separate phase and amplitude modulators - Google Patents
Transmitter and methods of transmission using separate phase and amplitude modulators Download PDFInfo
- Publication number
- WO2004034603A3 WO2004034603A3 PCT/US2003/031779 US0331779W WO2004034603A3 WO 2004034603 A3 WO2004034603 A3 WO 2004034603A3 US 0331779 W US0331779 W US 0331779W WO 2004034603 A3 WO2004034603 A3 WO 2004034603A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplitude
- modulated amplifier
- transmitter
- transmission
- methods
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Transmitters (AREA)
- Amplifiers (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Abstract
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005501112A JP2006502682A (en) | 2002-10-08 | 2003-10-07 | Transmitter and method of transmission using independent phase and amplitude modulators |
AU2003275475A AU2003275475A1 (en) | 2002-10-08 | 2003-10-07 | Transmitter and methods of transmission using separate phase and amplitude modulators |
EP03759753A EP1550230A2 (en) | 2002-10-08 | 2003-10-07 | Transmitter and method of transmission using separate phase and amplitude modulators |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US41731102P | 2002-10-08 | 2002-10-08 | |
US41686102P | 2002-10-08 | 2002-10-08 | |
US60/417,311 | 2002-10-08 | ||
US60/416,861 | 2002-10-08 | ||
US10/454,697 US7502422B2 (en) | 2003-06-04 | 2003-06-04 | Electromagnetic wave transmitter systems, methods and articles of manufacture |
US10/454,697 | 2003-06-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2004034603A2 WO2004034603A2 (en) | 2004-04-22 |
WO2004034603A3 true WO2004034603A3 (en) | 2004-05-27 |
Family
ID=32096884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2003/031779 WO2004034603A2 (en) | 2002-10-08 | 2003-10-07 | Transmitter and methods of transmission using separate phase and amplitude modulators |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1550230A2 (en) |
JP (1) | JP2006502682A (en) |
AU (1) | AU2003275475A1 (en) |
WO (1) | WO2004034603A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100977325B1 (en) | 2005-11-18 | 2010-08-20 | 콸콤 인코포레이티드 | Digital transmitters for wireless communication |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8036710B2 (en) * | 2004-05-07 | 2011-10-11 | Qualcomm, Incorporated | Power-efficient multi-antenna wireless device |
US7359680B2 (en) | 2004-09-14 | 2008-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Delay calibration in polar modulation transmitters |
US8009745B2 (en) | 2005-11-15 | 2011-08-30 | Qualcomm Incorporated | Time tracking for a receiver with guard interval correlation |
US8971830B2 (en) | 2009-05-12 | 2015-03-03 | Qualcomm Incorporated | Multi-mode multi-band power amplifier module |
EP2523344B1 (en) * | 2011-05-12 | 2014-11-12 | Alcatel Lucent | Device and method to amplify a digital multibit signal |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000074330A1 (en) * | 1999-05-26 | 2000-12-07 | Ascom Ag | Transmission of digital signals, with separate phase and amplitude modulation |
WO2001097479A1 (en) * | 2000-06-13 | 2001-12-20 | Nokia Corporation | Method and apparatus for modulating a radio signal using digital amplitude and phase control signals |
US6411655B1 (en) * | 1998-12-18 | 2002-06-25 | Ericsson Inc. | Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05175743A (en) * | 1991-12-11 | 1993-07-13 | Fujitsu Ltd | Power amplifier |
US6781452B2 (en) * | 2001-08-29 | 2004-08-24 | Tropian, Inc. | Power supply processing for power amplifiers |
-
2003
- 2003-10-07 JP JP2005501112A patent/JP2006502682A/en active Pending
- 2003-10-07 EP EP03759753A patent/EP1550230A2/en not_active Withdrawn
- 2003-10-07 WO PCT/US2003/031779 patent/WO2004034603A2/en active Application Filing
- 2003-10-07 AU AU2003275475A patent/AU2003275475A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6411655B1 (en) * | 1998-12-18 | 2002-06-25 | Ericsson Inc. | Systems and methods for converting a stream of complex numbers into an amplitude and phase-modulated radio power signal |
WO2000074330A1 (en) * | 1999-05-26 | 2000-12-07 | Ascom Ag | Transmission of digital signals, with separate phase and amplitude modulation |
WO2001097479A1 (en) * | 2000-06-13 | 2001-12-20 | Nokia Corporation | Method and apparatus for modulating a radio signal using digital amplitude and phase control signals |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100977325B1 (en) | 2005-11-18 | 2010-08-20 | 콸콤 인코포레이티드 | Digital transmitters for wireless communication |
Also Published As
Publication number | Publication date |
---|---|
JP2006502682A (en) | 2006-01-19 |
AU2003275475A1 (en) | 2004-05-04 |
AU2003275475A8 (en) | 2004-05-04 |
EP1550230A2 (en) | 2005-07-06 |
WO2004034603A2 (en) | 2004-04-22 |
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