Enhanced-efficiency front-end module with multi-standard impedance-tunable antenna
Energy-efficiency is of paramount importance in modern battery-powered wireless communication devices in order to provide longer talk-time and autonomy. At the radio level, the power amplifier is a major contributor to the power consumption, especially with recent non-constant envelope modulations r...
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| creator | Dussopt, L. Niamien, M. A. C. Giry, A. Chebihi, A. Contal, S. Fraysse, F. Aissa, S. Perrin, O. Delaveaud, C. |
| description | Energy-efficiency is of paramount importance in modern battery-powered wireless communication devices in order to provide longer talk-time and autonomy. At the radio level, the power amplifier is a major contributor to the power consumption, especially with recent non-constant envelope modulations requiring stringent linearity. Another energy efficiency issue arises at the antenna level in miniature handheld terminals, since the antenna impedance variations may result in significant reflection losses and require the PA to operate at maximum output power. This article presents the development of a front-end module composed of a PA with envelope-tracking system operating at 1920-1980 MHz and a multi-standard miniature antenna associated to an integrated automatic impedance tuner. |
| doi_str_mv | 10.1109/CAMAD.2012.6335361 |
| format | Conference Proceeding |
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Another energy efficiency issue arises at the antenna level in miniature handheld terminals, since the antenna impedance variations may result in significant reflection losses and require the PA to operate at maximum output power. 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| identifier | ISSN: 2378-4865 |
| ispartof | 2012 IEEE 17th International Workshop on Computer Aided Modeling and Design of Communication Links and Networks (CAMAD), 2012, p.328-332 |
| issn | 2378-4865 |
| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Antenna measurements Electromagnetism Electronics energy efficiency Engineering Sciences Envelope-tracking Impedance impedance tuning Materials miniature antenna power amplifier Power amplifiers Radio frequency Reflector antennas |
| title | Enhanced-efficiency front-end module with multi-standard impedance-tunable antenna |
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