Design of Power Efficient Power Amplifier for B3G Base Stations.

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Publication date
11/11/2010
Author
Hussaini, Abubakar S.
Gwandu, B.A.L.
Abd-Alhameed, Raed A.
Rodriguez, Jonathan
Keyword
Class AB
Doherty RF power amplifier
OFDM
Mobile WiMAX
3.5GHz band base station
4G - Fourth generation systems
Rights
© 2010 IEEE. Reprinted, with permission: Hussaini, A. S., Gwandu, B. A. L., Abd-Alhameed, R. A. and Rodriguez, J. (2010). Design of Power Efficient Power Amplifier for B3G Base Stations. In: 9th International Symposium on Electronics and Telecommunications (ISETC 2010) , Timisoara, Romania, 11-12 November, 2010. IEEE. ISBN: 978-1-4244-8458-4. Paper No. 103, pp. 89-92. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bradford¿s products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to pubs-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.
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Abstract
Fourth generation systems require the use of both amplitude and phase modulation to efficiently utilize the available spectrum and to obtain high data rates, hence imposing stringent requirements on the power amplifier in terms of efficiency and linearity and requires the power amplifier to operate linearly and efficiently. The B3G base station transceiver Doherty power amplifier was designed to operate over the frequency range of 3.47GHz to 3.53GHz mobile WiMAX band using Freescale¿s N-Channel Enhancement-Mode Lateral MOSFET Transistor, MRF7S38010HR3; The performances of the Doherty amplifier are compared with that of the conventional Class AB amplifier. The results of 43 dBm output power and 66% power added efficiency are achieved.
URI
http://hdl.handle.net/10454/4793
Version
Accepted Manuscript
Citation
Hussaini, A. S., Gwandu, B. A. L., Abd-Alhameed, R. A. and Rodriguez, J. (2010). Design of Power Efficient Power Amplifier for B3G Base Stations. In: 9th International Symposium on Electronics and Telecommunications (ISETC 2010) , Timisoara, Romania, 11-12 November, 2010. IEEE. ISBN: 978-1-4244-8458-4. Paper No. 103, pp. 89-92.
Link to publisher’s version
http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=5679310
Type
Conference paper
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