Design of an Adaptive Predistorter for Solid State Power Amplifier in Wireless OFDM Systems
Joint Authors
de Figueiredo, Rui J. P.
Lee, Byung Moo
Fang, Lin
Source
Research Letters in Signal Processing
Issue
Vol. 2009, Issue 2009 (31 Dec. 2009), pp.1-5, 5 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2009-09-07
Country of Publication
Egypt
No. of Pages
5
Main Subjects
Abstract EN
Orthogonal frequency division multiplexing (OFDM) is a powerful modulation choice for wideband wireless communication systems.
However, its high peak-to-average power ratio greatly limits the high power amplifier (HPA) power efficiency.
Here, we present the design of an adaptive predistorter to compensate the distortion caused by the HPA.
Specifically, we deal with the implementation issue of the proposed predistorter in Lee and de Figueiredo's work (2006).
The performance improvement by predistorter is verified by both floating-point simulation and fixed-point simulation, where the latter includes the distortion effects from the hardware.
The bit widths for OFDM signals, ADC, and DAC are evaluated, and the bit width of 10 is shown to be sufficient for the hardware design.
American Psychological Association (APA)
de Figueiredo, Rui J. P.& Fang, Lin& Lee, Byung Moo. 2009. Design of an Adaptive Predistorter for Solid State Power Amplifier in Wireless OFDM Systems. Research Letters in Signal Processing،Vol. 2009, no. 2009, pp.1-5.
https://search.emarefa.net/detail/BIM-477813
Modern Language Association (MLA)
de Figueiredo, Rui J. P.…[et al.]. Design of an Adaptive Predistorter for Solid State Power Amplifier in Wireless OFDM Systems. Research Letters in Signal Processing No. 2009 (2009), pp.1-5.
https://search.emarefa.net/detail/BIM-477813
American Medical Association (AMA)
de Figueiredo, Rui J. P.& Fang, Lin& Lee, Byung Moo. Design of an Adaptive Predistorter for Solid State Power Amplifier in Wireless OFDM Systems. Research Letters in Signal Processing. 2009. Vol. 2009, no. 2009, pp.1-5.
https://search.emarefa.net/detail/BIM-477813
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-477813