Digital Pre-distortion of Microwave Power Amplifiers (2005)
Abstract / truncated to 115 words
With the advent of spectrally efficient wireless communication systems employing modulation schemes with varying amplitude of the communication signal, linearisation techniques for nonlinear microwave power amplifiers have gained significant interest. The availability of fast and cheap digital processing technology makes digital pre-distortion an attractive candidate as a means for power amplifier linearisation since it promises high power efficiency and fleexibility. Digital pre-distortion is further in line with the current efforts towards software defined radio systems, where a principal aim is to substitute costly and inflexible analogue circuitry with cheap and reprogrammable digital circuitry. Microwave power amplifiers are most efficient in terms of delivered microwave output power vs. supplied power if driven near the saturation point. ...
distortion – microwave power amplifiers
Information
- Author
- Aschbacher, E.
- Institution
- Vienna University of Technology
- Supervisor
- Publication Year
- 2005
- Upload Date
- July 2, 2008
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