Adaptive Digital Predistortion for Power Amplifier Linearization

Name: Adaptive Digital Predistortion for Power Amplifier Linearization
Brand: LAP Lambert Academic Publishing
SKU: 9783659957512
Price: 187.22 RON
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Autor: Bashar Abdulrahman

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Editura: LAP Lambert Academic Publishing

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The new radio communication systems move toward the use of non-constant envelops modulations and tow...

Informații despre carte

Autor

Bashar Abdulrahman

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2016

Pagini

204

EAN

9783659957512

Enbook ID

15201423

Editura

LAP Lambert Academic Publishing

Greutate

322

Dimensiuni

150 x 12 x 12

Descriere completă

The new radio communication systems move toward the use of non-constant envelops modulations and toward the application of spread spectrum techniques. The modulated output envelops of such signals are strongly dynamic and so, the influence of the nonlinearities of the transmitters are not negligible. A solution consists of correcting the amplifier while associating with it a linearization device so that the whole amplifier-linearizer system behaves in a quasi-linear manner up to practically the power of saturation. The main part is dedicated to the study of a new adaptive digital predistorter that can be applied to wide band signals used in third generation systems. After a state of the art of the predistortion system a new technique or improvement of adaptation techniques are proposed and estimated by simulation. The influence of the main sources of imperfections on the system is analyzed. The work also compares the complexity of the different approaches of predistortion by LUT, polynomial predistortion without memory or with memory.

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Adaptive Digital Predistortion for Power Amplifier Linearization

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