Bookcover of Nonlinear distortion in mobile communication systems
Booktitle:

Nonlinear distortion in mobile communication systems

LAP LAMBERT Academic Publishing (2015-09-22 )

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ISBN-13:

978-3-659-78381-4

ISBN-10:
3659783811
EAN:
9783659783814
Book language:
English
Blurb/Shorttext:
MIMO-OFDM transmission systems provide a high spectral efficiency, robustness in the frequency selective channels and flexibility in the resource allocation. However, like a single-input single output (SISO) OFDM systems, similarly MIMO-OFDM has one main drawback i.e. high sensitivity to the nonlinearities in RF front-ends due to the large envelope fluctuation of OFDM-based signals. When a nonlinear high power amplifier (HPA) is used, large back-off is necessary to avoid strong nonlinear distortion causing performance degradation. On the other hand, when the HPA is operating in the linear region, the power efficiency is low. To avoid nonlinear distortion transmitter-side or receiver-side solution can be employed with advantage. Here, a transmitter-side method based on using the tone reservation technique is proposed for the space-frequency block coded (SFBC) OFDM systems with three and more transmit antennas. Then, new receiver-side iterative method for the detection of nonlinearly distorted symbols received by the receiver of SFBC-OFDM transmission system is designed.
Publishing house:
LAP LAMBERT Academic Publishing
Website:
https://www.lap-publishing.com/
By (author) :
Peter Drotar
Number of pages:
116
Published at:
2015-09-22
Stock:
Available
Category:
Data communication, networks
Price:
54.90 €
Keywords:
MIMO, Mobile Communications, OFDM, receiver, Space Time Coding, nonlinear distortion, high power aplifier

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