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Carrier Frequency Offset in Ofdm

Javad Hoseyni

Published by LAP Lambert Academic Publishing
ISBN 10: 3659376027 / ISBN 13: 9783659376023
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Bibliographic Details


Title: Carrier Frequency Offset in Ofdm

Publisher: LAP Lambert Academic Publishing

Binding: Paperback

Book Condition: New

Book Type: Paperback

Description:

Paperback. 96 pages. Dimensions: 8.7in. x 5.9in. x 0.2in.Orthogonal Frequency Division Multiplexing (OFDM) is a popular multicarrier modulation technique with the ability to provide high data rates over echo-ladened channels. It has excellent robustness to impairments caused by multipath, which includes frequency selective fading. Unfortunately, OFDM is very sensitive to the carrier frequency oset (CFO) that is introduced by the down conversion process. The objective of this book is to develop and analyze an algorithm for blind CFO recovery suitable for use with a practical zero-Intermediate Frequency (zero-IF) OFDM telecommunications system. A blind CFO recovery algorithm based upon characteristics of the received signal power spectrum is proposed. The algorithms error performance is mathematically analyzed and the theoretical results are veried with simulations. The simulation shows that the performance of the proposed algorithm agrees with the mathematical analysis. The proposed algorithm performs well in comparison and does not suer from many of the disadvantages of existing blind CFO recovery techniques. Most notably, its performance is not signicantly degraded by noisy, frequency selective channels. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783659376023

About this title:

Synopsis: Orthogonal Frequency Division Multiplexing (OFDM) is a popular multicarrier modulation technique with the ability to provide high data rates over echo-ladened channels. It has excellent robustness to impairments caused by multipath, which includes frequency selective fading. Unfortunately, OFDM is very sensitive to the carrier frequency o?set (CFO) that is introduced by the down conversion process. The objective of this book is to develop and analyze an algorithm for blind CFO recovery suitable for use with a practical zero-Intermediate Frequency (zero-IF) OFDM telecommunications system. A blind CFO recovery algorithm based upon characteristics of the received signal power spectrum is proposed. The algorithm's error performance is mathematically analyzed and the theoretical results are veri?ed with simulations. The simulation shows that the performance of the proposed algorithm agrees with the mathematical analysis. The proposed algorithm performs well in comparison and does not su?er from many of the disadvantages of existing blind CFO recovery techniques. Most notably, its performance is not signi?cantly degraded by noisy, frequency selective channels.

About the Author: Javad Hoseyni is a PhD candidate in Digital Communication at Dalhousie university and has MASc. and BSc. In Electrical Engineering. He has an extensive knowledge of digital and analog Radio transmitters, Antenna and Class D power amplifiers. He is a professional Engineer currently holds the position of Development Engineer with Nautel Ltd.

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