Cooperative OFDM Underwater Acoustic Communications
Following underwater acoustic channel modeling, this book investigates the relationship between coherence time and transmission distances. It considers the power allocation issues of two typical transmission scenarios, namely short-range transmission and
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Xilin Cheng Liuqing Yang Xiang Cheng
Cooperative OFDM Underwater Acoustic Communications
Wireless Networks Series Editor: Xuemin (Sherman) Shen University of Waterloo, Waterloo, Ontario, Canada
More information about this series at http://www.springer.com/series/14180
Xilin Cheng • Liuqing Yang • Xiang Cheng
Cooperative OFDM Underwater Acoustic Communications
123
Xilin Cheng Electrical and Computer Engineering Colorado State University Fort Collins, CO, USA
Liuqing Yang Electrical and Computer Engineering Colorado State University Fort Collins, CO, USA
Xiang Cheng School of Electronics Engineering Peking University Beijing, China
ISSN 2366-1186 ISSN 2366-1445 (electronic) Wireless Networks ISBN 978-3-319-33206-2 ISBN 978-3-319-33207-9 (eBook) DOI 10.1007/978-3-319-33207-9 Library of Congress Control Number: 2016939985 © Springer International Publishing Switzerland 2016 This work is subject to copyright. All rights are reserved by the Publisher, whether the whole or part of the material is concerned, specifically the rights of translation, reprinting, reuse of illustrations, recitation, broadcasting, reproduction on microfilms or in any other physical way, and transmission or information storage and retrieval, electronic adaptation, computer software, or by similar or dissimilar methodology now known or hereafter developed. The use of general descriptive names, registered names, trademarks, service marks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. The publisher, the authors and the editors are safe to assume that the advice and information in this book are believed to be true and accurate at the date of publication. Neither the publisher nor the authors or the editors give a warranty, express or implied, with respect to the material contained herein or for any errors or omissions that may have been made. Printed on acid-free paper This Springer imprint is published by Springer Nature The registered company is Springer International Publishing AG Switzerland
Preface
The Earth is a blue planet. Approximately 71 % of the Earth’s surface is covered by ocean, which corresponds to an area of 361 million km2 and a volume of 1:3 billion km3 . Most of this vastness is unexplored and remains a mystery. To explore the intriguing world undersea, the need for robust and reliable underwater wireless networks is rapidly growing. Among the various means of communications, underwater acoustic communications (UAC) is widely considered as the most feasible option at reasonable distances. The earliest UAC arises from the military need. During World War II, UAC is used for communications among submarines, and the analog single-sideband suppressed-carrier amplitude modulation is adopted. In the 1980s, the noncoherent frequency shift keying (FSK) digital modulation is widely used. However, FSK has very low data rate. In the 1990s, to achieve higher data rate, UAC resea
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