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Delay-Doppler Communications
Principles and Applications
A complete reference of delay-Doppler communications that covers principles and applications.
Yi Hong (Author), Tharaj Thaj (Author), Emanuele Viterbo (Author)
9780323850285, Elsevier Science
Paperback / softback, published 9 March 2022
260 pages
22.9 x 15.2 x 1.7 cm, 0.34 kg
"The book is written in a very clear style, and allows somebody not familiar with OTFS to quickly understand the essentials of this exciting new topic. Even active researchers in the field will appreciate the clear and consistent description and the extensive intuitive explanations of the finer points of OTFS. The authors have done an excellent job in focusing on the key formulations and their interpretations, and making the book concise (some 250 pages), while also providing extensive references that enable looking up specialized developments. This valuable book will certainly benefit anyone working in the vibrant area of waveform design for 6G." --Andreas F. Molisch
Orthogonal Frequency Division Multiplexing (OFDM) has been the waveform of choice for most wireless communications systems in the past 25 years. This book addresses the “what comes next?? question by presenting the recently proposed waveform known as Orthogonal Time-Frequency-Space (OTFS), which offers a better alternative for high-mobility environments. The OTFS waveform is based on the idea that the mobile wireless channels can be effectively modelled in the delay-Doppler domain. This domain provides a sparse representation closely resembling the physical geometry of the wireless channel. The key physical parameters such as relative velocity and distance of the reflectors with respect to the receiver can be considered roughly invariant in the duration of a frame up to a few milliseconds. This enables the information symbols encoded in the delay-Doppler domain to experience a flat fading channel even when they are affected by multiple Doppler shifts present in high-mobility environments. Delay-Doppler Communications: Principles and Applications covers the fundamental concepts and the underlying principles of delay-Doppler communications. Readers familiar with OFDM will be able to quickly understand the key differences in delay-Doppler domain waveforms that can overcome some of the challenges of high-mobility communications. For the broader readership with a basic knowledge of wireless communications principles, the book provides sufficient background to be self-contained. The book provides a general overview of future research directions and discusses a range of applications of delay-Doppler domain signal processing.
1. Introduction
2. High-mobility wireless channels
3. OFDM review and its limitations
4. Delay-Doppler modulation
5. Zak transform analysis for delay-Doppler communications
6. Detection methods
7. Channel estimation methods
8. MIMO and multiuser OTFS
9. Conclusions and future directions
Appendix
A: Notation and acronyms
B: Some useful matrix properties
C: Some MATLAB code and examples
Please visit the book's companion site for additional materials (MATLAB package code):
https://www.elsevier.com/books-and-journals/book-companion/9780323850285
(copy and paste the URL to your browser and search or reach it through the hyperlink available in the Resources box).
Subject Areas: WAP [wireless technology TJKW], Communications engineering / telecommunications [TJK]
