Authors:
- Describes both single input single output (SISO) and wireless multiple input multiple output (MIMO) systems
- Offers comprehensive coverage of the theory of time-variant systems
- Includes all mathematical derivations and proofs
- Also suitable as a resource for self-study
Part of the book series: Signals and Communication Technology (SCT)
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Table of contents (25 chapters)
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Front Matter
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Digital Communications Over Single Input Single Output Channels
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Front Matter
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Theory of Linear Time-Variant Systems
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Front Matter
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Multiple Input Multiple Output Wireless Transmission
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Front Matter
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About this book
This book offers students, scientists and engineers an extensive introduction to the theoretical fundamentals of digital communications, covering single input single output (SISO), multiple input multiple output (MIMO), and time-variant systems. Further, the main content is supplemented by a wealth of representative examples and computer simulations.
The book is divided into three parts, the first of which addresses the principles of wire-line and wireless digital transmission over SISO links. Digital modulation, intersymbol interference, and various detection methods are discussed; models for realistic time-variant, wireless channels are introduced; and the equivalent time-variant baseband system model is derived.
Since not all readers may be familiar with this topic, Part II is devoted to the theory of linear time-variant systems. The generalized convolution is derived and readers are introduced to impulse response, the delay spread function, and system functions in the frequency domain. In addition, randomly changing systems are discussed.
In turn, Part III deals with MIMO systems. It describes MIMO channel models with and without spatial correlation, including the Kronecker model. Both linear and nonlinear MIMO receivers are investigated. The question of how many bits per channel use can be transmitted is answered and maximizing channel capacity is addressed. Principles of space–time coding are outlined in order to improve transmission quality and increase data rates. In closing, the book describes multi-user MIMO schemes, which reduce interference when multiple users in the same area transmit their signals in the same time slots and frequency bands.
Keywords
- Intersymbol interference reduction
- Equivalent time-variant baseband system
- Nyquist criterion for data transmission
- Maximum likelihood detection
- Symbol-by-symbol and sequence detection
- Viterbi algorithm
- Multipath wireless channel
- Rayleigh fading channel
- Random variables and noise in communications
- Mathematical description of time-variant systems
- Time-variant generalized convolution
- Time-variant impulse response
- Time-variant transfer function
- Wide-sense stationary uncorrelated scattering
- Frequency flat MIMO channel matrix
- Zero-forcing and minimum mean squared error receiver
- MIMO system with precoding
- MIMO channel capacity
- Space-time coding
- Multi-user MIMO and multi-user interference
Authors and Affiliations
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Institute of Telecommunications, University of Stuttgart, Stuttgart, Baden-Wurttemberg, Germany
Joachim Speidel
About the author
From 1980-1992 he worked for Philips Kommunikations Industrie AG (today Alcatel Lucent). In 1985, while working as a development engineer, he and his team built the first video encoder for 2 megabit/s and played an important role in the standardization of new methods. His work in research and development covers a wide range of areas such as video and subscriber systems. During his time at Philips he held various positions including development engineer, lab manager, general manager and director of a product area.
In 1992 he became a Professor at the faculty of Computer Science, Electrical Engineering and Information Technology at the University of Stuttgart and was appointed Director of the Institute of Telecommunications. His research area includes telecommunications in wireless, fixed, electrical andoptical networks with focus on encoding, modulation, detection and MIMO systems. In 2013 he passed on leadership of the institute to his sucessor, Prof. Dr.-Ing Stephan ten Brink, and now maintains a research professorship at the institute.
Through his numerous publications and patents, Prof. Dr. Speidel has made extensive contributions in the advancement of the field of telecommunications, the success of its products and international standards. He is a member of various national and international organisations and advisory and review boards.Bibliographic Information
Book Title: Introduction to Digital Communications
Authors: Joachim Speidel
Series Title: Signals and Communication Technology
DOI: https://doi.org/10.1007/978-3-030-00548-1
Publisher: Springer Cham
eBook Packages: Engineering, Engineering (R0)
Copyright Information: Springer Nature Switzerland AG 2019
Softcover ISBN: 978-3-030-13123-4Published: 10 December 2019
eBook ISBN: 978-3-030-00548-1Published: 24 September 2018
Series ISSN: 1860-4862
Series E-ISSN: 1860-4870
Edition Number: 1
Number of Pages: XVII, 330
Number of Illustrations: 41 b/w illustrations, 28 illustrations in colour
Topics: Wireless and Mobile Communication, Information and Communication, Circuits