Coded Modulation Systems

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Release : 2006-04-11
Genre : Technology & Engineering
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Book Rating : 920/5 ( reviews)

Coded Modulation Systems - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Coded Modulation Systems write by John B. Anderson. This book was released on 2006-04-11. Coded Modulation Systems available in PDF, EPUB and Kindle. Coded Modulation Systems is an introduction to the subject of coded modulation in digital communication. It is designed for classroom use and for anyone wanting to learn the ideas behind this modern kind of coding. Coded modulation is signal encoding that takes into account the nature of the channel over which it is used. Traditional error correcting codes work with bits and add redundant bits in order to correct transmission errors. In coded modulation, continuous time signals and their phases and amplitudes play the major role. The coding can be seen as a patterning of these quantities. The object is still to correct errors, but more fundamentally, it is to conserve signal energy and bandwidth at a given error performance. The book divides coded modulation into three major parts. Trellis coded modulation (TCM) schemes encode the points of QAM constellations; lattice coding and set-partition techniques play major roles here. Continuous-phase modulation (CPM) codes encode the signal phase, and create constant envelope RF signals. The partial-response signaling (PRS) field includes intersymbol interference problems, signals generated by real convolution, and signals created by lowpass filtering. In addition to these topics, the book covers coding techniques of several kinds for fading channels, spread spectrum and repeat-request systems. The history of the subject is fully traced back to the formative work of Shannon in 1949. Full explanation of the basics and complete homework problems make the book ideal for self-study or classroom use.

Coded-Modulation Techniques for Fading Channels

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Release : 2012-12-06
Genre : Technology & Engineering
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Book Rating : 287/5 ( reviews)

Coded-Modulation Techniques for Fading Channels - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Coded-Modulation Techniques for Fading Channels write by Seyed Hamidreza Jamali. This book was released on 2012-12-06. Coded-Modulation Techniques for Fading Channels available in PDF, EPUB and Kindle. Coded-Modulation Techniques for Fading Channels provides the reader with a sound background for the application of bandwidth-efficient coded-modulation techniques in fading channels. The book systematically presents recent developments in the field, which has grown rapidly in recent years, and provides a solid frame of reference for further research in this area. During the past decade there has been a proliferation of research in the area of bandwidth-efficient coded-modulation techniques. The primary advantage of these schemes over modulation schemes employing traditional error correcting codes is their ability to improve the performance of the communication system without bandwidth expansion. This property makes them a suitable choice for channels which are limited in both power and bandwidth. A typical example of such channels is a mobile satellite channel, where it is desired to accommodate a large number of users in a given bandwidth with a power which is constrained by the physical size of the satellite and by the vehicle's antenna. Coded-Modulation Techniques for Fading Channels is an excellent reference for researchers and practicing engineers, and may be used as a text for advanced courses on the subject.

Low Complexity and High Performance Coded Modulation Systems

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Release : 1994
Genre : Coding theory
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Book Rating : /5 ( reviews)

Low Complexity and High Performance Coded Modulation Systems - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Low Complexity and High Performance Coded Modulation Systems write by Sandeep Rajpal. This book was released on 1994. Low Complexity and High Performance Coded Modulation Systems available in PDF, EPUB and Kindle.

Modulation and Coding Techniques in Wireless Communications

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Release : 2011-02-21
Genre : Technology & Engineering
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Book Rating : 053/5 ( reviews)

Modulation and Coding Techniques in Wireless Communications - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Modulation and Coding Techniques in Wireless Communications write by Evgenii Krouk. This book was released on 2011-02-21. Modulation and Coding Techniques in Wireless Communications available in PDF, EPUB and Kindle. The high level of technical detail included in standards specifications can make it difficult to find the correlation between the standard specifications and the theoretical results. This book aims to cover both of these elements to give accessible information and support to readers. It explains the current and future trends on communication theory and shows how these developments are implemented in contemporary wireless communication standards. Examining modulation, coding and multiple access techniques, the book is divided into two major sections to cover these functions. The two-stage approach first treats the basics of modulation and coding theory before highlighting how these concepts are defined and implemented in modern wireless communication systems. Part 1 is devoted to the presentation of main L1 procedures and methods including modulation, coding, channel equalization and multiple access techniques. In Part 2, the uses of these procedures and methods in the wide range of wireless communication standards including WLAN, WiMax, WCDMA, HSPA, LTE and cdma2000 are considered. An essential study of the implementation of modulation and coding techniques in modern standards of wireless communication Bridges the gap between the modulation coding theory and the wireless communications standards material Divided into two parts to systematically tackle the topic - the first part develops techniques which are then applied and tailored to real world systems in the second part Covers special aspects of coding theory and how these can be effectively applied to improve the performance of wireless communications systems

Synchronization of Coded Modulation Systems at Low SNR

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Release : 1997
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Synchronization of Coded Modulation Systems at Low SNR - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Synchronization of Coded Modulation Systems at Low SNR write by Lijun Lu. This book was released on 1997. Synchronization of Coded Modulation Systems at Low SNR available in PDF, EPUB and Kindle.