Sequential Decoding

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A Comparison of Sequential Decoding Metrics by Computer Simulation

Author : Thomas V. Saliga
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis A Comparison of Sequential Decoding Metrics by Computer Simulation by : Thomas V. Saliga

Download or read book A Comparison of Sequential Decoding Metrics by Computer Simulation written by Thomas V. Saliga and published by . This book was released on 1969 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sequential decoding of convolutional coded data offers essentially error-free communication at rates within 1/3 of channel capacity, thus making it attractive for space and other communication systems. Sequential decoding is a sub-optimum decoding technique that sequentially estimates transmitted symbols, using an appropriate confidence measure or metric. An a posteriori probability metric has been generally employed. However, the derivation of this metric, the exact system performance, and the operational sensitivity of a sequential decoded to the choice of its metric have not been adequately treated. This paper determines a sequential decoder's performance and metric sensitivity by means of a computer simulation using two metrics: (1) A log-a-posteriori probability metric, and (2) A cross-correlation metric. Both metrics are defined, derived, and tabulated for the memory-less Gaussian channel. Simulations of a rate 1/2, constraint-length 32 coded data system are made using 16 level quantized metrics. When good metric and decoder parameters have been found, the decoder's computational load, overflow probabilities, and error probability are found as a function of channel signal-to-noise ratio, using at least 500 simulated telemetry frames per data point. It is shown that the correlation metric is inferior to the probability metric by at least 1.5 decibels and suffers a higher error rate. In addition, the correlation metric decoder degrades intolerably with 0.5 decibel signal-amplitude fluctuations, whereas the probability metric decoder is negligibly affected.

Sequential Decoding

Author : John M. Wozencraft
Publisher : MIT Press (MA)
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.:/5 (45 download)

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Book Synopsis Sequential Decoding by : John M. Wozencraft

Download or read book Sequential Decoding written by John M. Wozencraft and published by MIT Press (MA). This book was released on 1961 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Study of Sequential Decoding

Author :
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis Study of Sequential Decoding by :

Download or read book Study of Sequential Decoding written by and published by . This book was released on 1972 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sequential Decoding for Reliable Communication

Author : John McReynolds Wozencraft
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Sequential Decoding for Reliable Communication by : John McReynolds Wozencraft

Download or read book Sequential Decoding for Reliable Communication written by John McReynolds Wozencraft and published by . This book was released on 1957 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sequential Decoding with Feedback

Author : Irvin Gale Stiglitz
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Sequential Decoding with Feedback by : Irvin Gale Stiglitz

Download or read book Sequential Decoding with Feedback written by Irvin Gale Stiglitz and published by . This book was released on 1963 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Comparison of Sequential Decoding Metrics by Computer Simulation

Author : Thomas V. Saliga
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis A Comparison of Sequential Decoding Metrics by Computer Simulation by : Thomas V. Saliga

ON SEQUENTIAL DECODING.

Author : S. Lin
Publisher :
ISBN 13 :
Total Pages : 66 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis ON SEQUENTIAL DECODING. by : S. Lin

Download or read book ON SEQUENTIAL DECODING. written by S. Lin and published by . This book was released on 1967 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: By a proper selection of distance metric, it is possible to show that the average number of computations for the Wozencraft sequential decoding algorithm can be bounded independently of the code constraint length for transmission rates below a computation rate Rcomp. The bound on the probability of decoding error is proved to be similar to the bound for Fano's algorithm. A modification of the Wozencraft algorithm is presented. Use of a multiple-threshold test (MTT) enables the decoder to adjust its operation to the noise conditions. A modified search procedure is also presented. Analytical results show that this modified algorithm is comparable with Fano's algorithm in terms of the average number of computations and the probability of error. (Author).

Advanced Wireless Communications

Author : Savo G. Glisic
Publisher : John Wiley & Sons
ISBN 13 : 9780470512876
Total Pages : 890 pages
Book Rating : 4.5/5 (128 download)

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Book Synopsis Advanced Wireless Communications by : Savo G. Glisic

Download or read book Advanced Wireless Communications written by Savo G. Glisic and published by John Wiley & Sons. This book was released on 2007-06-13 with total page 890 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully revised and updated version of the successful "AdvancedWireless Communications" Wireless communications continue to attract the attention ofboth research community and industry. Since the first edition waspublished significant research and industry activities have broughtthe fourth generation (4G) of wireless communications systemscloser to implementation and standardization. "Advanced Wireless Communications" continues to provide acomparative study of enabling technologies for 4G. This secondedition has been revised and updated and now includes additionalinformation on the components of common air interface, includingthe area of space time coding , multicarrier modulation especiallyOFDM, MIMO, cognitive radio and cooperative transmission. Ideal for students and engineers in research and development inthe field of wireless communications, the second edition ofAdvanced Wireless Communications also gives an understanding tocurrent approaches for engineers in telecomm operators, governmentand regulatory institutions. New features include: Brand new chapter covering linear precoding in MIMO channelsbased on convex optimization theory. Material based on game theory modelling encompassing problemsof adjacent cell interference, flexible spectra sharing andcooperation between the nodes in ad hoc networks. Presents and discusses the latest schemes for interferencesuppression in ultra wide band (UWB) cognitive systems. Discusses the cooperative transmission and more details onpositioning.

Trellis and Turbo Coding

Author : Christian B. Schlegel
Publisher : John Wiley & Sons
ISBN 13 : 0471667838
Total Pages : 403 pages
Book Rating : 4.4/5 (716 download)

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Book Synopsis Trellis and Turbo Coding by : Christian B. Schlegel

Download or read book Trellis and Turbo Coding written by Christian B. Schlegel and published by John Wiley & Sons. This book was released on 2004-09-07 with total page 403 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trellis and turbo coding are used to compress and clean communications signals to allow greater bandwidth and clarity Presents the basics, theory, and applications of these techniques with a focus on potential standard state-of-the art methods in the future Provides a classic basis for anyone who works in the area of digital communications A Wiley-IEEE Press Publication

Digital Communications with Emphasis on Data Modems

Author : Richard W. Middlestead
Publisher : John Wiley & Sons
ISBN 13 : 0470408529
Total Pages : 836 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Digital Communications with Emphasis on Data Modems by : Richard W. Middlestead

Download or read book Digital Communications with Emphasis on Data Modems written by Richard W. Middlestead and published by John Wiley & Sons. This book was released on 2017-04-03 with total page 836 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book uses a practical approach in the application of theoretical concepts to digital communications in the design of software defined radio modems. This book discusses the design, implementation and performance verification of waveforms and algorithms appropriate for digital data modulation and demodulation in modern communication systems. Using a building-block approach, the author provides an introductory to the advanced understanding of acquisition and data detection using source and executable simulation code to validate the communication system performance with respect to theory and design specifications. The author focuses on theoretical analysis, algorithm design, firmware and software designs and subsystem and system testing. This book treats system designs with a variety of channel characteristics from very low to optical frequencies. This book offers system analysis and subsystem implementation options for acquisition and data detection appropriate to the channel conditions and system specifications, and provides test methods for demonstrating system performance. This book also: Outlines fundamental system requirements and related analysis that must be established prior to a detailed subsystem design Includes many examples that highlight various analytical solutions and case studies that characterize various system performance measures Discusses various aspects of atmospheric propagation using the spherical 4/3 effective earth radius model Examines Ionospheric propagation and uses the Rayleigh fading channel to evaluate link performance using several robust waveform modulations Contains end-of-chapter problems, allowing the reader to further engage with the text Digital Communications with Emphasis on Data Modems is a great resource for communication-system and digital signal processing engineers and students looking for in-depth theory as well as practical implementations.

Technical Report - Jet Propulsion Laboratory, California Institute of Technology

Author : Jet Propulsion Laboratory (U.S.)
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Technical Report - Jet Propulsion Laboratory, California Institute of Technology by : Jet Propulsion Laboratory (U.S.)

Download or read book Technical Report - Jet Propulsion Laboratory, California Institute of Technology written by Jet Propulsion Laboratory (U.S.) and published by . This book was released on 1967 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:

NASA Technical Report

Author : United States. National Aeronautics and Space Administration
Publisher :
ISBN 13 :
Total Pages : 822 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis NASA Technical Report by : United States. National Aeronautics and Space Administration

Download or read book NASA Technical Report written by United States. National Aeronautics and Space Administration and published by . This book was released on 1972 with total page 822 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Advances in Information Technology Research and Application: 2012 Edition

Author :
Publisher : ScholarlyEditions
ISBN 13 : 1464990506
Total Pages : 5246 pages
Book Rating : 4.4/5 (649 download)

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Book Synopsis Advances in Information Technology Research and Application: 2012 Edition by :

Download or read book Advances in Information Technology Research and Application: 2012 Edition written by and published by ScholarlyEditions. This book was released on 2012-12-26 with total page 5246 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Information Technology Research and Application / 2012 Edition is a ScholarlyEditions™ eBook that delivers timely, authoritative, and comprehensive information about Information Technology. The editors have built Advances in Information Technology Research and Application / 2012 Edition on the vast information databases of ScholarlyNews.™ You can expect the information about Information Technology in this eBook to be deeper than what you can access anywhere else, as well as consistently reliable, authoritative, informed, and relevant. The content of Advances in Information Technology Research and Application / 2012 Edition has been produced by the world’s leading scientists, engineers, analysts, research institutions, and companies. All of the content is from peer-reviewed sources, and all of it is written, assembled, and edited by the editors at ScholarlyEditions™ and available exclusively from us. You now have a source you can cite with authority, confidence, and credibility. More information is available at http://www.ScholarlyEditions.com/.

Lightwave Communications

Author : George C. Papen
Publisher : Cambridge University Press
ISBN 13 : 1108427561
Total Pages : 975 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Lightwave Communications by : George C. Papen

Download or read book Lightwave Communications written by George C. Papen and published by Cambridge University Press. This book was released on 2019-01-10 with total page 975 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rigorous and comprehensive, this pioneering text is the first to combine communications theory with the physics of optical communications.

Information Theory, Coding and Cryptography

Author : Arijit Saha
Publisher : Pearson Education India
ISBN 13 : 9332517843
Total Pages : 280 pages
Book Rating : 4.3/5 (325 download)

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Book Synopsis Information Theory, Coding and Cryptography by : Arijit Saha

Download or read book Information Theory, Coding and Cryptography written by Arijit Saha and published by Pearson Education India. This book was released on 2013 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Information Theory, Coding & Cryptography has been designed as a comprehensive book for the students of engineering discussing Source Encoding, Error Control Codes & Cryptography. The book contains the recent developments of coded modulation, trellises for codes, turbo coding for reliable data and interleaving. The text balances the mathematical rigor with exhaustive amount of solved, unsolved questions along with a database of MCQs.

Digital Communications

Author : Bernard Sklar
Publisher : Pearson
ISBN 13 : 0134588649
Total Pages : 1885 pages
Book Rating : 4.1/5 (345 download)

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Book Synopsis Digital Communications by : Bernard Sklar

Download or read book Digital Communications written by Bernard Sklar and published by Pearson. This book was released on 2021-01-27 with total page 1885 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Best-Selling Introduction to Digital Communications: Thoroughly Revised and Updated for OFDM, MIMO, LTE, and More With remarkable clarity, Drs. Bernard Sklar and fred harris introduce every digital communication technology at the heart of today's wireless and Internet revolutions, with completely new chapters on synchronization, OFDM, and MIMO. Building on the field's classic, best-selling introduction, the authors provide a unified structure and context for helping students and professional engineers understand each technology, without sacrificing mathematical precision. They illuminate the big picture and details of modulation, coding, and signal processing, tracing signals and processing steps from information source through sink. Throughout, readers will find numeric examples, step-by-step implementation guidance, and diagrams that place key concepts in clear context. Understand signals, spectra, modulation, demodulation, detection, communication links, system link budgets, synchronization, fading, and other key concepts Apply channel coding techniques, including advanced turbo coding and LDPC Explore multiplexing, multiple access, and spread spectrum concepts and techniques Learn about source coding: amplitude quantizing, differential PCM, and adaptive prediction Discover the essentials and applications of synchronization, OFDM, and MIMO technology More than ever, this is an ideal resource for practicing electrical engineers and students who want a practical, accessible introduction to modern digital communications. This Third Edition includes online access to additional examples and material on the book's website.

Algorithms for Communications Systems and their Applications

Author : Nevio Benvenuto
Publisher : John Wiley & Sons
ISBN 13 : 111956798X
Total Pages : 960 pages
Book Rating : 4.1/5 (195 download)

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Book Synopsis Algorithms for Communications Systems and their Applications by : Nevio Benvenuto

Download or read book Algorithms for Communications Systems and their Applications written by Nevio Benvenuto and published by John Wiley & Sons. This book was released on 2021-01-12 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive guide to problem-solving in the design of communications systems In Algorithms for Communications Systems and their Applications, 2nd Edition, authors Benvenuto, Cherubini, and Tomasin have delivered the ultimate and practical guide to applying algorithms in communications systems. Written for researchers and professionals in the areas of digital communications, signal processing, and computer engineering, Algorithms for Communications Systems presents algorithmic and computational procedures within communications systems that overcome a wide range of problems facing system designers. New material in this fully updated edition includes: MIMO systems (Space-time block coding/Spatial multiplexing /Beamforming and interference management/Channel Estimation) OFDM and SC-FDMA (Synchronization/Resource allocation (bit and power loading)/Filtered OFDM) Improved radio channel model (Doppler and shadowing/mmWave) Polar codes (including practical decoding methods) 5G systems (New Radio architecture/initial access for mmWave/physical channels) The book retains the essential coding and signal processing theoretical and operative elements expected from a classic text, further adopting the new radio of 5G systems as a case study to create the definitive guide to modern communications systems.