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Joint Source Channel Decoding

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Joint Source Channel Coding of Discrete Time Signals with Continuous Amplitudes

Joint Source Channel Coding of Discrete Time Signals with Continuous Amplitudes Book
Author : Norbert Goertz
Publisher : Imperial College Press
Release : 2007
ISBN : 1860948464
Language : En, Es, Fr & De

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Book Description :

This book provides the first comprehensive and easy-to-read discussion of joint source-channel encoding and decoding for source signals with continuous amplitudes. It is a state-of-the-art presentation of this exciting, thriving field of research, making pioneering contributions to the new concept of source-adaptive modulation. The book starts with the basic theory and the motivation for a joint realization of source and channel coding. Specialized chapters deal with practically relevant scenarios such as iterative source-channel decoding and its optimization for a given encoder, and also improved encoder designs by channel-adaptive quantization or source-adaptive modulation. Although Information Theory is not the main topic of the book OCo in fact, the concept of joint source-channel coding is contradictory to the classical system design motivated by a questionable practical interpretation of the separation theorem OCo this theory still provides the ultimate performance limits for any practical system, whether it uses joint source-channel coding or not. Therefore, the theoretical limits are presented in a self-contained appendix, which is a useful reference also for those not directly interested in the main topic of this book. Sample Chapter(s). Chapter 1: Introduction (98 KB). Contents: Joint Source-Channel Coding: An Overview; Joint Source-Channel Decoding; Channel-Adaptive Scaled Vector Quantization; Index Assignments for Multiple Descriptions Vector Quantizers; Source-Adaptive Modulation; Source-Adaptive Power Allocation; Appendices: Theoretical Performance Limits; Optimal Decoder for a Given Encoder; Symbol Error Probabilities for M-PSK; Derivative of the Expected Distortion for SAM. Readership: Students at advanced undergraduate and graduate level; practitioners and academics in Electrical and Communications Engineering, Information Technology and Computer Science."

Joint Source Channel Decoding

Joint Source Channel Decoding Book
Author : Pierre Duhamel,Michel Kieffer
Publisher : Academic Press
Release : 2009-11-26
ISBN : 9780080922447
Language : En, Es, Fr & De

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Book Description :

Treats joint source and channel decoding in an integrated way Gives a clear description of the problems in the field together with the mathematical tools for their solution Contains many detailed examples useful for practical applications of the theory to video broadcasting over mobile and wireless networks Traditionally, cross-layer and joint source-channel coding were seen as incompatible with classically structured networks but recent advances in theory changed this situation. Joint source-channel decoding is now seen as a viable alternative to separate decoding of source and channel codes, if the protocol layers are taken into account. A joint source/protocol/channel approach is thus addressed in this book: all levels of the protocol stack are considered, showing how the information in each layer influences the others. This book provides the tools to show how cross-layer and joint source-channel coding and decoding are now compatible with present-day mobile and wireless networks, with a particular application to the key area of video transmission to mobiles. Typical applications are broadcasting, or point-to-point delivery of multimedia contents, which are very timely in the context of the current development of mobile services such as audio (MPEG4 AAC) or video (H263, H264) transmission using recent wireless transmission standards (DVH-H, DVB-SH, WiMAX, LTE). This cross-disciplinary book is ideal for graduate students, researchers, and more generally professionals working either in signal processing for communications or in networking applications, interested in reliable multimedia transmission. This book is also of interest to people involved in cross-layer optimization of mobile networks. Its content may provide them with other points of view on their optimization problem, enlarging the set of tools which they could use. Pierre Duhamel is director of research at CNRS/ LSS and has previously held research positions at Thomson-CSF, CNET, and ENST, where he was head of the Signal and Image Processing Department. He has served as chairman of the DSP committee and associate Editor of the IEEE Transactions on Signal Processing and Signal Processing Letters, as well as acting as a co-chair at MMSP and ICASSP conferences. He was awarded the Grand Prix France Telecom by the French Science Academy in 2000. He is co-author of more than 80 papers in international journals, 250 conference proceedings, and 28 patents. Michel Kieffer is an assistant professor in signal processing for communications at the Université Paris-Sud and a researcher at the Laboratoire des Signaux et Systèmes, Gif-sur-Yvette, France. His research interests are in joint source-channel coding and decoding techniques for the reliable transmission of multimedia contents. He serves as associate editor of Signal Processing (Elsevier). He is co-author of more than 90 contributions to journals, conference proceedings, and book chapters. Treats joint source and channel decoding in an integrated way Gives a clear description of the problems in the field together with the mathematical tools for their solution Contains many detailed examples useful for practical applications of the theory to video broadcasting over mobile and wireless networks

Iterative Joint Source Channel Decoding for H 264 Compressed Video Transmission

Iterative Joint Source Channel Decoding for H 264 Compressed Video Transmission Book
Author : Nguyen Nguyen Quang
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Iterative Joint Source Channel Decoding for H 264 Compressed Video Transmission book written by Nguyen Nguyen Quang, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Joint Source channel Decoding of Multiple Descriptions

Joint Source channel Decoding of Multiple Descriptions Book
Author : Upul Samarawickrama
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Joint Source channel Decoding of Multiple Descriptions book written by Upul Samarawickrama, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Low bit rate Joint Source channel Decoding Aided Wireless Video Communications

Low bit rate Joint Source channel Decoding Aided Wireless Video Communications Book
Author : Nasru Minallah
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Low bit rate Joint Source channel Decoding Aided Wireless Video Communications book written by Nasru Minallah, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Joint Source channel Decoding for Robust Transmission of Video

Joint Source channel Decoding for Robust Transmission of Video Book
Author : Arkady Kopansky,Maja Bystrom
Publisher : Unknown
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Joint Source channel Decoding for Robust Transmission of Video book written by Arkady Kopansky,Maja Bystrom, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Joint Source channel Decoding of Multiple Descriptions microform

Joint Source channel Decoding of Multiple Descriptions  microform  Book
Author : Samarawickrama, Upul
Publisher : Library and Archives Canada = Bibliothèque et Archives Canada
Release : 2005
ISBN : 9780494089644
Language : En, Es, Fr & De

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Book Description :

Download Joint Source channel Decoding of Multiple Descriptions microform book written by Samarawickrama, Upul, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Low Bit Rate Joint Source Channel Decoding Aided Wirless Video Communications

Low Bit Rate Joint Source Channel Decoding Aided Wirless Video Communications Book
Author : Nasru Minallah
Publisher : Unknown
Release : 2010
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Low Bit Rate Joint Source Channel Decoding Aided Wirless Video Communications book written by Nasru Minallah, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Joint Source Channel Coding Using Arithmetic Codes

Joint Source Channel Coding Using Arithmetic Codes Book
Author : Dongsheng Bi,Michael W. Hoffman,Khalid Sayood
Publisher : Morgan & Claypool Publishers
Release : 2009-09-15
ISBN : 1608451488
Language : En, Es, Fr & De

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Book Description :

Based on the encoding process, arithmetic codes can be viewed as tree codes and current proposals for decoding arithmetic codes with forbidden symbols belong to sequential decoding algorithms and their variants. In this monograph, we propose a new way of looking at arithmetic codes with forbidden symbols. If a limit is imposed on the maximum value of a key parameter in the encoder, this modified arithmetic encoder can also be modeled as a finite state machine and the code generated can be treated as a variable-length trellis code. The number of states used can be reduced and techniques used for decoding convolutional codes, such as the list Viterbi decoding algorithm, can be applied directly on the trellis. The finite state machine interpretation can be easily migrated to Markov source case. We can encode Markov sources without considering the conditional probabilities, while using the list Viterbi decoding algorithm which utilizes the conditional probabilities. We can also use context-based arithmetic coding to exploit the conditional probabilities of the Markov source and apply a finite state machine interpretation to this problem. The finite state machine interpretation also allows us to more systematically understand arithmetic codes with forbidden symbols. It allows us to find the partial distance spectrum of arithmetic codes with forbidden symbols. We also propose arithmetic codes with memories which use high memory but low implementation precision arithmetic codes. The low implementation precision results in a state machine with less complexity. The introduced input memories allow us to switch the probability functions used for arithmetic coding. Combining these two methods give us a huge parameter space of the arithmetic codes with forbidden symbols. Hence we can choose codes with better distance properties while maintaining the encoding efficiency and decoding complexity. A construction and search method is proposed and simulation results show that we can achieve a similar performance as turbo codes when we apply this approach to rate 2/3 arithmetic codes. Table of Contents: Introduction / Arithmetic Codes / Arithmetic Codes with Forbidden Symbols / Distance Property and Code Construction / Conclusion

An Enhanced Joint Source channel Decoder

An Enhanced Joint Source channel Decoder Book
Author : Karim Ali
Publisher : Unknown
Release : 2005
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

"Tandem coding and decoding has been demonstrated to yield arbitrarily low error rates provided a sufficiently large block length is used. When applied to practical systems that are inherently limited to a finite complexity and therefore to finite block lengths, such a strategy may be largely suboptimal. Indeed, a tandem decoding strategy ignores two types of information: the source memory and the residual redundancy of the source coder. Moreover, conventional source decoders, within a tandem decoding strategy, are designed to perform the inverse operation of the source coder and may severely decrease performance if errors are still present at their input. One viable alternative, that has been demonstrated to yield gains, is the design of a joint source-channel decoding scheme that would take the additional sources of redundancies---the source memory and the source coder's residual redundancy---into account." --

Joint Source channel Decoding and Its Application to MELP Encoded Speech

Joint Source channel Decoding and Its Application to MELP Encoded Speech Book
Author : Xiaobei Liu
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Joint Source channel Decoding and Its Application to MELP Encoded Speech book written by Xiaobei Liu, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Iterative Decoding Techniques for Joint Source Channel Coding

Iterative Decoding Techniques for Joint Source Channel Coding Book
Author : Anonim
Publisher : Unknown
Release : 2002
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

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Joint Source channel Decoding of Variable length Encoded Sources with Applications to Image Transmission microform

Joint Source channel Decoding of Variable length Encoded Sources with Applications to Image Transmission  microform  Book
Author : K. P. (Koduvayur Parthasarathy) Subbalakshmi
Publisher : National Library of Canada = Bibliothèque nationale du Canada
Release : 2000
ISBN : 9780612616844
Language : En, Es, Fr & De

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Book Description :

Download Joint Source channel Decoding of Variable length Encoded Sources with Applications to Image Transmission microform book written by K. P. (Koduvayur Parthasarathy) Subbalakshmi, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

High Order Joint Source Channel Decoding and Conditional Entropy Encoding

High Order Joint Source Channel Decoding and Conditional Entropy Encoding Book
Author : Anonim
Publisher : Unknown
Release : 2004
ISBN : 0987650XXX
Language : En, Es, Fr & De

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