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检索条件"主题词=Joint Source-channel coding"
621 条 记 录,以下是451-460 订阅
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LP decoding for joint source-channel codes and for the non-ergodic Polya channel
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IEEE COMMUNICATIONS LETTERS 2008年 第9期12卷 678-680页
作者: Cohen, Adam Alajaji, Fady Kashyap, Navin Takahara, Glen Queens Univ Dept Math & Stat Kingston ON K7L 3N6 Canada
Linear programming (LP) decoding of low-density parity-check codes over discrete memoryless symmetric channels was introduced by Feldman et al in [1]. Here, we extend the LP decoding paradigm by applying it to two add... 详细信息
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On the distortion SNR exponent of some layered transmission schemes
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IEEE TRANSACTIONS ON INFORMATION THEORY 2008年 第7期54卷 2943-2958页
作者: Bhattad, Kapil Narayanan, Krishna R. Caire, Giuseppe Qualcomm Inc San Diego CA 92121 USA Texas A&M Univ Dept Elect & Comp Engn College Stn TX 77843 USA Univ So Calif Dept Elect Engn Viterbi Sch Engn Los Angeles CA 90089 USA
We consider the problem of joint source-channel coding for transmitting K samples of a complex Gaussian source over T = bK uses of a block-fading multiple-input multiple-output (MIMO) channel with M transmit and N rec... 详细信息
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A COVQ-Based image coder for channels with bit errors and erasures
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IEEE TRANSACTIONS ON COMMUNICATIONS 2008年 第2期56卷 161-165页
作者: Andersson, Tomas Skoglund, Mikael Royal Inst Technol Sch Elect Engn SE-10044 Stockholm Sweden
We illustrate how channel optimized vector quantization (COVQ) can be used for channels with both bit-errors and bit-erasures. First, a memoryless channel model is presented, and the performance of COVQ's trained ... 详细信息
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Robust and extreme unequal error protection scheme for the transmission of scalable data over OFDM systems
Robust and extreme unequal error protection scheme for the t...
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33rd IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Houas, Heykel Fijalkow, Inbar Baras, Cleo Univ Cergy Pontoise ENSEA CNRS ETIS UMR 8051 6 Ave Ponceau F-95014 Cergy Pontoise France Domaine Univ CNRS UMR 5216 GIPSA Lab F-38042 Grenoble France
Wireless applications are subject to the end-to-end Quality of Service (QoS) requirements. This paper presents a new resources allocation algorithm that allows to transmit scalable multimedia data over a frequency sel... 详细信息
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joint source-channel mappings for the relay channel
Joint source-channel mappings for the relay channel
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33rd IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Karlsson, Johannes Skoglund, Mikael Royal Inst Technol KTH Sch Elect Engn SE-10044 Stockholm Sweden
The three-node relay channel with a Gaussian source is studied for transmission subject to a low-delay constraint. A joint source-channel coding design algorithm is proposed and numerically evaluated. The designed sys... 详细信息
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A cheap relaying protocol for orthogonal relay channels
A cheap relaying protocol for orthogonal relay channels
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33rd IEEE International Conference on Acoustics, Speech and Signal Processing
作者: Djeumou, Brice Lasaulce, Samson Klein, Andrew G. SUPELEC LSS CNRS F-91190 Gif Sur Yvette France
The proposed relaying scheme, which is an optimized scalar quantize-and-forward (QF) protocol, has at least three attractive features: 1. it is simple;2. it exploits the signal-to-noise ratios (SNR) of the source-rela... 详细信息
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Robust image transmission strategies for fading channels
Robust image transmission strategies for fading channels
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3rd International Conference on Information and Communication Technologies
作者: Boeglen, Herve Haeberle, Olivier Chatellier, Christian Olivier, Christian IUT Mulhouse Lab MIPS LABEL 61 Rue Albert Camus F-68093 Mulhouse France UMR CNRS 6172 Lab SIC XLIM F-86962 Futuroscope France
The aim of this paper is to present a robust still-image transmission scheme and show its performance when used on a frequency flat fading channel. By following a joint source-channel coding approach, it is shown that... 详细信息
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Lattice-Based Precoding And Decoding in MIMO Fading Systems
Lattice-Based Precoding And Decoding in MIMO Fading Systems
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作者: Taherzadeh, Mahmoud University of Waterloo
学位级别:master
In this thesis, different aspects of lattice-based precoding and decoding for the transmission of digital and analog data over MIMO fading channels are investigated:1) Lattice-based precoding in MIMO broadcast systems... 详细信息
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Dynamic Rate Allocation with Variable Quantization in Multi-Sensor Wyner-Ziv Video coding Systems
Dynamic Rate Allocation with Variable Quantization in Multi-...
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3rd International Symposium on Communications, Control, and Signal Processing (ISCCSP 2008), vol.1
作者: C. Yaacoub J. Farah B. Pesquet-Popescu Faculty of Sciences and Computer Engineering Holy Spirit University of Kaslik Jounieh Lebanon Department of Signal and Image Processing Ecole Nationale Supérieure des TéIécommunications Paris France
In this paper, we present a novel algorithm for dynamic quantization in distributed Wyner-Ziv video coding. In contrast with previous work where the quantization parameter is fixed and a feedback channel is used, our ... 详细信息
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Determination of optimal distortion-based protection in progressive image transmission: A heuristic approach
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2008年 第9期17卷 1654-1662页
作者: Fresia, Maria Lavagetto, Fabio Princeton Univ Dept Elect Engn Princeton NJ 08544 USA Univ Genoa Dept Commun Comp & Syst Sci I-16100 Genoa Italy
In this paper, we describe a method for fast determination of distortion-based optimal unequal error protection (UEP) of bitstreams generated by embedded image coders and transmitted over memoryless noisy channels. Th... 详细信息
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