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检索条件"主题词=Joint Source-channel coding"
621 条 记 录,以下是421-430 订阅
排序:
Resource-Scalable joint source-channel MAP and MMSE Estimation of Multiple Descriptions
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2009年 第1期57卷 279-288页
作者: Wu, Xiaolin Wang, Xiaohan Wang, Zhe McMaster Univ Dept Elect & Comp Engn Hamilton ON L8S 4K1 Canada
A joint source-channel multiple description (JSC-MD) framework for signal estimation and communication in resource-constrained lossy networks is presented. To keep the encoder complexity at a minimum, a signal is code... 详细信息
来源: 评论
Fountain Code Design for Data Multicast with Side Information
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IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 2009年 第10期8卷 5155-5165页
作者: Sejdinovic, Dino Piechocki, Robert J. Doufexi, Angela Ismail, Mohamed Univ Bristol Dept Elect & Elect Engn Ctr Commun Res Bristol Avon England Toshiba Res Europe Ltd Telecommun Res Lab Bristol Avon England
Fountain codes are a robust solution for data multi-casting to a large number of receivers which experience variable channel conditions and different packet loss rates. However, the standard fountain code design becom... 详细信息
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A Construction of channel Code, joint source-channel Code, and Universal Code for Arbitrary Stationary Memoryless channels Using Sparse Matrices
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IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES 2009年 第9期E92A卷 2333-2344页
作者: Miyake, Shigeki Muramatsu, Jun NTT Corp NTT Network Innovat Labs Yokosuka Kanagawa 2390847 Japan NTT Corp NTT Commun Sci Labs Kyoto 6190237 Japan
A channel code is constructed using sparse matrices for stationary memoryless channels that do not necessarily have a symmetric property like a binary symmetric channel. It is also shown that the constructed code has ... 详细信息
来源: 评论
joint source-channel Distortion Modeling for MPEG-4 Video
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IEEE TRANSACTIONS ON IMAGE PROCESSING 2009年 第1期18卷 90-105页
作者: Sabir, Muhammad Farooq Heath, Robert W., Jr. Bovik, Alan Conrad K WILL Corp San Jose CA 95134 USA Univ Texas Austin Dept Elect & Comp Engn Wireless Networking & Commun Grp Austin TX 78712 USA
Multimedia communication has become one of the main applications in commercial wireless systems. Multimedia sources, mainly consisting of digital images and videos, have high bandwidth requirements. Since bandwidth is... 详细信息
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Optimal Design of Sequential Real-Time Communication Systems
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IEEE TRANSACTIONS ON INFORMATION THEORY 2009年 第11期55卷 5317-5338页
作者: Mahajan, Aditya Teneketzis, Demosthenis Univ Michigan Dept Elect Engn & Comp Sci Ann Arbor MI 48109 USA
Optimal design of sequential real-time communication of a Markov source over a noisy channel is investigated. In such a system, the delay between the source output and its reconstruction at the receiver should equal a... 详细信息
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The Asymptotic Uniformity of the Output of Convolutional Codes Under Markov Inputs
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IEEE COMMUNICATIONS LETTERS 2009年 第12期13卷 944-946页
作者: Mitran, Patrick Univ Waterloo Dept Elect & Comp Engn Waterloo ON N2L 3G1 Canada
In this letter, we prove a published conjecture on the asymptotic uniformity of the outputs of a convolutional encoder under biased inputs. These results are interesting in light of recent research on joint source-cha... 详细信息
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Comment on "Parity-Check Matrix Calculation for Paraunitary Oversampled DFT Filter Banks"
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IEEE TRANSACTIONS ON SIGNAL PROCESSING 2009年 第12期57卷 4935-4936页
作者: McGee, W. F. Nepean ONT Canada
In a previous paper, Karp, Kieffer, and Duhamel have presented three methods to calculate the parity-check matrix of paraunitary oversampled DFT filter banks. Here is another.
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Policy Allocation for Transmission of Embedded Bit Streams over Noisy channels with Feedback
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IEEE TRANSACTIONS ON COMMUNICATIONS 2009年 第11期57卷 3177-3182页
作者: Qiu, Jinshi Banihashemi, Amir H. Carleton Univ BCWS Ctr Dept Syst & Comp Engn Ottawa ON K1S 5B6 Canada
An efficient policy allocation algorithm for the transmission of embedded bit streams over noisy channels with feedback is proposed. The transmission is based on the typeII hybrid ARQ/FEC protocol and uses a nested se... 详细信息
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An Improved Encoder for joint source-channel Decoder Using Conditional Entropy Constraint
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IEICE TRANSACTIONS ON COMMUNICATIONS 2009年 第6期E92B卷 2222-2225页
作者: Park, Moonseo Kim, Seong-Lyun Yonsei Univ Ind Acad Cooperat Fdn Seoul 120749 South Korea Yonsei Univ Sch Elect & Elect Engn Radio Res Management & Optimizat Lab Seoul 120749 South Korea Ajou Univ Div Elect & Comp Engn Commun Syst Lab Suwon 443749 South Korea
When the joint source-channel (JSC) decoder is used for source coding over noisy channels, the JSC decoder may invent errors even though the received data is not corrupted by the channel noise, if the JSC decoder assu... 详细信息
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COVQ for MAP Hard-Decision Demodulated channels
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IEEE COMMUNICATIONS LETTERS 2009年 第1期13卷 28-30页
作者: Saffar, Hamidreza Ebrahimzadeh Alajaji, Fady Linder, Tamas Queens Univ Dept Math & Stat Kingston ON K7L 3N6 Canada
We design a channel optimized vector quantizer (COVQ) for symbol-by-symbol maximum a posteriori (MAP) hard-decision demodulated channels. The main objective is to exploit the non-uniformity of the indices representing... 详细信息
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