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检索条件"主题词=Multilevel coding"
127 条 记 录,以下是91-100 订阅
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multilevel generalised low-density parity-check codes
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ELECTRONICS LETTERS 2006年 第3期42卷 167-168页
作者: Tee, RYS Kuo, FC Hanzo, L Univ Southampton Dept Elect & Comp Sci Southampton SO17 1BJ Hants England
multilevel coding invoking generalised low-density parity-check component codes is proposed, which is capable of outperforming the classic low-density parity check component codes at a reduced decoding latency.
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Multi-dimensional space-time multilevel codes
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IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS 2006年 第11期5卷 3287-3295页
作者: Martin, Philippa A. Rankin, David M. Taylor, Desmond P. Univ Canterbury Dept Elect & Comp Engn Christchurch 8020 New Zealand
To date there has been little work done on multilevel codes for the space-time environment. In this paper we develop multi-dimensional space-time multilevel codes (ST-MLCs). Several construction methods are proposed, ... 详细信息
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Channel combining and splitting for cutoff rate improvement
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IEEE TRANSACTIONS ON INFORMATION THEORY 2006年 第2期52卷 628-639页
作者: Arikan, E Bilkent Univ Dept Elect Elect Engn TR-06800 Ankara Turkey
The cutoff rate R-0 (W) of a discrete memoryless channel (DMC) W is often used as a figure of merit alongside the channel capacity C(W). If a channel W is split into two possibly correlated subchannels W-1, W-2, the c... 详细信息
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PERFORMANCE OF TWO LEVEL TURBO CODED 4-ARY CPFSK SYSTEMS OVER AWGN AND FADING CHANNELS
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ISTANBUL UNIVERSITY-JOURNAL OF ELECTRICAL AND ELECTRONICS ENGINEERING 2006年 第1期6卷 107-111页
作者: Odabasioglu, Niyazi Istanbul Univ Engn Fac Elect & Elect Dept TR-34320 Istanbul Turkey
This paper presents performance of two level turbo coded 4-ary continuous phase frequency shift keying. In this system,, to provide phase continuity of the transmitted signals, turbo encoder and continuous phase encod... 详细信息
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multilevel-coded QAM with MIMO turbo-equalization in broadband single-carrier signaling
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2005年 第3期54卷 954-966页
作者: Kansanen, K Schneider, C Matsumoto, T Thomä, R Univ Oulu Oulu 90014 Finland Tech Univ Ilmenau D-98684 Ilmenau Germany
A new scheme employing multilevel coded bit-interleaved transmission allowing for efficient turbo-equalization is proposed for multiple-input-multiple-output (MIMO) broadband single-carrier signaling. The proposed sch... 详细信息
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Noncoherent block-coded MPSK
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IEEE TRANSACTIONS ON COMMUNICATIONS 2005年 第6期53卷 978-986页
作者: Wei, RY Natl Cent Univ Dept Commun Engn Chungli 320 Taiwan
For coherent detection, block-coded modulation is a bandwidth efficient scheme. In this paper, we propose theorems about the error performance of block-coded modulation using M-ary phase-shift keying (MPSK) for noncoh... 详细信息
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On coded modulation using LDPC convolutional codes
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AEU-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS 2005年 第4期59卷 254-257页
作者: Pittermann, J Lentmaier, M Zigangirov, KS Univ Notre Dame Dept Elect Engn Notre Dame IN 46556 USA Univ Ulm Dept Informat Technol D-89081 Ulm Germany
A new construction combining LDPC convolutional codes and multilevel coding/modulation is suggested and analyzed. In the case of QPSK, we demonstrate that it has a better performance than an LDPC convolutional code co... 详细信息
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N/C detector and multistage receiver for coded signals over MIMO channels: performance and optimization
N/C detector and multistage receiver for coded signals over ...
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IEEE International Conference on Communications (ICC 2005)
作者: Choi, JH Univ New S Wales Sch Elect Engn & Telecomm Sydney NSW 2052 Australia
In this paper, we address some performance issues of multiple input multiple output (MIMO) channels with a nulling and cancellation (N/C) detector, which is based on the QR factorization. We find a theoretical bit err... 详细信息
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Coded modulation using superimposed binary codes
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IEEE TRANSACTIONS ON INFORMATION THEORY 2004年 第12期50卷 3331-3343页
作者: Ma, X Li, P City Univ Hong Kong Dept Elect Engn Kowloon 510275 Hong Kong Peoples R China Sun Yat Sen Univ Dept Elect & Commun Engn Guangzhou 510275 Peoples R China City Univ Hong Kong Dept Elect Engn Kowloon Hong Kong Peoples R China
In this correspondence, we investigate in a comprehensive fashion a one-layer coding/shaping scheme resembling a perfectly cooperated multiple-access system. At the transmitter, binary data are encoded by either singl... 详细信息
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Two-Level Unequal Error Protection Scheme in Image Transmission System Using multilevel Codes in Rayleigh Fading Channel
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The Journal of China Universities of Posts and Telecommunications 2004年 第z1期11卷 55-61页
作者: LI Zuo-wei~1, YANG Yi-xian~1, YUAN Dong-feng~2, HU Zheng-ming~1 1.Information Security Center,Beijing University of Posts and Telecommunications, Beijing 100876, P.R. China 2.School of Information Science and Engineering, Shandong University, Jinan 250100, P.R. China Information Security Center Beijing University of Posts and Telecommunications Beijing 100876 P.R. China School of Information Science and Engineering Shandong University Jinan 250100 P.R. China
In this paper, we propose a novel Unequal Error Protection (UEP) scheme with two levels for image transmission using multilevel Codes (MLC). By providing the best protection for the most important data, the final reco... 详细信息
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