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检索条件"主题词=multilevel coding"
125 条 记 录,以下是51-60 订阅
排序:
Optimization of the Non-Linearity Tolerant 4D Geometric Shaped Constellations for Optical Fiber Communication Systems Using Neural Networks
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JOURNAL OF LIGHTWAVE TECHNOLOGY 2024年 第2期42卷 670-680页
作者: Soleimanzade, Amirhosein Ardakani, Masoud Ebrahimzad, Hamid Univ Alberta Dept Elect & Comp Engn Edmonton AB T6G 2R3 Canada Huawei Technol Canada Co Ltd Ottawa ON N2L 0A4 Canada
We propose a novel 4D geometric shaping (GS) method based on multilevel coding (MLC) for optical fiber communication systems that mitigates fiber non-linearity. To design non-linearity tolerant 4D constellations, non-... 详细信息
来源: 评论
Adaptive Generator Sequence Selection in multilevel Space-Time Trellis Codes
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WIRELESS PERSONAL COMMUNICATIONS 2014年 第4期75卷 1851-1862页
作者: Jain, Dharmvir Sharma, Sanjay Thapar Univ Dept Elect & Commun Engn Patiala Punjab India
It has been shown that multilevel space-time trellis codes (MLSTTCs) designed by combining multilevel coding (MLC) with space-time trellis codes (STTCs) can provide improvement in diversity gain and coding gain of the... 详细信息
来源: 评论
multilevel LDPC-Coded High-Speed Optical Systems: Efficient Hard Decoding and Code Optimization
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IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS 2010年 第5期16卷 1268-1279页
作者: Gong, Chen Wang, Xiaodong Columbia Univ Dept Elect Engn New York NY 10027 USA
We consider a multilevel coding scheme employing low-density parity-check (LDPC) codes and high-order modulations for high-speed optical transmissions, where the coherent receiver performs either parallel independent ... 详细信息
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Blind equalization of multilevel turbo coded-continuous phase frequency shift keying over MIMO channels
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INTERNATIONAL JOURNAL OF COMMUNICATION SYSTEMS 2007年 第1期20卷 103-119页
作者: Osman, Onur Istanbul Commerce Univ TR-34378 Istanbul Turkey
In this paper, multilevel turbo coded-continuous phase frequency shift keying (MLTC-CPFSK) is introduced and its bit error performance in multiple input multiple output (MIMO) facling channels are investigated conside... 详细信息
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Generalised concatenation of encoded Gaussian filtered continuous phase modulation
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IEE PROCEEDINGS-COMMUNICATIONS 2000年 第4期147卷 205-210页
作者: Bossert, M Shavgulidze, S Häutle, A Dieterich, H Univ Ulm Dept Informat Technol D-89081 Ulm Germany Georgian Tech Univ Dept Digital Commun Theory GE-380075 Tbilisi Georgia
The authors introduce the construction of generalised concatenated (multilevel) encoded Gaussian filtered CPM systems. It is shown that the constructed multilevel codes may operate with coherent and noncoherent demodu... 详细信息
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Coded modulation for noncoherent reception with application to OFDM
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IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY 2001年 第4期50卷 910-919页
作者: Fischer, RFH Lampe, LHJ Müller-Weinfurtner, SH Univ Erlangen Nurnberg Lab Nachrichtentech D-91058 Erlangen Germany AT&T Labs Res Middletown NJ 07748 USA
Power- and bandwidth-efficient differentially encoded transmission over slowly time-varying fading channels with noncoherent reception and without channel state information is considered. For high bandwidth efficienci... 详细信息
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Experimental Demonstration of Rate-Adaptive Concatenated Codes for Flexible Optical Networks
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IEEE PHOTONICS TECHNOLOGY LETTERS 2021年 第24期33卷 1447-1450页
作者: Mehmood, Tayyab Yankov, Metodi P. Hansen, Henrik E. Forchhammer, Soren Tech Univ Denmark Dept Photon Engn DK-2800 Lyngby Denmark
We experimentally demonstrate a rate-adaptive concatenated forward error correction (FEC) scheme to minimize the information rate loss due to varying channel conditions. The concatenated coding scheme is based on inne... 详细信息
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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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Efficient LLR estimation for multistage decoding
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ELECTRONICS LETTERS 2015年 第14期51卷 1076-1077页
作者: Al Bechlawi, C. Guilloud, F. Telecom Bretagne Brest France
multilevel coding (MLC) provides a low-complexity encoding scheme for lattices obtained via construction D. On the other hand, multistage decoding is also a practical decoding scheme for MLC provided that the underlyi... 详细信息
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A Density Evolution Based Framework for Dirty-Paper Code Design Using TCQ and multilevel LDPC Codes
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IEEE COMMUNICATIONS LETTERS 2012年 第10期16卷 1544-1547页
作者: Yang, Yang Xiong, Zixiang Wu Yu-chun Zhang, Philipp Texas A&M Univ Dept ECE College Stn TX 77843 USA Huawei Hisi Adv Res Dept Beijing Peoples R China
We propose a density evolution based dirty-paper code design framework that combines trellis coded quantization with multi-level low-density parity-check (LDPC) codes. Unlike existing design techniques based on Gaussi... 详细信息
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