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检索条件"主题词=Binary reflected Gray code"
13 条 记 录,以下是1-10 订阅
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On the optimality of the binary reflected gray code
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IEEE TRANSACTIONS ON INFORMATION THEORY 2004年 第12期50卷 3170-3182页
作者: Agrell, E Lassing, J Ström, EG Ottosson, T Chalmers Univ Technol Dept Signals & Syst Commun Syst Grp Gothenburg Sweden
This paper concerns the problem of selecting a binary labeling for the signal constellation in M-PSK, M-PAM, and M-QAM communication systems. gray labelings are discussed and the original work by Frank gray is analyze... 详细信息
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Flip-swap languages in binary reflected gray code order
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THEORETICAL COMPUTER SCIENCE 2022年 933卷 138-148页
作者: Sawada, Joe Williams, Aaron Wong, Dennis Univ Guelph Comp & Informat Sci Guelph ON Canada Williams Coll Comp Sci Williamstown MA 01267 USA Macao Polytech Univ Fac Appl Sci Macau Peoples R China
A flip-swap language is a set S of binary strings of length n such that S boolean OR {0(n)} is closed under two operations (when applicable): (1) Flip the leftmost 1;and (2) Swap the leftmost 1 with the bit to its rig... 详细信息
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Recursive and iterative approaches to generate rotation gray codes for stamp foldings and semi-meanders
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THEORETICAL COMPUTER SCIENCE 2025年 1031卷
作者: Liu, Bowie Wong, Dennis Lam, Chan-Tong Im, Marcus Macao Polytech Univ Fac Appl Sci Macao Special Adm Reg China Macau 999078 Macao Peoples R China
We first present a simple recursive algorithm that generates cyclic rotation gray codes for stamp foldings and semi-meanders, where consecutive strings differ by a stamp rotation. These are the first known gray codes ... 详细信息
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gray coding for multilevel constellations in Gaussian noise
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IEEE TRANSACTIONS ON INFORMATION THEORY 2007年 第1期53卷 224-235页
作者: Agrell, Erik Lassing, Johan Strom, Erik G. Ottosson, Tony Chalmers Univ Technol Commun Syst Grp Dept Signals & Syst S-41296 Gothenburg Sweden Qamcom Technol S-42130 Vastra Frolunda Sweden
The problem of finding the optimal labeling (bit-to-symbol mapping) of multilevel coherent phase shift keying (PSK), pulse amplitude modulation (PAM), and quadrature amplitude modulation (QAM) constellations with resp... 详细信息
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Whole mirror duplication-random loss model and pattern avoiding permutations
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INFORMATION PROCESSING LETTERS 2010年 第11期110卷 474-480页
作者: Baril, Jean-Luc Vernay, Remi Univ Bourgogne UMR CNRS LE21 5158 F-21078 Dijon France
In this paper we study the problem of the whole mirror duplication-random loss model in terms of pattern avoiding permutations. We prove that the class of permutations obtained with this model after a given number p o... 详细信息
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On Optimal TCM Encoders
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IEEE TRANSACTIONS ON COMMUNICATIONS 2013年 第6期61卷 2178-2189页
作者: Alvarado, Alex Graell i Amat, Alexandre Brannstrom, Fredrik Agrell, Erik Univ Cambridge Dept Engn Cambridge CB2 1TN England Chalmers Dept Signals & Syst S-41296 Gothenburg Sweden
An asymptotically optimal trellis-coded modulation (TCM) encoder requires the joint design of the encoder and the binary labeling of the constellation. Since analytical approaches are unknown, the only available solut... 详细信息
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Bit error probability of coherent M-ary PSK over flat Rayleigh fading channels
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ELECTRONICS LETTERS 2005年 第21期41卷 1186-1187页
作者: Lassing, J Ström, EG Agrell, E Ottosson, T Qamcom Technol SE-42130 Vastra Frolunda Sweden Chalmers Univ Technol Commun Syst Grp S-41296 Gothenburg Sweden
Systems using coherent multilevel PSK to communicate over flat Rayleigh fading channels are considered. Presented is a closed-form expression for the exact bit error probability when the binary reflected gray code is ... 详细信息
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On the Exact BER of Bit-Wise Demodulators for One-Dimensional Constellations
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IEEE TRANSACTIONS ON COMMUNICATIONS 2013年 第4期61卷 1450-1459页
作者: Ivanov, Mikhail Brannstrom, Fredrik Alvarado, Alex Agrell, Erik Chalmers Univ Technol Dept Signals & Syst SE-41596 Gothenburg Sweden Univ Cambridge Dept Engn Cambridge CB2 1PZ England
The optimal bit-wise demodulator for M-ary pulse amplitude modulation (PAM) over the additive white Gaussian noise channel is analyzed in terms of uncoded bit-error rate (BER). The BER analysis is based on studying th... 详细信息
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On BICM Receivers for TCM Transmission
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IEEE TRANSACTIONS ON COMMUNICATIONS 2011年 第10期59卷 2692-2702页
作者: Alvarado, Alex Szczecinski, Leszek Agrell, Erik Chalmers Univ Technol Dept Signals & Syst SE-41296 Gothenburg Sweden INRS EMT Inst Natl Rech Sci Montreal PQ H5A 1K6 Canada
Recent results have shown that the performance of bit-interleaved coded modulation (BICM) using convolutional codes in nonfading channels can be significantly improved when the interleaver takes a trivial form (BICM-T... 详细信息
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Linearly Separable Subcode: A Novel Output Label with High Separability for Biometric Discretization
Linearly Separable SubCode: A Novel Output Label with High S...
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5th IEEE Conference on Industrial Electronics and Applications
作者: Lim, Meng-Hui Teoh, Andrew Beng Jin Yonsei Univ Sch Elect & Elect Engn Coll Engn Seoul 120749 South Korea
Separability in a code is crucial for guaranteeing a decent separation between multiple classes in terms of Hamming distance. In biometric discretization, this property is of particular useful for preserving dissimila... 详细信息
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