Quasi-cyclic
Quasi-Cyclic LDPC Codes of Column-Weight Two Using a Search Algorithm
... hardware. Quasi-cyclic LDPC codes are one type of codes in which a group of rows or columns has simi- lar connections defined by ...the cyclic structure of the matrix. Examples of ...
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Quasi cyclic Random Projection Code and Hardware Implementation
... Random Projection Code (RPC) is a mechanism that combines channel coding and modulation together and realizes rate adaptation in the receiving end. Random projection code’s mapping matrix has significant influences on ...
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A construction of the high rate regular quasi cyclic LDPC codes
... Example 3: Following the scheme of [9], we first con- struct a regular ( 4095, 3367 ) EG-LDPC code over the field EG ( 2, 2 6 ) . Since we have 4095 = c × b with c = 13 and b = 315, the procedure from (4) to (8) suggests ...
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CONSTRUCTION OF REGULAR QUASI CYCLIC-LOW DENSITY PARITY CHECK CODES FROM CYCLIC CODES
... The remainder of this paper is organized as follows. On the next section, we give an introduction on cyclic, quasi-cyclic codes and BCH codes. In section 3 we present the proposed constructing method ...
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Quasi-cyclic fracture studies on narrow gap welded stainless steel straight pipes
... under quasi-cyclic ...displacement-controlled cyclic loading and load- controlled cyclic loading are ...between cyclic load amplitude (as a percentage of maximum load carrying capacity ...
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Efficient Encryption from Random Quasi-Cyclic Codes
... Finally, as for both metrics our cryptosystem will use QC-codes, we explicitly define the problem on which our cryptosystem will rely. The following Definitions describe the DSD problem in the QC configuration, and are ...
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Fourier Transforms Using Conjugacy Constarints Over Subfields For Quasi Cyclic Ldpc Codes
... A BSTRACT: Quasi cyclic low density parity ch eck co d es are b ro ad ly u s ed in man y d ig ital co mmu nication and storage systems. The operatio n s o f these en co d ers are d o n e b y u s in g g en ...
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Theory of Disk Accretion onto Magnetic Stars
... a quasi-cyclic behavior is inevitable, questions arise as to how this behavior may manifest ...The quasi-cyclic timescale is comparable to the kHz QPO timescales, but exactly how these QPOs ...
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A Simplified Improvement on the Design of QO STBC Based on Hadamard Matrices
... a quasi-cyclic matrix and con- sequently, a decoding matrix so that a diagonal matrix which permits linear decoding is ...Using quasi- cyclic matrices in designing QO-STBC systems requires ...
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Optimal Linear Codes Over GF(7) and GF(11) with Dimension 3
... In all parts of this study we followed a random process to obtain generator matrices for specified codes. For a given k and d, the length n of the optimal code can be obtained from the Griesmer bound and the existence of ...
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Cryptanalysis of a code-based one-time signature
... Roadmap. The remainder of this paper is organized as follows: Sec. 2 introduces the notations used throughout this work as long as relevant notions in coding the- ory and Lyubashevsky’s signature scheme. Sec. 3 presents ...
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ASIC Implementation of MLDD for Error Detection and Correction
... [8]. R. Meenaakshi Sundhari, et al proposed an efficient majority logic fault detection to reduce the accessing time for memory applications using the quasi cyclic LDPC codes. Exhaustive simulation test ...
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Aydin
... of cyclic codes and its various generalizations, such as constacyclic codes, quasi-cyclic (QC) codes, and quasi- twisted (QT) codes, lend themselves well to the problem of finding codes with ...
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Computable Torsion Abelian Groups
... into cyclic and quasi-cyclic ...distinct cyclic summands of the fixed decomposition of M[s] onto distinct cyclic summands of the fixed decomposition of ...
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Quantum Resistant Random Linear Code Based Public Key Encryption Scheme RLCE
... Motivated by Faugere et al’s [15] algebraic attacks against quasi-cyclic and quasi-dyadic structure based compact variants of McEliece encryption schemes, Faugere et al [14] designed an [r] ...
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MDPC-McEliece: New McEliece Variants from Moderate Density Parity-Check Codes
... a quasi-cyclic structure, our variant provides extremely com- pact keys: 4801 bits for 80-bits of ...a quasi-cyclic structure, by itself, does not imply a significant improvement for an ...a ...
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Preparation of Three-Dimensional Graphene and Myoglobin Modified Electrode for Electrocatalysis of Trichloroacetic Acid
... by cyclic voltammetric scan and the current was almost unchanged after continuous scanning for 300 cycles, indicating that Mb was stable in the membrane without loss of biological ...
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Multivalued SK-contractions with respect to b-generalized pseudodistances
... Wlodarczyk, K, Plebaniak, R, Banach, A: Best proximity points for cyclic and noncyclic set-valued relatively quasi-asymptotic contractions in uniform spaces.. Wlodarczyk, K, Plebaniak, R[r] ...
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Cyclic compatible contraction and related fixed point theorems
... Corollary . Let (X, d) be a complete metric space and A, B be non-empty closed subsets of (X, d). Suppose S and T are cyclic mappings from A ∪ B to A ∪ B such that the range of T contains the range of S. TX is ...
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Some results on best proximity point on star-shaped sets in probabilistic Banach (Menger) spaces
... Wlodarczyk, K, Plebaniak, R, Banach, A: Best proximity points for cyclic and noncyclic set-valued relatively quasi-asymptotic contractions in uniform spaces.. Wlodarczyk, K, Plebaniak, R[r] ...
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