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4.740  Articles
1 of 474 pages  |  10  records  |  more records»
Here, we assume the construction of cyclic codes over R={F}_{2}[u,v]/ < u^2, v^2 - v, uv - vu >. In particular, dual cyclic codes over R= {F}_{2}[u]/ <u^2> with respect to Euclidean inner product are discussed. The cyclic dual codes ... see more

Soft decision decoding (SDD) provides a better coding gain by making use of the unquantized channel output. In this paper we introduce the concept of a Reliability Level List (RLL); based on the RLL a new SDD algorithm for Binary Phase Shift Keying (BPSK)... see more

The group of characters of an elementary Abelian group  has been used to define duality between its subgroups, which in turn is extended to duality between group codes. The transform domain description of the dual codes of cyclic group codes of lengt... see more

The structures of cyclic DNA codes of odd length over the finite rings R = Z4 + wZ4, w^2 = 2 and S = Z4 + wZ4 + vZ4 + wvZ4; w^2 = 2; v^2 =v; wv = vw are studied. The links between the elements of the rings R, S and 16 and 256 codons are established, respe... see more

The phenomena of unknown gain or offset on communication systems and modern storages such as optical data storage and non-volatile memory (flash) becomes a serious problem. This problem can be handled by Pearson distance applied to the detector because it... see more

The phenomena of unknown gain or offset on communication systems and modern storages such as optical data storage and non-volatile memory (flash) becomes a serious problem. This problem can be handled by Pearson distance applied to the detector because it... see more

This article discusses linear complementary dual (LCD) codes over R = Fq+uFq(u2=1) where q is a power of an odd prime p. Authors come up with a new Gray map from Rn to F2nq and define a new class of codes obtained as the gray image of const... see more

Inspired by the Z2Z4-additive codes, linear codes over Z_{2}^r x  (Z_{2} + uZ_{2})^s have been introduced by Aydogdu et al. more recently. Although these family of codes are similar to each other, linear codes over Z_{2}^r x  (Z_{2} + uZ_{2})^s ... see more

 The object of research is the processes of error-correcting coding in telecommunication and computer systems. The main attention is paid to Reed-Solomon codes, which belong to the very widespread error-correcting codes. Despite the 60-year existence... see more

1 of 474 pages  |  10  records  |  more records»