Zobrazeno 1 - 10
of 75
pro vyhledávání: '"Daniela Tarniceriu"'
Autor:
Lucian Trifina, Daniela Tarniceriu
Publikováno v:
IEEE Access, Vol 6, Pp 37893-37909 (2018)
For selecting appropriate permutation polynomials (PPs) in practical applications, it is necessary to know the coefficients of the polynomial since a brute-force exhaustive search is impractical when the number of PPs is large. Previous results give
Externí odkaz:
https://doaj.org/article/397689e0840640769877e80d91992c60
Publikováno v:
Entropy, Vol 22, Iss 1, p 78 (2020)
In this paper, we obtain upper bounds on the minimum distance for turbo codes using fourth degree permutation polynomial (4-PP) interleavers of a specific interleaver length and classical turbo codes of nominal 1/3 coding rate, with two recursive sys
Externí odkaz:
https://doaj.org/article/5fa962894e5b48c8833f1a0a4c7d549e
Autor:
Lucian Trifina, Daniela Tarniceriu
Publikováno v:
Mathematics, Vol 7, Iss 11, p 1018 (2019)
In this paper, we have obtained the prime factorization form of positive integers N for which the number of true different fourth- and fifth-degree permutation polynomials (PPs) modulo N is equal to zero. We have also obtained the prime factorization
Externí odkaz:
https://doaj.org/article/44ab23b0aa07442a8d6786f4494ee2f4
Autor:
Valeriu MUNTEANU, Daniela TARNICERIU
Publikováno v:
Analele Universităţii "Dunărea de Jos" Galaţi: Fascicula III, Electrotehnică, Electronică, Automatică, Informatică, Vol 2006, Iss 1, Pp 33-37 (2006)
In this paper we perform the encoding for sources which are only qualitatively characterized, that is, each message the source delivers possesses a certain quality, expressed as cost, importance or utility. The proposed encoding procedure is an optim
Externí odkaz:
https://doaj.org/article/a9e055bf34884b94bedef3e5d48d3f28
Publikováno v:
Analele Universităţii "Dunărea de Jos" Galaţi: Fascicula III, Electrotehnică, Electronică, Automatică, Informatică, Vol 2006, Iss 1, Pp 19-23 (2006)
In order to improve the compression rate for comparable values of error metrics, we propose a method to modify the standard quantization matrix used in JPEG, according to image frequency content. Unlike the method which allows varying levels of image
Externí odkaz:
https://doaj.org/article/bbe8151bd1e74bdb93e2fa2a855f8fb3
Publikováno v:
Telecommunication Systems. 76:423-447
Analysis of error correction performance for error correcting codes is very important when using such codes in digital communication systems. At medium-to-high signal-to-noise ratios, the distance spectrum of the error correcting code represents a go
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::989f2a12db022a63e75b7575e23f414a
https://doi.org/10.1007/s11235-020-00723-4
https://doi.org/10.1007/s11235-020-00723-4
Publikováno v:
Journal of the Franklin Institute. 357:3097-3112
The objective of this paper is to find an upper bound on the minimum distance for turbo codes with true cubic permutation polynomial (CPP) interleavers for some particular interleaver lengths. The method we have used consists in proofing that, for th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::617d80886f81774c3568aebd1e904b34
https://doi.org/10.1016/j.jfranklin.2020.02.031
https://doi.org/10.1016/j.jfranklin.2020.02.031
Publikováno v:
AppliedMath, Vol 4, Iss 1, Pp 383-393 (2024)
In this paper, we address the inverse of a true fourth-degree permutation polynomial (4-PP), modulo a positive integer of the form 32kLΨ, where kL∈{1,3} and Ψ is a product of different prime numbers greater than three. Some constraints are consid
Externí odkaz:
https://doaj.org/article/3b648644ada14a7dbb034c28bc0ec281
Autor:
Daniela Tarniceriu, Lucian Trifina
Publikováno v:
Journal of the Franklin Institute. 356:3139-3168
Using more processors for parallel turbo decoding is an important issue to speed up the processing at the receiver of a communication system. Butterfly networks used to map the addresses of extrinsic values represent an elegant and simple solution in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaf86cf574653a42cd55ddf14cfe8d0b
https://doi.org/10.1016/j.jfranklin.2018.12.018
https://doi.org/10.1016/j.jfranklin.2018.12.018
Autor:
Lucian Trifina, Daniela Tarniceriu
Publikováno v:
Telecommunication Systems. 70:141-158
In the original version of this article, unfortunately, there are mistakes in some formulas for determining the number of true different cubic, fourth degree, and fifth degree permutation polynomial based interleavers under Zhao and Fan sufficient co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a25aa90d86ced4f28ed4f46e881530fa
https://doi.org/10.1007/s11235-018-0528-z
https://doi.org/10.1007/s11235-018-0528-z