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A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems

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A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems. / C. Zarakovitis, Charilaos; Nikolaros, Ilias; Skordoulis, Dionysios et al.
IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98. IEEE, 2010. p. 420-425.

Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSN › Conference contribution/Paper › peer-review

Harvard

C. Zarakovitis, C, Nikolaros, I, Skordoulis, D, Hadjinicolaou, M & Ni, Q 2010, A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems. in IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98. IEEE, pp. 420-425. https://doi.org/10.1109/CIT.2010.98

APA

C. Zarakovitis, C., Nikolaros, I., Skordoulis, D., Hadjinicolaou, M., & Ni, Q. (2010). A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems. In IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98 (pp. 420-425). IEEE. https://doi.org/10.1109/CIT.2010.98

Vancouver

C. Zarakovitis C, Nikolaros I, Skordoulis D, Hadjinicolaou M, Ni Q. A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems. In IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98. IEEE. 2010. p. 420-425 doi: 10.1109/CIT.2010.98

Author

C. Zarakovitis, Charilaos ; Nikolaros, Ilias ; Skordoulis, Dionysios et al. / A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems. IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98. IEEE, 2010. pp. 420-425

Bibtex

@inproceedings{a602c4335a3f40a2a229278088402122,
title = "A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems",
abstract = "The key issues in the design of a cross-layer optimization scheme for multiuser orthogonal frequency multiple access (OFDMA) systems are the optimal subcarrier, bit and rate distribution policies. In many recent researches, these allocation strategies are derived either through dynamic programming or via mathematical analysis. When the latter option is available, an additional iterative process is needed for the final solution to be obtained. This paper includes performance comparisons between the analytical and the numerical techniques as well as assessments on which of the existing iterative methods exhibits the highest effectiveness. Deductively, relying on system's evaluations, the semi-implicit root (SIR) mechanism produces the highest rapidity, precision and stability, in terms of convergence rate, root's accuracy and number of iterations.",
author = "{C. Zarakovitis}, Charilaos and Ilias Nikolaros and Dionysios Skordoulis and Marios Hadjinicolaou and Qiang Ni",
year = "2010",
month = aug,
doi = "10.1109/CIT.2010.98",
language = "English",
isbn = "978-1-4244-7547-6",
pages = "420--425",
booktitle = "IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98",
publisher = "IEEE",

}

RIS

TY - GEN

T1 - A Comparative Study on Iterative Methods Regarding Cross-Layer Optimization for OFDMA Systems

AU - C. Zarakovitis, Charilaos

AU - Nikolaros, Ilias

AU - Skordoulis, Dionysios

AU - Hadjinicolaou, Marios

AU - Ni, Qiang

PY - 2010/8

Y1 - 2010/8

N2 - The key issues in the design of a cross-layer optimization scheme for multiuser orthogonal frequency multiple access (OFDMA) systems are the optimal subcarrier, bit and rate distribution policies. In many recent researches, these allocation strategies are derived either through dynamic programming or via mathematical analysis. When the latter option is available, an additional iterative process is needed for the final solution to be obtained. This paper includes performance comparisons between the analytical and the numerical techniques as well as assessments on which of the existing iterative methods exhibits the highest effectiveness. Deductively, relying on system's evaluations, the semi-implicit root (SIR) mechanism produces the highest rapidity, precision and stability, in terms of convergence rate, root's accuracy and number of iterations.

AB - The key issues in the design of a cross-layer optimization scheme for multiuser orthogonal frequency multiple access (OFDMA) systems are the optimal subcarrier, bit and rate distribution policies. In many recent researches, these allocation strategies are derived either through dynamic programming or via mathematical analysis. When the latter option is available, an additional iterative process is needed for the final solution to be obtained. This paper includes performance comparisons between the analytical and the numerical techniques as well as assessments on which of the existing iterative methods exhibits the highest effectiveness. Deductively, relying on system's evaluations, the semi-implicit root (SIR) mechanism produces the highest rapidity, precision and stability, in terms of convergence rate, root's accuracy and number of iterations.

U2 - 10.1109/CIT.2010.98

DO - 10.1109/CIT.2010.98

M3 - Conference contribution/Paper

SN - 978-1-4244-7547-6

SP - 420

EP - 425

BT - IEEE International Conference on Computer and Information Technology (CIT), 10.1109/CIT.2010.98

PB - IEEE

ER -