Energy and spectral efficiency trade-off in OCDMA-PON assisted by non-linear programming methods

Two important metrics for performance evaluation in optical code division multiple access networks (OCDMA) are energy efficiency (EE) and spectral efficiency (SE). Both metrics are investigated in this work through the bi-objective optimization approach by analyzing the trade-off between SE and EE....

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Veröffentlicht in:	Computer networks (Amsterdam, Netherlands : 1999) Jg. 189; S. 107920
Hauptverfasser:	Pendeza Martinez, Cristiane A., Abrão, Taufik, Martinez, André Luís Machado
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Amsterdam Elsevier B.V 22.04.2021 Elsevier Sequoia S.A
Schlagworte:	Bi-objective optimization (BOO) Code Division Multiple Access Convexity Efficiency Energy Energy conversion efficiency Energy efficiency Exhaustive search (ES) Linear programming Majoration–minimization (maMi) Minimization Networks Nonlinear programming Objectives OCDMA networks Optimization Performance evaluation Quadratic programming Quality of service architectures Resource efficiency (RE) Sequential quadratic programming (SQP) Spectral efficiency (SE) Tradeoffs Weighted sum method (WS) Weighted sum method (WS) Sequential quadratic programming (SQP) Spectral efficiency (SE) Resource efficiency (RE) OCDMA networks Majoration–minimization (maMi) Exhaustive search (ES) Bi-objective optimization (BOO)
ISSN:	1389-1286, 1872-7069
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Abstract	Two important metrics for performance evaluation in optical code division multiple access networks (OCDMA) are energy efficiency (EE) and spectral efficiency (SE). Both metrics are investigated in this work through the bi-objective optimization approach by analyzing the trade-off between SE and EE. We first formulate the SE–EE optimization as a bi-objective optimization (BOO) problem with minimum rate requirement constraints. Then, considering the non-convexity of the BOO problem, it is converted into a single-objective optimization (SOO) problem by utilizing weighted sum method. Nonlinear programming methods as sequential quadratic programming method (SQP) and majoration–minimization (MaMi) are applied to solve the BOO problem, with QoS guarantees for the OCDMA networks. Resource efficiency (RE) is able to explore the trade-off between EE and SE in OCDMA networks. The optimization methods were applied and their performance-complexity trade-offs are compared with the exhaustive search (ES) method. Numerical results were performed considering practical and realistic scenarios, including a wide range of nodes, while the solutions obtained by the methods are represented in the Pareto front.
AbstractList	Two important metrics for performance evaluation in optical code division multiple access networks (OCDMA) are energy efficiency (EE) and spectral efficiency (SE). Both metrics are investigated in this work through the bi-objective optimization approach by analyzing the trade-off between SE and EE. We first formulate the SE–EE optimization as a bi-objective optimization (BOO) problem with minimum rate requirement constraints. Then, considering the non-convexity of the BOO problem, it is converted into a single-objective optimization (SOO) problem by utilizing weighted sum method. Nonlinear programming methods as sequential quadratic programming method (SQP) and majoration–minimization (MaMi) are applied to solve the BOO problem, with QoS guarantees for the OCDMA networks. Resource efficiency (RE) is able to explore the trade-off between EE and SE in OCDMA networks. The optimization methods were applied and their performance-complexity trade-offs are compared with the exhaustive search (ES) method. Numerical results were performed considering practical and realistic scenarios, including a wide range of nodes, while the solutions obtained by the methods are represented in the Pareto front.
ArticleNumber	107920
Author	Pendeza Martinez, Cristiane A. Abrão, Taufik Martinez, André Luís Machado
Author_xml	– sequence: 1 givenname: Cristiane A. orcidid: 0000-0003-3891-744X surname: Pendeza Martinez fullname: Pendeza Martinez, Cristiane A. email: crismartinez@utfpr.edu.br organization: Academic Department of Mathematics, Universidade Tecnológica Federal do Paraná - Campus Cornélio Procópio, Avenida Alberto Carazzai, 1640, CEP: 86300-000, Cornélio Procópio, PR, Brazil – sequence: 2 givenname: Taufik orcidid: 0000-0001-8678-2805 surname: Abrão fullname: Abrão, Taufik email: taufik@uel.br organization: Department of Electrical Engineering, Londrina State University, Rod. Celso Garcia Cid - PR445, Po. Box 10.011, CEP: 86057-970, Londrina, PR, Brazil – sequence: 3 givenname: André Luís Machado orcidid: 0000-0003-1888-648X surname: Martinez fullname: Martinez, André Luís Machado email: martinez@utfpr.edu.br organization: Academic Department of Mathematics, Universidade Tecnológica Federal do Paraná - Campus Cornélio Procópio, Avenida Alberto Carazzai, 1640, CEP: 86300-000, Cornélio Procópio, PR, Brazil
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Cites_doi	10.1016/j.phycom.2018.09.006 10.1016/j.aeue.2018.11.007 10.1016/j.comcom.2018.08.005 10.1016/j.comnet.2020.107389 10.1016/j.pmcj.2019.101066 10.1109/JLT.2015.2390773 10.1016/j.heliyon.2020.e03772 10.1007/s11107-011-0370-7 10.1016/j.osn.2014.02.001 10.1109/JSYST.2014.2345665 10.1109/ICCChina.2018.8641176 10.1109/TWC.2014.2316791 10.1016/j.procs.2020.06.128 10.1016/j.yofte.2017.09.018 10.1109/ICCCAS.2006.285033 10.1109/TSP.2016.2601299 10.1109/GlobalSIP45357.2019.8969518 10.1016/j.yofte.2019.102072 10.1109/TVT.2015.2425934 10.1016/j.aeue.2017.12.015 10.1016/j.dsp.2018.10.002 10.1109/TVT.2016.2565539
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Keywords	Weighted sum method (WS) Sequential quadratic programming (SQP) Spectral efficiency (SE) Resource efficiency (RE) OCDMA networks Majoration–minimization (maMi) Exhaustive search (ES) Bi-objective optimization (BOO)
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Snippet	Two important metrics for performance evaluation in optical code division multiple access networks (OCDMA) are energy efficiency (EE) and spectral efficiency...
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SubjectTerms	Bi-objective optimization (BOO) Code Division Multiple Access Convexity Efficiency Energy Energy conversion efficiency Energy efficiency Exhaustive search (ES) Linear programming Majoration–minimization (maMi) Minimization Networks Nonlinear programming Objectives OCDMA networks Optimization Performance evaluation Quadratic programming Quality of service architectures Resource efficiency (RE) Sequential quadratic programming (SQP) Spectral efficiency (SE) Tradeoffs Weighted sum method (WS)
Title	Energy and spectral efficiency trade-off in OCDMA-PON assisted by non-linear programming methods
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