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A continuous DC programming approach for resource allocation in OFDMA/TDD wireless networks.

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Title: A continuous DC programming approach for resource allocation in OFDMA/TDD wireless networks.
Authors: Nam, Nguyen Canh1 nam.nguyencanh@hust.edu.vn, Hoai, Pham Thi1 hoai.phamthi@hust.edu.vn
Source: Computers & Operations Research. Jun2017, Vol. 82, p95-101. 7p.
Subjects: Distributed computing software, Resource allocation, Telecommunications devices for the deaf, IEEE 802.16 (Standard), Branch & bound algorithms
Abstract: The next generation broadband wireless networks deploys OFDM/OFDMA as the enabling technologies for broadband data transmission with QoS capabilities. Many optimization problems have arisen in the conception of such a network. This article studies an optimization problem in resource allocation. By using mathematical modeling technique we formulate the considered problem as a pure integer linear program. This problem is reformulated as a DC (Difference of Convex functions) program via an exact penalty technique. We then propose a continuous approach for its resolution. Our approach is based on DC programming and DCA (DC Algorithm). It works in a continuous domain, but provides integer solutions. To check globality of computed solutions, a global method combining DCA with a well adapted Branch-and-Bound (B&B) algorithm is investigated. Preliminary numerical results are reported to show the efficiency of the proposed method with respect to the standard Branch-and-Bound algorithm. [ABSTRACT FROM AUTHOR]
Copyright of Computers & Operations Research is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: A continuous DC programming approach for resource allocation in OFDMA/TDD wireless networks.
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  Data: <searchLink fieldCode="AR" term="%22Nam%2C+Nguyen+Canh%22">Nam, Nguyen Canh</searchLink><relatesTo>1</relatesTo><i> nam.nguyencanh@hust.edu.vn</i><br /><searchLink fieldCode="AR" term="%22Hoai%2C+Pham+Thi%22">Hoai, Pham Thi</searchLink><relatesTo>1</relatesTo><i> hoai.phamthi@hust.edu.vn</i>
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  Data: <searchLink fieldCode="DE" term="%22Distributed+computing+software%22">Distributed computing software</searchLink><br /><searchLink fieldCode="DE" term="%22Resource+allocation%22">Resource allocation</searchLink><br /><searchLink fieldCode="DE" term="%22Telecommunications+devices+for+the+deaf%22">Telecommunications devices for the deaf</searchLink><br /><searchLink fieldCode="DE" term="%22IEEE+802%2E16+%28Standard%29%22">IEEE 802.16 (Standard)</searchLink><br /><searchLink fieldCode="DE" term="%22Branch+%26+bound+algorithms%22">Branch & bound algorithms</searchLink>
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  Data: The next generation broadband wireless networks deploys OFDM/OFDMA as the enabling technologies for broadband data transmission with QoS capabilities. Many optimization problems have arisen in the conception of such a network. This article studies an optimization problem in resource allocation. By using mathematical modeling technique we formulate the considered problem as a pure integer linear program. This problem is reformulated as a DC (Difference of Convex functions) program via an exact penalty technique. We then propose a continuous approach for its resolution. Our approach is based on DC programming and DCA (DC Algorithm). It works in a continuous domain, but provides integer solutions. To check globality of computed solutions, a global method combining DCA with a well adapted Branch-and-Bound (B&B) algorithm is investigated. Preliminary numerical results are reported to show the efficiency of the proposed method with respect to the standard Branch-and-Bound algorithm. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Computers & Operations Research is the property of Pergamon Press - An Imprint of Elsevier Science and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.cor.2017.01.011
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 95
    Subjects:
      – SubjectFull: Distributed computing software
        Type: general
      – SubjectFull: Resource allocation
        Type: general
      – SubjectFull: Telecommunications devices for the deaf
        Type: general
      – SubjectFull: IEEE 802.16 (Standard)
        Type: general
      – SubjectFull: Branch & bound algorithms
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      – TitleFull: A continuous DC programming approach for resource allocation in OFDMA/TDD wireless networks.
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              Text: Jun2017
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              Y: 2017
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