Journal of the Korean Operations Research and Management Science Society (한국경영과학회지)

The Korean Operations Research and Management Science Society (한국경영과학회)
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A Splitter Location-Allocation Problem in Designing FTTH-PON Access Networks

FTTH-PON 가입자망 설계에서 Splitter Location-Allocation 문제

  • 박찬우 (고려대학교 산업경영공학부) ;
  • 이영호 (고려대학교 산업경영공학부) ;
  • 한정희 (강원대학교 경영학과)
  • Received : 2010.12.06
  • Accepted : 2011.03.14
  • Published : 2011.06.30
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Abstract

In this paper, we deal with an access network design problem of fiber-to-the-home passive optical network (FTTH-PON). The FTTH-PON network design problem seeks to minimize the total cost of optical splitters and cables that provide optical connectivity between central office and subscribers. We develop a flow-based mixed integer programming (MIP) model with nonlinear link cost. By developing valid inequalities and preprocessing rules, we enhance the strength of the proposed MIP model in generating tight lower bounds for the problem. We develop an effective Tabu Search (TS) heuristic algorithm that provides good quality feasible solutions to the problem. Computational results demonstrate that the valid inequalities and preprocessing rules are effective for improving the LP-relaxation lower bound and TS algorithm finds good quality solutions within reasonable time bounds.

Keywords

References

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