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作者:

Wu, Shengna (Wu, Shengna.) | Yang, Jun (Yang, Jun.) | Peng, Rui (Peng, Rui.) (学者:彭锐) | Zhai, Qingqing (Zhai, Qingqing.)

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摘要:

A cellular network is widely used for transmitting text (i.e., alphanumeric) messages between subscribers from different geographical locations. The geographic area of a cellular network is divided into a large number of cells, which are served by at least one facilities from base stations among predetermined positions. Both reliability and cost of a cellular network depend on the number, location and failure rate of facilities in the base stations. Thus, the joint optimization of facility allocation and maintenance strategy in a cellular network is relevant and significant for guiding optimal decisions on cellular network planning. This paper models a cellular network with repairable facilities characterized by a two-parameter Weibull distribution.The objective is to jointly optimize the facility allocation among predetermined positions and the facilities maintenance strategy in order to minimize the expected life cycle cost of the cellular network. An optimization algorithm for the proposed model is given based on heuristic algorithm and simulation. A case study is presented to illustrate the application of the proposed model, and sensitivity analysis shows the relationship between the optimal preventive replacement interval and the ratio of the preventive replacement cost to the minimal repair cost.

关键词:

Performance reliability Optimization algorithm Cellular network Sensitivity analysis Life cycle cost

作者机构:

  • [ 1 ] [Wu, Shengna]China Inst Atom Energy, Dept Isotope, Beijing, Peoples R China
  • [ 2 ] [Yang, Jun]Beihang Univ, Sch Reliabil & Syst Engn, Beijing, Peoples R China
  • [ 3 ] [Peng, Rui]Beijing Univ Technol, Sch Econ & Management, Beijing, Peoples R China
  • [ 4 ] [Zhai, Qingqing]Shanghai Univ, Sch Management, Shanghai, Peoples R China

通讯作者信息:

  • [Wu, Shengna]China Inst Atom Energy, Dept Isotope, Beijing, Peoples R China;;[Yang, Jun]Beihang Univ, Sch Reliabil & Syst Engn, Beijing, Peoples R China

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来源 :

RELIABILITY ENGINEERING & SYSTEM SAFETY

ISSN: 0951-8320

年份: 2021

卷: 205

8 . 1 0 0

JCR@2022

ESI学科: ENGINEERING;

ESI高被引阀值:87

JCR分区:1

被引次数:

WoS核心集被引频次: 12

SCOPUS被引频次: 15

ESI高被引论文在榜: 0 展开所有

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