경영과학 (Korean Management Science Review)

한국경영과학회 (The Korean Operations Research and Management Science Society)
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차세대 이동통신에서의 지연을 고려한 순차적 페이징

Sequential Paging under Delay Bound for Next Generation Mobile Systems

  • 이채영 (한국과학기술원 산업공학과) ;
  • 구상훈 (한국과학기술원 산업공학과)
  • 발행 : 2006.11.30
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초록

To reduce the signaling tost of paging in mobile communication, sequential paging schemes are proposed by partitioning a location area into several paging areas such that each area is paged sequentially. Necessary conditions for the optimal partition of cells with delay bound are examined by considering the mobiles location probability at each cell. The Optimal Cell Partitioning (OCP) is proposed based on the necessary conditions and the fathoming rule which trims off the unnecessary solution space and expedite the search process. Two Heuristics, BSG and BNC are also presented to further increase the computational efficiency in real-world paging scheme for the next generation mobile systems. The effectiveness of the 1)reposed paging schemes is illustrated with computational results. The Heuristic BSG that performs the search in the most promising solution group outperforms the best existing procedure with the 6-69% gain in paging cost in problems with 100 cells.

키워드

참고문헌

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