대한산업공학회지 (Journal of Korean Institute of Industrial Engineers)

  • 제34권2호
  • /
  • Pages.151-159
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  • 2008
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  • 1225-0988(pISSN)
  • /
  • 2234-6457(eISSN)
대한산업공학회 (Korean Institute of Industrial Engineers)
권호 표지

셀 단위로 증가하는 위치영역을 고려한 거리기준 위치등록의 성능 평가

Performance Evaluation of Distance-based Registration Considering Cell-by-Cell Location Area

  • 백장현 (전북대학교 산업정보시스템공학과) ;
  • 박진원 (홍익대학교 게임학부)
  • Baek, Jang-Hyun (Dept. of Industrial and Information Systems Engineering, Chonbuk National University) ;
  • Park, Jin-Won (School of Games, Hongik University)
  • 발행 : 2008.06.30
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초록

An efficient location registration scheme is essential to accommodate continuously increasing mobile subscribers and to offer a variety of multimedia services with good quality. In this study, we consider a distance-based registration scheme where the number of location areas varies on the basis of cell-by-cell, not of ring-by-ring, to analyze the optimal size of the location area. Using our proposed cell-by-cell distance-based registration scheme with random walk mobility model, we analyze a variety of circumstances to obtain the optimal number of cells for location area that minimizes total signaling traffic on radio channels. From our analysis results, we show that the optimal number of cells for location area is between 4 and 6 in most cases, and our cell-by-cell distance-based location registration scheme has less signaling traffic than optimal ring-by-ring distance-based location registration scheme where optimal distance threshold is 2 (thus the optimal number of cells for location area is 7).

키워드

과제정보

연구 과제 주관 기관 : Korea Research Foundation, Korea Science and Engineering Foundation

참고문헌

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