Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Numerical Analysis of an Enhanced Time-Based Location Registration Method

이동통신망에서의 향상된 시간 기반 위치 갱신 방법의 성능 분석

  • Published : 2004.11.01
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Abstract

In this paper, an enhanced time-based registration method is proposed. The method reduces the registration cost when a mobile terminal stays in a cell for a long time. We also analyze the performance of the proposed method numerically. In the analysis, we assume Poisson call arrival distribution and exponential cell resident time. From the analysis we calculate the optimal time-interval. Additionally, limit cost analysis is made to investigate the behaviors in the limit conditions. To compare the performance of the proposed method with the original time-based registration method, we analyze the performance of the original time-based registration method. In the comparisons, we see that the proposed enhanced time-based registration method has better performance and is applicable to the PCS systems.

본 논문에서는 이동 통신망에서의 향상된 시간 기반의 위치 갱신 방법을 제안하고 제안된 방법의 성능을 분석하였다. 분석에서는 포아송 분포의 호 도착시간을 가정하였고, 지수분포의 셀 체류시간을 가정하였으며 분석결과로서는 제안된 방법에서의 최적의 갱신주기를 구하였다. 부가적으로 갱신주기의 값의 변화에 따른 비용의 특성을 관찰하고자 갱신주기의 값이 0 또는 무한대로 근접할 경우에 대하여 위치관리 비용을 분석하였다. 제안된 위치갱신방법과 기존에 제안된 오리지날 시간 기반의 위치갱신방법과의 비교를 위하여 오리지날 시간 기반의 위치갱신 방법에 대한 분석도 수행하였다. 두 방법에 대한 비교에서 제안된 방법이 주어진 환경에서 성능이 향상됨을 알 수 있었다.

Keywords

References

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