A directed retry call control scheme based on the moving directions of mobile srations in DS-SDMA cellular systems 


Vol. 27,  No. 5, pp. 507-511, May  2002


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  Abstract

A directed retry call control scheme orders a mobile station to make a call through a neighboring other cell, when no channel is available in the original cell. Thereby, the call control scheme improves the perfonnance of a cellular mobile communication system by reducing the new call blocking probability. However, the existing call control scheme does not consider the moving directions of mobile stations. Therefore, if a mobile station transferred to a neighboring other cell approaches the original base station that has no more available channel, the forced tennination probability of the retried call will increase. The increased forced tennination probability results in a significant degradation of service quality. Therefore, we propose a moving direction based directed retry call control scheme to reduce the forced tennination probability. The perfonnance evaluation shows that the forced tennination probability of the retried call in the proposed scheme is 10 - 30 % lower than that of the retried call in the conventional directed retry call control scheme.

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  Cite this article

[IEEE Style]

H. Jeon, S. Lee, S. Choi, "A directed retry call control scheme based on the moving directions of mobile srations in DS-SDMA cellular systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 507-511, 2002. DOI: .

[ACM Style]

Hyoung-Goo Jeon, SoongHee Lee, and Samgil Choi. 2002. A directed retry call control scheme based on the moving directions of mobile srations in DS-SDMA cellular systems. The Journal of Korean Institute of Communications and Information Sciences, 27, 5, (2002), 507-511. DOI: .

[KICS Style]

Hyoung-Goo Jeon, SoongHee Lee, Samgil Choi, "A directed retry call control scheme based on the moving directions of mobile srations in DS-SDMA cellular systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 5, pp. 507-511, 5. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880