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Traffic characteristics in adaptive prioritized-handoff control method considering reattempt calls

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Abstract

In a cellular mobile communications system, the call in progress will be forcibly terminated, if a circuit to the destination base station cannot be secured when a handoff is attempted. Studies have therefore been performed on methods of decreasing the percentage of forcibly terminated calls by giving priority to handoff calls when the circuits are allocated. In these studies, associated traffic characteristics have been examined based on the assumption that blocked calls simply disappear. This paper proposes an adaptive handoff priority control method that varies the number of reserved circuits for handoff based on the measured of handoff blocking rate, and evaluates traffic characteristics of the proposed method and conventional one for the cases that consider and ignore reattempt calls. It was found that the proposed method could mitigate the effects of change in average speed of mobile stations and in reattempt-call parameter such as maximum retry number.

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APA

Shinagawa, N., Kobayashi, T., Nakano, K., & Sengoku, M. (2000). Traffic characteristics in adaptive prioritized-handoff control method considering reattempt calls. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1818, pp. 138–149). Springer Verlag. https://doi.org/10.1007/3-540-45494-2_11

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