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by Doo Seop Eom, Masashi Sugano, Masayuki Murata
http://search.ieice.org/1999/files/../pdf/e82-b_1_14.pdf
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Abstract:
SUMMARY In this paper, we investigate a call admission control (CAC) problem in a multimedia wireless ATM network that supports various multimedia applications based on micro /pico cellular architectures. Due to reduced wireless cell size (compared to conventional cellular networks), forced termination of calls in progress becomes a more serious problem in the wireless ATM network. Another problem specific to the multimedia wireless network is how to avoid an excessive delay of non-realtime applications under the presence of various realtime applications with priority over non-realtime applications. We consider two service classes; CBR for realtime applications and UBR for nonrealtime applications, and then propose a new CAC scheme that addresses above two problems while minimizing a blocking probability of newly arriving calls of CBR. Through the analytical methods, we derive the blocking probabilities and forced termination probabilities of CBR calls and the average packet delay of UBR connections. We also present a method that decides the optimal CAC threshold values in our CAC scheme.
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Masashi Sugano received the
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degrees in Information and Computer Sciences from Osaka University, Osaka
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he has been an Associate Professor of Osaka Prefectural College of Health Sciences. His research interests include design and performance evaluation of computer communication networks, network reliability, and wireless network systems
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received the IEICE paper award in 1991. Dr. Sugano is a member of the IEEE
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Doo Seop Eom received the
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