Modeling and Performance Analysis of Cellular Networks with Channel Borrowing
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- YAMANAKA Sachiko
- Department of Systems Science, the Graduate School of Informatics, Kyoto University
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- KAWANO Hiroyuki
- Department of Systems Science, the Graduate School of Informatics, Kyoto University
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- TAKAHASHI Yutaka
- Department of Systems Science, the Graduate School of Informatics, Kyoto University
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説明
This paper presents the analysis of integrated voice and data cellular networks with channel borrowing. Our considered system gives higher priority to handoff calls over new calls from users' point of view and reflects each characteristics of voice and data traffic types. Data handoff calls can wait in a queue while they are in handoff areas if there are no channels available. Voice handoff calls can borrow at most l channels from data calls if there are no idle channels upon their arrivals. We mathematically model this system by applying queueing theory. Then, we analyze its performance to derive the forced termination probability of data handoff calls, the blocking probabilities of the new and handoff calls of voice and data, and the Laplace Stieltjes transform for the distribution of waiting time in a queue. In numerical results, the analytical results for the mean waiting time of data handoff calls are compared with the simulation resuits to validate our analytical approach. Our system is also compared with the system where channel borrowing cannot be allowed (nonborrowing system) with respect to the blocking probabilities of the new and handoff calls of voice and data, the forced termination probability of data handoff calls, the mean and the coefficient of variation of the waiting time of data handoff calls.
収録刊行物
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- IEICE transactions on communications
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IEICE transactions on communications 85 (5), 929-937, 2002-05-01
一般社団法人電子情報通信学会
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詳細情報 詳細情報について
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- CRID
- 1571135652465784320
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- NII論文ID
- 110003219413
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- NII書誌ID
- AA10826261
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- ISSN
- 09168516
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles
