Performance Analysis of Joint Call Admission Control(JCAC) According to Resource Reservation Rate Changes in LTE-WLAN Heterogeneous Network Environment 


Vol. 36,  No. 5, pp. 473-484, May  2011


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  Abstract

In this paper, we analyze and propose the Joint Call Admission Control(JCAC) scheme to combine network selection scheme and radio resource reservation based Call Admission Control(CAC) in LTE-WLAN heterogeneous networks. First, We propose the JCAC system that uses network decision rate to select a network for terminal and radio resource reservation scheme in overlaying LTE-WLAN network environment. And we analyze the performance of a proposed system using markov chain model. The performance is presented in terms of the new call blocking probability, handoff call dropping probability, and channel utilization of each network. As a performance result of the our research, the system using JCAC is better than the system using non-JCAC. We found a suitable resource reservation rate that is 10% in the system using JCAC. Our work may be useful as a guideline of resource reservation rate to introduce JCAC system using resource reservation scheme in overlaying LTE-WLAN network environment.

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  Cite this article

[IEEE Style]

Y. Kim, S. Kim, S. Ryu, C. Cho, "Performance Analysis of Joint Call Admission Control(JCAC) According to Resource Reservation Rate Changes in LTE-WLAN Heterogeneous Network Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 5, pp. 473-484, 2011. DOI: .

[ACM Style]

Yi-Kang Kim, Seung-Yeon Kim, Seung-Wan Ryu, and Choong-ho Cho. 2011. Performance Analysis of Joint Call Admission Control(JCAC) According to Resource Reservation Rate Changes in LTE-WLAN Heterogeneous Network Environment. The Journal of Korean Institute of Communications and Information Sciences, 36, 5, (2011), 473-484. DOI: .

[KICS Style]

Yi-Kang Kim, Seung-Yeon Kim, Seung-Wan Ryu, Choong-ho Cho, "Performance Analysis of Joint Call Admission Control(JCAC) According to Resource Reservation Rate Changes in LTE-WLAN Heterogeneous Network Environment," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 5, pp. 473-484, 5. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880