Call Admission Control using Soft QoS-based Borrowing Scheme in DVB-RCS Networks 


Vol. 30,  No. 2, pp. 61-65, Feb.  2005


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  Abstract

We propose a soft QoS-based borrowing scheme for call admission control(CAC) in DVB-RCS(Digital Video Broadcast-Return Channel via Satellite). Some of the ongoing calls temporarily and fairly release bandwidths that can be used to accommodate a new call in an overloaded satellite network. The amount of bandwidth borrowed from each call is proportional to each user's critical bandwidth ratio, one of parameters for soft QoS mechanism. Simulation results show that the proposed scheme improves the system performance in terms of call blocking probability and bandwidth utilization.

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  Cite this article

[IEEE Style]

H. B. Lee, Y. M. Jang, H. J. Lee, "Call Admission Control using Soft QoS-based Borrowing Scheme in DVB-RCS Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 2, pp. 61-65, 2005. DOI: .

[ACM Style]

Hee Bong Lee, Yeong Min Jang, and Ho Jin Lee. 2005. Call Admission Control using Soft QoS-based Borrowing Scheme in DVB-RCS Networks. The Journal of Korean Institute of Communications and Information Sciences, 30, 2, (2005), 61-65. DOI: .

[KICS Style]

Hee Bong Lee, Yeong Min Jang, Ho Jin Lee, "Call Admission Control using Soft QoS-based Borrowing Scheme in DVB-RCS Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 2, pp. 61-65, 2. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880