A Call Admission Control Algorithm in 3GPP LTE System for Guarantee of Packet Delay 


Vol. 34,  No. 6, pp. 458-467, Jun.  2009


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  Abstract

Long Term Evolution (LTE) is the next generation mobile phone technology which has being standardized by the Third Generation Partnership Project (3GPP). In the existing mobile communication networks, voice traffic is delivered through circuit switched networks. In LTE, however, all kinds of traffic are transferred through IP based packet switched networks which has best-effort characteristic. Therefore, providing QoS in LTE system is difficult. In order to provide QoS in LTE, RRM is very important. Especially, in part of RRM, call admission control (CAC) performs an important function to reduce network congestion and guarantee a certain level of QoS for on-going calls. In this paper, we propose a CAC algorithm in order to provide QoS for various kinds of services in LTE system. The performance of the proposed algorithm is evaluated with various simulation environments. The results show that the proposed algorithm provides QoS through rejections of requested calls. Especially, the proposed CAC algorithm can be satisfied with packet delay requirement defined in LTE specification.

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  Cite this article

[IEEE Style]

S. J. Bae, B. Choi, J. J. Lee, S. Kwon, M. Y. Chung, "A Call Admission Control Algorithm in 3GPP LTE System for Guarantee of Packet Delay," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 458-467, 2009. DOI: .

[ACM Style]

Sueng Jae Bae, Bum-Gon Choi, Jin Ju Lee, Sungoh Kwon, and Min Young Chung. 2009. A Call Admission Control Algorithm in 3GPP LTE System for Guarantee of Packet Delay. The Journal of Korean Institute of Communications and Information Sciences, 34, 6, (2009), 458-467. DOI: .

[KICS Style]

Sueng Jae Bae, Bum-Gon Choi, Jin Ju Lee, Sungoh Kwon, Min Young Chung, "A Call Admission Control Algorithm in 3GPP LTE System for Guarantee of Packet Delay," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 6, pp. 458-467, 6. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880