A Variable Transmission Window MAC protocol for QoS Support in EPON System 


Vol. 29,  No. 11, pp. 891-899, Nov.  2004


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  Abstract

Ethernet passive optical network (EPON) has drawn many attention as a promising access network technology because it can provide a high bandwidth with a low cost. Since the uplink in the EPON system is shared by many users, it is necessary for an EPON system to have an efficient bandwidth allocation mechanism. In addition, as the users demand more QoS-oriented applications, it is necessary for an EPON system to have an efficient mechanism supporting QoS. In this paper, we propose a variable window dynamic bandwidth allocation (DBA) algorithm for the EPON system. Unlike the previously proposed DBA algorithms, the variable window algorithm guarantees the QoS for the highest priority class, and at the same time provides more enhanced QoS for the lower priority classes by dynamically allocating bandwidth if necessary. It is verified through the simulations that the variable window algorithm can provide more enhanced QoS performance than other DBA algorithms.

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  Cite this article

[IEEE Style]

J. Hwang and M. Yoo, "A Variable Transmission Window MAC protocol for QoS Support in EPON System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 11, pp. 891-899, 2004. DOI: .

[ACM Style]

Junho Hwang and Myungsik Yoo. 2004. A Variable Transmission Window MAC protocol for QoS Support in EPON System. The Journal of Korean Institute of Communications and Information Sciences, 29, 11, (2004), 891-899. DOI: .

[KICS Style]

Junho Hwang and Myungsik Yoo, "A Variable Transmission Window MAC protocol for QoS Support in EPON System," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 11, pp. 891-899, 11. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880