QoS Guarantee for Service Classes based on Performance Analysis of Cross-Layer Retransmission Scheme 


Vol. 35,  No. 2, pp. 95-104, Feb.  2010


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  Abstract

In wireless communication system, a variety of retransmission algorithms are used in order to improve the quality of service of users. But the system may be inefficient because retransmission algorithms operate independently with other layers. Also, the quality of service can be degraded due to the unnecessary retransmission of packets. To solve these problems, the study on the cross-layer retransmission schemes have been widely performed. However, in order to apply cross-layer retransmission schemes to wireless communication system, whether the performance of cross-layer retransmission schemes meets QoS requirements of each service class has to beverified. Thus, this paper proposes the mathematical model for analyzing the performance of the cross-layer retransmission schemes and derives both the suitable retransmission scheme and the optimal retransmission parameter on each service class. The proposed mathematical model selects the MCS level based on channel state information and The performance analysis is comparatively easy in case that HARQ, ARQ, and AMC schemes are combined. The proposed mathematical model also enables the analysis of the packet transmission delay. To utilize the analytical model, this paper derives the suitable retransmission scheme and the optimal retransmission parameter for delay sensitive services in WiMAX system. Also, the proposed analytical model can be used to analyze the performance of wireless communication system such as LTE and WLAN.

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  Cite this article

[IEEE Style]

K. Go, H. Lee, J. Kim, S. Choo, "QoS Guarantee for Service Classes based on Performance Analysis of Cross-Layer Retransmission Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 95-104, 2010. DOI: .

[ACM Style]

Kwang-Chun Go, Hyun-Jin Lee, Jae-Hyun Kim, and Sang-Min Choo. 2010. QoS Guarantee for Service Classes based on Performance Analysis of Cross-Layer Retransmission Scheme. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 95-104. DOI: .

[KICS Style]

Kwang-Chun Go, Hyun-Jin Lee, Jae-Hyun Kim, Sang-Min Choo, "QoS Guarantee for Service Classes based on Performance Analysis of Cross-Layer Retransmission Scheme," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 95-104, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880