Delay-Aware Packet Scheduling (DAPS) Algorithm in 3GPP LTE System 


Vol. 34,  No. 5, pp. 498-508, May  2009


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  Abstract

In wireless mobile environments, large bandwidth and high QoS (Quality of Service) are recently required to support the increased demands for multimedia services. LTE (Long Term Evolution) is one of the promising solutions for the next generation broadband wireless access systems. To efficiently use downlink resource and effectively support QoS, packet scheduling algorithm is one of the important features in LTE system. In this paper, we proposed DAPS (Delay-Aware Packet Scheduling) algorithm to consider QoS requirements of delays for various traffic classes as well as channel condition and fairness. To reflect delay experiences at scheduling instance, DAPS observes how queue waiting time of packet is closed to maximum allowable delay. The simulation results show that the DAPS algorithm yields better performance for delay experience by increasing the number of transmitted packets with satisfying the required delay time compared with existing scheduling algorithms.

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  Cite this article

[IEEE Style]

B. Choi, M. Y. Chung, H. K. Lee, T. S. Kim, J. Kang, "Delay-Aware Packet Scheduling (DAPS) Algorithm in 3GPP LTE System," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 5, pp. 498-508, 2009. DOI: .

[ACM Style]

Bum-Gon Choi, Min Young Chung, Hye Kyung Lee, Tai Suk Kim, and JeeWoong Kang. 2009. Delay-Aware Packet Scheduling (DAPS) Algorithm in 3GPP LTE System. The Journal of Korean Institute of Communications and Information Sciences, 34, 5, (2009), 498-508. DOI: .

[KICS Style]

Bum-Gon Choi, Min Young Chung, Hye Kyung Lee, Tai Suk Kim, JeeWoong Kang, "Delay-Aware Packet Scheduling (DAPS) Algorithm in 3GPP LTE System," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 5, pp. 498-508, 5. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880