An Improved Packet Scheduling Algorithm for DSCH of UMTS


The KIPS Transactions:PartC, Vol. 11, No. 6, pp. 863-870, Dec. 2004
10.3745/KIPSTC.2004.11.6.863,   PDF Download:

Abstract

UMTS(Universal Mobile Telecommunications System) is recently recognized as a standard for 3rd generation of wireless networks and DSCH(Down-link Shared Channel) is considered as a very effective multiplexing method in UMTS. So, it is inevitable to develope an effective packet scheduling algorithms for DSCH in UMTS. This paper describes an improved packet scheduling algorithm for DSCH of UMTS. The algorithm takes consideration in channel state for each moblie terminal to maximize link utilization, delay threshold for class 3 traffic and throughput for class 4 to get long term fairness. To verify the algorithm, we programmed a simulator using PARSEC simulation tool and got some simulation results by it. The simulation resulte show that the algorithm has reasonable characteristics in both of link utilization and fairness by trade-off.


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Cite this article
[IEEE Style]
H. J. Cho, "An Improved Packet Scheduling Algorithm for DSCH of UMTS," The KIPS Transactions:PartC, vol. 11, no. 6, pp. 863-870, 2004. DOI: 10.3745/KIPSTC.2004.11.6.863.

[ACM Style]
Hyun Joon Cho. 2004. An Improved Packet Scheduling Algorithm for DSCH of UMTS. The KIPS Transactions:PartC, 11, 6, (2004), 863-870. DOI: 10.3745/KIPSTC.2004.11.6.863.