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General Information
    • ISSN: 1793-8244
    • Frequency: Semiyearly
    • DOI: 10.18178/JACN
    • Editor-in-Chief: Dr. Ka Wai Gary Wong
    • Executive Editor: Ms. Nina Lee
    • Abstracting/ Indexing: EI (INSPEC, IET), Engineering & Technology Digital Library, DOAJ, Electronic Journals Library, Ulrich's Periodicals Directory, International Computer Science Digital Library (ICSDL), ProQuest, and Google Scholar.
    • E-mail: jacn@ejournal.net
Editor-in-chief
Dr. Ka Wai Gary Wong
Division of Information and Technology Studies, Faculty of Education, The University of Hong Kong.
It's a honor to serve as the editor-in-chief of JACN. I'll work together with the editors and reviewers to help the journal progress
JACN 2014 Vol.2(2): 89-95 ISSN: 1793-8244
DOI: 10.7763/JACN.2014.V2.88

Transmission Sequence Adjustment Scheme for Improving Fairness in Wireless LANs

Young Ung Kim and Sunmyeng Kim
Abstract—In a wireless LAN, multimedia traffic is one of important traffic types. However, it is not easy to transmit multimedia traffic in a wireless LAN because it requires strict assurance for delay and loss. Although a multimedia packet is sent to a receiver without an error, it is discarded, if it does not satisfy its own delay bound. In a wireless LAN, a packet is transmitted with a FIFO (First-In First-Out) queue, i.e., a packet is transmitted in sequence regardless of delay bound of each packet. Therefore, traffic with long delay bound has good performance, though traffic with short delay bound shows poor performance. Accordingly, fairness problem between traffic with different delay bounds occur. To overcome the problem, we propose a transmission sequence adjustment scheme. The proposed scheme adjusts the transmission sequence of data packets in the queue by considering the delay bounds of all the data packets in the queue. Performance of the proposed scheme is investigated by simulation. Our results show that the proposed scheme is more effective and alleviates the fairness problem.

Index Terms—Delay bound, EDCA, fairness, transmission sequence.

Y. U. Kim is with the Department of Computer IT Engineering, Kumoh National Institute of Technology, Gumi, Korea (e-mail: power2000vx@naver.com).
S. Kim is with the Department of Computer Software Engineering, Kumoh National Institute of Technology, Gumi, Korea (e-mail: sunmyeng@kumoh.ac.kr).

[PDF]

Cite:Young Ung Kim and Sunmyeng Kim, "Transmission Sequence Adjustment Scheme for Improving Fairness in Wireless LANs," Journal of Advances in Computer Networks vol. 2, no. 2, pp. 89-95, 2014.

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