Bandwidth Allocation and Real-time Transmission Scheduling Methods for Transporting MPEG-4 Video in Wireless LANs 


Vol. 15,  No. 5, pp. 413-420, Oct.  2008
10.3745/KIPSTB.2008.15.5.413


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  Abstract

Network bandwidth is one of the major factors that impact the cost of a video service. In this paper we propose approaches to reducing the bandwidth requirement for transporting MPEG-4 video traffic over wireless LANs while guaranteeing a required level of quality of service(QoS). To support high quality video playbacks, video frames must be transported to the client prior to their playback times. A real-time transmission scheduling is used for this purpose, which transmits each frame assigned with a priority according to its importance. It addresses the challenge for a scheduling algorithm that efficiently handles the changing workloads of MPEG-4 video traffic. The goal of our research is to maximize the number of frames that are transported within their deadlines while minimizing the tardiness of frames that missed their deadlines. The performance of the proposed method is compared with that of similar service mechanisms through extensive simulation experiments.

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[IEEE Style]

J. H. Kim, "Bandwidth Allocation and Real-time Transmission Scheduling Methods for Transporting MPEG-4 Video in Wireless LANs," The KIPS Transactions:PartB , vol. 15, no. 5, pp. 413-420, 2008. DOI: 10.3745/KIPSTB.2008.15.5.413.

[ACM Style]

Jin Hwan Kim. 2008. Bandwidth Allocation and Real-time Transmission Scheduling Methods for Transporting MPEG-4 Video in Wireless LANs. The KIPS Transactions:PartB , 15, 5, (2008), 413-420. DOI: 10.3745/KIPSTB.2008.15.5.413.

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