Hybrid Multicast/Broadcast Algorithm for Highly-Demanded Video Services with Low Complexity 


Vol. 36,  No. 1, pp. 101-110, Jan.  2011


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  Abstract

With the deployment of broadband networking technology, many clients are enabled to receive various Video on Demand (VoD) services. To support many clients, the network should be designed by considering the following factors: viewer's waiting time, buffer requirement at each client, number of channel required for video delivery, and video segmentation complexity. Among the currently available VoD service approaches, the Polyharmonic and Staircase broadcasting approaches show best performance with respect to each viewer's waiting time and buffer requirement, respectively. However, these approaches have the problem of dividing a video into too many segments, which causes very many channels to be managed and used at a time. To overcome this problem, we propose Polyharmonic-Staircase-Staggered (PSS) broadcasting approach that uses the Polyharmonic and Staircase approaches for the head part transmission and the Staggered approach for the tail part transmission. It is simple and bandwidth efficient. The numerical results demonstrate that our approach shows viewer's waiting time is comparable to that in the Harmonic approach with a slight increase in the bandwidth requirement, and saves the buffer requirement by about 60\% compared to the Harmonic broadcasting approach by simply adjusting the video partitioning coefficient factor. More importantly, our approach shows the best performance in terms of the number of segments and the number of channels managed and used simultaneously, which is a critical factor in real operation of VoD services. Lastly, we present how to configure the system adaptively according to the video partitioning coefficient.

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  Cite this article

[IEEE Style]

C. Lee and S. Bahk, "Hybrid Multicast/Broadcast Algorithm for Highly-Demanded Video Services with Low Complexity," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 1, pp. 101-110, 2011. DOI: .

[ACM Style]

Chan Lee and Saewoong Bahk. 2011. Hybrid Multicast/Broadcast Algorithm for Highly-Demanded Video Services with Low Complexity. The Journal of Korean Institute of Communications and Information Sciences, 36, 1, (2011), 101-110. DOI: .

[KICS Style]

Chan Lee and Saewoong Bahk, "Hybrid Multicast/Broadcast Algorithm for Highly-Demanded Video Services with Low Complexity," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 1, pp. 101-110, 1. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880