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A Division-Based Broadcasting Method Considering Channel Bandwidths for NVoD Services

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2 Author(s)
Yoshihisa, T. ; Cybermedia Center, Osaka Univ., Ibaraki, Japan ; Nishio, S.

Due to the recent proliferation of digital broadcasting, several methods for broadcast streaming data, i.e., movies or music, using the division-based broadcasting scheme have been studied. In the division-based broadcasting scheme, by dividing the data into several segments and broadcasting them via multiple channels, the waiting time for clients to start playing the data is reduced. These methods usually calculate appropriate channel bandwidths and allocate them to each channel. However, in many cases, channel bandwidths are fixed for the restrictions of the broadcasting system. Therefore, it is difficult to allocate arbitrary bandwidths to each channel. In this paper, we propose a division-based broadcasting method considering channel bandwidths. Our proposed method divides the data into several segments based on the given channel bandwidths. By dividing the data so that clients can receive the next segment immediately before finishing playing each segment, the waiting time is reduced satisfying the condition that clients can play the data without any interruptions.

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Broadcasting, IEEE Transactions on  (Volume:59 ,  Issue: 1 )