Dynamic bandwidth allocation for stored video under renegotiation frequency constraint

Authors:
Myeong-jin Lee;Kook-yeol Yoo;Dong-jun Lee
Affiliations:
Dept. of Electrical Engineering, Kyungsung University, Busan, Korea;School of EECS, Yeungnam University, Gyeongsanbuk-do, Korea;School of Electronics, Telecomm. and Computer Engineering, Hankuk Aviation University, Gyeonggi, Korea
Venue:
PCM'06 Proceedings of the 7th Pacific Rim conference on Advances in Multimedia Information Processing
Year:
2006

Citing 3
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Abstract

In this paper, a dynamic bandwidth allocation algorithm is proposed for stored video transmission with renegotiation interval constraint. It is to handle the problem of short renegotiation intervals in optimal smoothing algorithms[4,5], which may increase the renegotiation cost or cause renegotiation failures. Based on the transmission rate bounds derived from buffer constraints, a transmission segment is calculated based on the optimal smoothing algorithm [5]. If the length of the segment is less than the minimum renegotiation interval, it is merged to the neighboring segment considering the relation between the transmission rates of neighboring segments by allowing encoder buffer underflows. From the simulation results, the proposed algorithm is shown to keep the renegotiation intervals larger than the minimum and the renegotiation cost is greatly reduced with slight decrease in the channel utilization.