The minimum bandwidth required at each time slot of the fast broadcasting scheme

  • Authors:

  • Chih-Jen Wu;Yu-Wei Chen;Yue-Li Wang

  • Affiliations:

  • Department of Information Management, National Taiwan University of Science and Technology, Taipei, Taiwan, Republic of China;Graduate Institute of Information and Logistics Management, National Taipei University of Technology, Taipei, Taiwan, Republic of China;Department of Information Management, National Taiwan University of Science and Technology, Taipei, Taiwan, Republic of China

  • Venue:
  • Information Processing Letters
  • Year:
  • 2011

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Abstract

In this paper, we show that the Fast broadcasting scheme (L.-S. Juhn and L.-M. Tseng, 1998 [4]), abbreviated the FBR scheme, is also suitable for heterogeneous clients of different communication capabilities although it is originally designed for homogeneous clients of the same bandwidth. Given @a channels of total bandwidth @a@?b Mbps to deliver a video of the consumption rate b Mbps, we first show that the FBR scheme can be employed to serve clients with communication capabilities ranging from b to @a@?b Mbps. Furthermore, we propose a simple way to determine the minimum bandwidth required at any given time slot.