Staircase data broadcasting and receiving scheme for hot video service

  • Authors:
  • Li-Shen Juhn;Li-Ming Tseng

  • Affiliations:
  • Dept. of Comput. Sci. & Inf. Eng., Nat. Central Univ., Chung-Li;-

  • Venue:
  • IEEE Transactions on Consumer Electronics
  • Year:
  • 1997

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Abstract

For a 120-minute popular movie, with 4 video channels, current digital video broadcasting systems can support the movie every 30 minutes. Suppose the set-top box at client end can buffer portions of the playing video on disk. Pyramid broadcasting schemes can support the movie every 19 minutes. We present a new data broadcasting and receiving scheme, which can service the movie every 8 minutes. For a given bandwidth allocation, the new scheme greatly reduces the viewer waiting time. The disk space and transfer rate requirements of the set-top box are also reduced to be feasible