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On burst transmission scheduling in mobile TV broadcast networks

Published: 01 April 2010 Publication History

Abstract

In mobile TV broadcast networks, the base station broadcasts TV channels in bursts such that mobile devices can receive a burst of traffic and then turn off their radio frequency circuits till the next burst in order to save energy. To achieve this energy saving without scarifying streaming quality, the base station must carefully construct the burst schedule for all TV channels. This is called the burst scheduling problem. In this paper, we prove that the burst scheduling problem for TV channels with arbitrary bit rates is NP-complete.We then propose a practical simplification of the general problem, which allows TV channels to be classified into multiple classes, and the bit rates of the classes have power of two increments, e.g., 100, 200, and 400 kbps. Using this practical simplification, we propose an optimal and efficient burst scheduling algorithm. We present theoretical analysis, simulation, and actual implementation in a mobile TV testbed to demonstrate the optimality, practicality, and efficiency of the proposed algorithm.

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Published In

cover image IEEE/ACM Transactions on Networking
IEEE/ACM Transactions on Networking  Volume 18, Issue 2
April 2010
339 pages

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IEEE Press

Publication History

Published: 01 April 2010
Revised: 18 May 2009
Received: 24 October 2008
Published in TON Volume 18, Issue 2

Author Tags

  1. burst scheduling
  2. digital video broadcast-hand-held (DVB-H)
  3. energy saving
  4. mobile TV
  5. mobile multimedia
  6. video broadcast networks
  7. wireless video streaming

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