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Optimal Broadcast Scheduling for Random-Loss Channels

Overview Virtually all known results of broadcast scheduling have assumed that channels are reliable without data corruption or loss. This assumption, however, is far from reality. In fact, data loss imposes severe impact on broadcast performance, as briefly shown in. This paper studies how to systematically derive optimal broadcast schedules for random-loss channels. The key idea is to employ proper MDS codes in the schedules. The paper also show that the proposed scheme can achieve optimal performance, in terms of expected delivery time, and is much more robust to variations of channel loss probabilities, compared to those not using codes. In addition, it studies the effect of basic schedule unit and concludes that the impact is prominent when data loss presents.

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Publisher: University of Washington
File Format: PDF
Date Published: May 25, 2007
Format: White Papers
Topics: Programming Languages

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