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On the Error Exponents of ARQ Channels with Deadlines

Praveen Kumar Gopala, Young-Han Nam, Hesham El Gamal

cs.ITarXiv:cs/0610106

Abstract

We consider communication over Automatic Repeat reQuest (ARQ) memoryless channels with deadlines. In particular, an upper bound L is imposed on the maximum number of ARQ transmission rounds. In this setup, it is shown that incremental redundancy ARQ outperforms Forney's memoryless decoding in terms of the achievable error exponents.

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