Energy-constrained error control for wireless channels
- 1 January 1997
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Wireless Communications
- Vol. 4 (6), 27-33
- https://doi.org/10.1109/98.637380
Abstract
— We posit that limiting performance metrics of error control protocols to throughput and delay is inappro- priate when terminals are powered by a finite energy battery source. We propose the total number of correctly transmitted packets during the lifetime of a finite energy source as another metric. We study the Go-back-N error control protocol assum- ing (1) Markov errrors on both the forward and the feedback channels and (2) a finite energy source with a flat power profile, and characterize the sensitivity of the total number of correctly transmitted packets to the choice of the output power level. We then generalize our results to arbitrary power profiles through both a recursive technique and Markov analysis. Finally, we compare the performance of GBN with an adaptive error con- trol protocol (which slows down the transmission rate when the channel is impaired) and document the advantages.Keywords
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