Publication-01-2014

Feedback interval for link adaptation in TDMA-based single-carrier VHF narrowband mobile ad-hoc networks

Authors

Sebastian Helmle, Mathias Dehm, Michael Kuhn, Dominik Lieckfeldt, and Dirk Pesch

Abstract

In this Letter the impact of link adaptation feedback interval on user net throughput for TDMA-based single-carrier VHF narrowband mobile ad-hoc networks (MANETs) is investigated. Specifically for narrowband MANETs optimisation of signalling overhead is one of the major challenges. Reducing overhead means that more user data can be transmitted, however, quality of channel quality feedback information will be lower, resulting in potentially inaccurate link adaptation decisions. Results from Monte Carlo computer simulation show that a global maximum for the throughput with respect to interval exists. The achievable throughput, however, strongly depends on the user mobility pattern.

Reference

Electronics Letters, vol.50, no.3, pp.221,223, January 30 2014

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