Turning interferences into noise in ad hoc networks

Thomas Janson (), Alexander Traub-Ens () and Christian Schindelhauer ()
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Thomas Janson: University of Freiburg
Alexander Traub-Ens: University of Freiburg
Christian Schindelhauer: University of Freiburg

Telecommunication Systems: Modelling, Analysis, Design and Management, 2016, vol. 62, issue 2, No 14, 435-448

Abstract: Abstract Ad hoc networks present a challenging network paradigm because of energy-limited mobile devices and the lack of a reliable backbone infrastructure. If users have a choice, they might not be willing to share battery lifetime to support the ad hoc infrastructure. Irregular distributions of devices also limit connectivity of devices in dense areas and require long distant communication. Furthermore, jammers may disturb the communication and compromise connectivity. We present a modulation scheme addressing all three problems by establishing communication without increasing transmission power while reducing the data rate. Our key method is to repeat symbols using additional pseudo-random phase shift keying. So, we increase the signal-to-noise ratio of the wireless channel above the reception threshold and remove the constraint of correlated interferences of parallel communication. We show a constant factor overhead for negotiating the initial data rate and establishing the connections.

Keywords: Ad hoc networks; SINR; Wireless communication; Jammer (search for similar items in EconPapers)
Date: 2016
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DOI: 10.1007/s11235-015-0084-8

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