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J. Sens. Actuator Netw. 2018, 7(4), 50; https://doi.org/10.3390/jsan7040050

An Adaptive Beamforming Time with Round-Robin MAC Algorithm for Reducing Energy Consumption in MANET

1
DIMES, University of Calabria, 87036 Rende, Italy
2
Department of Electronic Technologies, University of Malaga, 29007 Malaga, Spain
*
Author to whom correspondence should be addressed.
Received: 23 October 2018 / Revised: 16 November 2018 / Accepted: 19 November 2018 / Published: 23 November 2018
(This article belongs to the Special Issue Energy Management in Distributed Wireless Networks)
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Abstract

The use of smart antenna systems (SASs) in mobile ad hoc networks (MANETs) has been promoted as the best choice to improve spatial division multiple access (SDMA) and throughput. Although directional communications are expected to provide great advantages in terms of network performance, directional MAC (medium access control) protocols introduce several issues. One of the most known problems in this context is represented by the fact that, when attempting to solve or at least mitigate the problems introduced by these kinds of antennas especially at MAC layer, a large amount of energy consumption is achieved; for example, due to excessive retransmissions introduced by very frequently issue such as deafness and handoff. The expedients proposed in order to reduce these drawbacks attempting to limit beamforming time of nodes in cooperation with a round-robin scheduling can grant high performance in terms of fairness and throughput. However, the overall energy distribution in the network is not efficient due to static approach. In view of this, we propose adaptive beamforming time with round-robin MAC providing a dynamic assignment of the beamforming time with the aim to limit the waste of energy of nodes. The proposed approach provides benefits in terms of energy consumption distribution among nodes in sectorized antennas environments and, simultaneously, improves MAC packet performance. View Full-Text
Keywords: beamforming; energy consumption; MAC, MANET, round-robin; SAS beamforming; energy consumption; MAC, MANET, round-robin; SAS
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Inzillo, V.; De Rango, F.; Quintana, A.A.; Santamaria, A.F. An Adaptive Beamforming Time with Round-Robin MAC Algorithm for Reducing Energy Consumption in MANET. J. Sens. Actuator Netw. 2018, 7, 50.

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