A Study of the Performance of Wireless Sensor Networks Operating with Smart Antennas


Wireless sensor networks (WSNs) have attracted a nice deal of analysis interest during the last few years, with potential applications making them ideal for the development of the envisioned world of ubiquitous and pervasive computing. Energy and computational efficiency constraints are the most key problems when managing this type of network. The main research effort has been channeled towards routing and distributed processing, so as to achieve higher quality of service (QoS) provisions, lower interference, and a lower power-consumption rate whereas data dissemination is allotted. The embedment of good antennas on wireless-sensor nodes is proposed herein as another and novel approach at the physical layer, with the potential for relieving ancient challenges faced by current wireless-sensor-network architectures. Studying the behavior of wireless sensor networks consisting of various varieties of antennas (omnidirectional or adaptive directional) yielded unexpectedly favorable results that improved the operation of networking systems of this sort. In the test cases presented herein, the incorporation of sensible antennas resulted in approximate improvements in the quality of service by twentypercent, the efficiency by fiftypercent, the percentage of active nodes by 20p.c, and therefore the energy consumption by fiftyp.c, relying on the simulation setup.

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