Performance of smart antennas with receive diversity in wireless sensor networks
Goel, Shivali and Abawajy, Jemal 2008, Performance of smart antennas with receive diversity in wireless sensor networks, in Proceedings of ICSCN 2008 : International Conference on Signal Processing Communications and Networking, IEEE, Los Alamitos, Calif., pp. 272-278.
International Conference on Signal Processing Communications and Networking
Place of publication
Los Alamitos, Calif.
In this paper we propose a Geometrically Based Single Bounce Elliptical Model (GBSBEM) for multipath components involving randomly placed scatterers in the scattering region with sensors deployed on a field. The system model assumes a cluster based wireless sensor network (WSN) which collects information from the sensors, filters and modulates the data and transmit it through a wireless channel to be collected at the receiver. We first develop a GBSBE model and based on this model we develop our channel model. Use of Smart antenna system at the receiver end, which exploits various receive diversity combining techniques like Maximal Ratio Combining (MRC), Equal Gain Combining (EGC), and Selection Combining (SC), adds novelty to this system. The performance of these techniques have been proved through matlab simulations and further ahead based on different number of antenna elements present at the receiver array, we calculate the performance of our system in terms of bit-error-rate (BER). Based on the transmission power we quantify for the energy efficiency of our communication model.
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Field of Research
090699 Electrical and Electronic Engineering not elsewhere classified
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