Sustainable simultaneous communications in ad-hoc networks using smart antenna systems

Authors:
Fulvio Babich;Massimiliano Comisso;Lucio Manià
Affiliations:
Dipartimento di Elettrotecnica, Elettronica ed Informatica, Università di Trieste, Trieste, Italy 34127;Dipartimento di Elettrotecnica, Elettronica ed Informatica, Università di Trieste, Trieste, Italy 34127;Dipartimento di Elettrotecnica, Elettronica ed Informatica, Università di Trieste, Trieste, Italy 34127
Venue:
Wireless Networks
Year:
2009

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Abstract

This article proposes an analytical model for evaluating the number of simultaneous communications that can be sustained by an ad-hoc network in which the nodes are equipped with fully adaptive smart antennas. The presented mathematical framework adopts realistic models for the antenna radiation pattern and the channel behavior, and is able to take into account the network topology and the characteristics of the medium access control (MAC) protocol in the spatial domain. The model is employed to investigate the impact of the spatial channel model and of the angular spread on network performance. Additionally, this article examines the influence of the transmission policy of the control and data packets of the MAC layer on the number of simultaneous communications.