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A Multi-Dimensional Characterization of Clustered Zigbee Networks

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3 Author(s)
Medagliani, P. ; Dept. of Inf. Eng., Univ. of Parma, Parma ; Martalo, M. ; Ferrari, G.

In this paper, we characterize Zigbee networks composed by a set of source nodes which transmit to an access point (AP) either directly or through intermediate relay nodes. In the latter case, both uniform and non-uniform clustering configurations are considered. We evaluate the delay (between transmission and reception of data packets) as a function of the network transmission rate (relative to successful packet transmissions) and tolerable network death level (which will be properly defined). Our results show the existence of a characteristic multidimensional performance surface describing the behavior of a Zigbee network in terms of the three mentioned performance indicators. We heuristically derive a closed-form expression for the network performance surface, by interpolating it through the sum of bidimensional Gaussian surfaces.

Published in:

Spread Spectrum Techniques and Applications, 2008 IEEE 10th International Symposium on

Date of Conference:

25-28 Aug. 2008