Title :
A Radio Propagation Model for Wireless Underground Sensor Networks
Author :
Yoon, Suk-Un ; Cheng, Liang ; Ghazanfari, Ehsan ; Pamukcu, Sibel ; Suleiman, Muhannad T.
Author_Institution :
Dept. of Comput. Sci. & Eng., Lehigh Univ., Bethlehem, PA, USA
Abstract :
An accurate and simple radio propagation model for underground low-power devices such as wireless sensor nodes is introduced and its performance is evaluated by real wireless sensor nodes. The proposed model describes underground radio signal propagation that is proportional to e-2ap/ρ2 where p represents the distance and α represents the attenuation con- stant reflecting the soil properties. To evaluate the proposed underground radio propagation model, experiments measuring the radio signal strength with underground sensor nodes were conducted in various sub-surface conditions. Comparing the theoretical estimations of the underground radio propagation and the measured data, the theoretical model fits the measured data well within a 3.45dBm deviation or with an accuracy of 96.33% on average.
Keywords :
soil; underground communication; wireless sensor networks; performance evaluation; radio signal strength measurement; soil property; underground low-power device; underground radio propagation model; underground radio signal propagation; wireless underground sensor network; Conductivity; Laboratories; Permittivity; Radio propagation; Soil; Wireless communication; Wireless sensor networks;
Conference_Titel :
Global Telecommunications Conference (GLOBECOM 2011), 2011 IEEE
Conference_Location :
Houston, TX, USA
Print_ISBN :
978-1-4244-9266-4
Electronic_ISBN :
1930-529X
DOI :
10.1109/GLOCOM.2011.6133708