Radio Channel Model of Wireless Sensor Networks Operating in 2.4 GHz ISM Band

This paper presents a novel signal propagation model of wireless sensor network (WSN)  for outdoor open environments. This model can be used in simulators and also in WSN services as localization discovery. The model here proposed produces results with higher accuracy when compared to the models existing in the literature. It is based on the existing double path propagation model (tworay), but differently from the previous works, it takes into account the directivity of the antennas and the variable reflectivity index of the soil. Experiments confirmed the outstanding results of our propagation model

[1]  Miodrag Potkonjak,et al.  Localized algorithms in wireless ad-hoc networks: location discovery and sensor exposure , 2001, MobiHoc '01.

[2]  Theodore S. Rappaport,et al.  Propagation measurements and models for wireless communications channels , 1995, IEEE Commun. Mag..

[3]  Anantha Chandrakasan,et al.  Energy-Scalable Protocols for Battery-Operated MicroSensor Networks , 2001, J. VLSI Signal Process..

[4]  Theodore S. Rappaport,et al.  Wireless communications - principles and practice , 1996 .

[5]  Anantha P. Chandrakasan,et al.  An application-specific protocol architecture for wireless microsensor networks , 2002, IEEE Trans. Wirel. Commun..

[6]  Mani B. Srivastava,et al.  Dynamic fine-grained localization in Ad-Hoc networks of sensors , 2001, MobiCom '01.

[7]  Paramvir Bahl,et al.  RADAR: an in-building RF-based user location and tracking system , 2000, Proceedings IEEE INFOCOM 2000. Conference on Computer Communications. Nineteenth Annual Joint Conference of the IEEE Computer and Communications Societies (Cat. No.00CH37064).

[8]  David M. Le Vine,et al.  Discrete scatter model for microwave radar and radiometer response to corn: comparison of theory and data , 1994, IEEE Trans. Geosci. Remote. Sens..

[9]  Ning Wang,et al.  Review: Wireless sensors in agriculture and food industry-Recent development and future perspective , 2006 .

[10]  T. Schmugge,et al.  Passive microwave remote sensing system for soil moisture: some supporting research , 1989 .

[11]  Miodrag Potkonjak,et al.  Location errors in wireless embedded sensor networks: sources, models, and effects on applications , 2002, MOCO.

[12]  S. Seidel,et al.  914 MHz path loss prediction models for indoor wireless communications in multifloored buildings , 1992 .