NDLI: Characterization of propagating waves through Leafy vegetation

Content Provider	IEEE Xplore Digital Library
Author	Adhikari, S.
Copyright Year	2012
Description	Author affiliation: PES Institute of Technology, Bangalore, India (Adhikari, S.)
Abstract	An assessment of the environmental impact on a communication link is imperative to wireless network planning. In this paper simulations have been carried out to find out the behavior of an electromagnetic wave propagating through a leafy vegetation layer. A communication link is assumed where the leafy vegetation medium comes in the line of sight of the receiver and the transmitter. This vegetation medium could be several kilometers long. The transmitting and receiving antennas have high gain of around 30 db. Hence the propagating wave is largely confined within the vegetation medium. It is found that the propagating wave does not attenuate monotonically. It decays rapidly over a certain distance but beyond this distance the rate of the decay decreases. A simple model is assumed to estimate the macroscopic effective dielectric constant. This model assumes that multiple reflections within the vegetation medium is absent. Since the attenuation of the fields are not monotonic, the calculated effective dielectric constant varies with the medium distance in a non linear fashion.
Starting Page	1128
Ending Page	1131
File Size	666319
Page Count	4
File Format	PDF
ISBN	9781467322706
e-ISBN	9781467322720
DOI	10.1109/INDCON.2012.6420786
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-07
Publisher Place	India
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Dielectric constant vegetation medium Transmitting antennas Receiving antennas Vegetation Attenuation high gain antenna Electromagnetic propagation
Content Type	Text
Resource Type	Article

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