What is it about?

Typically, the received signal in telecommunication systems increases with antenna gain. Although this is true for a line-of-sight (LOS) scenario, the same may be not true for non-line-of-sight (NLOS) links. In this case, using very high gain antennas can be much worse than using a small, low gain antenna.

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Why is it important?

The proper antenna must be determined as a function of the propagation environment.

Perspectives

This work shows the influence of the antenna gain on the path loss for short-range environments when the receiver and transmitter antennas are oriented in the same direction. If we have an environment where the attenuation introduced by that environment is known, which antenna allows the best performance for the received signal? We propose to give an answer to this problem.

Professor Joaquim Amândio Azevedo
University of Madeira

Read the Original

This page is a summary of: Impact of the antenna directivity on path loss for different propagation environments, IET Microwaves Antennas & Propagation, October 2015, the Institution of Engineering and Technology (the IET),
DOI: 10.1049/iet-map.2015.0194.
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