Abstract
In this paper, a second method for the determination of the minimum antenna mast height for line of site wireless communication link with nonzero path inclination and with known height of one of the antennas is presented. In the first method,(not presented here), none of the antenna height is known. In this second paper, the height of one of the antenna is known, particularly, the antenna that is above the maximum obstruction height. This places further constraint in the determination of the minimum antenna mast height for the lower antenna. In this paper, both the mathematical models and the algorithm are presented along with sample numerical example using path profile data for a 3 GHz microwave communication link with path length of 38.8876 km. The know antenna height is 20 m above the maximum height of the tip of the obstruction which is found to be 146.62 m at a distance of 14306.98 m from the transmitter. From the result, the receiver antenna height is 166.6 m and transmitter antenna height is 135.35 m whereas, the transmitter antenna mast height is 45.51 m while the receiver antenna mast height is 117.1 m the path inclination is 0.804. The ideas presented in this paper are particularly useful when a line of sight link is to be extended from an existing transmitting point.
Highlights
In wireless communication systems, Line Of Site (LOS) communication is a form of communication used when the signal, such as microwave, can travel in a straight line [1-5]
The method II is presented for determination of the antenna mast height when the path inclination is not equal to zero and the height of one of the antennas is known, the antenna that is above the maximum obstruction height
This places further constraint in the determination of the minimum antenna mast height for the lower antenna
Summary
Line Of Site (LOS) communication is a form of communication used when the signal, such as microwave, can travel in a straight line [1-5]. The transmitter and receiver antennas are raised and aligned to each other above the surrounding obstructions in the signal path. The method II is presented for determination of the antenna mast height when the path inclination is not equal to zero and the height of one of the antennas is known, the antenna that is above the maximum obstruction height. This places further constraint in the determination of the minimum antenna mast height for the lower antenna
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More From: American Journal of Software Engineering and Applications
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