DocumentCode
1012793
Title
Tilting antennas to reduce line-of-sight microwave link fading
Author
Hartman, W.J. ; Smith, Dean
Author_Institution
U. S. Dept. of Commerce, Boulder, CO, USA
Volume
25
Issue
5
fYear
1977
fDate
9/1/1977 12:00:00 AM
Firstpage
642
Lastpage
645
Abstract
Tilting the antennas up to obtain 2 dB loss (for each antenna) over maximum gain during steady signal conditions is shown to reduce fading over this particular path. The technique should also work on other paths where sufficient angular separation between the direct and reflected rays exists, and where antennas with sufficiently "sharp" main beams are used.
Keywords
Antenna terrain factors; Microwave radio propagation terrain factors; FAA; Fading; Microwave antennas; Operational amplifiers; Optical reflection; Radar antennas; Radiofrequency amplifiers; Receiving antennas; Reflector antennas; Rivers;
fLanguage
English
Journal_Title
Antennas and Propagation, IEEE Transactions on
Publisher
ieee
ISSN
0018-926X
Type
jour
DOI
10.1109/TAP.1977.1141662
Filename
1141662
Link To Document