Angular-diversity radiating system for tropospheric-scatter radi

Details Angular-diversity radiating system for tropospheric-scatter radi Angular-diversity radiating system for tropospheric-scatter radi

1987-09-21

1988-12-27

Sikes, William L.

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343758, 343776, 343880, H01Q 312

Patent

active

047944005

ABSTRACT:
An angular-diversity radiating system is described for tropospheric-scatter radio links which comprises a paraboloid and two antenna horns in which the distance between the antenna horns is adjustable in order to vary the diversity angle depending on the transmissive characteristics of the troposphere of the link involved to always have the optimal diversity angle under all link conditions.
The radiating system includes four wave guides connected to the two antenna horns to permit the use of single and double polarization for both the antenna horns and the use of both the antenna horns, or alternatively only one, for receiving and transmitting signals.

REFERENCES:
patent: 3988736 (1976-10-01), Smith et al.
patent: 4529990 (1985-07-01), Brunner
Effect of Angle Diversity in Troposcatter Communication System; S. Morita; NEC Research & Development, No. 45, pp. 83-93, Apr. 1977.

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