Title :
Selecting the optimal orbit location for a Canadian EHF communications satellite
Author :
Caron, Mario ; Hindson, Daniel J.
Author_Institution :
Commun. Res. Centre, Satellite Systems and Technologies, Ottawa, Ont., Canada
Abstract :
Rain fade depths at EHF (30/20 GHz) frequencies are very high and this paper shows that by properly choosing the satellite orbit location we can reduce the variation in required rain fade margin over the service areas and to some extent the amount of over-design required to serve equally well all users. For a Canadian EHF geostationary satellite, it is shown that the optimal subsatellite longitude is around 92.5°W. Existing Canadian orbital slots are all west of this optimal location and the penalty for use of these non-optimal locations is on the order of 2 dB at 30 GHz for a 99.75% availability
Keywords :
fading; land mobile radio; microwave propagation; millimetre wave propagation; mobile satellite communication; rain; tropospheric electromagnetic wave propagation; 20 GHz; 30 GHz; Canadian EHF communications satellite; Canadian orbital slots; EHF; SHF; availability; geostationary satellite; land mobile satellite system; non-optimal locations; optimal orbit location; optimal subsatellite longitude; over-design; rain fade depths; rain fade margin; service areas; Fading channels; Land mobile radio propagation factors; Microwave radio propagation meteorological factors; Millimeter wave radio propagation meteorological factors; Rain; Satellite mobile communication;
Conference_Titel :
Electrical and Computer Engineering, 1994. Conference Proceedings. 1994 Canadian Conference on
Conference_Location :
Halifax, NS
Print_ISBN :
0-7803-2416-1
DOI :
10.1109/CCECE.1994.405770
