Title :
Reducing VSAT aperture via satellite MIMO
Author :
Jayasimha, S. ; Jyothendar, P.
Author_Institution :
Signion Syst. Ltd., Hyderabad
Abstract :
Using multiple-input-multiple-output processing for terrestrial multi-path channels is well known. We describe here its use in reducing a terminalpsilas aperture for line-of-sight satellite communications. Differential delay and Doppler between a satellite-pair are equalized at the hub transmitter (for a point-to-point system employing a 2times1 space-time encoder) or the remote receiver (for a dual-satellite polarization diversity system for point-to-multipoint applications) via interference cancellation. System performance is provided for both cases.
Keywords :
MIMO communication; VSAT networks; multipath channels; VSAT aperture; dual-satellite polarization diversity system; hub transmitter; interference cancellation; line-of-sight satellite communications; multiple-input-multiple-output processing; point-to-multipoint applications; point-to-point system; remote receiver; satellite MIMO; satellite-pair; space-time encoder; terrestrial multi-path channels; Aperture antennas; Delay estimation; Frequency estimation; Interference cancellation; MIMO; Satellite antennas; Time division multiple access; Transmitters; Transmitting antennas; Transponders;
Conference_Titel :
Military Communications Conference, 2008. MILCOM 2008. IEEE
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2676-8
Electronic_ISBN :
978-1-4244-2677-5
DOI :
10.1109/MILCOM.2008.4753500
