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The major objectives of this activity are
The activity also aims at the investigation and demonstration of additional front-end processing to perform apart from
The development of the targeted wideband front end faces as major challenges the
The key features of the aimed wideband flexible front-end allows its application to satellite terminals intended to support a wide range of existing or emerging services, reaching from
The capability of digital beam forming processing at front-end level may even stimulate novel applications/ receiver types such as portable terminals with small multi-feed antennas, characterised by electronically adjustable beams.
In order exploit the widest possible range of potential applications, the following key features for the targeted wideband flexible front-end, being an essential part of a satellite receiver, have been identified:
The wideband channeliser can extract up to 32 independent channels from an instantaneous bandwidth of about 2 GHz (200 – 2200 MHz)
Each of these channels is independently configurable at run-time allowing
The Digital Beamforming has been designed for a typical DTH reception scenario, i.e. a stationary user terminal receiving signals from a GEO satellite. The developed solution is based on a considerably extended MPDR beamforming algorithm. The extensions have been introduced, in order to increase robustness and adaptability against anticipated constant and time varying residual errors.
The novel DBF approach
Completed in January 2017.