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The market trends towards the use of smaller dish antennas for TV satellitereceivers, as well as the growing density of broadcasting satellites in orbitrequire the application of robust adjacent satellite interference (ASI)cancellation algorithms at the receivers. The wider beamwidth of a small sizedish and the growing number of satellites in orbit impose an overloadedscenario, i.e., a scenario where the number of transmitting satellites exceedsthe number of receiving antennas. For such a scenario, we present a two stagereceiver to enhance signal detection from the satellite of interest, i.e., thesatellite that the dish is pointing to, while reducing interference fromneighboring satellites. Towards this objective, we propose an enhancedList-based Group-wise Search Detection (LGSD) receiver architecture that takesinto account the spatially correlated additive noise and uses thesignal-to-interference-plus noise ratio (SINR) maximization criterion toimprove detection performance. Simulations show that the proposed receiverstructure enhances the performance of satellite systems in the presence of ASIwhen compared to existing methods.

Enhanced List-Based Group-Wise Overloaded Receiver with Application to Satellite Reception