We propose a framework, based on the combined use of single- and multiuser detection, to jointly optimize the achievable rates of two signals sharing the same frequency in the forward link of a multibeam satellite system. We propose then the application of the described framework to two different scenarios of interest. First, we consider a uniform coverage scenario, aimed at maximizing the average throughput per beam in a realistic coverage condition. We compare different solutions, based on alternative frequency reuse schemes and different receiver strategies. We demonstrate that the use of multiuser detection can achieve significant gains over a reference strategy based on single-user detection. Next, we analyze a “hotspot” case, where resources are pulled from empty beams to serve a beam with a high service demand. Also in this case, we compare several strategies and frequency reuse schemes. We show that the best performance is achieved by a scheme adopting 3 colors and single-user detection

Capacity of Interference Exploitation Schemes in Multibeam Satellite Systems / Ugolini, Alessandro; Colavolpe, Giulio; Angelone, Martina; Vanelli-Coralli, Alessandro; Ginesi, Alberto. - In: IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS. - ISSN 0018-9251. - (2019), pp. 3230-3245. [10.1109/TAES.2019.2902450]

Capacity of Interference Exploitation Schemes in Multibeam Satellite Systems

Ugolini, Alessandro;Colavolpe, Giulio;
2019-01-01

Abstract

We propose a framework, based on the combined use of single- and multiuser detection, to jointly optimize the achievable rates of two signals sharing the same frequency in the forward link of a multibeam satellite system. We propose then the application of the described framework to two different scenarios of interest. First, we consider a uniform coverage scenario, aimed at maximizing the average throughput per beam in a realistic coverage condition. We compare different solutions, based on alternative frequency reuse schemes and different receiver strategies. We demonstrate that the use of multiuser detection can achieve significant gains over a reference strategy based on single-user detection. Next, we analyze a “hotspot” case, where resources are pulled from empty beams to serve a beam with a high service demand. Also in this case, we compare several strategies and frequency reuse schemes. We show that the best performance is achieved by a scheme adopting 3 colors and single-user detection
2019
Capacity of Interference Exploitation Schemes in Multibeam Satellite Systems / Ugolini, Alessandro; Colavolpe, Giulio; Angelone, Martina; Vanelli-Coralli, Alessandro; Ginesi, Alberto. - In: IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS. - ISSN 0018-9251. - (2019), pp. 3230-3245. [10.1109/TAES.2019.2902450]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11381/2859427
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