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Power Allocation for Multibeam Satellite Communications with Nonlinear Impairments

Arthur Louchart 1 Philippe Ciblat 1 Charly Poulliat 2, 3 
1 COMNUM - Communications Numériques
LTCI - Laboratoire Traitement et Communication de l'Information
2 IRIT-SC - Signal et Communications
IRIT - Institut de recherche en informatique de Toulouse
Abstract : In the context of multibeam satellite uplink communications, we derive a closed-form expression for the sum rate when nonlinearity related to the high power amplifier is taken into account. We then propose a per-user power allocation for maximizing this sum rate. We resort to Signomial Programming. We show significant performance robustness compared to the allocation done by using linear regime only.
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Contributor : Philippe CIBLAT Connect in order to contact the contributor
Submitted on : Tuesday, February 15, 2022 - 3:59:00 PM
Last modification on : Monday, July 4, 2022 - 9:15:53 AM
Long-term archiving on: : Monday, May 16, 2022 - 8:22:56 PM


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  • HAL Id : hal-03575610, version 1


Arthur Louchart, Philippe Ciblat, Charly Poulliat. Power Allocation for Multibeam Satellite Communications with Nonlinear Impairments. 25th International ITG Workshop on Smart Antennas (WSA 2021), Nov 2021, Sophia Antipolis, France. ⟨hal-03575610⟩



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