Hardware Demonstration of Precoded Communications in Multi-Beam UHTS

Hardware Demonstration of Precoded Communications in Multi-Beam UHTS

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Advances in Communications Satellite Systems Proceedings of The 36th International Communications Satellite Systems Conference (ICSSC-2018) — Recommend this title to your library

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In this paper, we present a hardware test-bed to demonstrate closed-loop precoded communications for interference mitigation in the forward link of the multi-beam ultra-high throughput satellite systems. The hardware demonstrator is a full-chain closedloop communication system with a multi-beam DVB-S2X compliant gateway, a satellite payload, and MIMO channel emulator and a set of DVB-S2X user terminals with real-time CSI estimation and feedback. We experimentally show the feasibility of Precoding implementation in satellite communications based on the superframe structure DVB-S2X standard. Using the test-bed we have a possibility to run real-time precoded DVB-S2X communication and benchmark its performance under realistic environment. The hardware demonstrator is suitable to perform realistic benchmarks of Blockand Symbol-level Precoding techniques for multicast and unicast user scheduling scenarios.

Inspec keywords: digital video broadcasting; precoding; direct broadcasting by satellite; telecommunication scheduling; interference suppression; MIMO communication

Other keywords: DVB-S2X user terminals; hardware demonstration; full-chain closedloop communication system; hardware test-bed; hardware demonstrator; Precoding implementation; multibeam ultra-high throughput satellite systems; closed-loop precoded communications; satellite payload; multibeam DVB-S2X compliant gateway; satellite communications; feedback; Blockand Symbol-level Precoding techniques; multibeam UHTS systems; superframe structure DVB-S2X standard; real-time precoded DVB-S2X communication; MIMO channel emulator

Subjects: Satellite communication systems; Radio and television broadcasting; Other topics in statistics; Electromagnetic compatibility and interference; Codes

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