Journal
INTERNATIONAL JOURNAL OF SATELLITE COMMUNICATIONS AND NETWORKING
Volume 38, Issue 2, Pages 85-104Publisher
WILEY
DOI: 10.1002/sat.1312
Keywords
multibeam satellite; multicast precoding; k-means; clustering; satellite communications
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Funding
- European Space Agency (ESA) [4000116421/15/NL/FE]
- SatNEx IV COO2-PART1 WI4 Forward Packet Scheduling Strategies for Emerging Satellite Broadband Networks
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Next generation multibeam SatCom architectures will heavily exploit full frequency reuse schemes along with interference management techniques, eg, precoding or multiuser detection, to drastically increase the system throughput. In this framework, we address the problem of the user selection for multicast precoding by formulating it as a clustering problem. By introducing a novel mathematical framework, we design fixed/variable size clustering algorithms that group users into simultaneously precoded and served clusters while maximising the system throughput. Numerical simulations are used to validate the proposed algorithms and to identify the main system-level trade-offs.
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