Carrier and Power Assignment for Flexible Broadband GEO Satellite Communications System

Abdu, Tedros Salih; Lagunas, Eva; Kisseleff, Steven; Chatzinotas, Symeon

Reference : Carrier and Power Assignment for Flexible Broadband GEO Satellite Communications System


	Document type :	Scientific congresses, symposiums and conference proceedings : Paper published in a book
	Discipline(s) :	Engineering, computing & technology : Electrical & electronics engineering
	Focus Areas :	Security, Reliability and Trust
	To cite this reference:	http://hdl.handle.net/10993/43973

Title :	Carrier and Power Assignment for Flexible Broadband GEO Satellite Communications System
Language :	English
Author, co-author :	Abdu, Tedros Salih [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Lagunas, Eva [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
	Kisseleff, Steven [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)]
	Chatzinotas, Symeon [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Publication date :	2020
Main document title :	PIMRC 2020 Proceedings
Peer reviewed :	Yes
Audience :	International
Event name :	IEEE 31st International Symposium on Personal, Indoor and Mobile Radio Communications (IEEE PIMRC 2020)
Event date :	01-09-2020 to 03-09-2020
Event place (city) :	London
Event country :	UK
Keywords :	[en] Flexible GEO satellite ; Carrier allocation ; Power allocation ; Demand matching
Abstract :	[en] Current multi-beam GEO satellite systems operate under a limited frequency reuse configuration and considering uniform power assignment across beams. The latter has been shown to be inefficient in matching the geographic distribution of the traffic demand. In this context, next generation of broadband GEO satellite systems will be equipped with more flexible and reconfigurable payloads, facilitating on-demand resource allocation. In this paper, we consider both carrier and power assignment to match the requested beam demands while minimizing the total transmit power and the total utilized bandwidth. A novel optimization problem is formulated and, given its non-convex structure, we divide the problem into two tractable sub-problems. First, we estimate the number of adjacent frequency carriers required for each beam to satisfy its demand and, subsequently, we optimize the power allocation based on the previously assigned carriers. We validate the proposed method with extensive numerical results, which demonstrate its efficiency with respect to benchmark strategies.
Target :	Researchers ; Professionals ; Students ; General public ; Others
Permalink :	http://hdl.handle.net/10993/43973

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