NDLI: Study and Implementation of Switching and Beam-Hopping Tchniques in Satellites with On Board Processing

Content Provider	IEEE Xplore Digital Library
Author	Pecorella, T. Fantacci, R. Lasagni, C. Rosati, L. Todorova, P.
Copyright Year	2007
Description	Author affiliation: Florence Univ., Florence (Pecorella, T.; Fantacci, R.; Lasagni, C.)
Abstract	In this paper we address different downlink dynamic bandwidth allocation (DBA) techniques in a GEO stationary (GEO) satellite communication network. The goal is designing a low complexity system which can adapt to the terminal traffic requests. We investigate a possible way to increase the performance of the system by means of an interaction between on-board switching fabric (SF) and beam hopping (BH). We consider a system where an adaptive process provides uplink DBA, whereas a BH module works as downlink bandwidth allocator. Specifically, the BH module determines the number of carriers to be allocated to each downlink spot-beam on the basis of the traffic queues at the input of the SF. Simulation results show that the interaction between SF and BH is a good candidate to increase the performance of the system, since it allows reducing queue sizes in the satellite.
Starting Page	206
Ending Page	210
File Size	3070497
Page Count	5
File Format	PDF
ISBN	9781424409389
DOI	10.1109/IWSSC.2007.4409417
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-09-13
Publisher Place	Austria
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Artificial satellites Diffserv networks Satellite broadcasting Bandwidth Quality of service Channel allocation Traffic control Downlink Frequency conversion Digital video broadcasting
Content Type	Text
Resource Type	Article

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