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Multiple gateway transmit diversity in Q/V band feeder links
(Signal Processing)
2015 (English)In: IEEE Transactions on Communications, ISSN 0090-6778, E-ISSN 1558-0857, Vol. 63, no 3, 916-926 p.Article in journal (Refereed) Published
Abstract [en]

Design of high bandwidth and reliable feeder links are central toward provisioning new services on the user link of a multibeam satellite communication system. Toward this, utilization of the Q/V band and an exploitation of multiple gateways (GWs) as a transmit diversity measure for overcoming severe propagation effects are being considered. In this context, this contribution deals with the design of a feeder link comprising N+P GWs (N active and P redundant GWs). Toward provisioning the desired availability, a novel switching scheme is analyzed and practical aspects such as prediction-based switching and switching rate are discussed. Unlike most relevant works, a dynamic rain attenuation model is used to analytically derive average outage probability in the fundamental 1 + 1 GW case. Building on this result, an analysis for the N+P scenario leading to a quantification of the end-to-end performance is provided. This analysis aids system sizing by illustrating the interplay between the number of active and redundant GWs on the chosen metrics: average outage and average switching rate.

Place, publisher, year, edition, pages
IEEE Press, 2015. Vol. 63, no 3, 916-926 p.
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:kth:diva-163724DOI: 10.1109/TCOMM.2014.2385703ISI: 000351507600027ScopusID: 2-s2.0-84925071135OAI: oai:DiVA.org:kth-163724DiVA: diva2:1082079
Note

QC 20170321

Available from: 2017-03-15 Created: 2017-03-15 Last updated: 2017-03-21Bibliographically approved

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