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MMSE Performance Analysis of Generalized Multibeam Satellite Channels
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2013 (English)In: IEEE Communications Letters, ISSN 1089-7798, Vol. 17, no 7, 1332-1335 p.Article in journal (Refereed) Published
Abstract [en]

Aggressive frequency reuse in the return link (RL) of multibeam satellite communications (SatComs) is crucial towards the implementation of next generation, interactive satellite services. In this direction, multiuser detection has shown great potential in mitigating the increased intrasystem interferences, induced by a tight spectrum reuse. Herein we present an analytic framework to describe the linear Minimum Mean Square Error (MMSE) performance of multiuser channels that exhibit full receive correlation: an inherent attribute of the RL of multibeam SatComs. Analytic, tight approximations on the MMSE performance are proposed for cases where closed form solutions are not available in the existing literature. The proposed framework is generic, thus providing a generalized solution straightforwardly extendable to various fading models over channels that exhibit full receive correlation. Simulation results are provided to show the tightness of the proposed approximation with respect to the available transmit power.

Place, publisher, year, edition, pages
2013. Vol. 17, no 7, 1332-1335 p.
Keyword [en]
fading channels, mean square error methods, multiuser detection, radiofrequency interference, satellite communication, MMSE performance analysis, SatComs, aggressive frequency reuse, fading models, generalized multibeam satellite channels, interactive satellite services, intrasystem interferences, linear minimum mean square error performance, multibeam satellite communications, multiuser detection, return link, spectrum reuse, Multiuser detection, linear minimum mean square error receivers, multibeam satellites, return link
National Category
Signal Processing
URN: urn:nbn:se:kth:diva-136553DOI: 10.1109/LCOMM.2013.052013.122658ISI: 000322332600010ScopusID: 2-s2.0-84881097035OAI: diva2:676379

QC 20140306

Available from: 2013-12-05 Created: 2013-12-05 Last updated: 2014-03-06Bibliographically approved

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Ottersten, Björn
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