Reference : Performance Analysis of Fractionally Spaced Equalization in Non-linear Multicarrier S...
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/18869
Performance Analysis of Fractionally Spaced Equalization in Non-linear Multicarrier Satellite Channels
English
Piazza, Roberto mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Shankar, Bhavani mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Berheide, Tobias mailto [TZR]
Graesslin, Michael mailto [TZR]
Cioni, Stefano mailto [TEC-ETC]
5-Aug-2014
Proceedings of 32nd AIAA International Communications Satellite Systems Conference (ICSSC),
Yes
International
ICSSC
4-7 August 2014
[en] Joint amplification of multiple carriers with a single wideband high power amplifier (HPA) has been considered towards reusing the satellite resources among multiple links to reduce the mission cost. The non-linear characteristic of the HPA, especially near saturation, coupled with the on-board IMUX/ OMUX filters result in non-linear adjacent carrier interference (ACI) and inter-symbol interference (ISI) during multicarrier power amplification. To benefit from the advantages of multicarrier transmissions, on-ground techniques to mitigate the non-linear distortions need to be devised. These techniques include predistortion at the transmitter and equalization at the receiver. Several works have considered the use of multicarrier predistortion along with single carrier equalization. A symbol synchronous equalizer, while being simple to implement, may not necessarily provide for the optimum linear filter. Towards improving the performance, fractionally spaced equalizers (FSE) have been considered. Such receivers are shown to provide enhanced performance by effectively compensating for the group delay distortions. The objective of this work is to consider the use of FSE in the context of multicarrier transmissions over non-linear channels and illustrate their performance enhancements
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/18869

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