Reference : On-board Signal Predistortion for Digital Transparent Satellites
Scientific congresses, symposiums and conference proceedings : Paper published in a book
Engineering, computing & technology : Electrical & electronics engineering
http://hdl.handle.net/10993/20818
On-board Signal Predistortion for Digital Transparent Satellites
English
Mazzali, Nicolò 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) > >]
Ottersten, Björn mailto [University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > >]
Jun-2015
Proceedings on IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
Yes
International
16th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC)
from 28-06-2015 to 01-07-2015
Stockholm
Sweden
[en] on-board processing ; signal predistortion ; clock jitter compensation ; reduced-complexity algorithm
[en] On-board processing (OBP), a paradigm that allows for manipulation of the signal at the satellite transponder, is being embraced by a large section of the satellite community. Exploiting OBP can lead to efficient implementation, bandwidth saving, lower redundancy, and better performance. Enabling processing aboard a satellite necessitates re-assessing the implementation of a number of signal processing techniques which, so far, have been ground-centric. In this work, we investigate the possibility of implementing signal predistortion (SPD) aboard a satellite having digital transparent processor (DTP). Such satellites employ transponders that allow for the implementation of limited functionalities in the digital domain. On-board predistortion can then be performed on the digitized data and can provide better performance compared to on-ground techniques. However, the conversion to the digital domain performed by an analog-to-digital converter (ADC) introduces different types of noise. Among these, the clock jitter requires the implementation of estimation and compensation algorithms. In this paper we propose a reduced-complexity on-board signal predistortion algorithm capable of post-compensating the jitter introduced by the ADC, and pre-compensating the distortion generated by the amplifier.
Interdisciplinary Centre for Security, Reliability and Trust
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/20818

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