Comparison of two sub-optimum MLSE receivers for band-limited nonlinear channel

Comparison of two sub-optimum MLSE receivers for band-limited nonlinear channel

In this dissertation, we compared the performance of two sub-optimum receiver structure [1,2] for QPSK signals over a digital satellite communications channel, with downlink filtering following a nonlinear satellite transponder. The first receiver, Adaptive Threshold Detection with Estimated Sequenc...

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Bibliographic Details
Main Author: Khoo, Sunny Cheng Kong.
Other Authors: Dubey, Vimal Kishore
Format: Theses and Dissertations
Language:English
Published: 2008
Subjects:
DRNTU::Engineering::Electrical and electronic engineering::Satellite telecommunication
DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
Online Access:http://hdl.handle.net/10356/13262
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Institution: Nanyang Technological University
Language: English
Description
Summary:In this dissertation, we compared the performance of two sub-optimum receiver structure [1,2] for QPSK signals over a digital satellite communications channel, with downlink filtering following a nonlinear satellite transponder. The first receiver, Adaptive Threshold Detection with Estimated Sequence (ATDES) receiver [2] is capable of correcting channel degradation resulting from InterSymbol Interference and variations in transponder operating point encountered in a satellite communication system. The second receiver structure developed in [1], based on Average Matched Filter receiver, has also shown to perform well over various transponder back-off points.

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