Improved Multiuser Detection in Asynchronous Flat-Fading Non-Gaussian Channels
K. Vidyullatha, S.V.N.L. Tejaswi, V. Harish, T. Anil Kumar
TL;DR
This paper introduces a new M-estimator for multiuser detection in asynchronous flat-fading non-Gaussian CDMA channels, providing a closed-form interference characteristic function and demonstrating improved detection performance through simulations.
Contribution
It presents a novel M-estimator and derives a closed-form expression for interference, enhancing detection accuracy in complex channel conditions.
Findings
Derived a closed-form characteristic function for interference
Simulation results confirm improved bit-error rate performance
Effective in asynchronous flat-fading non-Gaussian channels
Abstract
In this paper, a new M-estimator based multiuser detection in asynchronous flat-fading non-Gaussian CDMA channels is considered. A new closed-form expression is derived for the characteristic function of the multiple-access interference signals. Simulation results are provided to prove the effectiveness of the derived bit-error probabilities obtained with this expression in asynchronous flat-fading non-Gaussian CDMA channels.
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