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Iterative Frequency-Domain Detection for MIMO Systems with Strong Nonlinear Distortion Effects | IEEE Conference Publication | IEEE Xplore

Iterative Frequency-Domain Detection for MIMO Systems with Strong Nonlinear Distortion Effects


Abstract:

The transmitted signals in multi-input, multi-output (MIMO) systems employing singular value decomposition (SVD) techniques can have large envelope fluctuations, even whe...Show More

Abstract:

The transmitted signals in multi-input, multi-output (MIMO) systems employing singular value decomposition (SVD) techniques can have large envelope fluctuations, even when single-carrier modulations are employed, which leads to amplification difficulties and makes them prone to nonlinear distortion effects. In this paper we consider the use of MIMO-SVD techniques with single-carrier with frequency-domain equalization (SC-FDE) modulations, together with strongly nonlinear amplifiers. The singular modes are interleaved among the antennas, which allows improved performance. To achieve this potential performance, we propose an iterative frequency-domain receiver that combines equalization with cancellation of nonlinear distortion effects. Our performance results show that the proposed receivers can have excellent performance with just a few iterations, making this technique particularly interesting for point-to-point communications with multiple antennas at the transmitter and the receiver.
Date of Conference: 05-09 November 2018
Date Added to IEEE Xplore: 03 February 2019
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Conference Location: Moscow, Russia

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