Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.13091/94
Title: Effect of Generalized Improper Gaussian Noise and In-Phase/Quadrature-Phase Imbalance on Quadrature Spatial Modulation
Authors: Alsmadi, Malek M.
Canbilen, Ayşe Elif
Abu Ali, Najah
Ikki, Salama Said
Keywords: Improper Gaussian Noise
I
Q Imbalance
Imperfect Csi
Optimal Detection
Quadrature Spatial Modulation
Beckmann Fading Channel
I/Q Imbalance
Joint Impact
Mimo Systems
Circularity
Performance
Compensation
Issue Date: 2021
Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract: Quadrature spatial modulation (QSM) isa recently proposed multiple-input multiple-output (MIMO) wireless transmission paradigm that has garnered considerable research interest owing to its relatively high spectral efficiency. QSM essentially enhances the spatial multiplexing gain while maintaining all the inherent advantages of spatial modulation (SM). This work studies the effects of in-phase/quadrature-phase (I/Q) imbalance and improper Gaussian noise (IGN) on the performance of QSM. Considering a scenario where both receiver and transmitter operate under the effects of I/Q imbalance, we propose a novel receiver design that optimizes the system bit error rate (BER) when there is IGN at the receiver. Closed forms of the average pairwise error probability (APEP) and upper bound of the average BER formulas are derived. These formulas are derived considering the Beckmann fading channel model, where most well-known fading channel models can be considered special cases. The proposed designs demonstrate solid performance despite the effects of I/Q imbalance. In fact, these effects can be entirely eliminated if they exist at the receiver and significantly reduced at the transmitter. All analytical results were verified by computer simulations.
URI: https://doi.org/10.1109/OJSP.2021.3078097
https://hdl.handle.net/20.500.13091/94
ISSN: 2644-1322
Appears in Collections:Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections

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