Dr Sidrah Javed sidrah.javed@durham.ac.uk
Postdoctoral Research Associate
Asymmetric Modulation for Hardware Impaired Systems—Error Probability Analysis and Receiver Design
Javed, Sidrah; Amin, Osama; Ikki, Salama S.; Alouini, Mohamed-Slim
Authors
Osama Amin
Salama S. Ikki
Mohamed-Slim Alouini
Abstract
Error probability study of hardware impaired (HWI) systems highly depends on the adopted model. Considering the distinct improper Gaussian features of HWI systems, captured by recent models, HWI-aware receivers are designed. An optimal maximum likelihood (ML) receiver serves as a performance benchmark, and a sub-optimal linear minimum mean square error introduces a reduced-complexity implementation. Whereas, the conventional HWI-unaware minimum Euclidean distance receiver, based on the proper noise assumption, exhibits substandard performance. Next, the average error probability of the proposed optimal ML-receiver is analyzed, where several tight bounds and approximations are derived for various HWI systems. Motivated by the benefit of improper Gaussian signaling in mitigating HWI, which is proven in recent studies, asymmetric modulation is adopted and optimized for transmission. The numerical results demonstrate a bit error rate (BER) reduction up to 70% of the proposed HWI-aware receivers over HWI-unaware receivers. Moreover, the asymmetric modulation is shown to reduce the BER by 93%. These results signify the importance of incorporating accurate HWI models, designing appropriate receivers and optimizing signal transmission for the BER performance compensation.
Citation
Javed, S., Amin, O., Ikki, S. S., & Alouini, M.-S. (2019). Asymmetric Modulation for Hardware Impaired Systems—Error Probability Analysis and Receiver Design. IEEE Transactions on Wireless Communications, 18(3), 1723-1738. https://doi.org/10.1109/twc.2019.2896058
Journal Article Type | Article |
---|---|
Online Publication Date | Feb 6, 2019 |
Publication Date | 2019-03 |
Deposit Date | Dec 11, 2024 |
Journal | IEEE Transactions on Wireless Communications |
Print ISSN | 1536-1276 |
Electronic ISSN | 1558-2248 |
Publisher | Institute of Electrical and Electronics Engineers |
Peer Reviewed | Peer Reviewed |
Volume | 18 |
Issue | 3 |
Pages | 1723-1738 |
DOI | https://doi.org/10.1109/twc.2019.2896058 |
Public URL | https://durham-repository.worktribe.com/output/3214058 |
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