Journal ArticleDOI
Novel Pilot Design and Signal Detection for SC-FDE Systems With Frequency-Domain Pilot Multiplexing Technique
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TLDR
In this article, the authors explore the relationship between distorted symbols and decision boundaries, and propose a pilot position selection (PPS) scheme to confine the distorted symbols within their designated decision regions, which dispenses with a priori knowledge of the channel.Abstract:
The performance of single-carrier frequency-domain equalization systems with the frequency-domain pilot multiplexing technique is affected by the level of signal distortion, which highly depends on the pilot position selection (PPS) scheme at the transmitter and the signal detection (SD) scheme at the receiver. In this letter, by exploring the relationship between distorted symbols and decision boundaries, we propose a novel PPS scheme to confine the distorted symbols within their designated decision regions, which dispenses with a priori knowledge of the channel. Based on the maximum-likelihood criterion, we also propose a novel SD scheme to avoid error propagation, which operates on a symbol-by-symbol basis. Simulation results on bit error rate show that our proposed PPS scheme achieves almost the same performance as the optimal one and our proposed SD scheme outperforms the existing one in additive white Gaussian noise channels; in addition, both proposed schemes outperform their existing counterparts in frequency-selective Rayleigh fading channels.read more
Citations
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Journal ArticleDOI
Joint complex regularised zero-forcing equalisation and CFO compensation for MIMO SC-FDMA systems
TL;DR: Simulation results show that the JCRZF equaliser outperforms ZF based equalisers in terms of bit error rate while preserving their potential complexity and appropriate robustness to CFO estimation errors.
Journal ArticleDOI
A Novel Signal Detection Scheme Based on Adaptive Ensemble Deep Learning Algorithm in SC-FDE Systems
TL;DR: This paper proposes a novel signal detection scheme based on adaptive ensemble long short term memory neural network to handle wireless single carrier frequency domain equalization (SC-FDE) systems in an end-to-end manner and achieves better performance in terms of reliability than the traditional scheme and the similar deep learning scheme.
Journal ArticleDOI
Robust Single Carrier Frequency Domain Equalization With Imperfect Channel Knowledge
TL;DR: This paper considers a robust SC-FDE design with imperfect channel knowledge at a receiver due to the channel estimation error, and proposes two robust FDE schemes in coded systems, where feedback from the channel decoder is utilized to improve the equalization and/or channel estimation performance.
Journal ArticleDOI
Novel Pilot Position Detection for SC-FDE Systems With Frequency Domain Pilot Multiplexing Technique
TL;DR: A novel PPD scheme based on the maximum-likelihood criterion is proposed that significantly improves the PPD accuracy and outperforms the existing counterparts in terms of bit error rate.
Journal ArticleDOI
Joint Iterative Channel Estimation and Frequency-Domain Turbo Equalization for Single-Carrier Spatial Modulation
TL;DR: A new class of robust FDTE designs based on the minimum mean-square error (MMSE) criterion is conceived for broadband single-carrier SM (SC-SM) systems relying on realistic imperfect channel knowledge.
References
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Proceedings Article
Wireless communications
TL;DR: This book aims to provide a chronology of key events and individuals involved in the development of microelectronics technology over the past 50 years and some of the individuals involved have been identified and named.
Journal ArticleDOI
Frequency domain equalization for single-carrier broadband wireless systems
TL;DR: This article surveys frequency domain equalization (FDE) applied to single-carrier (SC) modulation solutions and discusses similarities and differences of SC and OFDM systems and coexistence possibilities, and presents examples of SC-FDE performance capabilities.
Journal ArticleDOI
Polyphase codes with good periodic correlation properties (Corresp.)
TL;DR: This correspondence describes the construction of complex codes of the form exp i \alpha_k whose discrete circular autocorrelations are zero for all nonzero lags.
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