NDLI: Adaptive equalisation using particle swarm optimisation for uplink SC-FDMA

Content Provider	IET Digital Library
Author	Iqbal, N. Zerguine, A. Dhahir, N. Al
Abstract	An adaptive frequency-domain equaliser for the single carrier frequency division multiple access (SC-FDMA) system using the particle swarm optimisation (PSO) technique is proposed. Unlike the stochastic gradient and recursive least squares algorithms, the PSO is known to have fast convergence which does not depend on the underlying structure. The cost function used in a PSO is formulated based on the respective structure of the equaliser, whether it is a linear equaliser or a decision feedback equaliser. The robustness of the proposed PSO algorithm is demonstrated on a high Doppler scenario. Furthermore, it is shown that the performance improves more when using re-randomisation. Finally, it is shown that the PSO-based frequency-domain equaliser is more computationally efficient than its time-domain counterpart.
Starting Page	469
Ending Page	471
Page Count	3
ISSN	00135194
Volume Number	50
e-ISSN	1350911X
Issue Number	Issue 6, Mar (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/50/6
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2013.4091
Journal	Electronics Letters
Publisher Date	2014-03-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Adaptive Equalisation Adaptive Equalisers Adaptive Frequency Domain Equaliser Communication Channel Equalisation And Identification Cost Function Decision Feedback Equaliser Decision Feedback Equalisers Frequency Division Multiple Access Linear Equaliser Multiple Access Communication Optimisation Technique Particle Swarm Optimisation Radio Link And Equipment Single Carrier Frequency Division Multiple Access Uplink SC-FDMA
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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