Automatic modulation classification using interacting multiple model - Kalman filter for channel estimation

Salam, A.O. Abdul, Sheriff, Ray E. ORCID: 0000-0003-4143-692X, Hu, Yim-Fun, Al-Araji, Saleh R. and Mezher, Kahtan (2019) Automatic modulation classification using interacting multiple model - Kalman filter for channel estimation. IEEE Transactions on Vehicular Technology, 68 (9). pp. 8928-8939. ISSN 0018-9545

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Abstract

A rigorous model for automatic modulation classification (AMC) in cognitive radio (CR) systems is proposed in this paper. This is achieved by exploiting the Kalman filter (KF) integrated with an adaptive interacting multiple model (IMM) for resilient estimation of the channel state information (CSI). A novel approach is proposed, in adding up the squareroot singular values (SRSV) of the decomposed channel using the singular value decompositions (SVD) algorithm. This new scheme, termed Frobenius eigenmode transmission (FET), is chiefly intended to maintain the total power of all individual effective eigenmodes, as opposed to keeping only the dominant one. The analysis is applied over multiple-input multiple-output (MIMO) antennas in combination with a Rayleigh fading channel using a quasi likelihood ratio test (QLRT) algorithm for AMC. The expectation-maximization (EM) is employed for recursive computation of the underlying estimation and classification algorithms. Novel simulations demonstrate the advantages of the combined IMM-KF structure when compared to the perfectly known channel and maximum likelihood estimate (MLE), in terms of achieving the targeted optimal performance with the desirable benefit of less computational complexity loads.

Item Type: Article
Divisions: School of Engineering
Depositing User: Tracey Gill
Date Deposited: 26 Sep 2019 07:35
Last Modified: 26 Sep 2019 07:45
Identification Number: 10.1109/TVT.2019.2930469
URI: http://ubir.bolton.ac.uk/id/eprint/2502

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