NDLI: Mean angle of arrival, angular and Doppler spreads estimation in multiple-input multiple-output system

Content Provider	IET Digital Library
Author	Rejeb, Nessrine Ben Bousnina, Ines Salah, Mohamed Bassem Ben Samet, Abdelaziz
Abstract	In this paper, the authors propose a new method to simultaneously estimate the mean angle of arrival (AoA), the angular spread (AS) and the maximum Doppler spread (DS). They exploit the multiple-input multiple-output (MIMO) Rayleigh channel with uniform linear arrays at both the transmitter and the receiver. They also consider the Gaussian and the Laplacian angular distributions for the incoming AoAs. The proposed method uses the first and the second derivatives of the received signals cross-correlation functions. They take as benchmarks two estimators from the literature for the three parameters estimates. The spread root multiple signal classification (MUSIC) (SRM) estimator is used for the mean AoA and the AS parameters, whereas the auto-correlation function (ACF)-based approach is considered for the maximum DS estimates. These methods were developed for single-input multiple-output and single-input single-output systems. In this paper, the authors extend these algorithms to a MIMO configuration. Simulation results show that their algorithm outperforms the SRM one for the mean AoA and the AS estimation. For the maximum DS estimation, their approach offers lower error rate than the ACF-based one when the AS and the mean AoA are small. For higher values of the couple AS and mean AoA, their algorithm presents similar results.
Starting Page	395
Ending Page	402
Page Count	8
ISSN	17519675
Volume Number	9
e-ISSN	17519683
Issue Number	Issue 5, Jul (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-spr/9/5
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-spr.2014.0173
Journal	IET Signal Processing
Publisher Date	2015-06-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	ACF-based Approach Angle of Arrival Estimation Angular Spread Estimation AoA Parameter Estimation Array Signal Processing AS Parameter Estimation Autocorrelation Function Correlation Theory Direction of Arrival Estimation Doppler Spread Estimation Gaussian Angular Distribution Gaussian Distribution Laplacian Angular Distribution Maximum DS Estimation MIMO Communication MIMO Rayleigh Channel Model Multiple Input Multiple Output Radio Link And Equipment Radio Receiver Radio Transmitters Rayleigh Channel Received Signal Crosscorrelation Function Receiver Signal Processing And Detection Single Input Multiple Output System Single Input Single Output System Spread Root MUSIC SRM Statistics Transmitter Uniform Linear Array
Content Type	Text
Resource Type	Article
Subject	Signal Processing Electrical and Electronic Engineering

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