A survey of autonomous vehicles: Enabling communication technologies and challenges

MN Ahangar, QZ Ahmed, FA Khan, M Hafeez - Sensors, 2021 - mdpi.com
The Department of Transport in the United Kingdom recorded 25,080 motor vehicle fatalities
in 2019. This situation stresses the need for an intelligent transport system (ITS) that …

Feature-based generalized Gaussian distribution method for NLoS detection in ultra-wideband (UWB) indoor positioning system

F Che, QZ Ahmed, J Fontaine… - IEEE Sensors …, 2022 - ieeexplore.ieee.org
Nonline-of-sight (NLoS) propagation condition is a crucial factor affecting the precision of the
localization in the ultra-wideband (UWB) indoor positioning system (IPS). Numerous …

Ultrawide bandwidth receiver based on a multivariate generalized Gaussian distribution

QZ Ahmed, KH Park, MS Alouini - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
Multivariate generalized Gaussian density (MGGD) is used to approximate the multiple
access interference (MAI) and additive white Gaussian noise in pulse-based ultrawide …

Minimizing the symbol-error-rate for amplify-and-forward relaying systems using evolutionary algorithms

QZ Ahmed, S Ahmed, MS Alouini… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
In this paper, a new detector is proposed for an amplify-and-forward (AF) relaying system.
The detector is designed to minimize the symbol-error-rate (SER) of the system. The SER …

Performance Comparison Between Coherent and Non-Coherent Approaches for Over-the-Air Computation

Y Lee, J Hwang, IH Lee, H Jung… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Over-the-air computation (OAC) can effectively support rapid data aggregation from a
plethora of devices, exploiting the inherent superposition property of wireless multiple …

Joint estimation of time difference of arrival and frequency difference of arrival for cyclostationary signals under impulsive noise

Y Liu, T Qiu, J Li - Digital Signal Processing, 2015 - Elsevier
The problem of jointly estimating time difference of arrival (TDOA) and frequency difference
of arrival (FDOA) or Doppler has a variety of practical applications. The conventional cyclic …

Anomaly detection based on generalized Gaussian distribution approach for ultra-wideband (uwb) indoor positioning system

F Che, QZ Ahmed, FA Khan… - 2021 26th International …, 2021 - ieeexplore.ieee.org
With the rapid development of the Internet of Things (IoT), Indoor Positioning System (IPS)
has attracted significant interest in academic research. Ultra-Wideband (UWB) is an …

Attention-based joint training of noise suppression and sound event detection for noise-robust classification

JY Son, JH Chang - Sensors, 2021 - mdpi.com
Sound event detection (SED) recognizes the corresponding sound event of an incoming
signal and estimates its temporal boundary. Although SED has been recently developed …

Bluetooth Low Energy Dataset Using In-Phase and Quadrature Samples for Indoor Localization

SG Leitch, QZ Ahmed, B Van Herbruggen… - IEEE Sensors …, 2024 - ieeexplore.ieee.org
One significant challenge in research is to collect a large amount of data and learn the
underlying relationship between the input and the output variables. This paper outlines the …

Device free detection in impulse radio ultrawide bandwidth systems

WB Abbas, F Che, QZ Ahmed, FA Khan, T Alade - Sensors, 2021 - mdpi.com
In this paper, an analytical framework is presented for device detection in an impulse radio
(IR) ultra-wide bandwidth (UWB) system and its performance analysis is carried out. The …