The expansion of 5G infrastructure and the deployment large antenna arrays are set to substantially influence electromagnetic field (EMF) exposure levels within mobile networks. As a result, accurate measurement EMF integration constraints into radio resource management expected become increasingly important in future communication systems. This paper provides comprehensive review evaluation frameworks for networks, considering impacts high-energy beams, millimeter wave spectrum, network...

In this paper, we propose a unified deep learning model for monitoring elderly in execution of daily life activities such as eating, sleeping or taking medication. The proposed approach consists three stages which are activity recognition, anomaly detection and next prediction. Such system can provide useful information the elderly, caregivers medical teams to identify generate preventive corrective measures. literature, these discussed separately, however, our approach, make use each stage...

The intrusion detection system (IDS) is a promising technology for ensuring security against cyber-attacks in internet-of-things networks. In conventional IDS, anomaly and feature extraction are performed by two different models. this paper, we propose new integrated model based on deep autoencoder (AE) extraction. Firstly, AE trained normal network traffic used later to detect anomalies. Then, the employed again extract useful low-dimensional features anomalous data without need training...

Abstract A datacentre stores information and manages data access in fast reliable manner. Failure of operation is not an option can be catastrophic. Internet things (IoT) devices automate management tasks reduce human intervention error. IoT used to manage many routine such as monitoring physical infrastructure, updating software configuration, network traffic, automating alerting reports respective authorities. The cyber security the handled by technology intrusion detection methods. By...

In this article, we propose an iterative soft decision feedback (ISDF) equalizer to compensate for the chromatic dispersion and nonlinear phase noise effects in 30-Gbaud coherent optical filter bank multicarrier with off-set quadrature amplitude modulation (FBMC/OQAM) system. Conventional FBMC/OQAM system usually uses a 1-tap zero-forcing per subcarrier combat inter-symbol interference (ISI) caused by (CD) fiber. However, residual ISI inter-carrier (ICI) still remain have significant impact...

The Internet of Things (IoT) empowers the development heterogeneous systems for various application domains using embedded devices and diverse data transmission protocols. Collaborative integration these in industrial domain leads to incompatibility interoperability at different automation levels, requiring unified coordination exchange information efficiently. hardware specifications are resource-constrained, limiting their performance resource allocation, management, remote process...

As 5G mobile networks continue to proliferate in dense urban environments, it becomes increasingly important understand and mitigate excessive electromagnetic field (EMF) exposure. This study investigates how the downlink EMF exposure levels of millimeter wave (mm-wave) are influenced by integration multi-active reconfigurable intelligent surfaces (RISs), using a ray-tracing approach. Our research employs comprehensive two-step methodology: Firstly, we introduce new RIS-assisted mm-wave...

Continuous-variable quantum key distribution (CV-QKD) with a real local oscillator (LO) experiences phase attack security challenge due to the reference pulses transmitted along signals over an unsecure channel. In this paper, on of CV-QKD LO is investigated. The performance discrete-modulated (DM) under analyzed analytically and by simulation, compared Gaussian-modulated (GM) CV-QKD. It found that such eavesdropper's, significantly reduce transmission distance for GM based CV-QKD, whereas,...

Continuous variable quantum key distribution (CV-QKD) using a local-local oscillator (LLO) is recently proposed to overcome security issues in conventional CV-QKD systems. However, Eve can manipulate the phase or amplitude of reference pulse (PRP) transmitted over insecure channel, which has opened door new issues. Maintaining optimal performance and preventing Eve's activities on channel depends such choice modulation technique. In this paper, employing LLO free space optical (FSO) under...

In this paper, we report the results of radio propagation characterisation in a pedestrian tunnel with different crowd densities at 24 GHz using commercial ray-tracing software called Wireless InSite. The 3D empty and human body models created computer-aided design imported into model is based on connecting Suria KLCC, which located heart Kuala Lumpur. Five three-dimensional (3D) levels detail were developed tested. investigated 0, 0.05, 0.1, 0.15 0.2 people/m <sup...

In this paper, a new precoder for coherent optical filter bank multicarrier with offset quadrature amplitude modulation (FBMC/OQAM) system is proposed. The designed based on an iterative polynomial eigenvalue decomposition (PEVD) algorithm to jointly mitigate the inter-symbol interference and inter-carrier interference. PEVD used decompose channel matrix into eigenvectors eigenvalues matrices, then decomposed matrices. acts as applied each subcarrier its adjacent subcarriers. addition,...

Purpose – The purpose of this paper is to propose a robust correntropy assisted blind channel estimator for multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) improved gains estimation and ordering sign ambiguities resolution in non-Gaussian noise channel. Design/methodology/approach independent component analysis with L 1 -norm cost function used estimation. Then correntropy-based method formulated resolve the order estimates. Findings Simulation study on...

The use of constant modulus algorithm (CMA) and correntropy in blind adaptive equalization requires choosing a suitable cost function such that the FIR equalizer removes sufficient intersymbol interference (ISI). A based on minimizing absolute difference between output source symbol is proposed compared with conventional CMA functions. Simulation study both Gaussian impulsive additive noise scenarios show improved overall performance.

We investigate the use of high-dimensional quantum key distribution (HD-QKD) for wireless access to hybrid quantum-classical networks. <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><tex-math notation="LaTeX">$d$</tex-math></inline-formula> -dimensional time-phase encoded states exchange a secret between an indoor user and central office on other end network. evaluate performance in case transmitting classical signals over same...

In this paper, the performance of chromatic dispersion compensation for offset quadrature amplitude modulation/filter bank multicarrier (OQAM/FBMC) based coherent WDM using digital filtering is evaluated. The filter applied to equalize at data rate 60 Gbit/s per user a 16-channel system. evaluated different channel spacing, optical signal-to-noise ratio, linear and nonlinear impairments fiber lengths. Simulation results show that, capable compensating distortion high over distance 80 km...

Source separation of a mixed signal in the time-frequency domain is critical for joint communication and radar (JCR) systems to achieve required performance, especially at low signal-to-noise ratio (SNR).In this paper, we propose use generative model, such as unsupervised variational autoencoder (VAE), separate sensing data signals.We first analyse VAE system using different mask techniques; then, best technique selected comparison with popular blind source (BSS) algorithms.We verify...

Sequential prediction is an essential component of Artificial Intelligence (AI) and Machine Learning (ML) in a number domains. In this paper, we analyze the performance sequential algorithms that are used to predict next event smart environments. We first employ three algorithms, namely LZ78, Active LeZi (ALZ) Sequence Prediction via Enhanced Episode Discovery (SPEED) build trees, then efficient algorithm with different window lengths applied these trees sensor for sequence activities. The...

In this paper, a new channel estimator for optical filter bank multicarrier with an offset-QAM modulation (FBMC/OQAM) system is proposed. The conventional estimation techniques that are based on interference approximation method (IAM) preamble least squares (LS) approach suffers from sensitivity to intrinsic imaginary (IMI). Therefore, filterbank-assisted (FB) technique proposed eliminate the residual associated improve performance of FBMC/OQAM system. To further enhance performance,...

In this paper, we report experimental results on the development and improvement of physical layer functions a filter bank multicarrier with off-set quadrature amplitude modulation (FBMC/OQAM) transceiver using testbed implemented programmable software-defined radio (SDR). The developed approach is similar to IEEE 802.11a standard, it has been tested for timing synchronization, carrier frequency offset (CFO) correction, channel estimation equalization. An investigation into inherent...