Pavlos Lazaridis

Pavlos Lazaridis
University of Huddersfield · Department of Engineering and Technology

MSc PhD SMIEEE MIET FHEA
Professor

About

230
Publications
129,425
Reads
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1,694
Citations
Citations since 2016
157 Research Items
1415 Citations
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2016201720182019202020212022050100150200250
2016201720182019202020212022050100150200250
2016201720182019202020212022050100150200250
Introduction
Pavlos Lazaridis is a Professor in Electronic and Electrical Engineering. He received an MEng from the Aristotle University of Thessaloniki, Greece, in 1990, MSc Université Paris 6, 1992, and Ph.D. from ENST and Paris 6, Paris, in 1996. In 1997, he became Head of the Antennas & Propagation Laboratory, TDF-C2R Metz. From 1998 to 2002, he was with the European Patent Office, as a Senior Examiner. Until 2014, he was with ATEI Thessaloniki, and Brunel University, London. He is the principal investigator for Horizon 2020 projects MOTOR5G and RECOMBINE and a senior member of IEEE.
Additional affiliations
July 2019 - present
University of Huddersfiled
Position
  • Professor (Full)
September 2014 - July 2019
University of Huddersfield
Position
  • Professor (Associate)
April 2005 - August 2014
Alexander Technological Educational Institute of Thessaloniki
Position
  • Professor (Associate)

Publications

Publications (230)
Article
Full-text available
A novel approach to broadband log-periodic antenna design is presented, where some of the most powerful evolutionary algorithms (EAs) are applied and compared for the optimal design of wire log-periodic dipole arrays (LPDA) using NEC (Numerical Electromagnetics Code). The target is to achieve an optimal antenna design with respect to maximum gain,...
Conference Paper
Full-text available
Partial discharge (PD) is one of the predominant factors to be controlled to ensure reliability and undisrupted functions of power generators, motors, Gas Insulated Switchgear (GIS) and grid connected power distribution equipment, especially in the future smart grid. The emergence of wireless technology has provided numerous opportunities to optimi...
Conference Paper
Full-text available
With the rapid deployment of digital TV, there is an increasing need for accurate point-to-area prediction tools. There is a great deal of propagation models for coverage prediction of DTV. Some of them are pure empirical models, and others are mixed, empirical-analytical models, based on measurement campaigns and electromagnetic theory. The aim of...
Article
Full-text available
In recent years, a determined shading ratio of photovoltaic (PV) systems has been broadly reviewed and explained. Observing the shading ratio of PV systems allows us to navigate for PV faults and helps to recognize possible degradation mechanisms. Therefore, this work introduces a novel approximation shading ratio technique using an all-sky imaging...
Conference Paper
Networking affects our daily interaction with the digital world. Advancements in Smart Device technology have led to the need for faster, more power-efficient, and error- free networks. Networking protocols, such as TCP and UDP, were originally designed without these new requirements and now face significant challenges in adapting to those goals i....
Article
Non-Line-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 supervised Machine Learning (ML) approaches have been applied for NLoS identification to improve the accuracy of the IPS. However, it is difficult for existing ML approa...
Chapter
The cutting-edge evolution of mobile communication systems and Internet technologies in nowadays transitional period from the information age to the experience age has brought attention to the evolving virtual reality (VR) and augmented reality (AR) applications and moves towards the development of holographic telepresence systems. Since these appl...
Article
Full-text available
This paper proposes low complexity detection for internet of underwater things communication. The signal is transmitted from the source to the destination using several sensors. To simplify the computational operations at the transmitter and the sensory nodes, a single carrier frequency domain equalizer is proposed and amplify-and-forward protocols...
Article
Full-text available
The accurate prediction of the performance output of photovoltaic (PV) installations is becoming ever more prominent. Its success can provide a considerable economic benefit, which can be adopted in maintenance, installation, and when calculating levelized cost. However, modelling the long-term performance output of PV modules is quite complex, par...
Conference Paper
Full-text available
Millimeter wave (mmWave) based 5G networks have nowadays attracted researcher from both industry and academia. Because, mmWave can enable dominant 5G services such as ultra-high definition video streaming and virtual reality, by providing them with their requirements, e.g., high data rate and low latency time. But, mmWave channel dynamically change...
Conference Paper
Full-text available
Human blockage is one of the key challenges that limit the ability of mm Wave communications to provide ultra-high data rate and ultra-low latency links, thus severely reducing the quality-of-service (QoS) experienced by the users. In this paper, we present the most common human body blockage models, which are used in blockage analysis to predict t...
Article
Most of beamforming methods rely on the proper estimation of the steering vectors of the incoming signals in order to calculate appropriate array feeding weights. However, this estimation is often performed on a theoretical basis, since most methods assume that the array elements radiate like isotropic sources and consider only the phase difference...
Chapter
Smart grid deployment can strongly be supported and enhanced by the expansion of 5G infrastructures as the latter can offer immense opportunities to enable better efficiency, observability and controllability of the power systems, especially at the distribution side where the numbers of monitoring devices and automation equipment exponentially incr...
Chapter
Future wireless networks depend on the development of new mechanisms that can increase the efficiency of the network. Antenna array adaptive beamforming (ABF) is an antenna operation that can be significantly improved with the use of machine learning. In this paper, a deterministic beamforming technique is compared with two different types of neura...
Chapter
Based on the original framework of the Smart5Grid EU-funded project, the present paper examines some fundamental features of the related platform that can be able to affect 5G implementation as well as the intended NetApps. Thus we examine: (i) the specific context of smart energy grids, enhanced by the inclusion of ICT and also supported by 5G con...
Conference Paper
Utilising deep learning image classification to automatically annotate subsea pipeline video surveys can facilitate the tedious and labour-intensive process, resulting in significant time and cost savings. However, the classification of events on subsea survey videos (frame sequences) by models trained on individual frames have been proven to vary,...
Article
Full-text available
The groundbreaking evolution in mobile and wireless communication networks design in recent years, in combination with the advancement of mobile terminal equipment capabilities, has led in an exponential growth of mobile internet technologies, and arose an ever-growing demand for innovative multimedia services. The highly demanding in terms of netw...
Article
Full-text available
We present electrically small, multi-band, metamaterial-inspired antennas with adequate radiation characteristics and isolation enhancement. The antenna element consists of a complementary split-ring resonator (CSRR) embedded in a small monopole that has a size of $\lambda /8\,\,\times \,\,\lambda /10$ at the lowest frequency band, while rectangu...
Article
Full-text available
Millimeter-wave bands (around 28, 38, 60, and 73 GHz) are anticipated to play a decisive role in the hosting of future wireless systems. The necessity of smart antennas to adaptively meet the requirements of the wireless links calls for new pattern reconfiguration antennas with beam-steering and/or beam-shaping capabilities. This paper reviews the...
Article
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The key objective of this paper is to explore the recent state-of-the-art artificial intelligence (AI) applications on the broad field of beamforming. Hence, a multitude of AI-oriented beamforming studies are thoroughly investigated in order to correctly comprehend and profitably interpret the AI contribution in the beamforming performance. Startin...
Article
Full-text available
In recent years, solar cell cracks have been a topic of interest to industry because of their impact on performance deterioration. Therefore, in this work, we investigate the correlation of four crack modes and their effects on the temperature of the solar cell, well known as hotspot. We divided the crack modes to crack free (mode 1), micro-crack (...
Article
Full-text available
Massive MIMO will improve the performance of future 5G systems in terms of data rate and spectral efficiency, while accommodating a large number of users. Furthermore, it allows for 3D beamforming in order to provide more degrees of freedom and increase the number of high-throughput users. Massive MIMO is expected to provide more advantages compare...
Article
Full-text available
The present paper discusses several security requirements coming from assessment of the use cases developed within the context of the original 5G-PPP "5G ESSENCE" project. Following to a concrete introduction to the project's main innovative features and the description of all selected use cases coming directly from the vertical markets, we have se...
Article
Full-text available
Next-generation mobile technologies are the enablers for meeting the variable specific requirements of the public safety (PS) community. In particular, due to the development of commercially deployed 5G networks, PS providers look for ways to implement related solutions upon such infrastructures, potentially in a shared use with existing commercial...
Conference Paper
Full-text available
The growth in volume and heterogeneity of accessible services in future wireless networks (FWNs), imposes pressure to communication service providers (CSPs) to expand their capacity for network performance monitoring and evaluation, in particular in terms of the performance as it is perceived by end-users. The quality of experience (QoE)-aware desi...
Article
Full-text available
Energy efficiency is a huge opportunity for both the developed and the developing world, and ICT will be the key enabler towards realising this challenge, in a huge variety of ways across the full range of industries. In the telecommunications space in particular, power consumption and the resulting energy-related pollution are becoming major opera...
Preprint
Full-text available
The problem of underwater acoustic (UWA) channel estimation is the non-uniform sparse representation that may increase the algorithm complexity and the required time. A mathematical framework utilizing l21 constraint with two-dimensional frequency domain is employed to enhance the channel estimation. The frame work depends on both main and auxiliar...
Conference Paper
Full-text available
Ultra-wideband (UWB) technology is being extensively used for indoor localization problems because of its ability to provide high accuracy, high data rate and low transceiver power for short range communications. There are several integrated circuits developed to apply this technology. However, the range for localization provided by these modules h...
Article
Full-text available
This paper initially presents an overview of different miniaturization techniques used for size reduction of printed log-periodic dipole array (PLPDA) antennas, and then continues by presenting a design of a conventional PLPDA design that operates from 0.7–8 GHz and achieves a realized gain of around 5.5 dBi in most of its bandwidth. This antenna d...
Preprint
Full-text available
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 emerging technology that can be employed for IPS as it offers centimetre-level accuracy. However, the UWB system still faces several technical challenges in practice, one of...
Preprint
Full-text available
Utilising deep learning image classification to automatically annotate subsea pipeline video surveys can facilitate the tedious and labour-intensive process, resulting in significant time and cost savings. However, the classification of events on subsea survey videos (frame sequences) by models trained on individual frames have been proven to vary,...
Article
Full-text available
With the significant increase in energy demands in the last decade, the issues of unnecessary energy usage have increased rapidly. Therefore, there is an immediate need to provide a cheap and easily accessible monitoring tool for the energy consumed by an appliance used in homes and industries. Instead of monitoring the total power consumption of t...
Article
Full-text available
Metamaterials are artificial structures with the ability of exhibiting unusual and exotic electromagnetic properties such as the realisation of negative permittivity and permeability. Due to their unique characteristics, metamaterials have drawn broad interest and are considered to be a promising solution for improving the performance and overcomin...
Chapter
The rapid development of 5G provides opportunities for growth for a great variety of services, also including cooperative Intelligent Transport Services (C-ITS). In this framework, of high importance are Vehicle-to-Everything (V2X) applications that can contribute towards improving driving safety, efficiency and comfort, together with the inclusion...
Preprint
Full-text available
This paper proposes low complexity detection for internet of underwater things (IoUT)s communication. The signal is transmitted from the source to the destination using several sensors. To simplify the computational operations at the transmitter and the sensory nodes, a single carrier frequency domain equalizer (SC-FDE) is proposed and amplify-and-...
Article
Full-text available
Rapid expansion of 5G affects a number of sectors, including vehicular communications relying on cooperative intelligent transportation systems (C-ITS). More specifically, in the context of the Internet of Vehicles (IoV), a particular emphasis is placed on modern cellular V2X (C-V2X) technologies aiming to further improve road safety. This work ori...
Article
Full-text available
The lifespan assessment and maintenance planning of high-voltage power systems requires condition monitoring of all the operational equipment in a specific area. Electrical insulation of electrical apparatuses is prone to failure due to high electrical stresses, and thus it is a critical aspect that needs to be monitored. The ageing process of the...
Article
Full-text available
The coexistence of TV broadcasting and mobile services causes interference that leads to poor quality-of-service for TV consumers. Solutions usually found in the market involve external band-stop filters along with TV reception log-periodic and Yagi-Uda antennas. This paper presents a log-periodic antenna design without additional filtering that se...
Conference Paper
Full-text available
This paper presents a design of a printed log-periodic dipole array (PLPDA) antenna with large operating frequency range from 0.4 GHz to 8 GHz. The proposed antenna design employs a triangular shaped longest dipole element. The triangular shape of the longest dipole element and optimization of the last four dipole element lengths, thicknesses and s...
Chapter
Full-text available
Network Slicing (NS) is an evolving area of research, performing a logical arrangement of resources to operate as individual networks, hence allowing for massively customizable service and tenant requirements. NS, via the respective network architecture can enable an effective deployment of 5G networks and support a great variety of emerging use ca...
Chapter
Based upon the scope of the original 5G ESSENCE research effort and by considering the related fundamental architecture, we develop a dedicated scenario for the implementation and demonstration of a setup for a 5G edge network acceleration in the context of a sport event, taking place in a stadium. Specifically, we demonstrate a combined 5G-based v...
Article
Full-text available
An aperiodic reconfigurable microstrip antenna array is designed to serve as a DVB-T base station antenna operating in a single broadcasting channel. The antenna array is optimized at 698 MHz (center frequency of DVB-T channel 49) to concurrently achieve a particular radiation pattern shaping with high forward gain, main lobe tilting and null filli...
Article
Full-text available
High-performance microelectromechanical systems (MEMS) are playing a critical role in modern engineering systems. Due to computationally expensive numerical analysis and stringent design specifications nowadays, both the optimization efficiency and quality of design solutions become challenges for available MEMS shape optimization methods. In this...
Conference Paper
Full-text available
A wideband microstrip fractal antenna is presented in this study for satellite reception for in-vehicle entertainment (IVE) application. The antenna geometry is composed of circular structures that follow a logarithmic decrement rule as they cover the entirety of the board. The antenna is modelled and simulated in CST microwave studio environment a...