Jaafar Gaber

Université de Technologie de Belfort-Montbéliard | UTBM · Franche-Comté Electronique Mécanique Thermique et Optique - Sciences et Technologies (FEMTO-ST)

In this work, a Hardware-In-the-Loop (HIL) framework is introduced for the implementation and the assessment of predictive control approaches in smart buildings. The framework combines recent Internet of Things (IoT) and big data platforms together with machine-learning algorithms and MATLAB-based Model Predictive Control (MPC) programs in order to...

Nowadays, electric vehicles (EV) are increasingly penetrating the transportation roads in most countries worldwide. Many efforts are oriented toward the deployment of the EVs infrastructures, including those dedicated to intelligent transportation and electro-mobility as well. For instance, many Moroccan organizations are collaborating to deploy ch...

The programmable matter has paved the way for the emergence of new paradigms in the fields of computer science, design, Haptics, and material science. Several kinetic-based approaches have been developed to represent an object via surface deformation using a set of patterned actuators. Therefore, a loss of shape is noticed in the physical rendering...

Building models and their connected subsystems are often simulated as standalone entities. However, in order to monitor a system′s reactions to changing parameters and to assess its energy efficiency, it must be exposed to the actual dynamic context of the building under study. Hence, frameworks assessing co-operative simulation of buildings and th...

Programmable matter is a system of elements (e.g., smart matters, modular robots, …) that is programmed via user input or autonomous sensing to form a certain shape, by altering its physical characteristics. This paper presents a programmable and reusable device to be used, for example in 4D prototyping and Haptics, using the shapeshifting abilitie...

Based on two types of priority queues, this paper proposes a polling scheduling strategy with reserved channel (Ps-rc strategy) for predefined priority services in cognitive radio networks (CRNs). Channel assembling (CA) technology and spectrum adaptation (SA) technology are adopted to dynamically adjust the assembled channels of secondary users (S...

The evolution of the geo-positioning methods made Dead Reckoning (DR) one of the most important concerns due to its performance in indoor pedestrian localization systems. This paper focuses on implementing an approach that relies on physiological parameters to minimize additive velocity error due to noise in pedestrian DR systems.

During the past ten years, worldwide efforts have been pursuing an ambitious policy of sustainable development, particularly in the energy sector. This ambition was revealed by noticeable progress in the deployment and development of infrastructures for the production of renewable electrical energy. These infrastructures combined with the deploymen...

Information broadcasting in wireless network is a necessary building block for cooperative operations. However, the broadcasting causes increases the routing overhead. This paper brings together an array of tools of our adaptive protocol for information broadcasting in MANETs. The proposed protocol in this paper named WAODV (WAIT-AODV). This new ad...

The rapid development of aviation technology has made the application of unmanned aerial vehicles (UAVs) more popular in recent years. Due to the inadequate capability of a single UAV, flying ad hoc networks (FANETs), which consist of multiple different UAVs, not only break the limits of single UAV by introducing the cooperation between UAVs, but a...

In wireless sensor networks (WSNs), traffic flow congestion can reduce network performance. We propose a congestion control method for WSNs that use a cache state with a dual threshold in the router buffer to control congestion. In addition, the congestion is controlled by the channel transmission state that is monitored by the queuing variation te...

The core problem of cognitive radio networks is the accurate sensing and the efficient use of spectrum holes without interfering the communication of the primary system. This paper proposes a cooperative strategy with two full-duplex cognitive base stations (FDCBS) where in-band full-duplex technology and cognitive radio are integrated. If the prim...

Brevet d'invention

Vehicular ad-hoc networks (VANETs) are promising research areas which mainly include three communication modes: vehicle-to-vehicle (V2V), vehicle-to-infrastructure (V2I) and hybrid vehicle communication (HVC). But most of the current research on HVC mode in which vehicle nodes and infrastructures coexist only focuses on the analysis of the optimal...

The purpose of this study is the improvement of real and virtual world interaction in real-time by uses of Kinect. We propose adding geometric shapes as a collision object for human body parts in augmented reality with real-time animations. In this work the concept of collision Avatar (CA) is presented. We will describe different methods which crea...

Abstract— While the number of web and desktop 3D applications continue to increase, users would like to create their own 3D avatars which will look exactly like them. The Kinect[1] can help to users to reach this goal; after scanning human by Kinect’s depth and RGB cameras it is possible to create almost the same 3D model including human faces and...

Wireless Sensor Networks (WSNs) are extensively used in monitoring applications such as humidity and temperature sensing in smart buildings, industrial automation, and predicting crop health. Sensor nodes are deployed in remote places to sense the data information from the environment and to transmit the sensing data to the Base Station (BS). When...

Programmable Matter aims at developing new smart system consisting of a hardware component and a programmable approach allowing the adaptation of its physical properties to programmable inputs or autonomous sensing. Such a system requires a multidisciplinary approach bringing together material science, mechatronics and software programming. In this...

Modelling and simulation of the behavior of a shape memory membrane for programmable matter 4D prototyping, November 2019, Systems Research and Behavioral Science DOI: 10.1002/sres.2650.

Programmable Matter aims at developing new smart system consisting of a hardware component and a programmable approach allowing the adaptation of its physical properties to programmable inputs or autonomous sensing. Such a system requires a multidisciplinary approach bringing together material science, mechatronics and software programming. In this...

This paper firstly analyzes the handover mechanism of vehicle-mounted base station technology in high speed railway system, and finds that the communication interruption of the physical layer will last for a period of time although the switch of MAC layer has been completed. In order to solve this problem, an improved switch mechanism is proposed i...

This paper presents an approach for tuning IoT activity in order to control the message transmission frequency to reduce energy consumption. More precisely, instead of letting an IoT sending out data periodically and monotonically, the approach allows the determination of wake-up, messages transmission and reception periods, when events occur at su...

Abstract—Cloud computing technology hosts application for users to accesses computing as services. Its application has been widely used and increases to become a part of enterprises’computing infrastructures. However, Cloud computing latency and request deadline fulfillment issues are among the major problems. Therefore, there is a need for a solut...

In almost all areas of the industry and more generally in the sector of development of manufacturing products, the realization of the product passes through several successive stages going from the design to the realization of the product. The most critical phase is prototyping because it is at this point that usually the most important decisions a...

Wireless Sensor Networks (WSNs) are extensively used in monitoring applications such as humidity and temperature sensing in smart buildings, industrial automation, and predicting crop health. Sensor nodes are deployed in remote places to sense the data information from the environment and to transmit the sensing data to the Base Station (BS). When...

Introduction Wireless Human Body Sensor Networks (WHBSNs) used in healthcare systems have widely attracted the attention of the research community [1]. We identify two categories of healthcare-oriented systems: vital status monitoring and remote healthcare surveillance. In vital status monitoring applications, sensors supervise their vital paramete...

In the last decade, many research works have been conducted to further promote the use of electric vehicles by developing newtechnologies and services. However, the management of their charging planning and scheduling is still a challenging task that needs to be addressed. The main issue is to reroute vehicles to the suitable charging stations with...

Several unmanned aerial vehicles (UAVs) flight in a formation fleet are used to improve the effectiveness of civilian missions such as firefighting, searching, rescuing, etc., as well as the success of military applications. The increase use of these cooperative systems in hazardous environments makes the reliability improvement essential in order...

Wireless sensor network (WSN) represents a very important research that targets a very large number of possible applications in healthcare, smart cities, environmental monitoring, military, industrial automation and recently in smart grids. It consists of three main components: a large number of nodes, gateways and software. WSN workload needs an u...

Drones have been recently an interesting subject of research due to their roles in accomplishing missions. Flying in a formation fleet, they form a cooperative communication system in order to improve the efficiency of the mission. For this reason, the reliability of the communication is essential to guarantee the overall performance of the fleet a...

Fleet flight of drones has been an interesting topic in the last years due to the advantages of the cooperative fleet of UAVs in both civilians and military applications. Fault Tree Analysis (FTA) is a well-known technique used to identify the causes that lead to the failure of a top event. In this paper, we aim to analyze the reliability of commun...

This paper presents a study for performance implementation of IEEE 802.11i WPA2 (Wi-Fi Protected Access 2) security protocol in Sensor Network applications. This research compared the implementation of the WPA2 security protocols over Sensor Networks to estimate the security impacts on sensor networks applications and evaluate the quality of servic...

In this paper, an effective Discrete Imperialist Competitive Algorithm (DICA) is proposed to solve the QoS-aware cloud service composition problem, which is known as a non-polynomial combinatorial problem. To improve the global exploration ability of DICA, as inspired by the solution search equation of Artificial Bee Colony (ABC) algorithm, a new d...

In recent years, there has been rapid and significant development of road transport technologies in order to reduce the number of killed and injured people on roads. These include safety technologies, emergency call systems (eCall), and advanced traveler information systems. The eCall system is an automatic in-vehicle emergency call service, which...

A wireless ad-hoc network is a decentralized type of wireless network, where communication does not rely on a pre-existing infrastructure, such as routers in wired networks or access points in infrastructure-based wireless networks. Ad-hoc communications are present in wireless sensor networks (WSNs), mobile ad-hoc networks (MANETs) and vehicular a...

Nanocommunication is a new paradigm that allows nanomachines to communicate using mechanisms, such as molecular-based, electromagnetic-based, acoustic-based, and nanomechanical-based mechanisms. A nanonetwork is formed of tiny nanomachines with limited sensing, computational, storage and power capabilities. In forming well connected nanonetwork, co...

This paper describes existing work related to the development of adaptive systems and approaches in ubiquitous and pervasive environments and sheds more light on how features from natural and biological systems could be exploited for engineering adaptive systems. Ubiquitous and pervasive systems are composed of different heterogeneous parts or enti...

The development of ubiquitous and pervasive computing systems requires new approaches and paradigms. Mobile agent based approaches have received a great attention for developing distributed applications. Agents are programs that can migrate from a machine to another in a network and perform tasks on distant machines. However, it is difficult to est...

Mobile Ad Hoc Networks (MANETs) are communication networks formed on the fly by radio-equipped mobile nodes without relying on any fixed infrastructure. Flooding is the simplest technique for information dissemination in ad hoc based networks, in which nodes disseminate a received message to all their neighbors. This algorithm leads to the broadcas...

Nanocommunication concepts have emerged as a new paradigm that allows nano-processing-elements to communicate using molecular-, acoustic-, mechanical-, or electromagnetic-based techniques. In this paper, the performances of the electromagnetic-based nanocommunication technique as an on-chip communication fabric for SoCs is evaluated. Simulations ha...

Very great research efforts have been made to further develop and promote the electric vehicles (EVs), their charging infrastructures and techniques in the last decades. However, little attention has been paid so far to the management of their charging planning with EV drivers' assistance of their assignment to adequate charging stations (CSs). The...

Recent studies have shown that On-Chip Interconnects (OCI) architecture represents one of the most important component that determines the overall performance of future System-on-Chip (SoC). In order to improve the performance of a specific SoC application domain, the OCI architecture must be optimized at design/run time. Different OCI-based archit...

Mobile Ad-hoc Networks (MANET) are self-organizing networks composed of mobile nodes without any fixed infrastructure. The design and the implementation of efficient and scalable routing protocols constitute one main issue. However, routing protocols for MANETs are mainly based on computing the shortest paths and could not be energy efficient. Node...

Social media websites, such as Facebook, Twitter, and YouTube, and job posting websites like LinkedIn and CareerBuilder involve a huge amount of data that are very useful to economy assessment and society development. These sites provide sentiments and interests of people connected to web communities and a lot of other information. The Big Data col...

Adaptive systems are composed of different heterogeneous parts or entities that interact and perform actions favouring the emer- gence of global desired behavior. In this type of systems entities might join or leave without disturbing the collective, and the system should self-organize and continue performing their goals. Furthermore, entities must...

The management of electric vehicles charging and adequate assignment to charging stations are the major challenges facing managers of EV fleet. These issues required then to be optimized considering all functioning constraints and real situation of the charging process. Therefore development of a faithful model to the context integrating all entiti...

The On-Chip Interconnects (OCI) infrastructure represents one of most important components in determining the overall performance of future System-on-Chip (SoC). Recently, nano-communication has emerged as a new paradigm that allows nanomachines to communicate using mechanisms, such as molecular-based, electromagnetic-based, acoustic-based, and mec...

ITS applications usually involve inter-vehicle communication as a medium to exchange information between vehicles experiencing undesirable and/or dangerous situations (e.g., traffic jam, accident, or bad road conditions) and other surrounding vehicles. For example, if the in-vehicle ABS is activated, it might indicate bad road conditions, and if th...