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Metasurfaces for Advanced Sensing and Diagnostics (2019)
Journal Article
La Spada, L. (2019). Metasurfaces for Advanced Sensing and Diagnostics. Sensors, 19(2), 355. https://doi.org/10.3390/s19020355

Interest in sensors and their applications is rapidly evolving, mainly driven by the huge demand of technologies whose ultimate purpose is to improve and enhance health and safety. Different electromagnetic technologies have been recently used and ac... Read More about Metasurfaces for Advanced Sensing and Diagnostics.

Graphene-Oxide and Hydrogel Coated FBG-Based pH Sensor for Biomedical Applications (2018)
Presentation / Conference Contribution
Binetti, L., Stankiewicz, A., & Alwis, L. S. M. (2018, September). Graphene-Oxide and Hydrogel Coated FBG-Based pH Sensor for Biomedical Applications. Presented at Eurosensors 2018 Conference, Graz, Austria

A hydrogel coated fibre grating-based pH sensor for biomedical applications has been realised, where Graphene Oxide (GO) had been used to enhance the bonding between the coating and the fibre. Two methods of deposition of GO were analysed i.e., evapo... Read More about Graphene-Oxide and Hydrogel Coated FBG-Based pH Sensor for Biomedical Applications.

Genetic Sensor Placement in Active Control of a Robotic Arm (2018)
Presentation / Conference Contribution
Soufian, M., & Borairi, M. (2017, June). Genetic Sensor Placement in Active Control of a Robotic Arm. Presented at Developments in eSystems Engineering 2017, Paris, France

This paper emphasizes the characterization of the dynamic motions of a robotic arm in terms of poles and zeros. The importance of the transmission zeros of open-loop systems, the role of these zeros in description of such systems, and the dependence... Read More about Genetic Sensor Placement in Active Control of a Robotic Arm.

A new dynamic weight clustering algorithm for wireless sensor networks (2017)
Presentation / Conference Contribution
Essa, A., Al-Dubai, A., Romdhani, I., & Eshaftri, M. (2016, May). A new dynamic weight clustering algorithm for wireless sensor networks. Presented at 1st EAI International Conference on Smart Grid Inspired Future Technologies (SmartGift 2016)

Since sensor nodes have limited energy resources, prolonging network lifetime and improving scalability are essential elements in energy-efficient Wireless Sensor Networks (WSNs). Most existing approaches consider the residual energy of a single node... Read More about A new dynamic weight clustering algorithm for wireless sensor networks.

Integrated fiber Bragg grating incorporated textile carbon reinforcement structures (2017)
Presentation / Conference Contribution
Alwis, L., Bremer, K., Zheng, Y., Weigand, F., Kuhne, M., Helbig, R., & Roth, B. (2017, October). Integrated fiber Bragg grating incorporated textile carbon reinforcement structures. Presented at 2017 IEEE Sensors, Glasgow, Scotland

An optical fibre Bragg grating (FBG) based strain sensor network incorporated in a functionalized textile-based carbon structure (FTCS) that can be used for structural health monitoring (SHM) is introduced. The aim of the design is not only to monito... Read More about Integrated fiber Bragg grating incorporated textile carbon reinforcement structures.

A New Weight based Rotating Clustering Scheme for WSNs (2017)
Presentation / Conference Contribution
Essa, A., Al-Dubai, A. Y., Romdhani, I., & Esriaftri, M. A. (2017, May). A New Weight based Rotating Clustering Scheme for WSNs. Presented at 2017 International Symposium on Networks, Computers and Communications (ISNCC)

Although energy efficiency in Wireless Sensor Networks (WSNs) has been investigated widely, it is still a challenging dilemma. Clustering mechanisms are among the most widely recommended approaches to sustaining a network throughout its lifetime. Des... Read More about A New Weight based Rotating Clustering Scheme for WSNs.

Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors (2017)
Journal Article
Bremer, K., Weigand, F., Zheng, Y., Alwis, L. S., Helbig, R., & Roth, B. (2017). Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors. Sensors, 17(2), 345. https://doi.org/10.3390/s17020345

Optical fiber-based sensors " embedded " in functionalized carbon structures (FCSs) and textile net structures (TNSs) based on alkaline-resistant glass are introduced for the purpose of structural health monitoring (SHM) of concrete-based structures.... Read More about Structural Health Monitoring Using Textile Reinforcement Structures with Integrated Optical Fiber Sensors.

BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC. (2017)
Book Chapter
Salayma, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2017). BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC. In M. Grzenda, J. Furtak, J. Legierski, & A. I. Awad (Eds.), Advances in Networking Systems Architectures, Security, and Applications (317-335). Springer

The IEEE 802.15.4 standard supports both physical and Media Access Con-trol (MAC) layers of low rate Wireless Sensor Network (WSNs). However, this stand-ard considers only the ideal linear power consumption, omitting the fact that the diffu-sion prin... Read More about BARBEI: a new adaptive battery aware and reliable beacon enabled technique for IEEE802.15.4 MAC..

A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment (2017)
Presentation / Conference Contribution
Alwis, L. S. M., Bustamante, H., Bremer, K., Roth, B., Sun, T., & Grattan, K. T. V. (2016, October). A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment. Presented at 2016 IEEE SENSORS

Research has identified that humidity plays a fundamental role on the conversion of hydrogen sulphide into sulphuric acid during corrosion of concrete in gravity sewers and that potentially minor reductions in humidity can reduce corrosion rates. The... Read More about A pilot study: Evaluation of sensor system design for optical fibre humidity sensors subjected to aggressive air sewer environment.

Weight Driven Cluster Head Rotation for Wireless Sensor Networks (2016)
Presentation / Conference Contribution
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Essa, A. (2016, November). Weight Driven Cluster Head Rotation for Wireless Sensor Networks. Presented at Proceedings of the 14th International Conference on Advances in Mobile Computing and Multi Media - MoMM '16, Singapore

Energy efficiency is one of the major issues in Wireless Sensor Networks (WSNs), due to the limited power and processing capabilities of the Sensor Nodes (SNs). The clustering techniques proved to be the effective solution to improve the energy effic... Read More about Weight Driven Cluster Head Rotation for Wireless Sensor Networks.

Mobility And Energy Extensions For The IEEE 802.15.4 Standard (2015)
Presentation / Conference Contribution
Romdhani, I., Al-Dubai, A. Y., & Guibene, W. (2015, December). Mobility And Energy Extensions For The IEEE 802.15.4 Standard. Presented at Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia - MoMM 2015

The IEEE 802.15.4 standard is designed for low-power and low-rate wireless Personal Area Networks. Although energy is a key parameter in shaping the communication and interaction methods of wireless sensor nodes, the specification of the MAC layer do... Read More about Mobility And Energy Extensions For The IEEE 802.15.4 Standard.

A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks (2015)
Presentation / Conference Contribution
Eshaftri, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2015, September). A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks. Presented at Proceedings of the 2015 Federated Conference on Computer Science and Information Systems

In Wireless Sensor Networks (WSNs), clustering techniques are usually used as a key effective solution to reduce energy consumption and prolong the network lifetime. Despite many works on clustering in WSNs, this issue is still, however, in its infan... Read More about A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks.

A load-balancing cluster based protocol for Wireless Sensor Networks. (2015)
Presentation / Conference Contribution
Eshaftri, M., Al-Dubai, A., Romdhani, I., & Yassien, M. B. (2015, September). A load-balancing cluster based protocol for Wireless Sensor Networks. Paper presented at 4th International Conference on Wireless Sensor Networks (WSN'15)

Sensor Failure Detection, Identification, and Accommodation Using Fully Connected Cascade Neural Network (2014)
Journal Article
Hussain, S., Mokhtar, M., & Howe, J. M. (2015). Sensor Failure Detection, Identification, and Accommodation Using Fully Connected Cascade Neural Network. IEEE Transactions on Industrial Electronics, 62(3), 1683-1692. https://doi.org/10.1109/tie.2014.2361600

Modern control systems rely heavily on their sensors for reliable operation. Failure of a sensor could destabilize the system, which could have serious consequences to the system's operations. Therefore, there is a need to detect and accommodate such... Read More about Sensor Failure Detection, Identification, and Accommodation Using Fully Connected Cascade Neural Network.

Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks. (2014)
Presentation / Conference Contribution
Eshaftri, M., Essa, A., Qasem, M., Romdhani, I., & Al-Dubai, A. (2014, June). Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks. Paper presented at International Conference on Networking, Distributed Systems and Applications : INDS 2014, Bejaia, Algeria

Wireless sensor networks (WSNs) have recently become an integral part of a wide range of systems such as surveillance, target tracking, security and health management systems. WSNs deploy a large number of sensor nodes that cooperate to... Read More about Reliable Hierarchical Cluster Routing Protocol for Wireless Sensor Networks..

Metamaterial-based sensor for hemoglobin measurements (2013)
Presentation / Conference Contribution
Spada, L. L., Iovine, R., & Vegni, L. (2012, November). Metamaterial-based sensor for hemoglobin measurements. Presented at 2012 Loughborough Antennas & Propagation Conference (LAPC), Loughborough, United Kingdom

The ratio Oxyhemoglobin to Deoxygenated hemoglobin is an important medical parameter for several diseases diagnostics. In this paper a metamaterial-based sensor, operating in the infrared frequency range, is presented. The structure consists of a pla... Read More about Metamaterial-based sensor for hemoglobin measurements.

Metamaterial biosensor for cancer detection (2012)
Presentation / Conference Contribution
La Spada, L., Bilotti, F., & Vegni, L. (2011, October). Metamaterial biosensor for cancer detection. Presented at 2011 IEEE Sensors, Limerick, Ireland

In this study a low-cost, compact, and high-performing metamaterial-based biosensor operating in the GHz regime is presented. The sensor is designed to detect the presence of a tumor by means of permittivity and absorption measurements. A shift in th... Read More about Metamaterial biosensor for cancer detection.

Metamaterial-based Sensor Design Working in Infrared Frequency Range (2011)
Journal Article
La Spada, L., Bilotti, F., & Vegni, L. (2011). Metamaterial-based Sensor Design Working in Infrared Frequency Range. Progress in electromagnetics research B: PIER B, 34, 205-223. https://doi.org/10.2528/pierb11060303

In this paper, we propose the design of high sensitivity and selectivity metamaterial-based biosensors operating in the THz regime. The proposed sensors consist of planar array of resonant metallic structures, whose frequency response is modified thr... Read More about Metamaterial-based Sensor Design Working in Infrared Frequency Range.