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11 results

A new dynamic weight clustering algorithm for wireless sensor networks

Conference Proceeding
Essa, A., Al-Dubai, A., Romdhani, I., & Eshaftri, M. (2017)
A new dynamic weight clustering algorithm for wireless sensor networks. In S. Yang, J. Gao, Y. Zhang, K. Yang, V. C. M. Leung, & J. Hu (Eds.), Smart Grid Inspired Future Technologies: First International Conference, Liverpool, UK, May 19-20, 2016 SmartGIFT 2016, 195-203
Since sensor nodes have limited energy resources, prolonging network lifetime and improving scalability are essential elements in energy-efficient Wireless Sensor Networks (WS...

A New Weight based Rotating Clustering Scheme for WSNs

Conference Proceeding
Essa, A., Al-Dubai, A. Y., Romdhani, I., & Esriaftri, M. A. (2017)
A New Weight based Rotating Clustering Scheme for WSNs. In 2017 International Symposium on Networks, Computers and Communications (ISNCC)https://doi.org/10.1109/ISNCC.2017.8072000
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 ...

Weight Driven Cluster Head Rotation for Wireless Sensor Networks

Conference Proceeding
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Essa, A. (2016)
Weight Driven Cluster Head Rotation for Wireless Sensor Networks. In B. Abdulrazak, E. Pardede, M. Steinbauer, I. Khalil, & G. Anderst-Kotsis (Eds.), Proceedings of the 14th International Conference on Advances in Mobile Computing and Multi Media MoMM'16, (327-331). https://doi.org/10.1145/3007120.3007170
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...

Mobility And Energy Extensions For The IEEE 802.15.4 Standard

Conference Proceeding
Romdhani, I., Al-Dubai, A. Y., & Guibene, W. (2015)
Mobility And Energy Extensions For The IEEE 802.15.4 Standard. In L. Luke Chen, M. Steinbauer, I. Khalil, & G. Anderst-Kotsis (Eds.), Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia, (318-321). https://doi.org/10.1145/2837126.2837167
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 interact...

A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks

Conference Proceeding
Eshaftri, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2015)
A New Energy Efficient Cluster based Protocol for Wireless Sensor Networks. In I. C. Society (Ed.), 2015 Federated Conference on Computer Science and Information Systems (FedCSIS), (1209-1214). https://doi.org/10.15439/2015F193
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 m...

Metamaterial-based sensor for hemoglobin measurements

Conference Proceeding
Spada, L. L., Iovine, R., & Vegni, L. (2013)
Metamaterial-based sensor for hemoglobin measurements. In 2012 Loughborough Antennas & Propagation Conference (LAPC)doi:10.1109/lapc.2012.6403007
The ratio Oxyhemoglobin to Deoxygenated hemoglobin is an important medical parameter for several diseases diagnostics. In this paper a metamaterial-based sensor, operating in ...

Metamaterial biosensor for cancer detection

Conference Proceeding
La Spada, L., Bilotti, F., & Vegni, L. (2012)
Metamaterial biosensor for cancer detection. In SENSORS, 2011 IEEEdoi:10.1109/icsens.2011.6127103
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 ...

Double CSRR for water content detection in biological matter

Conference Proceeding
La Spada, L., Bilotti, F., & Vegni, L. (2011)
Double CSRR for water content detection in biological matter. In 4th EOS Topical Meeting on Optical Microsystems (OµS’11)
In this study, a low-cost, compact, and high-performing metamaterial-based biosensor operating in the THz frequency range is presented. The sensor is designed to detect the pr...

Metamaterial resonator arrays for organic and inorganic compound sensing

Conference Proceeding
La Spada, L., Bilotti, F., & Vegni, L. (2011)
Metamaterial resonator arrays for organic and inorganic compound sensing. In Proceedings Volume 8306, Photonics, Devices, and Systems V; 83060I (2011)doi:10.1117/12.912267
In this paper, an electromagnetic metamaterial resonator operating in the terahertz frequency range is presented. By arranging the resonator in a planar array, it is possible ...

Metamaterial-based design of biological sensors operating at THz frequencies

Conference Proceeding
La Spada, L., Bilotti, F., & Vegni, L. (2011)
Metamaterial-based design of biological sensors operating at THz frequencies
In this contribution, we present an omega-shaped electromagnetic resonator, which is of potential interest for THz biosensors. A new analytical model for such an inclusion-typ...