Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator. (2015)
Journal Article
Helszajn, J., Sharp, J., & Carignan, L.-P. (2015). Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator. IET microwaves, antennas & propagation, https://doi.org/10.1049/iet-map.2014.0358

The choice of reference planes in the design of the turnstile circulator is not unique. The purpose of this study is to examine two possibilities each of which is equally valid and experimentally verified. One possible arrangement is obtained by repl... Read More about Calibration and adjustments of degree-1 and -2 re-entrant turnstile circulators using a partially recessed quarter-wave long dielectric resonator..

Performance evaluation of RPL objective functions (2015)
Presentation / Conference Contribution
Qasem, M., Altwassi, H., Yassein, M. B., & Al-Dubai, A. (2015, October). Performance evaluation of RPL objective functions. Presented at International Workshop on Internet of Things and Smart Spaces (IoT-Smart-2015): Applications, Challenges and Future Trends in conjunction with the 14th IEEE International Conference on Ubiquitous Computing and Communications （IUCC 2015), Liverpool, UK

IPv6 Routing Protocol for Low-Power and Lossy
Networks (RPL) is a standard for Wireless Sensors Networks. RPL uses two different ‘objective functions’ (OFs), namely Minimum Rank with Hysteresis Objective Function (MRHOF); and Objective Function Zero... Read More about Performance evaluation of RPL objective functions.

Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks (2015)
Presentation / Conference Contribution
Wadhaj, I., Kristof, I., Romdhani, I., & Al-Dubai, A. (2015, October). Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks. Presented at 2015 IEEE International Conference on Computer and Information Technology; Ubiquitous Computing and Communications; Dependable, Autonomic and Secure Computing; Pervasive Intelligence and Computing

Low-Power and Lossy-Network (LLN) are usually composed of static nodes, but the increase demand for mobility in mobile robotic and dynamic environment raises the question how a routing protocol for low-power and lossy-networks such as (RPL) would per... Read More about Performance Evaluation of the RPL Protocol in Fixed and Mobile Sink Low-Power and Lossy-Networks.

An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks (2015)
Presentation / Conference Contribution
Eshaftri, M. A., Al-Dubai, A. Y., Romdhani, I., & Yassein, M. B. (2015, December). An Efficient Dynamic Load-balancing Aware Protocol for Wireless Sensor Networks. Presented at Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia - MoMM 2015

In Wireless Sensor Networks (WSNs), clustering techniques are among the effective solutions to reduce energy consumption and prolong the network lifetime. During the iterative re-clustering process, extra energy and time are consumed especially at th... Read More about An Efficient Dynamic Load-balancing Aware Protocol 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.

Surface wave cloaking using transformation optics (2015)
Presentation / Conference Contribution
La Spada, L., & Hao, Y. (2015, May). Surface wave cloaking using transformation optics. Presented at 2015 1st URSI Atlantic Radio Science Conference (URSI AT-RASC), Gran Canaria, Spain

Recently, there has been an increasing interest in the study of manipulating surface waves from microwave to optical frequencies [1, 2], especially for the design of conformal antennas and devices in communications and radar applications [3]. Some of... Read More about Surface wave cloaking using transformation optics.

Inspired counter based broadcasting in dynamic source routing protocol. (2015)
Presentation / Conference Contribution
Yassein, M. B., & Al-Dubai, A. (2015, October). Inspired counter based broadcasting in dynamic source routing protocol. Paper presented at 14th IEEE International Conference on Ubiquitous Computing and Communications (IUCC-2015)

The broadcast storm problem is one of the most
challenging issues in Mobile ad Hoc Networks (MANETs).
However, it is still a challenging problem despite the great deal
of related works and existing solutions. Dynamic Source
Routing Protocol (DSR)... Read More about Inspired counter based broadcasting in dynamic source routing protocol..

Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach (2015)
Presentation / Conference Contribution
Salayma, M., Al-Dubai, A., Romdhani, I., & Yassein, M. B. (2015, September). Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach. Presented at Proceedings of the 2015 Federated Conference on Computer Science and Information Systems

In Wireless Sensor Networks (WSNs), energy conservation is one of the main concerns challenging the cutting-edge standards and protocols. Most existing studies focus on the design of WSN energy efficient algorithms and standards. The standard IEEE 80... Read More about Battery Aware Beacon Enabled IEEE802.15.4: An Adaptive and Cross-Layer Approach.

Reconfigurable neurons - making the most of configurable logic blocks (CLBs) (2015)
Presentation / Conference Contribution
Ghani, A., See, C. H., Migdadi, H., Asif, R., Abd-Alhameed, R. A., & Noras, J. M. (2015, September). Reconfigurable neurons - making the most of configurable logic blocks (CLBs). Presented at 2015 Internet Technologies and Applications (ITA), Wrexham, United Kingdom

An area-efficient hardware architecture is used to map fully parallel cortical columns on Field Programmable Gate Arrays (FPGA) is presented in this paper. To demonstrate the concept of this work, the proposed architecture is shown at the system leve... Read More about Reconfigurable neurons - making the most of configurable logic blocks (CLBs).

Design and analysis of a simple UHF passive RFID tag for liquid level monitoring applications (2015)
Presentation / Conference Contribution
Atojoko, A., Abd-Alhameed, R., Rajamani, H., McEwan, N., See, C., & Excell, P. (2015, September). Design and analysis of a simple UHF passive RFID tag for liquid level monitoring applications. Presented at 2015 Internet Technologies and Applications (ITA), Wrexham, United Kingdom

Radio Frequency Identification (RFID) systems has gained increasing popularity with multiple deployments to existing wireless sensors in a view to achieve energy and overall operational efficiency at a much lower cost. This paper presents the design... Read More about Design and analysis of a simple UHF passive RFID tag for liquid level monitoring applications.

Compact size uni-planer small Metamaterial-Inspired antenna for UWB applications (2015)
Presentation / Conference Contribution
Jan, N., Elmegri, F., Bin-Melha, M., Abd-Alhameed, R., Lashab, M., & See, C. (2015, September). Compact size uni-planer small Metamaterial-Inspired antenna for UWB applications. Presented at 2015 Internet Technologies and Applications (ITA), Wrexham, United Kingdom

In this paper, low profile planar Metamaterial-Inspired coplanar fed waveguide antenna is presented for WLAN and Ultra-Wideband applications. The antenna is based on a simple strip loaded to a rectangular patch and zigzag E-shape metamaterial-inspire... Read More about Compact size uni-planer small Metamaterial-Inspired antenna for UWB applications.

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)

A novel method for rapid inspection of sewer networks: combining acoustic and optical means (2015)
Journal Article
Plihal, H., Kretschmer, F., Ali, M. T. B., See, C. H., Romanova, A., Horoshenkov, K. V., & Ertl, T. (2016). A novel method for rapid inspection of sewer networks: combining acoustic and optical means. Urban Water Journal, 13(1), 3-14. https://doi.org/10.1080/1573062x.2015.1076857

Operation and maintenance of the public sewer system represent key tasks for an operator. Condition assessment is usually conducted by conventional closed circuit television (CCTV) inspection. However, alternative tools such as manhole-zoom cameras (... Read More about A novel method for rapid inspection of sewer networks: combining acoustic and optical means.

Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University. (2015)
Presentation / Conference Contribution
Davidson, A., Wilson, C., & Shearer, N. (2015, July). Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University. Paper presented at ECS COnference on Electrochemical Energy Conversion & Storage with SOFC_XIV

This paper reviews work carried out at Edinburgh Napier University on the manufacture of anodes and cathodes for solid oxide fuel cells (SOFCs) using electroless co-deposition of nickel and ceramic powders. Most of the work has been focused on anodes... Read More about Manufacture of solid oxide fuel cells using electroless c0deposition - a review of work carried out at Edinburgh Napier University..

A Printed Wideband MIMO Antenna for Mobile and Portable Communication Devices (2015)
Presentation / Conference Contribution
See, C. H., Elkazmi, E., Al Khambashi, M., Samarah, K. G., Ali, A., Abd-Alhameed, R. A., McEwan, N. J., & Excell, P. S. (2015, July). A Printed Wideband MIMO Antenna for Mobile and Portable Communication Devices. Presented at 7th International Conference on Wireless and Satellite Systems, University of Bradford, Bradford, BD7 1DP

A printed crescent-shaped monopole MIMO antenna is presented for handheld wireless communication devices. The mutual coupling between the two antenna elements can be minimised by implementing a I-shaped common radiator. Both the simulated and measure... Read More about A Printed Wideband MIMO Antenna for Mobile and Portable Communication Devices.

Modelling and Characterization of NAND Flash Memory Channels. (2015)
Journal Article
Xu, Q., Gong, P., Chen, T. M., Michael, J., & Li, S. (2015). Modelling and Characterization of NAND Flash Memory Channels. Measurement : journal of the International Measurement Confederation, 70, 225-231. https://doi.org/10.1016/j.measurement.2015.04.003

The threshold voltage distribution after ideal programming in NAND flash memory cells is usually distorted by a combination of the random telegraph noise (RTN), cell-to-cell Interference (CCI), and the retention process. To decide the original bits m... Read More about Modelling and Characterization of NAND Flash Memory Channels..

A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX (2015)
Presentation / Conference Contribution
Elfergani, I. T. E., Hussaini, A. S., See, C. H., Rodriguez, J., Abd-Alhameed, R., & Marques, P. (2014, November). A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX. Presented at WICON 2014, Lisbon, POrtugal

This paper proposes a tuneable band-rejected miniaturised monopole antenna. The band-notching was achieved by printing an inner chorded crescent shape over the surface of the substrate. By placing a small varactor between the inner and outer arches,... Read More about A Miniaturised Monopole Wideband Antenna with Reconfigurable Band Rejection for WLAN/WiMAX.

Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique (2015)
Thesis
Wang, D. Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique. (Thesis). Edinburgh Napier University. http://researchrepository.napier.ac.uk/id/eprint/9168

This thesis investigates a novel method for manufacturing a tubular solid oxide fuel cell cathode. The work involved depositing a lanthanum nickel ferrite / lanthanum strontium manganite cathode onto an yttria stabilized zirconia electrolyte using an... Read More about Processing and Characterisation of Tubular Solid Oxide Fuel Cell (SOFC) Cathodes using a Novel Manufacturing Technique.

A novel situation specific network security for Wireless Sensor Networks (2015)
Journal Article
Al-Rousan, M., Bani Yassein, M., Al-Dubai, A., Ghaleb, B., & Mahmoud, I. (2015). A novel situation specific network security for Wireless Sensor Networks. Sensors & transducers, 186(3), 33-42

Researchers have come up with many high level security protocols and key management algorithms that can be applied for different types of networks. The main characteristics of wireless sensor networks that are limited computation and power made it di... Read More about A novel situation specific network security for Wireless Sensor Networks.