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All Outputs (17)

Solar Irradiance Forecasting Using a Data-Driven Algorithm and Contextual Optimisation (2021)
Journal Article
Bendiek, P., Taha, A., Abbasi, Q. H., & Barakat, B. (2022). Solar Irradiance Forecasting Using a Data-Driven Algorithm and Contextual Optimisation. Applied Sciences, 12(1), Article 134. https://doi.org/10.3390/app12010134

Solar forecasting plays a key part in the renewable energy transition. Major challenges, related to load balancing and grid stability, emerge when a high percentage of energy is provided by renewables. These can be tackled by new energy management st... Read More about Solar Irradiance Forecasting Using a Data-Driven Algorithm and Contextual Optimisation.

Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study (2021)
Journal Article
Kahwash, F., Barakat, B., Taha, A., Abbasi, Q. H., & Imran, M. A. (2021). Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study. Energies, 14(21), Article 7084. https://doi.org/10.3390/en14217084

This study focuses on improving the sustainability of electrical supply in the healthcare system in the UK, to contribute to current efforts made towards the 2050 net-zero carbon target. As a case study, we propose a grid-connected hybrid renewable e... Read More about Optimising Electrical Power Supply Sustainability Using a Grid-Connected Hybrid Renewable Energy System—An NHS Hospital Case Study.

6G Opportunities Arising from Internet of Things Use Cases: A Review Paper (2021)
Journal Article
Barakat, B., Taha, A., Samson, R., Steponenaite, A., Ansari, S., Langdon, P. M., …Keates, S. (2021). 6G Opportunities Arising from Internet of Things Use Cases: A Review Paper. Future Internet, 13(6), Article 159. https://doi.org/10.3390/fi13060159

The race for the 6th generation of wireless networks (6G) has begun. Researchers around the world have started to explore the best solutions for the challenges that the previous generations have experienced. To provide the readers with a clear map of... Read More about 6G Opportunities Arising from Internet of Things Use Cases: A Review Paper.

Identification of a Speaker from Characteristics of a Voice (2020)
Journal Article
Kinkiri, S., Bakarat, B., & Keates, S. (2020). Identification of a Speaker from Characteristics of a Voice. Sensors & transducers, 244(5), 7-12

Speech is unique mode of communication among humans. Speech is a complex method of communication systems when compared with other methods. As humans, we also use non-speech, which is non-verbal communication to convey information. Nonverbal communica... Read More about Identification of a Speaker from Characteristics of a Voice.

Assistive Technology for the Visually Impaired: Optimizing Frame Rate (Freshness) to Improve the Performance of Real-Time Objects Detection Application (2020)
Conference Proceeding
Barakat, B., Steponenaite, A., Lall, G. S., Arshad, K., Wassell, I. J., & Keates, S. (2020). Assistive Technology for the Visually Impaired: Optimizing Frame Rate (Freshness) to Improve the Performance of Real-Time Objects Detection Application. In Universal Access in Human-Computer Interaction. Applications and Practice: Proceedings, Part II (479-492). https://doi.org/10.1007/978-3-030-49108-6_34

It has been 100+ years since the world’s first commercial radio station started. This century witnessed several astonishing inventions (e.g. the computer, internet and mobiles) that have shaped the way we work and socialize. With the start of a new d... Read More about Assistive Technology for the Visually Impaired: Optimizing Frame Rate (Freshness) to Improve the Performance of Real-Time Objects Detection Application.

Phonemes: An Explanatory Study Applied to Identify a Speaker (2020)
Conference Proceeding
Kinkiri, S., Barakat, B., & Keates, S. (2020). Phonemes: An Explanatory Study Applied to Identify a Speaker. In Machine Learning, Image Processing, Network Security and Data Sciences (58-68). https://doi.org/10.1007/978-981-15-6318-8_6

Speaker Identification (SI) is a process of identifying a speaker automatically via a machine using the speaker’s voice. In SI, one speaker’s voice is compared with n- number of speakers’ templates within the reference database to find the best match... Read More about Phonemes: An Explanatory Study Applied to Identify a Speaker.

How to Measure the Average and Peak Age of Information in Real Networks? (2019)
Conference Proceeding
Barakat, B., Yassine, H., Keates, S., Wassell, I., & Arshad, K. (2019). How to Measure the Average and Peak Age of Information in Real Networks?.

The Age of information (AoI) was proposed in the literature to quantify the freshness of information. The majority of the work done in this area has theoretically evaluated AoI and its Peak (PAoI). In this paper, a method for obtaining the value of A... Read More about How to Measure the Average and Peak Age of Information in Real Networks?.

Modelling IoT devices communication employing representative operation modes to reveal traffic generation characteristics (2019)
Journal Article
Barakat, B., Keates, S., Wassell, I. J., & Arshad, K. (2021). Modelling IoT devices communication employing representative operation modes to reveal traffic generation characteristics. International Journal of Parallel, Emergent and Distributed Systems, 36(2), 117-129. https://doi.org/10.1080/17445760.2019.1649402

Several traffic models for the Internet of Things (IoT) have been proposed in the literature. However, they can be considered as heuristic models since they only reflect the stochastic characteristic of the generated traffic. In this paper, we propos... Read More about Modelling IoT devices communication employing representative operation modes to reveal traffic generation characteristics.

Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios (2019)
Conference Proceeding
Barakat, B., Keates, S., Wassell, I., & Arshad, K. (2019). Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios. In Universal Access in Human-Computer Interaction. Multimodality and Assistive Environments (419-430). https://doi.org/10.1007/978-3-030-23563-5_33

Real-time systems make their decisions based on information communicated from sensors. Consequently, delivering information in a timely manner is critical to such systems. In this paper, a policy for delivering fresh information (or minimising the Pe... Read More about Adaptive Status Arrivals Policy (ASAP) Delivering Fresh Information (Minimise Peak Age) in Real World Scenarios.

Is the Zero-Wait Policy Always Optimum for Information Freshness (Peak Age) or Throughput? (2019)
Journal Article
Barakat, B., Keates, S., Wassell, I., & Arshad, K. (2019). Is the Zero-Wait Policy Always Optimum for Information Freshness (Peak Age) or Throughput?. IEEE Communications Letters, 23(6), 987-990. https://doi.org/10.1109/LCOMM.2019.2907935

The Zero-Wait (ZW) policy is widely held to achieve maximum information 'freshness', i.e., to achieve minimum Peak Age (PA) and maximum throughput, for real-time Internet-of-Things applications. In this paper, it was shown through a series of experim... Read More about Is the Zero-Wait Policy Always Optimum for Information Freshness (Peak Age) or Throughput?.

Deriving Machine to Machine (M2M) Traffic Model from Communication Model (2019)
Conference Proceeding
Barakat, B., Keates, S., Arshad, K., & Wassell, I. J. (2019). Deriving Machine to Machine (M2M) Traffic Model from Communication Model. In The Fifth International Symposium on Innovation in Information and Communication Technology (ISIICT 2018) (27-31). https://doi.org/10.1109/ISIICT.2018.8613727

The typical traffic models proposed in literature can be considered as heuristic models since they only reflect the stochastic characteristic of the generated traffic. In this paper, we propose a model for M2M communications that generates the traffi... Read More about Deriving Machine to Machine (M2M) Traffic Model from Communication Model.

Generalized proportional fair (GPF) scheduler for LTE-A (2017)
Conference Proceeding
Aramide, S. O., Barakat, B., Wang, Y., Keates, S., & Arshad, K. (2017). Generalized proportional fair (GPF) scheduler for LTE-A. In 2017 9th Computer Science and Electronic Engineering (CEEC) (128-132). https://doi.org/10.1109/CEEC.2017.8101612

The growth of wireless traffic and the demand for higher data rates motivated researchers around the world to enhance the Long Term Evolution-Advanced (LTE-A) performance. Recently, a considerable amount of the research had been done to optimise the... Read More about Generalized proportional fair (GPF) scheduler for LTE-A.

Coverage and capacity self-optimisation in LTE-Advanced using active antenna systems (2016)
Conference Proceeding
Sharsheer, M., Barakat, B., & Arshad, K. (2016). Coverage and capacity self-optimisation in LTE-Advanced using active antenna systems. . https://doi.org/10.1109/wcnc.2016.7564650

In order to enhance the Long Term Evolution (LTE) network performance, the Third Generation Partnership Project (3GPP) introduced Coverage and Capacity Optimisation (CCO) in the context of Self Organising Network (SON). Antenna parameters (i.e. azimu... Read More about Coverage and capacity self-optimisation in LTE-Advanced using active antenna systems.

Energy efficient scheduling in LTE-advanced for Machine Type Communication (2015)
Conference Proceeding
Barakat, B., & Arshad, K. (2015). Energy efficient scheduling in LTE-advanced for Machine Type Communication. . https://doi.org/10.1109/iemcon.2015.7344443

Machine Type Communication (MTC) is gaining an enormous interest among communication industry and academia all around the world. The variety of services offered by MTC is expected to significantly increase the number of MTC Devices (MTCD) on wireless... Read More about Energy efficient scheduling in LTE-advanced for Machine Type Communication.

An adaptive hybrid scheduling algorithm for LTE-Advanced (2015)
Conference Proceeding
Barakat, B., & Arshad, K. (2015). An adaptive hybrid scheduling algorithm for LTE-Advanced. In 2015 22nd International Conference on Telecommunications (ICT). https://doi.org/10.1109/ict.2015.7124663

The 3 rd Generation Partnership Project (3GPP) introduced Long Term Evolution (LTE) in release 8, and afterwards it was updated significantly in later releases (referred to as LTE-Advanced). LTE and LTE-Advanced (LTE-A) aim to achieve higher spectral... Read More about An adaptive hybrid scheduling algorithm for LTE-Advanced.

Energy efficient carrier aggregation for LTE-Advanced (2015)
Conference Proceeding
Barakat, B., & Arshad, K. (2015). Energy efficient carrier aggregation for LTE-Advanced. . https://doi.org/10.1109/ieeegcc.2015.7060066

Traditional wireless and mobile network focuses on higher throughout, coverage and larger capacity. In future, energy efficiency is of vital importance for wireless networks due to a large number of connected and battery constrained mobile devices. I... Read More about Energy efficient carrier aggregation for LTE-Advanced.