• Underwater depth and temperature sensing based on fiber optic technology for marine and fresh water applications 

  Duraibabu, Dinesh Babu; Leen, Gabriel; Toal, Daniel; Newe, Thomas; Lewis, Elfed; Dooly, Gerard (MDPI, 2017)

  Oceanic conditions play an important role in determining the effects of climate change and these effects can be monitored through the changes in the physical properties of sea water. In fact, Oceanographers use various ...
• An optical fibre-based sensor for real-time monitoring of clinical linear accelerator radiotherapy delivery 

  O'Keeffe, Sinéad; Zhao, W; Sun, W; Zhang, D; Qin, Z; Chen, Z; Ma, Y; Lewis, Elfed (IEEE Computer Society, 2016)

  A novel real-time optical fibre X-Ray dosimeter for monitoring the radiation pulses delivered from a clinical linear accelerator (Linac) is presented. The primary focus of the sensor is to measure low doses of ionising ...
• Enriching mental health Mobile assessment and intervention with situation awareness 

  Soares Teles, Ariel; Rocha, Artur; José da Silva e Silva, Francisco; Correia Lopes, João; O’Sullivan, Donal; van de Ven, Pepijn; Endler, Markus (MDPI, 2017)

  Current mobile devices allow the execution of sophisticated applications with the capacity for identifying the user situation, which can be helpful in treatments of mental disorders. In this paper, we present SituMan, a ...
• A survey of sensor devices: use in sports biomechanics 

  Howard, Róisín Marie; Conway, Richard; Harrison, Andrew J. (Taylor and Francies, 2016)

  This paper examines the use of sensor devices in sports biomechanics, focusing on current frequency of use of Electromyography (EMG) device preferences. Researchers in the International Society of Biomechanics in Sports ...
• 40 Gb/s NRZ-DQPSK data wavelength conversion with amplitude regeneration using four-wave mixing in a quantum dash semiconductor optical amplifier 

  Connelly, Michael J.; Krzczanowicz, Lukasz; Morel, Pascal; Sharaiha, Ammar; Lelarge, Francois; Brenot, Romain; Joshi, Siddharth; Barbet, Sophie (2016)

  Differential quadrature phase shift keying (DQPSK) modulation is attractive in high-speed optical communications because of its resistance to fiber nonlinearities and more efficient use of fiber bandwidth compared to ...
• An FPGA based reconfigurable IPSec ESP core suitable for IoT applications 

  Rao, Muzaffar; Coleman, Joseph; Newe, Thomas (IEEE Computer Society, 2016)

  This work implements an FPGA (Field Programmable Gate Array) based reconfigurable IPSec ESP core. The IPSec protocol, developed by the IETF (Internet Engineering Task Force) in 1998, is a popular solution to facilitate ...
• Optical fibre multi-parameter sensing with secure cloud based signal capture and processing 

  Newe, Thomas; O'Connell, Eoin; Meere, Damien; Yuan, Hongwei; Leen, Gabriel; O'Keeffe, Sinéad; Lewis, Elfed (Society of Photo-optical Instrumentation Engineers (SPIE), 2016)

  Recent advancements in cloud computing technologies in the context of optical and optical fibre based systems are reported. The proliferation of real time and multi-channel based sensor systems represents significant growth ...
• Secure and efficient key coordination algorithm for line topology network maintenance for use in maritime wireless sensor networks 

  Elgenaidi, Walid; Newe, Thomas; O'Connell, Eoin; Toal, Daniel; Dooly, Gerard (MDPI, 2016)

  There has been a significant increase in the proliferation and implementation ofWireless Sensor Networks (WSNs) in different disciplines, including the monitoring of maritime environments, healthcare systems, and industrial ...
• Consumer-oriented incoming call connection service for the ubiquitous consumer wireless world 

  Wang, Ning (University of Limerick, 2010)

  This thesis proposes a novel consumer-oriented Incoming Call Connection (ICC) service as an important enabling infrastructural component of the recently proposed ubiquitous consumer wireless world (UCWW), a new ...
• The use of cardiac autonomic and hemodynamic monitoring as a surrogate marker for sleep stability and performance in austere and extreme environments 

  Ó Gríofa, Marc (Universiyt of Limerick, 2012)

  Mission success and crewmember performance can be detrimentally affected by the effects of sleep deprivation. These effects are often compounded by the isolation, confinement and the acrimonious psychosocial interactions ...
• An optical fibre depth (pressure) sensor for remote operated vehicles in underwater applications 

  Duraibabu, Dinesh Babu; Poeggel, Sven; Omerdic, Edin; Capocci, Romano; Lewis, Elfed; Newe, Thomas; Leen, Gabriel; Toal, Daniel; Dooly, Gerard (MDPI, 2017)

  A miniature sensor for accurate measurement of pressure (depth) with temperature compensation in the ocean environment is described. The sensor is based on an optical fibre Extrinsic Fabry-Perot interferometer (EFPI) ...
• Glass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals for frequency conversion of lasers 

  Fang, Zaijin; Xiao, Xusheng; Wang, Xin; Ma, Zhijun; Lewis, Elfed; Farrell, Gerald; Wang, Pengfei; Ren, Jing; Guo, Haitao; Qiu, Jianrong (Nature Publishing Group, 2017)

  A glass-ceramic optical fiber containing Ba2TiSi2O8 nanocrystals fabricated using a novel combination of the melt-in-tube method and successive heat treatment is reported for the first time. For the melt-in-tube method, ...
• Inspection-class remotely operated vehicles a review 

  Capocci, Romano; Dooly, Gerard; Omerdic, Edin; Coleman, Joseph; Newe, Thomas; Toal, Daniel (MDPI, 2017)

  This paper presents a review of inspection-class Remotely Operated Vehicles (ROVs). The review divides the classification of inspection-class ROVs; categorising the vehicles in order of size and capability. A state of ...
• Selective doping of Ni2+ in highly transparent glass-ceramics containing nano-spinels ZnGa2O4 and Zn1+xGa2-2xGexO4 for broadband near-infrared fiber amplifiers 

  Gao, Zhigang; Liu, Yinyao; Ren, Jing; Fang, Zaijin; Lu, Xiaosong; Lewis, Elfed; Farrell, Gerald; Yang, Jun; Wang, Pengfei (Nature Publishing Group, 2017)

  Selective doping of Ni2+ in octahedral sites provided by nanocrystals embedded in glass-ceramics (GCs) is crucial to the enhancement of broadband near-infrared (NIR) emission. In this work, a NIR emission with a full- ...
• A secure end-to-end IoT solution 

  Mathur, Avijit; Newe, Thomas; Elgenaidi, Walid; Rao, Muzaffar; Dooly, Gerard; Toal, Daniel (Elsevier, 2017)

  The Internet of Things (IoT) has been expanding in recent years with advancements in technologies, techniques and devices. This expansion has led to several different applications in the medical, civil, marine, military ...
• ULTEMAT: A mobile framework for smart ecological momentary assessments and interventions 

  van de ven, Pepijn; O'Brien, Hugh; Henriques, Ricardo; Klein, Michel; Msetfi, Rachel M; Nelson, John; Rocha, Artur; Ruwaard, Jeroen; O’Sullivan, Donal; Riper, Heleen (Elsevier, 2017)

  In this paper we introduce a new Android library, called ULTEMAT, for the delivery of ecological momentary assessments (EMAs) on mobile devices and we present its use in the MoodBuster app developed in the H2020 ...
• An experimental study of the effects of external physiological parameters on the photoplethysmography signals in the context of local blood pressure (hydrostatic pressure changes) 

  Yuan, Hongwei; Poeggel, Sven; Newe, Thomas; Lewis, Elfed; Viphavakit, Charusluk; Leen, Gabriel (MDPI, 2017)

  A comprehensive study of the effect of a wide range of controlled human subject motion on Photoplethysmographic signals is reported. The investigation includes testing of two separate groups of 5 and 18 subjects who were ...
• Enhancing digital control for DC/DC converters 

  Effler, Simon (University of Limerick, 2010)

  The continuing trend in switched-mode power supplies clearly leads to the delivery of more output power with an ever increasing number of voltages more efficiently at less cost. Increasing power management requirements, ...
• Enriching mental health mobile assessment and intervention with situation awareness 

  Teles, Ariel Soares; Rocha, Artur; da Silva e Silva, Francisco; Lopes, João Correia; O'Sullivan, Donal; van de ven, Pepijn; Endler, Marcus (2017)

  Current mobile devices allow the execution of sophisticated applications with the capacity for identifying the user situation, which can be helpful in treatments of mental disorders. In this paper, we present SituMan, a ...
• A 100dB SFDR 0.5V pk-pk band-pass DAC implemented on a low voltage CMOS process 

  Mullane, Brendan; O'Brien, Vincent (Springer, 2012)

  Direct Digital Synthesis (DDS) systems generate fine frequency resolution signals over a broad spectrum that are used in a wide variety of applications such as multi-mode RF, communications, measurements and test. A ...

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