Now showing items 1-20 of 38

    • Budgetary and redundancy optimisation of homogeneous series-parallel systems subject to availability constraints using matlab implemented genetic computing 

      Chaaban, W., Schwarz, M. and Borcsock, J. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      This paper deals with finding optimal structures and redundant safety designs with minimal costs for series-Parallel multi state system (MSS) configurations subject to availability constraints using genetic algorithms as ...
    • Comparing and contrasting smartphone and non-smartphone usage 

      Carolan, E.; McLoone, S.C.; Farrell, R. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      This paper presents a large-scale network wide analysis of both user behaviour and network dynamics in a live nationwide 2G/3G network. The employed data set tracks over one million subscribers across upwards of ten thousand ...
    • Control of open-loop unstable processes with time delay using PI/PID controllers specified using tuning rules: An outline survey 

      O'Dwyer, A. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      The ability of PI and PID controllers to compensate many practical processes has led to their wide acceptance in industrial applications. The requirement to choose two or three controller parameters is conveniently done ...
    • Cooperatively extending the range of indoor localisation 

      Cullen, G.; Curran, K.; Santos, J. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Whilst access to location based information has been mostly possible in the outdoor arena through the use of GPS, the provision of accurate positioning estimations and broad coverage in the indoor environment has proven ...
    • Cryptography using evolutionary computing 

      Blackledge, J.; Bezobrazov, S.; Tobin, P.; Zamora, F. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      We present a method of generating encryptors, in particular, Pseudo Random Number Generators (PRNG), using evolutionary computing. Working with a system called Eureqa, designed by the Cornell Creative Machines Lab, we seed ...
    • Design implementation and evaluation of a tablet-based student response system for an engineering classroom 

      McLoone, S.C.; O'Keeffe, S.; Villing, R. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Student response systems (SRSs) have generated significant debate and discussion in the educational research literature in the past decade. It is well known that they offer several important advantages including encouraging ...
    • Detection and characterization of acoustic signals from a granulation process 

      Gupta, Y.; O'Brien, T.; Ruiyao, Gao. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      This paper presents the development of an acoustic emission monitoring system and its application to the investigation of acoustic emissions from a high-shear granulation. The system utilizes two piezoelectric sensors which ...
    • Error-free authentication watermarking based on prediction-error-expansion reversible technique 

      Rongrong Ni; Cheng, H.D.; Yao Zhao.; Yu Hou. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Watermarking technology is an efficient method to protect multimedia content. In this paper, an error-free authentication watermarking is proposed based on prediction-error-expansion reversible technique. A binary image ...
    • Experimental evaluation of mobile phone sensors 

      Zhizhong Ma.; Yuansong Qiao.; Lee, B.; Fallon, E. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Smart phone has become an important part of people's daily life. Most of current smart phone are equipped with a rich set of built-in sensors. The mobile applications such as geo-location based video annotation and indoor ...
    • Extraction of reliability indicators from large-scale, highly variable timing data of MEMS switches 

      Kosla, C.; Hill, M. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      In this paper we present a method for monitoring and processing large-scale highly variable and nonlinear reliability data for MEMS RF Switches. The data is generated by measuring the switch actuation dynamics and a ...
    • Formal verification of ‘full chip’ containing ‘shell’ partitions with and without feed-thrus 

      Iqbal, R. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      The `Full Chip' module of an ASIC is made up of various partitions and similar to individual partitions, it also goes through various stages of the physical design. The initial design-planning works on the existing pins ...
    • Ghostbusters: A parts-based NMF algorithm 

      de Frein, R. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      An exact nonnegative matrix decomposition algorithm is proposed. This is achieved by 1) Taking a nonlinear approximation of a sparse real-valued dataset at a given tolerance-to-error constraint, c; Choosing an arbitrary ...
    • IEEE 802.15.4a UWB-IR ranging with bilateral transmitter power control methodology for multipath effects mitigation 

      Tingcong, Ye.; Walsh, M.; O'Flynn, B. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      IEEE 802.15.4a Ultra Wideband Impulse Radio (UWB-IR) measures the distance using the time-of-arrival (TOA) of the leading path signal. Multipath propagation in indoor environments can adversely affect the signal to noise ...
    • Impact of DFT properties on the inherent resolution of compressed sensing reconstructed images 

      Smith, M.; Woehr, J.; Marasco, E.; MacDonald, M.E. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Compressed sensing (CS) algorithms exploit sparseness properties to reconstruct high spatial resolution magnetic resonance (MR) images from k-space data acquisitions significantly under sampled to reduce imaging times. CS ...
    • Improved stereo instrumental track recovery using median nearest-neighbour inpainting 

      Jaiswal, R.; Fitzgerald, D. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Several algorithms have been proposed for vocal removal which operate by finding the position of the vocals in the stereo field and removing the time-frequency bins associated with that position. However, in many cases, ...
    • Linearity vs. power consumption of CMOS LNAs in LTE systems 

      Szczepkowski, G.; Farrell, R. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      This paper presents a study of linearity in wideband CMOS low noise amplifiers (LNA) and its relationship to power consumption in context of Long Term Evolution (LTE) system. Using proposed figure of merit to compare 35 ...
    • Modeling user behaviour in response to cyberthreats 

      Caldwell, A.; McGarvey, J. (IET CONFERENCE PUBLICATIONS, 2013-06)
      Considerable challenges exist for the average computer user, organizations and indeed governmental agencies with the advent and evolution of threats directed against the computer user today. Combating cyberthreats has not ...
    • Motion-onset visual evoked potentials for gaming: A pilot study 

      Marshall, D.; Coyle, D.; Wilson, S. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      This paper details a pilot study for a motion onset Visual Evoked Potential (mVEP) based Brain Computer Interface (BCI) controlled game. mVEP is a type of VEP that uses visual responses from the dorsal pathway of the visual ...
    • Near-field radiation patterns for an Ultra-Wide-Band antenna 

      Blackledge, J.; Babajanov, B. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      We present a three-dimensional time dependent model for simulating the electromagnetic radiation field patterns generated by Ultra-Wide-Band (UWB) antennas. UWB antennas are pulsed mode radiators used to communicate ...
    • On the application of two dimensional chirplets for resilient digital image watermarking 

      Blackledge, J.; Iakovenko, O. (Signals and Systems Conference (ISSC 2013), 24th IET Irish, 2013-06)
      Chirplets (swept-frequency harmonic signals) find applications in several areas, including real and synthetic aperture radar, (Fresnel) optics and image processing. The robustness of chirplets to extreme (additive) noise ...