Browsing by Author "Dias, D"

Sort by: Order: Results:

  • A variant for Chess using an on-line multi player approach 
    Anupama, MKS; Galagedara, KG; Hettiarachchi, DHG; Kumari, LHAND; Samaraweera, SVK; Dias, D; Karunananda, AS [Conference-Abstract]
    Chess is one of the world’s most widespread games. We propose the novel concept of ‘group chess’, with the objective of using information technology as an educational aid for novice chess players, as well as for experienced ...
  • Affective E learning model for recognising learner emotions 
    Sandanayake, TC; Madurapperuma, AP; Dias, D [Article-Abstract]
    Online learning is commonly accepted as a support tool for educators as well as a medium of delivery of any-time, any-where content of a wide range of study programs to a widely dispersed learner community. Web-based ...
  • Beacon placement algorithm for hybrid indoor positioning with Wi-Fi and bluetooth low energy 
    Nuradha, T; Gnanarathne, I; Perera, L; Denipitiyage, D; Dias, D [Conference-Abstract]
    Indoor positioning by wireless means is of significant interest in a wide range of applications; Wi-Fi and Bluetooth Low Energy (BLE) are popular candidate wireless technologies for this. We present a novel BLE beacon ...
  • Body area sensor network for evaluating fitness exercise 
    Varatharajah, Y; Karunathilaka, N; Rismi, M; Kotinkaduwa, S; Dias, D [Conference-Abstract]
    The paper presents a wireless body area sensor network (BASN) for evaluating the effectiveness of fitness exercising. The goal of our work is to provide a mobile and an accurate way of quantifying the energy expenditure ...
  • Development of a prototype DS-CDMA System 
    Abhayawardhana, VS; Hunukumbure, RMM; Dias, D [Article-Full-text]
    This paper describes the development of a prototype Direct Sequence Code Division Multiple Access (DS-CDMA) system. The main objective of the work was to design and implement a CDMA system, based on its fundamental theoretical ...
  • Disaster and emergency warning network (DEWN) : harnessing cellular technologies for early warning dissemination 
    Wijesinghe, L; Siriwardena, P; Wijerathna, S; Purasinghe, H; Dias, D [Conference-Abstract]
    The Disaster and Emergency Warning Network (DEWN) is a last-mile disaster early warning system based on a suite of mobile technologies. It alerts citizens of impending disasters through SMS/Cell Broadcast activated ...
  • DSP-based speech training of hearing impaired children 
    Dias, D; Gajaweera, RN [Conference-Full-text]
    The paper describes the development of a speech trainer based on digital signal processing (DSP) techniques, for hearing impaired children. The DSP techniques investigated in the implementation of this software-based speech ...
  • Enabling ITS applications with affordable communication technologies 
    Wickramarachchi, T; Dharmaraj, N; Malinda, D; Nettasinghe, G; Senevirathne, I; Weerasuriya, S; Dias, D; Samarasinghe, T; Hemachandra, K [Conference-Abstract]
    Intelligent Transport System (ITS) aims to make travel and transportation safer, faster and more efficient. ITS includes but is not limited to emergency services, road safety, transportation infrastructure, traffic management ...
  • Enhanced probe vehicles for vehicular and road data collection and analysis 
    Wanninayake, S; Gayan, M; Rajapaksha, M; Dissanayake, C; Hemachandra, K; Dias, D; Samarasinghe, T; Wickramarachchi, T; Dharmaraj, N [Conference-Abstract]
    Information collection and analysis play a key role in transportation system planning, implementation, and operation. Accurate information on average speed, fuel consumption, road condition (a measure of rider comfort ...
  • Enhancing road safety with cost-effective wireless technologies 
    Samarasinghe, T; Sandaruwan, R; Hemachandra, K; Alagiyawanna, I; Sandeepa, S; Dias, S; Wickramarachchi, T; Dharmaraj, N; Dias, D [Conference-Abstract]
    Intelligent Transport System (ITS) applications are imperative for improving safety and efficiency on the road; for instance, accidents at railway and pedestrian crossings with fatal outcomes are frequently reported. ...
  • Extending the Reach of the Internet Through Paging 
    Dias, D; Dias, G; Perera, U [Article-Abstract]
    This paper describes a technique implemented for the integration of paging networks with the Internet through electronic mail. Pager subscribers are assigned standard Internet e-mail addresses. When a message is received ...
  • A framework to develop location based services applications using OGC map services 
    Fernando, N; Dias, D; Wijesekera, NTS [Conference-Abstract]
    A framework to support creation of location based services (LBS) applications using map services is designed and implemented. It provides a means to develop interoperable LBS applications which are independent of service ...
  • GIS/GPS/GPRS and Web – based framework for fleet tracking 
    Gamage, DS; Wijesinghe, WPL; Leelaratna, N; Karunaratne, GTI; Dias, D; Medagama, M [Article-Abstract]
    The paper presents the combined application of Geographical Information Systems (GIS), the Global Positioning System (GPS), the General Packet Radio Service (GPRS) and the Internet for tracking of vehicle fleets. It is one ...
  • A Methodology for speech quality assessment in wireless networks 
    Dharmapala, J; Dias, D
    Performance factors are important in today's* competitive telecommunications market where price differentials have been minimized. An important aspect of service performance is speech quality. This paper illustrates the ...
  • Mobile based GIS for dynamic map generation and team tracking 
    Karunarathne, D; Gunasekara, T; Dias, D [Conference-Abstract]
    We present an effective solution for both digital map generation and real time user tracking for teams operating in hazardous environments or unfamiliar territory. The system is based on the client server model, where the ...
  • A Multi-agent system for dynamic ride sharing 
    Bandara, HANC; Dias, D [Conference-Abstract]
    This paper proposes a novel method for a dynamic ridesharing mechanism using the combination of several modern information and communication technologies. The increased personal usage of automobiles has caused several ...
  • Open source mobile network 
    Sajeev, U; Muralitharan, R; Ramsan, MMM; Zamrath, MZM; Dias, D [Conference-Full-text]
    We present the development and testing of a cellular network built on open source technologies. This network supports voice calls and text messages within the network or between networks. The main objective of this work ...
  • Proceedings of the 10th annual symposium 2004 (Pre Text) 
    Dias, D [Conference-Extended-Abstract]
  • Proceedings of the 11th annual symposium 2005 (Pre Text) 
    Dias, D [Conference-Full-text]
  • Remote meter reading over power distribution lines 
    Gamage, K; Ranaweera, A; Karunadasa, JP; Dias, D [Conference-Extended-Abstract]
    The paper presents the development of a simple technique for remote reading of utility meters using low voltage power distribution lines. Remotely reading electricity, gas and water meters have distinct advantages over ...