Browsing by Subject "Telecommunication"
Now showing items 1-20 of 21
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Conference Object
4G converged environment: Modeling network selection as a game
(2007)Network Selection mechanism in 4G mobile networks is a newly introduced mechanism that handles the selection of the best network to satisfy a service request. Network Selection needs to take part prior to admission of the ...
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Conference Object
Adaptive feedback algorithm for internet video streaming based on fuzzy rate control
(2007)It is beyond any doubt that the unpredictable nature of the today's Internet has tremendous impact on the transmission of video streams. With respect to the real-time nature of video streaming, unpredictable band-width, ...
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Conference Object
A brief overview of m-health e-emergency systems
(2008)Rapid advances in wireless communications and networking technologies, linked with advances in computing and medical technologies facilitate the development and offering of emerging mobile systems and services in the ...
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Conference Object Open Access
Cobbalt “multimedia self-learning telecommunications on internet”
(Department of Educational Sciences, University of Cyprus, 2003)E-learning represents in our times a very important technology for learning/teaching without having many of the constraints of the classical methods. COBBALT is a multimedia Web based application for self-learning ...
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Conference Object
Combating persistent adversaries in wireless sensor networks using directional antennas
(2011)Security is an important property in applications offering services in mission-critical areas, such as in healthcare, military, transportation, etc. Wireless sensor networks (WSN) support the mission of these applications ...
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Conference Object
An enhanced MBMS service provision approach for improved performance in UTRAN
(2011)As currently specified by 3GPP for UMTS, MBMS services are provided within a cell, either by P-t-P or by P-t-M transmission mode, but not both at the same time. Our previous work highlighted the inefficiencies that can ...
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Conference Object
Further results on optimal signaling over secure MIMO channels
(2013)Optimal signalling over the wire-tap MIMO Gaussian channel is studied under the total transmit power constraint. The recent results are extended in several directions, including a rank-deficient solution for the optimal ...
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Conference Object
Handover control in MBMS enabled 3G mobile cellular networks
(2007)Handover Control in a cellular infrastructure aims to provide continuity of mobile services to a user traveling over cell boundaries. Using the existing Handover Control algorithm in 3rd Generation (3G) Mobile Cellular ...
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Conference Object
HomeWeb: An application framework for Web-based smart homes
(2011)Household appliances are being equipped with embedded micro-controllers and wireless transceivers, offering smart behavior. These augmented appliances form wireless networks and transform residential areas into smart homes. ...
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Article
Improved coverage in WSNs by exploiting spatial correlation: the two sensor case
(2011)Abstract One of the main applications of Wireless Sensor Networks (WSNs) is area monitoring. In such problems, it is desirable to maximize the area coverage. The main objective of this work is to investigate collaborative ...
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Conference Object
The micropulse framework for adaptive waking windows in sensor networks
(2007)In this paper we present MicroPulse, a novel framework for adapting the waking window of a sensing device S based on the data workload incurred by a query Q. Assuming a typical tree-based aggregation scenario, the waking ...
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Conference Object
MINT views: Materialized In-Network Top-k views in sensor networks
(2007)In this paper we introduce MINT (Materialized In-Network Top-k) Views, a novel framework for optimizing the execution of continuous monitoring queries in sensor networks. A typical materialized view V maintains the complete ...
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Conference Object
Modeling context information for realizing simple mobile services
(2007)The emerging technology of mobile services is gaining on importance nowadays and various applications are being developed. Context-awareness constitutes an essential part of mobile services, as it can boost the provision ...
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Conference Object
Nine months in the life of EGEE: A look from the South
(2007)Grids have emerged as wide-scale, distributed infrastructures providing enough resources for always more demanding scientific experiments. EGEE is one of the largest scientific Grids in production operation today, with ...
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Conference Object
On optimal signaling over secure MIMO channels
(2012)Optimal signalling over the wire-tap MIMO Gaussian channel is studied under the total transmit power constraint. A direct proof of the necessary condition of optimality (signaling on the positive directions of the difference ...
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Conference Object
Optimal control of a two-wheeled mobile robot via finite capacity communication channel
(2008)This paper presents specific hardware and components which can be used to implement optimal control strategies via wireless communication channels to achieve path tracking. The position of the robot at each time instant ...
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Article
Probabilistic approaches to fault detection in networked discrete event systems
(2005)In this paper, we consider distributed systems that can be modeled as finite state machines with known behavior under fault-free conditions, and we study the detection of a general class of faults that manifest themselves ...
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Conference Object
Real-time web crawler detection
(2011)In this paper we present a methodology for detecting web crawlers in real time. We use decision trees to classify requests in real time, as originating from a crawler or human, while their session is ongoing. For this ...
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Conference Object
Robust capacity for additive colored Gaussian uncertain channels
(2005)This paper is concerned with the definition and computation of channel capacity of continuous time additive Gaussian channels, when the channel is subject to uncertainty, the noise power spectral density is known and the ...
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Conference Object
Service composition: State of the art and future challenges
(2007)Service discovery and service composition constitute challenging tasks of service provisioning. Service composition is especially gaining on importance, as it can produce new composite services with features not present ...