Search Results - "Pomportsis, A."

Collaborative virtual learning environments: design and evaluation by Konstantinidis, A., Tsiatsos, Th, Pomportsis, A.

“…E-learning systems have gone through a radical change from the initial text-based environments to more stimulating multimedia systems. Such systems are…”
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Learning automata-based polling protocols for wireless LANs by Nicopolitidis, P., Papadimitriou, G.I., Pomportsis, A.S.

“…A learning automata-based polling (LEAP) protocol for wireless LANs, capable of operating efficiently under bursty traffic conditions, is introduced. We…”
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On the efficient use of multiple channels by single-receiver clients in wireless data broadcasting by Nicopolitidis, P., Chrysostomou, C., Papadimitriou, G.I., Pitsillides, A., Pomportsis, A.S.

“…SUMMARYThis letter proposes an adaptive wireless push system for wireless data broadcasting environments, where multiple channels are available for…”
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Optical switching: switch fabrics, techniques, and architectures by Papadimitriou, G.I., Papazoglou, C., Pomportsis, A.S.

“…The switching speeds of electronics cannot keep up with the transmission capacity offered by optics. All-optical switch fabrics play a central role in the…”
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Learning-automata-based TDMA protocols for broadcast communication systems with bursty traffic by Papadimitriou, G.I., Pomportsis, A.S.

“…A learning automata-based time-division multiple-access protocol for broadcast networks, which is capable of operating efficiently under bursty traffic…”
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Hybrid TDMA with heuristic traffic shaping: An efficient bandwidth allocation approach for heavy loaded LANs by Pallas, G.D., Papadimitriou, G.I., Pomportsis, A.S.

“…Hybrid TDMA (Time Division Multiple Access) with heuristic traffic shaping (HyTDMA/HTS) is a new collisionless MAC protocol for efficiently managing the…”
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A high performance scheduling priority scheme for WDM star networks by Sarigiannidis, P., Papadimitriou, G., Pomportsis, A.

“…A novel scheduling scheme for local area wavelength division multiplexing (WDM) single hop networks is introduced. The proposed protocol provides…”
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QAP: A QoS supportive adaptive polling protocol for wireless LANs by Lagkas, T.D., Papadimitriou, G.I., Pomportsis, A.S.

“…A QoS supportive adaptive polling (QAP) protocol for wireless LANs is introduced. QAP operates under an infrastructure wireless LAN, where an access point (AP)…”
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Efficient fast learning automata by Obaidat, M.S, Papadimitriou, G.I, Pomportsis, A.S

“…A new class of learning automata which are capable of supporting high-speed real-time applications is introduced. The proposed learning automata have a unique…”
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A novel medium access control protocol for optical local networks based on data request ordering by Sarigiannidis, P.G., Papadimitriou, G.I., Pomportsis, A.S.

“…The basic aim of the scheduling algorithms in wavelength division multiplexing (WDM) single-hop optical networks is to construct a short schedule, in order to…”
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A new approach to the design of MAC protocols for wireless LANs : Combining QoS guarantee with power saving by LAGKAS, T. D, PAPADIMITRIOU, G. I, NICOPOLITIDIS, P, POMPORTSIS, A. S

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A Power-Efficient Approach to Adaptive Polling Protocols for Wireless LANs by Nicopolitidis, P., Papadimitriou, G.I., Lagkas, T.D., Pomportsis, A.S.

“…This paper proposes the low power adaptive polling (LPOAP) MAC protocol for infrastructure wireless LANs (WLANs). It operates efficiently under bursty traffic…”
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Performance evaluation of an underwater acoustic data broadcasting system by Nicopolitidis, P, Papadimitriou, G I, Pomportsis, A S

“…This paper proposes an adaptive push system for dissemination of data in underwater acoustic wireless networks. Apart from achieving adaptation of its…”
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Using learning automata for adaptive push-based data broadcasting in asymmetric wireless environments by Nicopolitidis, P., Papadimitriou, G.I., Pomportsis, A.S.

“…Push systems are not suitable for applications with a priori unknown, dynamic client demands. This paper proposes an adaptive push-based system. It suggests…”
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Performance optimization of an adaptive wireless push system in environments with locality of demand by Nicopolitidis, P., Papadimitriou, G.I., Obaidat, M.S., Pomportsis, A.S.

“…In many data broadcasting applications clients are grouped into several groups, each one located at a different region, with the members of each group having…”
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A new high rate adaptive wireless data dissemination scheme by Nicopolitidis, P., Papadimitriou, G.I., Obaidat, M.S., Pomportsis, A.S.

“…With the increasing popularity of wireless networks and mobile computing, data broadcasting has emerged as an efficient way of delivering data to mobile…”
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A learning-automata-based controller for client/server systems by Papadimitriou, G.I., Vakali, A.I., Pomportsis, A.S.

“…Polling policies have been introduced to simplify the accessing process in client/server systems by a centralized control access scheme. This paper considers a…”
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SQAP: A simple QoS supportive adaptive polling protocol for wireless LANs by Lagkas, T.D., Papadimitriou, G.I., Pomportsis, A.S., Obaidat, M.S.

“…A Simple QoS supportive Adaptive Polling (SQAP) protocol for wireless LANs is introduced. SQAP operates under an infrastructure wireless LAN, where an Access…”
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Dependability evaluation of interconnection networks by Veglis, A., Pomportsis, A.

“…A novel method aiming at evaluating dependability of multiprocessor systems is presented. The systems under evaluation can incorporate various interconnection…”
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A framework for the design of bank communications systems by Sklira, M, Pomportsis, A.S, Obaidat, M.S

“…The development of electronic financial markets is moving rapidly. Banks are moving towards electronic banking in order to gain a prominent place in the…”
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