Exploració per autor "Durresi, Arjan"

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    • A cluster head decision system for sensor networks using fuzzy logic and number of neighbor nodes 

      Anno, Junpei; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      Cluster formation and cluster head selection are important problems in sensor network applications and can drastically affect the network’s communication energy dissipation. However, the selection of cluster head is not ...

    • A cluster head selection method for wireless sensor networks based on fuzzy logic 

      Anno, Junpei; Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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      Sensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable ...

    • A comparison study of two fuzzy-based handover systems for avoiding ping-pong effect in Wireless Cellular Networks 

      Mino, Gjergji; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      Wireless mobile networks and devices are becoming increasingly popular to provide users the access anytime and anywhere. The mobile systems are based on cellular approach and the area is covered by cells that overlap each ...

    • A distributed QoS Routing and CAC framework: performance evaluation of its SSRA and InterD Agents 

      Barolli, Leonard; Ikeda, Makoto; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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      In order to support multimedia communication, it is necessary to develop routing algorithms which use for routing more than one QoS parameters. This is because new services such as video on demand and remote meeting systems ...

    • A fuzzy based call admission control scheme for wireless cellular networks considering priority of on-going connections 

      Mino, Gjergji; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      The mobile cellular systems are expected to support multiple services with guaranteed Quality of Service (QoS).But, the ability of wireless systems to accommodate expected growth of traffic load and broadband services is ...

    • A fuzzy-based CAC scheme for wireless cellular networks considering different priorities 

      Ikebata, Taku; Mino, Gjergji; Barolli, Leonard; Koyama, Akio; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      The mobile cellular systems are expected to support multiple services with guaranteed Quality of Service(QoS). But, the ability of wireless systems to accommodate expected growth of traffic load and broadband services is ...

    • A fuzzy-based call admission control system for wireless cellular networks 

      Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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      The mobile cellular systems are expected to support multiple services with guaranteed quality of service (QoS). However, the ability of wireless systems to accommodate expected growth of traffic load and broadband services ...

    • A fuzzy-based handover system for avoiding ping-pong effect in wireless cellular networks 

      Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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      Many handover algorithms are proposed in the literature. However, to make a better handover and keep the QoS in wireless networks is very difficult. In this paper, we propose a new handover system based on fuzzy logic. The ...

    • A simulation system for routing efficiency in wireless sensor-actor networks: a case study for semi-automated architecture 

      Barolli, Leonard; Yang, Tao; Ikeda, Makoto; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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      Wireless networks have become increasingly popular and advances in wireless communications and electronics have enabled the development of different kind of networks such as Mobile Ad-hoc Networks (MANETs), Wireless Sensor ...

    • A simulation system for WSNs as a digital eco-system approach considering goodput metric 

      Barolli, Leonard; Yang, Tao; Mino, Gjergji; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves ...

    • An intelligent fuzzy-based cluster head selection system for wireless sensor networks and its performance evaluation 

      Ando, Hironori; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      Sensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable ...

    • An intelligent fuzzy-based cluster head selection system for WSNs and its performance evaluation for D3N parameter 

      Ando, Hironori; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      Cluster formation and cluster head selection are important problems in sensor network applications and can drastically affect the network's communication energy dissipation. However, selecting of the cluster head is not ...

    • An intelligent handoff system for wireless cellular networks using fuzzy logic and random walk model 

      Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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      In mobile cellular systems the handover is a very important process to maintain the desired Quality of Service (QoS). Many handover algorithms are proposed in the literature. However, to make a better handover and keep the ...

    • Design and implementation of a JXTA-Overlay P2P system and smart box environment 

      Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos; Koyama, Akio; Durresi, Arjan; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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      In this paper, we present the design and implementation of the JXTA-based e-Learning P2P system. We also show the design and implementation of a smart box environment that will be used for stimulating the learners to ...

    • Experimental evaluation of a MANET testbed in indoor stairs scenarios 

      Hiyama, Masahiro; Ikeda, Makoto; Barolli, Leonard; Kulla, Elis; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      In recent years, Mobile Ad hoc Networks (MANETs) are continuing to attract the attention for their potential use in several fields. Mobility and the absence of any fixed infrastructure make MANETs very attractive for ...

    • Experimental results and evaluation of SmartBox stimulation device in a P2P e-learning system 

      Matsuo, Keita; Barolli, Leonard; Arnedo Moreno, Joan; Xhafa Xhafa, Fatos; Koyama, Akio; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      In this paper, we present the experimental results and evaluation of the SmartBox stimulation device in P2P e-learning system which is based on JXTA-Overlay. We also show the design and implementation of the SmartBox ...

    • Immediate mode scheduling of independent jobs in computational grids 

      Xhafa Xhafa, Fatos; Barolli, Leonard; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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      With the emerging paradigm of grid computing and the development of grid infrastructures, grid-based applications are becoming a common approach for solving many complex, large-scale problems in science and engineering. ...

    • Impact of mobile event movement on the performance of wireless sensor networks 

      Yang, Tao; Barolli, Leonard; Mino, Gjergji; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      In this paper, we investigate how the sensor network performs in the case when the event moves with special movement path. We compare the simulation results for four scenarios: when the event is stationary, moving randomly, ...

    • Impact of mobile sink for wireless sensor networks considering different radio models and performance metrics 

      Yang, Tao; Mino, Gjergji; Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      In this work, we investigate how WSN performs in the case when sink node moves using different radio models and metrics. We consider routing efficiency, delay and number of received packet metrics to evaluate the performance ...

    • Impact of mobile sink for wireless sensor networks considering goodput and routing efficiency metrics 

      Yang, Tao; Mino, Gjergji; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
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      Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves ...