Browsing by Author "Khandaker, Ariful Islam"

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    Improving the Performance of Data Delivery in Wireless Sensor Networks
    (Journal of Telecommunications, 2011-05) Karim, Rezaul; Furhad, Hasan; Khaliluzzaman, Md.; Khandaker, Ariful Islam
    A wireless sensor network is a group of sensors that are geographically distributed and interconnected by wireless networks. Sen sors gather information about the state of physical world. Reliable data transfer is an important facet of dependability and quality of service (QoS) in WSNs. Supporting QoS will be of critical importance for pervasive WSNs that serve as the network infrastructure of diverse applica tions. This paper gives us idea about QoS concepts as well as how can we achieve better reliability in WSNs. Thus, we first review about WSNs as well as sensor nodes, analyze new QoS requirements in WSNs from a wide variety of applications classified by data delivery models and propose QoS in WSNs considering the packet to be small in size so that it can travel faster through the network by avoiding collision. In this way we can improve the Quality of Service in the network. Finally we presented our simulation by NS-2 (Network Simulator).