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Wireless communication queueing model
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Application background A basics for learning Queuing model which can be used for learning Matlab Key Technology Wireless Communication uses Queuing model for traffic analysis
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QualNet for Wireless Sensor Networks
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This is the LAR and routing protocol of routingseveral 50nodes program that has been proposed for ad hoc networks. This paper proposes a method to improve the performance of routing protocols in ad hoc networks by using location information (e.g., global positioning system). By using location information, the proposed location aided routing (LAR) protocol limits the search of a small "request area" of ad hoc networks in a new way. This will result in a significant reduction in the number of messages being routed. We present two algorithms to determine the request area, and also suggest potential optimization of our algorithm.
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Wireless sensor networks
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Codes for WSN in mobility in Qualnet.
An IEEE 802.15.4-based Wireless Sensor Network
is considered, and the relationship between the IEEE 802.15.4topology formation mechanism and possible routing strategies at the network layer is studied. Two alternative routing schemes proposed in the framework of the ZigBee Alliance are analyzed. The first is the well-known Ad-hoc On demand Distance Vector (AODV) routing protocol, which was designed for highly dynamic application scenarios in wireless ad-hoc networks. The second is a tree-based routing scheme based on a hierarchical structure established among nodes during the network formation phase. This latter approach, referred to as HERA (HiErarchical Routing Algorithm) in the paper, routes packets from sensors to sink based on the parent-child relationships established by the IEEE 802.15.4 topology formation procedure.
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