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The rapid progress in the research and development of electronics, sensing, signal processing, and communication networks has significantly advanced the state of applications of intelligent transportation systems (ITSs). However, efficient and low-cost methods for gathering information in large-scale roads are lacking. Consequently, wireless sensor network (WSN) technologies that are low cost, low...
Robot vision is essential to aid in performing robotic tasks. Existing robotic path tracking methods used in the industry such as line following are simple but not capable to cater for continuous floor plan changes. This paper proposes a new vision based pattern design and detection algorithm that can be implemented on an existing mobile robot structure to provide path tracking and routing. A unique...
A novel application semantics based routing algorithm is proposed for wireless sensor networks to prolong network lifetime. The Sink node broadcasts task semantics message periodically in flooding fashion, the inter-network nodes process data at the different application task levels. According to semantic information of application and the node and its neighbors' status, the node processes data and...
A novel Internet media distribution system based on overlay multicast was studied and implemented. In the system, the nodes build the multicast route with a tree-first strategy and maintain the topology with an active strategy. In order to run the routing and topology algorithm effectively, a series of messages and protocols are designed as the core in the system. The implementation of the multicast...
In wireless sensor network, all nodes are energy constrained and designing an energy efficient routing protocol is very important. Clustering routing protocol is a kind of energy efficient routing, while using a virtual backbone to organize the nodes and perform an efficient routing is also a feasible way.
IEEE 802.11 has become the standard for home and enterprise deployment of wireless local area networks (LANs). Routing governs the flow of packets through the WMN. While shortest path routing minimizes the amount of network bandwidth used to transfer packets, it does not consider important factors such as link errors, link criticality, or channel diversity during path selection. Intelligent selection...
The nature of mobile ad hoc networks make the routing is highly dependent on cooperate behavior between nodes, and using reputation mechanism can enforce cooperation among the nodes to prevent selfish behavior. This article proposes a functional ontology for reputation routing mechanisms base on node behavior. In this ontology, the functional structures and conceptualize that compose the reputation...
Peer to peer systems are distributed systems, decreasing system load is important for improving the scalability of systems. Caching is always used to achieve load balance in structured p2p systems currently, but none of the current caching algorithms take system load into consideration. We proposes a caching model for decreasing system load in structured peer to peer systems, describes how peer uses...
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