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The increasing trend in wireless Internet access has been boosted by IEEE 802.11. However, the application scenarios are still limited by its short radio range. Stub Wireless Multi-hop Networks (WMNs) are a robust, flexible, and cost-effective solution to the problem. Yet, typically, they are formed by single radio mesh nodes and suffer from hidden node, unfairness, and scalability problems. We propose...
In ad hoc networks, terminals form a network with decentralized and self-organizing manners. Although this can surely extend its potentials, it also suffers from unstable and unreliable communication environments. As concerns this, a broadcast-based routing protocol called opportunistic routing (OR) has been proposed. ORs do not establish any specific route from a source terminal to a destination...
Clustering is a widely used solution to provide routing scalability in wireless ad hoc networks. The design of clustering schemes is a complex problem due to the dynamic nature of this type of networks. This work proposes a Social-aware Clustering Scheme (SoCS) based on link history to improve the performance of clustering management operations. Each node maintains a history of past links with neighbour...
In this study, we introduce the concept of a virtual ??flea market?? over a vehicular ad hoc network (VANET) called FleaNet. FleaNet customers express their demands/offers to buy/sell items via radio queries. These queries are opportunistically disseminated, exploiting the mobility of other customers, until a matching customer/vendor is found. We identify the key performance metrics, namely, query...
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