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Wireless Sensor Networks (WSNs) have been considered in a number of different contexts, some of which may request the fast delivery of the sensed data to a gateway node. This work explores the use of Cooperative Communication (CC) and topology control to improve WSN connectivity while reducing the average end-to-end delay to route data items to a sink node. Two techniques are proposed in this work:...
The growing demand for mobile wireless access has stimulated the emergence of new communication technologies. Opportunistic Spectrum Access (OSA) is viewed as a promising alternative to overcome the problems caused by static spectrum assignment. Opportunistic access allows dynamic mapping of the transmission needs and communication opportunities. However, performing this task efficiently is not trivial...
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