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Wireless Sensor Networks (WSNs) have generated a great interest for industrial and have enabled new applications in different domains. In this paper, we present a PHY/MAC/Network analytic model for asymmetric multihop WSNs using the unslotted IEEE802.15.4 protocol and a weighted fair queuing (WFQ) scheduling that models the forwarding capability of sensors. This model can be used for cross-layer optimization...
In this paper, a general framework, called probability-based solution (PBS), is proposed to balance the trade-off between the accessibility (in terms of the success probability to find a route reaching the destination) and the performance (in terms of spectral efficiency, outage probability or energy consumption) of distributed routing schemes in multi-hop wireless networks. In the PBS, the candidate...
Due to the limited energy supplies of nodes in many applications like wireless sensor networks, energy efficiency is crucial for extending the lifetime of these networks. This paper addresses the routing problem for outage-restricted multihop wireless ad hoc networks based on cooperative transmission. The source node wants to transmit messages to a single destination. Other nodes in the network may...
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