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In WSNs (Wireless Sensor Networks), a source node sends its packets via multi-hop relays to a destination node if the source node cannot communicate with the destination node directly. A destination's hop-count with respect to a source is the least number of multi-hop relays required for the source to reach it. Given a WSN whose nodes are distributed randomly according to a homogeneous Poisson point...
In WSNs (wireless sensor networks), a source node sends its packets via multi-hop relays to a destination node if the source cannot communicate with the destination directly. Estimation of the Euclidean distance between the source and its destination is an important research issue. Among many other distance estimation techniques, the one based on the hop-count information has attracted a lot of research...
Unattended Wireless Sensor Networks (UWSNs) are composed of many small resource-constrained devices and operate autonomously, gathering data which is periodically collected by a visiting sink. Unattended mode of operation, deployment in hostile environments and value (or criticality) of collected data are some of the factors that complicate UWSN security. This paper makes two contributions. First,...
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