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Lately the use of wireless sensor networks for monitoring seismic events has increased; however, these networks depends on the previous acknowledge of the infrastructure and topology. This topology can’t be updated if any of the nodes is lost during a seismic event, in addition the orientation of the first seismic wave can’t be predicted; because of this, it is necessary to use a type of dynamic network...
The lifetime of a sensor node depends on its energy consumption. In order to achieve efficient use of the energy and extend the network's lifetime, this paper discusses the routing algorithm, focusing on the algorithm of SPIN. In the light of the problem of “blindly forward” and “data unaccessible” in SPIN, a new routing algorithm called SPIN-I is proposed, and we simulate it from two aspects with...
In this paper, we consider the the WSNs layering learning routing algorithm of random spread of the nodes. A node routing algorithm is given out by node hierarchical and learning method. When count path of routing by using this algorithm, only a little information between this point and its adjacent points is needed. By using depth-first search strategy and combining node route historical experience,...
Recent technological advancements in the field of nanotechnology have increased the computation power of the wireless nodes while adhering to the energy constraints. This has made the use of the Wireless Sensor Networks (WSNs), more widespread, used in applications such as area monitoring, industrial monitoring, vehicle detection or military monitoring. Sensor nodes have made it possible to collect...
On the basis of analyzing, comparing the routing protocol and learning from the advanced thinking, the author proposes the algorithm of wireless sensor network routing based on gradient and the residual energy ant algorithm. Using the character that ant algorithm is simple and easy to realize, works in the part, and it integrates link quality into pheromone and supports many links to design the wireless...
With the keep growing of the ratio of people over 65, the health care system for elder people is facing challenges. WBAN, being the newest technology, will play an important role in elder people health care system. In this paper, we discussed integrated application of WBAN and WSN in nursing home's health care system, proposed a gradient routing protocol for WSN to satisfy the needs of WBAN data transfer...
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