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In wireless sensor networks, retransmission caused by collision induces the increase in delay and energy consumption. Therefore, this paper presents a collision-aware routing protocol based on cross-layer in wireless sensor networks(CARP), CARP no longer uses the traditional hop-count as routing metric, but introduces collision degree and energy level as the basis of routing and route adjustment....
To develop an energy-efficient routing protocol becomes one of the most important and difficult key tasks for wireless sensor networks. Traditional Rumor Routing is effective in random path building but winding or even looped path is prone to be formed, leading to enormous energy wasting. Clustering Rumor Routing proposed in this paper has advantages in energy saving by making full use of three features-clustering...
A mobile wireless sensor network consisting of a large amount of tiny sensors with low-power can be an effective tool for gathering data in a variety of environments. The data collected by each sensor is transmitted to a single processing center that uses all data to determine characteristics of the environment. Sensors deployed in all kinds of areas on a large scale can move with wind and water....
There are some unresolved issues in classical hierarchical routing protocols for wireless sensor networks (WSN), In this paper, an energy-efficient multi-hop hierarchical routing protocol (EMHR) is proposed for WSN. Based on the energy strategy in the cluster head decision, the node of the largest surplus energy is selected to become the cluster head, which can effectively avoid the low-energy nodes...
Hierarchical routing protocols are critical for the wireless sensor networks (WSN) to maximize its lifetime, but the existing protocols are prone to lead nodes in clusters to die early due to ignoring the state of neighbors in the cluster head decision. In this paper, a new cluster-based optimization algorithm is set up which optimizes clustering process, to effectively avoid the low-energy and long-distance...
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