Abstract
Wireless sensor networks have the characteristics of taking the data as the center, focusing on the functions and having no backbone structure. In this paper, a data-forwarding algorithm based on semantic-based routing is proposed, which is aiming at improving the routing efficiency and increasing the lifetime of the networks. First, we defined the semantics of networks, and constructed the expression architecture for semantics of wireless sensor networks. Then we used these semantics to compose data packets. Finally, we matched the semantics from the packets of networks, which determined the direction of packets forwarding. Experimental results show that the algorithm performed better than DD and LEACH. It can reduce energy consumption, redundant data and prolong the networks' lifetime.
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