Study of Improved DV-Hop Localization Algorithm in Wireless Sensor Network
DOI:
https://doi.org/10.3991/ijoe.v9i6.3162Abstract
An improved method is put forward in this paper to settle the larger location error of the classic DV-Hop algorithm. The average hop size is corrected using the hop count based on both the local network connectivity and the global average hop size information of the network. The invalid result is defined and corrected based on the random number in a specified area at the same time. The simulation results show that the improved algorithm gets better localization accuracy than the classic algorithm and other existing improved algorithms. Moreover, it is simple and needs small amount of calculation. So it is a practical algorithm for nodes localization in wireless sensor network.
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