Study on Wireless Sensor Network Localization Technology Based on DV-Hop Algorithm

Abstract- DV-Hop algorithm is one of the important range-free localization algorithms. According to the localization principle of the DV-Hop algorithm and the defect of wireless sensor networks, this paper proposes three improvements including the estimation of average single hop distance, generalizing average single-hop distance and refining estimated results. This also simulated the performance of these improvements in different circumstances. The results show that the proposed improvements can greatly enhance the localization accuracy of the unknown nodes