DV-Hop 算法作为一种不基于测距的定位算法，有它的优势，但是不可避免也有一些不足之处。本文针对这些不足，对DV-Hop 算法进行了改进。-Theexperimental results show that the location accuracy and coverage of theimproved algorithm are significantly improved compared with the DV-Hopalgorithm. Finally, we sum up this