JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 32 Issue 1
January 2017
Article Contents
ZOU Dong-yao, LIU Bi-wei and LI Chen. The honeycomb-shaped weighted centroid positioning algorithm based on RSSI[J]. Journal of Light Industry, 2017, 32(1): 89-96. doi: 10.3969/j.issn.2096-1553.2017.1.013
Citation: ZOU Dong-yao, LIU Bi-wei and LI Chen. The honeycomb-shaped weighted centroid positioning algorithm based on RSSI[J]. Journal of Light Industry, 2017, 32(1): 89-96. doi: 10.3969/j.issn.2096-1553.2017.1.013 shu

The honeycomb-shaped weighted centroid positioning algorithm based on RSSI

  • Received Date: 2016-05-24
  • Aiming at the problem that the positioning accuracy based on received signal strength (RSSI) algorithm was easily affected by environmental disturbance,an improved weighted centroid positioning algorithm was proposed.First,an optimal length was adopted to improve localization accuracy by analyzing the relationship between the communication distance and ranging error.Then,the localization area was divided into several honeycomb sub-regions with the optimal length according to the situation of the overall environment.And these honeycomb sub-regions developed their environmental parameters by the least squares fitting method.Last,RSSI values were filtrated by Gaussian distribution model and weighted arithmetic to ensure the reliability.The simulation results showed the improved algorithm had better efficiency and positioning accuracy,compared with the traditional weighted triangular centroid positioning algorithm.
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