JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 29 Issue 2
March 2014
Article Contents
ZOU Dong-yao, ZHENG Dao-li and LI Chen. Error analysis and ranging algorithm of RSSI polynomial piecewise fitting[J]. Journal of Light Industry, 2014, 29(2): 62-66. doi: 10.3969/j.issn.2095-476X.2014.02.016
Citation: ZOU Dong-yao, ZHENG Dao-li and LI Chen. Error analysis and ranging algorithm of RSSI polynomial piecewise fitting[J]. Journal of Light Industry, 2014, 29(2): 62-66. doi: 10.3969/j.issn.2095-476X.2014.02.016 shu

Error analysis and ranging algorithm of RSSI polynomial piecewise fitting

  • Received Date: 2013-12-06
  • Aiming at the problem that the Shadowing model commonly used of received signal strength indicator(RSSI) ranging algorithm was limited due to the effect of environmental factors such as the terrain in practice,a RSSI ranging algorithm was proposed based on piecewise polynomial fitting.This method,using of least-squares fitting function,fitted the sampling of a finite number of RSSI data to a continuous piecewise cubic polynomial function,which could simulate more accurately RSSI attenuation under specific circumstances.Using this algorithm and simulation experiments to seek appropriate number of segments and split points, the results showed that the average error was decreased from 2.25 m to 0.877 8 m using two-piecewise fitting method.
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