Research of TOA Ranging Method in Wireless Sensor Network

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Journal of Mine Automation > 2012 > 38(3): 31-34.

LIU Shi-sen, TANG Chao-ming, WU Wei. Research of TOA Ranging Method in Wireless Sensor Network[J]. Journal of Mine Automation, 2012, 38(3): 31-34.

Citation:

LIU Shi-sen, TANG Chao-ming, WU Wei. Research of TOA Ranging Method in Wireless Sensor Network[J]. Journal of Mine Automation, 2012, 38(3): 31-34.

Citation:

LIU Shi-sen, TANG Chao-ming, WU Wei. Research of TOA Ranging Method in Wireless Sensor Network[J]. Journal of Mine Automation, 2012, 38(3): 31-34.

Abstract

The paper introduced several ranging methods commonly used in wireless sensor network, did error analysis of TOA ranging method specifically, and proposed a scheme of using SDS-TWR method to reduce ranging error of TOA. The experimental result showed that SDS-TWR method can effectively reduce ranging error caused by frequency drift of crystal oscillator and improve ranging accuracy of TOA.
- wireless sensor network，ranging method, ranging accuracy, TOA，SDS-TWR，frequency drift

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