Performance analysis of multilateration in NLOS environments based on reconstructions channel characteristics

GONG Fengxun; MA Yanqiu; CHE Yemeng

doi:10.13443/j.cjors2014121501

Volume 30 Issue 6

Dec. 2015

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CHINESE JOURNAL OF RADIO SCIENCE > 2015 > 30(6): 1189-1196. > DOI: 10.13443/j.cjors2014121501

GONG Fengxun, MA Yanqiu, CHE Yemeng. Performance analysis of multilateration in NLOS environments based on reconstructions channel characteristics[J]. CHINESE JOURNAL OF RADIO SCIENCE, 2015, 30(6): 1189-1196. doi: 10.13443/j.cjors2014121501

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Performance analysis of multilateration in NLOS environments based on reconstructions channel characteristics

College of Electronic and Information Engineering, Civil Aviation University of China, Tianjin 300300, China

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Received Date: December 14, 2014
Available Online: December 30, 2020
Published Date: December 29, 2015

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Abstract

Abstract

Any priori knowledge on non-line-of-sight (NLOS) beacons can significantly improve the localization accuracy. A prior information known and low altitude surface channel characteristics reconstructions model is established by analyzing the characteristics of the non-line-of-sight environment in a domestic airport surface and referencing mobile communication and air channel research. Through deducing the analytical formula of Doppler spectrum that incident angle in Gaussian distribution we got the spread of frequency that produced by relative motion, and we describe the relevance of the established channel by contrasting the actual value and theoretical value of the channel correlation coefficient. Channel evaluation is also done by analyzing channel capacity in different antenna configuration to compare priori knowledge. The simulation results show that the established channel model can accurately describe the characteristics of the non-line-of-sight environment in the airport surface, and it can be used for the design of multilateration (MLAT) system and the research of time difference of arrival (TDOA) localization algorithm.
- NLOS,
- channel model,
- Characteristics Reconstruction,
- positioning performance,
- MLAT

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