脉冲无线电60 GHz系统,用于精确定位应用

Tingting Lu, Hao Zhang, Xiaolin Liang, Xue-rong Cui, T. Gulliver
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引用次数: 0

摘要

提出了一种脉冲无线电(IR) 60ghz定位系统,以提供精确的定位。考虑了定位系统中两种典型的红外信号,即极性编码和脉冲位置调制(PPM)。研究了在居住环境下的测距定位精度和可靠距离。视距(LOS)和非视距(NLOS)通道都被检查。仿真结果表明,在高信噪比条件下,使用极性编码和PPM编码的60 GHz红外系统的测距误差没有显著差异。结果表明,在信噪比大于5 dB的情况下,在LOS环境下可以实现毫米级精度,在NLOS环境下可以实现厘米级精度。对应的可靠测距距离在21 ~ 31 m之间,有效定位距离在100 ~ 400 m2之间。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
An impulse radio 60 GHz system for accurate positioning applications
An impulse radio (IR) 60 GHz positioning system is proposed to provide accurate positioning. Two typical IR signals for positioning systems, namely polarity codes and pulse position modulation (PPM), are considered. The ranging and positioning accuracy and reliable distance in residential environments are investigated. Both line-of-sight (LOS) and non-line-of-sight (NLOS) channels are examined. Simulation results are presented which show that there is no significant difference in the ranging error between IR 60 GHz systems using polarity codes and PPM, particularly at high SNRs. Results are presented which show that millimeter level accuracy in a LOS environment and centimeter level accuracy in a NLOS environment can be achieved for an SNR greater than 5 dB. The corresponding reliable ranging distance is between 21 m and 31 m, and the effective positioning range is between 100 m2 and 400 m2.
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