基于sdr的低占空比发射机伪多普勒AoA估计

2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting Pub Date : 2020-07-05 DOI:10.1109/IEEECONF35879.2020.9330070

Anup Karki, B. Dunne, J. Ward, Paul W. Keenlance

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引用次数: 0

摘要

伪多普勒(PD)是一种有效的单通道系统到达角估计技术。在有项圈的动物跟踪应用中，VHF发射信标在非常低的占空比(例如2%)下启用。这种低占空比提出了几个独特的设计挑战，这些挑战在修改后的PD算法中得到了解决。然后使用LimeMini-SDR实现四元天线阵列的PD。由此产生的系统在占空比接近1%时提供准确的AoA估计。

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SDR-based Psuedo-Doppler AoA Estimation for Low Duty Cycle Transmitters

Pseudo-Doppler (PD) is a powerful technique for Angle of Arrival (AoA) estimation for single-channel systems. In the application of collared animal tracking considered within, the VHF transmitting beacon is enabled for a very low duty cycle such as 2 percent. This low duty cycle presents several unique design challenges that are addressed in the revised PD algorithm. PD is then implemented using the LimeMini-SDR for a four-element antenna array. The resulting system delivers accurate AoA estimates for duty cycles approaching 1 percent.

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2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting

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