一种利用无线信号的被动式多目标定位系统

doi:10.3969/j.issn.1001-2400.2018.01.017

Abstract

Abstract:

Passive localization plays a critical role in the Internet industry. However, current methods only analyze and calculate the signal distortion of the target which generates in the Line of Sight without considering the Non Line of Sight and multipath effects. To address the problem, we present the multi-targets location system via the RFID base on the fingerprint matching. First, this paper uses the passive tag edge detection to build the function relation between the target distance and the target number, and analyzes the reader collision phenomenon to address multi-targets counting, further ensuring the effectiveness of location data and the accuracy of target statistics; Second, this paper improves localization accuracy by exploring the arteritis of the target relative to the tag position and using the tag position as the constraints. We conduct extensive experiments in 2 scenarios for 3 areas. Compared with other approaches, the system we proposed improves the target counting and location accuracy, scalability and robustness under various scenarios.

Key words: localization, fingerprint, target counting, radio frequency identification devices

XING Tianzhang;XIE Binbin;YANG Kang;TANG Zhanyong;FANG Dingyi. Passive localization for multi-targets via wireless signal processing[J].Journal of Xidian University, 2018, 45(1): 93-98.

References

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Passive localization for multi-targets via wireless signal processing

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