Hybrid Beamformer for TPMS Interference Suppression

TL;DRAbstract

The Tire Pressure Monitoring System (TPMS) is a type of the wireless communication device for vehicles, defined as a safety assist system for enabling drivers to efficiently check and manage tires. In the TPMS communications, external electric and electronic devices may interfere with the exact data transmission. In this paper, we propose a hybrid TPMS beamformer based on a switching beamformer and minimum-variance distortionless- response (MVDR) beamformer for selecting an efficient algorithm depending on circumstances in order to eliminate the interference and to transfer the accurate data to drivers. We also suggest an effective signal decision algorithm based on the signal- to-interference and noise ratio (SINR) in order to ensure the transferred data reliability. The performance of the suggested hybrid TPMS beamformer and the effective signal decision algorithm is identified through a computer simulation example.

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