Optimization of directional pairing accuracy of Bluetooth communication between electronic devices

Wenyu Cheng; Yuan Yao; Jieyu Liu; Ze Li; Chao An

doi:10.1117/12.3031423

19 July 2024 Optimization of directional pairing accuracy of Bluetooth communication between electronic devices

Wenyu Cheng, Yuan Yao, Jieyu Liu, Ze Li, Chao An

Proceedings Volume 13181, Third International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2024); 131811G (2024) https://doi.org/10.1117/12.3031423
Event: Third International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2024), 2024, Beijing, China

Abstract

After Bluetooth is turned on in electronic devices, when there are multiple devices for Bluetooth communication at the same time, signal interference may affect the accuracy of directional pairing. This is because the presence of interference sources may cause signal fluctuation, attenuation or distortion, which makes it difficult to judge the signal in the process of directional pairing. Therefore, the optimization method of directional pairing accuracy of Bluetooth communication between electronic devices is proposed. Using the delay of Bluetooth communication, the multi-path interference signal is identified, and the direct signal gain and Bluetooth communication interference are generated according to the signal direction and LCMV (Linearly Constrained Minimum Variance) signal waveform technology. Then the interference suppression of Bluetooth communication is realized. Based on this, the directional pairing of Bluetooth communication signals of electronic devices is completed through encryption and decryption of Bluetooth communication signals of electronic devices. The experimental results show that after interference suppression and encryption and decryption steps, the Bluetooth pairing of multiple electronic devices can be achieved with high precision.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Wenyu Cheng, Yuan Yao, Jieyu Liu, Ze Li, and Chao An "Optimization of directional pairing accuracy of Bluetooth communication between electronic devices", Proc. SPIE 13181, Third International Conference on Electronic Information Engineering, Big Data, and Computer Technology (EIBDCT 2024), 131811G (19 July 2024); https://doi.org/10.1117/12.3031423

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KEYWORDS

Electronic components

Signal processing

Interference (communication)

Telecommunications

Antennas

Data communications

Optical spheres

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