A distributed wireless backscatter system for IoT

Zhimin Wang; Xu Jia; Zhijie Ma; Yizhu Xiong

doi:10.1117/12.2674303

28 April 2023 A distributed wireless backscatter system for IoT

Zhimin Wang, Xu Jia, Zhijie Ma, Yizhu Xiong

Proceedings Volume 12626, International Conference on Signal Processing, Computer Networks, and Communications (SPCNC 2022); 126261H (2023) https://doi.org/10.1117/12.2674303
Event: International Conference on Signal Processing, Computer Networks, and Communications (SPCNC 2022), 2022, Zhuhai, China

Abstract

Wireless backscatter is a novel passive communication technology, which enables battery-free devices to harvest energy from environmental RF signals and communicate with other devices via backscattering environmental signals. Wireless backscatter is ideal for the IoT. However, the existing wireless backscatter has several drawbacks, including a high bit error rate, expensive deployment costs, and high signal-noise ratio requirements. We proposed a distributed wireless backscatter system to address the aforementioned issues. Our design introduces multiple input multiple output (MIMO) system into wireless backscatter. With MIMO, backscatter communication can work at the same frequency as Wi-Fi. Moreover, the proposed distributed protocol increases the opportunity for backscatter. Extensive simulations show that our design significantly increases system throughput.

Citation Download Citation

Zhimin Wang, Xu Jia, Zhijie Ma, and Yizhu Xiong "A distributed wireless backscatter system for IoT", Proc. SPIE 12626, International Conference on Signal Processing, Computer Networks, and Communications (SPCNC 2022), 126261H (28 April 2023); https://doi.org/10.1117/12.2674303

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