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Communication Dans Un Congrès Année : 2023

Quantum wireless sensing: principle, design and implementation

Résumé

Recent years have witnessed a tremendous amount of interest in wireless sensing, i.e., instead of employing traditional sensors, wireless signal is utilized for sensing purposes. Contact-free wireless sensing has been successfully demonstrated using various RF signals such as WiFi, RFID, LoRa, and mmWave, enabling a large range of applications. However, limited by hardware thermal noise, the granularity of RF sensing is still relatively coarse. In this paper, instead of using the macro signal power/phase for sensing, we propose the first quantum wireless sensing system, which uses the micro energy level of atoms for sensing, improving the sensing granularity by an order of magnitude. The proposed quantum wireless sensing system is capable of utilizing a wide spectrum of frequencies (e.g., 2.4 GHz, 5 GHz and 28 GHz) for sensing. We demonstrate the superior performance of quantum wireless sensing with two widely-used signals, i.e., WiFi and 28 GHz millimeter wave. We show that quantum wireless sensing can push the sensing granularity of WiFi from millimeter level to sub-millimeter level and push the sensing granularity of millimeter wave to micrometer level. CCS CONCEPTS • Human-centered computing → Ubiquitous and mobile computing.
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Dates et versions

hal-04308202 , version 1 (27-11-2023)

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Fusang Zhang, Beihong Jin, Zitong Lan, Zhaoxin Chang, Daqing Zhang, et al.. Quantum wireless sensing: principle, design and implementation. The 29th Annual International Conference on Mobile Computing and Networking (MobiCom '23), Oct 2023, Madrid, Spain. pp.1-15, ⟨10.1145/3570361.3613258⟩. ⟨hal-04308202⟩
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