Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 88, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5003821
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Funding
- Public Safety Communications Research, Communications Technology Laboratory, NIST, Boulder, CO. U.S. Government
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Signal attenuation limits the operating range in wireless communications and location. To solve the reduced range problem, we can use low-frequency signals in combination with magnetic sensing. We propose the use of an optically pumped magnetometer as a sensor and realize a proof-of-principle detection of binary phase shift keying (BPSK) modulated signals. We demonstrate a ranging enhancement by exploiting both the magnetometer's intrinsic sensitivity of below 1 pT/Hz(1/2) and its 1 kHz operating bandwidth through the use of BPSK signals. Published by AIP Publishing.
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