Researchers from Pusan National University have designed a low-power backscatter communication system that they claim achieves a high spectral efficiency and enhanced energy efficiency when compared ...
The researchers used circuit modeling, advanced modulation techniques, and polarization diversity to design a MIMO transceiver system for BackCom applications, achieving a spectral efficiency of 2.0 ...
How a battery-free, untethered underwater camera gets its operating power via wave-energy harvesting. How the camera captures images with minimal power use. How the camera communicates captured image ...
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