Abstract: The distributed acoustic sensing (DAS) system based on phase-sensitive optical time-domain reflectometry ($\Phi $ -OTDR) uses optical fiber as a medium to detect external vibration ...
Abstract: This paper designs Bayesian iterative detection and decoding (IDD) schemes incorporating a blind channel estimator in the physical layer of long-range wide-area network (LoRaWAN). The ...
inmarsatc: library with all functions to receive Inmarsat-C signals https://github.com/cropinghigh/inmarsatc stdcdec: set of programs to receive inmarsat-c signals ...
Block diagram of demodulator section: As you can see, I'm using a Costas Loop with a PI (Proportional-Integrator controller) to control the local oscillator The screenshot at the top shows an example ...