NASA NTRS · 20000014441
Spread-Spectrum Carrier Estimation With Unknown Doppler Shift
Abstract
We present a method for the frequency estimation of a BPSK modulated, spread-spectrum carrier with unknown Doppler shift. The approach relies on a classic periodogram in conjunction with a spectral matched filter. Simulation results indicate accurate carrier estimation with processing gains near 40. A DSP-based prototype has been implemented for real-time carrier estimation for use in New Mexico State University's proposal for NASA's Demand Assignment Multiple Access service.
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DeLeon, Phillip L., Scaife, Bradley J.. 1998-01-01. Spread-Spectrum Carrier Estimation With Unknown Doppler Shift. https://ntrs.nasa.gov/citations/20000014441
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