US 12,334,966 B2
Robust satellite beacon receiver
James Jehong Jong, North Potomac, MD (US); and Pablo Valle, San Diego, CA (US)
Assigned to Hughes Network Systems, LLC, Germantown, MD (US)
Filed by Hughes Network Systems, Germantown, MD (US)
Filed on Dec. 16, 2022, as Appl. No. 18/067,095.
Claims priority of provisional application 63/370,073, filed on Aug. 1, 2022.
Prior Publication US 2024/0039567 A1, Feb. 1, 2024
Int. Cl. H04B 1/10 (2006.01); H03F 1/32 (2006.01)
CPC H04B 1/1036 (2013.01) [H03F 1/3247 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A beacon receiver comprising:
a Digital Fourier Transform (DFT) module comprising bins to acquire and to track a beacon signal;
an acquisition processor to find acquisition frequency estimates of the beacon signal, to improve the acquisition frequency estimates with a generalized complex interpolator and to linearize the acquisition frequency estimates; and
a tracking filter to track the acquired beacon signal and to calculate a tracking frequency estimates; and
a synchronization manager to apply a frequency correction, to an oscillator, based on the acquisition frequency estimates or the tracking frequency estimates,
wherein the DFT module uses a first bin size for the bins to acquire, a second bin size for the bins to track, and the first bin size is greater than the second bin size.