US 11,703,601 B2
Signal processing apparatus and methods
Pavlo Bobrek, Bradenton, FL (US); Timothy Hillner, Middletown, DE (US); and Glenn Link, Odenton, MD (US)
Assigned to CANNON ERGOS S.P.A.
Filed by FAIRWINDS TECHNOLOGIES, LLC, Annapolis, MD (US)
Filed on Jan. 17, 2022, as Appl. No. 17/577,308.
Claims priority of provisional application 63/162,051, filed on Mar. 17, 2021.
Prior Publication US 2022/0308239 A1, Sep. 29, 2022
Int. Cl. G01S 19/45 (2010.01); G01S 19/44 (2010.01); G01S 19/42 (2010.01)
CPC G01S 19/44 (2013.01) [G01S 19/423 (2013.01); G01S 19/45 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A signal processing apparatus configured to adaptively phase align and combine radio frequency subcarriers, comprising:
(a) at least two first phase aligners each configured to receive a pair of in-phase and quadrature pairs, said first phase aligners further configured to provide automatic gain control and coherent combing of in-phase and quadrature pairs;
(b) a digital cross-connect configured to receive the in-phase and quadrature pairs from said at least two first phase aligners, said digital cross-connect further configured to associate any two in-phase and quadrature pairs; and
(c) at least two second phase aligners configured to receive the in-phase and quadrature pairs of said digital cross-connect, said second phase aligners further configured to provide automatic gain control and coherent combining of the pairs to produce reduced bandwidth output pairs, wherein the reduced bandwidth output pairs provide data transfer with a low probability of undetected error.