H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 1/20 (2006.01) H04B 17/00 (2006.01) H04L 12/26 (2006.01)
Patent
CA 2407454
A signal to noise ratio estimator and method for a received signal which includes a communication component and a noise component is disclosed. One embodiment is an in-service, blind, decision-directed estimator for a CPFSK communication signal. A preferred embodiment determines the power of a communication signal component by combining the received signal with a signal that is a delayed complex conjugate of the received signal and then removing the real component of the combined signal.
L'invention concerne un estimateur de rapports signal sur bruit et un procédé de traitement d'un signal capté qui comprend une composante communication et une composante bruit. Un exemple de réalisation consiste en un dispositif d'estimation aveugle en service de rapports signal sur bruit orienté décisions pour un signal CPFSK. Un exemple de réalisation préféré détermine la puissance de la composante communication du signal en combinant le signal capté à un signal qui est un complexe conjugué retardé du signal capté, puis en retirant la composante réelle du signal combiné.
Beadle Edward R.
Dishman John F.
Harris Corporation
Oldham Edward H.
LandOfFree
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