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In this paper, the authors address the problem of true Cramer-Rao lower bound (CRLB) derivation for a non-data-aided (NDA) vector parameter estimation over non-constant gain flat Rayleigh fading channel (FRFC). General CRLB expressions for carrier frequency offset, carrier phase, symbol timing and signal to noise ratio (SNR) estimation are analytically developed going through the computation of the...
In this paper, the authors address the problem of true Cramer-Rao lower bound (CRLB) derivation for a non-data-aided (NDA) vector parameter estimation over non-constant gain flat Rayleigh fading channel (FRFC). General CRLB expressions for carrier frequency offset, carrier phase, symbol timing and signal to noise ratio (SNR) estimation are analytically developed going through the computation of the...
In this contribution, reliable analytical method to derive true Cramer-Rao lower bound (CRLB) for non-data aided (NDA) joint carrier phase, carrier frequency offset and time delay estimation is introduced. We consider a transmission over a flat Rayleigh fading channel (FRFC) with non-constant fading gain during the observation window. Analytical expressions of Fisher information matrix (FIM) entries...
In this paper, we derive for the first time the analytical expressions of the Cramer-Rao lower bound (CRLB) for non-data-aided (NDA) carrier frequency estimation from linearly modulated signals over flat Rayleigh fading channel (FRFC), where the fading gain is not constant during the observation window. Timing delay and phase offset are assumed as perfectly known. The second derivative of the neperian...
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