Cram?er- Rao Lower Bounds and BayesianCram?er- Rao Lower Bound Estimators for BlindChannel Estimation of SNR and Phase Noise

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering

article

Mr. Sivanagaraju.V¹  Siddaiah.P² 

[1] Dept of ECE, S.S.N College of Engineering and Technology;Dept of ECE, University College of Engineering and Technology, Acharya Nagarjuna University

关键词: SNR;    Phase Noise;    Cram´er- Rao Lower Bound;    Bayesian Cram´er- Rao Lower Bound;   

来源: Research & Reviews

【 摘 要 】

Channel Estimation is the process of characterizing the effect of the physical medium on the input sequence and Orthogonal Frequency division multiplexing (OFDM) Systems are especially suited for channel estimation. In this work we have designed a Cram´er- Rao Lower Bound estimation for blind channel estimator of SNR in OFDM systems. Phase Noise is a time varying process which changes the symbol from time to time and has a high deteriorating effect on higher order OFDM system. We have derived a Bayesian Cram´er- Rao Lower Bound Estimator for estimating phase noise.

【 授权许可】

Unknown