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This paper deals with the problem of blind signal to noise ratio (SNR) estimation for MIMO-OFDM system. Existing MIMO-OFDM SNR estimators are based on the knowledge of pilot sequences which is not applicable in some environment. A novel blind SNR estimation algorithm for MIMO-OFDM system is proposed. In this algorithm, we first select appropriate Cyclic postfix length of the transmitter signal to...
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