Abstract
In this paper, we present a channel estimation using radio frequency (RF) signal processor for orthogonal frequency division multiplexing (OFDM) system. We have evaluated the channel impulse response on OFDM symbols and easily estimated the multiple-input-multiple-output-orthogonal frequency division multiplexing (MIMO-OFDM) channel using an RF baseband signal processor and minimum mean square error (MMSE) detector. This paper inquire about the single input single output orthogonal frequency division multiplexing (SISO-OFDM) and extend to a MIMO-OFDM system to improve the bit-error-rate (BER) performance without enhancing the number of RF front-end elements in the receiver.
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