Blind channel estimation for single-carrier block transmission by exploiting zero-padding
A subspace-based channel estimation method for Single-Carrier Block Transmission (SCBT) systems is presented, which estimates frequency-selective channel blindly in frequency domain, based on zero-padding technology in SCBT system. Sufficient conditions for identifiability are also given. The performance of this method is better than that of conventional oversampling methods, and it is robust to over-estimated channel order. Finally, computer simulations confirm its efficiency.
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