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For original paper see ibid., vol.53, no.2, p.363-374, Feb. 2006. A semiblind channel estimation scheme of the multiple-input-multiple-output space-time coded orthogonal frequency-division multiplexing system was proposed in the aforementioned paper for either real or complex with symmetric signals. We point out that this scheme cannot work correctly for complex signal scenario.
Circuits and Systems I: Regular Papers, IEEE Transactions on (Volume:55 , Issue: 11 )
Date of Publication: Dec. 2008