Table 1 Two transmit antenna SFBC mapping

From: An iterative pilot-data-aided estimator for SFBC relay-assisted OFDM-based systems

Subcarrier	Antenna 1	Antenna 2
	$d_{(k)} / \sqrt{2}$	$- d_{(k + 1)}^{*} / \sqrt{2}$
$k + 1$	$d_{(k + 1)} / \sqrt{2}$	$d_{(k)}^{*} / \sqrt{2}$

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