Extreme eigenvalues of real symmetric Toeplitz matrices
Mathematics of Computation
Symbol timing estimation in MIMO correlated flat-fading channels: Research Articles
Wireless Communications & Mobile Computing - Special Issue: Multiple-Input Multiple-Output (MIMO) Communications
Conditional maximum likelihood timing recovery: estimators andbounds
IEEE Transactions on Signal Processing
Symbol-timing estimation in space-time coding systems based on orthogonal training sequences
IEEE Transactions on Wireless Communications
A space-time coding modem for high-data-rate wireless communications
IEEE Journal on Selected Areas in Communications
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Training sequences for data-aided timing estimation in multi-input multi-output systems are designed. It is observed that for low complexity implementation, the sequences must necessarily satisfy the zero cross-correlation zone property. By restricting our search to a more tractable subset of this class of sequences, we are able to minimize the modified Cramer-Rao bound in closed form and obtain sequences whose mean square error performance is close to that of the optimal orthogonal sequences. Two constant modulus sequences with even lower implementation complexity are also proposed.