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Designing Training Sequences for Carrier Frequency Estimation in Frequency-Selective Channels
2006
IEEE Transactions on Vehicular Technology
A procedure for selecting a training sequence (TS) is developed for frequency estimation in frequency-selective channels. An expression for the unconditional Cramér-Rao bound (UCRB) is obtained by averaging the CRB for frequency estimation over the probability density function of Gaussian random channels. In addition, a necessary and sufficient condition for minimizing the UCRB is derived. Based on these results, a procedure for selecting a TS is developed. Through a computer search, binary TSs
doi:10.1109/tvt.2005.861173
fatcat:jmazwwtfqvay5msihcxhoponxm