On the Performance Limits of Pilot-Based Estimation of Bandlimited Frequency-Selective Communication Channels

Details On the Performance Limits of Pilot-Based Estimation of Bandlimited Frequency-Selective Communication Channels On the Performance Limits of Pilot-Based Estimation of Bandlimited Frequency-Selective Communication Channels

2012-03-13

arxiv.org/abs/1203.2768v1

Montorsi, F.; Vitetta, G.; "On the Performance Limits of Pilot-Based Estimation of Bandlimited Frequency-Selective Communicati

Computer Science

Information Theory

Scientific paper

10.1109/TCOMM.2011.070511.100269

In this paper the problem of assessing bounds on the accuracy of pilot-based estimation of a bandlimited frequency selective communication channel is tackled. Mean square error is taken as a figure of merit in channel estimation and a tapped-delay line model is adopted to represent a continuous time channel via a finite number of unknown parameters. This allows to derive some properties of optimal waveforms for channel sounding and closed form Cramer-Rao bounds.

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