发明名称 RADIO CHANNEL ANALYZER TO DETERMINE DOPPLER SHIFTS ACROSS MULTIPLE FREQUENCIES OF A WIDEBAND SIGNAL
摘要 <p>A receiver and receive processing method described herein improves the accuracy of channel estimates by correcting for the assumption that the Doppler shift (or rate-of-change-of-delay) stays constant for each frequency within a signal bandwidth of a received signal. To that end, a receiver according to the present invention comprises a channel processor having multiple processing units. A first processing unit processes reference values (e.g., pilot signals) received for each of a plurality of frequencies within a signal bandwidth at a plurality of different signal times (or the complex propagation channel coefficients estimated therefrom) to determine a set of complex wave amplitudes either for each of multiple frequencies in the signal bandwidth or for each of the different signal times. A second processing unit subsequently processes the complex wave amplitudes to determine complex scattering coefficients, where each complex scattering coefficient corresponds to a respective scattering object in the wireless communication channel.</p>
申请公布号 EP2520054(B1) 申请公布日期 2014.06.04
申请号 EP20100810937 申请日期 2010.12.15
申请人 TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) 发明人 DENT, PAUL, W.;KRASNY, LEONID
分类号 H04L25/02 主分类号 H04L25/02
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