LTE Advanced - Physical Layer Improvements
Vincenzo Malta
Broschiertes Buch

LTE Advanced - Physical Layer Improvements

Estimation of the Number of Multipath Components in a Delay-Dispersive Environment for LTE OFDM Downlink

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Orthogonal Frequency Division Modulation (OFDM) is the modulation employed by the LTE downlink physical layer. Recent studies on pilot-aided channel estimation, show that assuming a parametric channel model can effectively improve the estimate accuracy. The algorithms based on this model perform the frequency response estimation of a multipath environment through the knowledge of the tap-delay parameters. This work focuses on the estimation of the number of delays, required by the tap-delay estimators. For this purpose the state-of-the-art detection scheme is investigated over a static and a d...