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This paper addresses the BEM (Basis Expansion Model) channel estimation in receivers of multicarrier communication signals. The estimation performance can be improved by choosing optimal basis functions or an optimal number of predefined basis functions; these approaches require knowledge of channel statistics. Another approach to improve the performance is to set the number of basis functions large...
This paper addresses the channel estimation in receivers of multicarrier communication signals, particularly in multiuser scenarios of the LTE uplink. B-splines are proposed for estimation of the time-frequency channel response. Cubic B-splines are considered as the appropriate basis functions allowing a trade-off between the estimation accuracy and complexity. We investigate the iterative channel...
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