@article{TUW-107843, author = {Artes, Harold and Matz, Gerald and Hlawatsch, Franz}, title = {Unbiased Scattering Function Estimators for Underspread Channels and Extension to Data-Driven Operation}, journal = {IEEE Transactions on Signal Processing}, year = {2004}, volume = {Vol. 52}, number = {5}, pages = {1387--1402}, url = {http://publik.tuwien.ac.at/files/pub-et_8593.pdf} }