@article{TUW-228064, author = {Blumenstein, Jiri and Marsalek, Roman and Fedra, Z and Prokes, Ales and Mecklenbr{\"a}uker, Christoph}, title = {Channel estimation method for OFDM in low SNR based on two-dimensional spreading}, journal = {Wireless Personal Communications}, year = {2014}, volume = {78}, number = {1}, pages = {715--728}, doi = {10.1007/s11277-014-1779-y}, keywords = {Channel estimation, LTE, 2D signal spreading, OFDM} }