Downlink Channel Estimation in Cellular Systems with Antenna Arrays at Base Stations Using Channel Probing with Feedback, EURASIP Journal on Advances in Signal Processing, vol.2004, issue.9, pp.1330-1339, 2004. ,
DOI : 10.1155/S1110865704403023
Training-based MIMO channel estimation: a study of estimator tradeoffs and optimal training signals, IEEE Transactions on Signal Processing, vol.54, issue.3, pp.54-884, 2006. ,
DOI : 10.1109/TSP.2005.863008
OFDM channel estimation by singular value decomposition, IEEE Trans.Commun, pp.46-931, 1998. ,
Fundamentals of Statistical Signal Processing: Estimation Theory, 2003. ,