Reference Signals and Channel Estimation. - Andrea Ancora; Stefania Sesia; Alex Gorokhov (LTE - The UMTS Long Term Evolution (2nd Ed.), 2011)

Multiple Antenna Techniques for LTE-Advanced. - Alex Gorokhov; Amir Farajidana; Kapil Bhattad; Xiliang Luo; Stefan Geirhofer (LTE - The UMTS Long Term Evolution (2nd Ed.), 2011)