Jiangyuan Li, Athina P. Petropulu. Optimality of beamforming and closed form secrecy capacity of MIMO wiretap channels with two transmit antennas. In The 16th International Symposium on Wireless Personal Multimedia Communications, WPMC 2013, Atlantic City, NJ, USA, June 24-27, 2013. pages 1-5, IEEE, 2013. [doi]
Abstract is missing.