Multiple-Input Multiple-Output Gaussian Broadcast Channels with Confidential Messages

Ruoheng Liu Tie Liu H. Vincent Poor Shlomo Shamai Multiple-Input Multiple-Output Gaussian Broadcast Channels with Confidential Messages http://arxiv.org/abs/0903.3786 2009 CoRR abs/0903.3786 db/journals/corr/corr0903.html#abs-0903-3786 informal publication