Mario Goldenbaum, Rafael F. Schaefer, H. Vincent Poor. The multiple-access channel with an external eavesdropper: Trusted vs. untrusted users. In Michael B. Matthews, editor, 49th Asilomar Conference on Signals, Systems and Computers, ACSSC 2015, Pacific Grove, CA, USA, November 8-11, 2015. pages 564-568, IEEE, 2015. [doi]
Abstract is missing.