1. Li, X., Chen, M., Ratazzi, E.P.: Space-time transmissions for wireless secret-key agreement with information-theoretic secrecy. In: Proc. IEEE SPAWC 2005, June 2005, pp. 811–815 (2005)
2. Koorapaty, H., Hassan, A.A., Chennakeshu, S.: Secure Information Transmission for Mobile Radio. IEEE Trans. Wireless Commun., 52–55 (July 2003)
3. Hero, A.E.: Secure Space-Time Communication. IEEE Trans. Info. Theory, 3235–3249 (December 2003)
4. Li, Z., Yates, R., Trappe, W.: Secrecy Capacity of Independent Parallel Channels. In: Allerton Conference on Communication, Control, and Computing (2006)
5. Li, Z., Xu, W., Miller, R., Trappe, W.: Securing wireless systems via lower layer enforcements. In: WiSe 2006: Proceedings of the 5th ACM workshop on Wireless security, pp. 33–42 (2006)