1. Prasad R., Ruggieri M. (2003) Technology trends in wireless communications. Artech House, Boston, London
2. Huish, W., Johnson, I. T., Li, T. A., & Nicholls, M. J. (1985). MM-wavelength microcellular mobile systems: A solution to spectrum congestion for high user densities. In 3rd IERE conference on land mobile radio, pp. 47–53.
3. Steele, R. (1983). Digital microcellular radio. In Proceedings of the conference on cellular mobile radio, SERC.
4. Thomas H. J., Siqueira G. L., Cole R. S. (1987) MM-waves show merit for mobile cellular radio. Microwaves and RF Journal 26(2): 67–70
5. Giannetti F. (1997) Capacity evaluation of a cellular CDMA system operating in the 63–64-GHz band. IEEE Transactions on Vehicular Technology 46(1): 55–64