1. J. Gardiner and S.A. Kotsopoulos, “Relationship between base station transmitter multicouling requirements and frequency planning strategies for cellular mobile radio”, Proc. IEE, vol.132, Part F, pp.384–387, August 1985.
2. W.S. Davies, R.J. Lang and E. Vinnal, “The challenge of advanced base station antennas for future cellular mobile radio systems”, Proc. IEEE International Workshop on Digital Mobile Radio, Melborne, March 1987.
3. R.A. Burberry, “The specification of methods of measurement of antennas in the mobile service, 30-1250”, IEE Colloquium on Antenna Systems for Mobile Communications, March 1983.
4. A.L. Davidson, “Mobile antenna gain at 900 MHz”, IEEE Trans. on Veh. Tech. VT-24, pp. 54–58, 1975.
5. K. Nishikawa and Y. Asano, “Vertical patterns of mobile antenna at UHF frequencies”, IEEE Veh.Tech Cof. Record, pp. 44–49, 1985.