LS'84, Nice, France, Fichaut, J., et. al. (1985) New services for the IRT 1500 subscriber (1) pp. 47-51. connection system, Communtation and Transmission, 2, pp. Bellcore (1989) Generic requirements for Basic Exchange Radio 25-38. Systems Technical Advisory TA-TSY-000911 Issue 2, July 1989. Forestier, A. (1985) UDS 10-64 - An urban data transmission Further details from Bellcore Document Registrar, 445 South system on TDMA microwave radio, IEE Conference Publica- Street, P.O. Box 1910, Morristown, New Jersey, 07960-1910, tion No. 246, pp. 97-100. U.S.A. Garnier, C.R. and Chabert, J.L. (1981) The IRT 1500, a digital Berceli, T. Frigyes, O.I. and Varady-Szabo, M. (1984) Some devel- system serving rural zone subscribers by TDMA radio, Interna- opment results in rural radio systems, IEEE International Con- tional Switching Symposium-IS Montreal, Canada. (4) pp. ference on Communications, ICC'84, Amsterdam, Netherlands, 41C6/1-5. (2) pp. 965-9. Hampton, W.R. (1989) Applications and economics of the new Berndt, A. (1986) RURTEL - A point-to-multipoint digital radio exchange radios for basic exchange telecommunications radio relay system for local subscriber links in rural areas, European service (BETR), IEEE Global Telecommunications Conference, Conference on Radio Relay, ECRR, Munich, Germany, pp. Globecom '89, Dallas, U.S.A. pp. 1045-8. 268-275. Hart, P. (1988) A point-to-multipoint digital radio system for rural Blake, R.G. (1989) The role of radio for fixed local access, Br subscriber areas, IEE International Conference on Rural Tele- Telecom Technol J., 7 (2) pp. 123-135. communications, London, U.K., Conference publication Bonnerot, G. Floury, G. and Tanguy, R. (1987) IRT 2000 A versatile No.286, pp. 80-83. multipurpose radio system for subscribers, IEEE/IECE Global Hewitt, M.T. Scott, R.P. and Ballance, J.W. (1984) A cost effective Telecommunications Conference, Globcom'87 Tokyo, Japan, 19GHz digital multipoint radio system for local distribution pp. 169-173. applications, IEEE International Conference on Commun