... Jonathan P. Castro Copyright © 2001 John Wiley & Sons Ltd Print ISBN 0-4 7 1-8 137 5-3 Online ISBN 0-4 7 0-8 417 2-9 EVOLVING MOBILE NETWORKS While the history of mobile communications ... rate, de-lay, BER, etc.) Parallel bearer services (service mix), real-/non-real-time communication modes, etc. Circuit and packet oriented bearers Supports scheduling (and pre-emption) ... 85(7), 1997, 1031–1060. [20] Godara, L.C. “Application of Antenna Arrays to Mobile Communications, Part II: Beam-forming And Direction-of-Arrival Considerations”, Proc. IEEE, 85(8), 1997, 1195–1245....