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Geometrical-based statistical macrocell channel model for mobile environments

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3 Author(s)
P. Petrus ; Mobile & Portable Radio Res. Group (MPRG), Virginia Tech., VA, USA ; J. H. Reed ; T. S. Rappaport

We develop a statistical geometric propagation model for a macrocell mobile environment that provides the statistics of angle-of-arrival (AOA) of the multipath components, which are required to test adaptive array algorithms for cellular applications. This channel model assumes that each multipath component of the propagating signal undergoes only one bounce traveling from the transmitter to the receiver and that scattering objects are located uniformly within a circle around the mobile. This geometrically based single bounce macrocell (GBSBM) channel model provides three important parameters that characterize a channel: the power of the multipath components, the time-of-arrival (TOA) of the components, and the AOA of the components. Using the GBSBM model, we analyze the effect of directional antennas at the base station on the fading envelopes. The level crossing rate of the fading envelope is reduced and the envelope correlation increases significantly if a directional antenna is employed at the base station

Published in:

IEEE Transactions on Communications  (Volume:50 ,  Issue: 3 )