A semi-empirical representation of antenna diversity gain at cellular and PCS base stations

Predictions of uplink space-diversity gain in the cellular and personal communications systems (PCS) bands (near 850 MHz and 1.9 GHz, respectively), suffer from incomplete modeling of multipath angular spread /spl sigma/. Using previously published measurements to reduce the gap, we show that /spl sigma//spl sim/[distance]/sup -1/2/ and that diversity gains are about 2 dB higher for PCS than for cellular.