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Beamforming versus transmit diversity in the downlink of a cellular communications system

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2 Author(s)
B. Friedlander ; Dept. of Electr. Eng., Univ. of California, Santa Cruz, CA, USA ; S. Scherzer

Transmit diversity and beamforming are two complementary techniques for using multiple antennas in the forward link of a cellular communication system. The first provides the benefit of diversity with no array gain, while the second provides array gain, but no diversity. Here, we present a comparative analysis of the two systems, using outage capacity and transmit power as performance measures. The effects of handoff, correlated fading, and power control are considered.

Published in:

IEEE Transactions on Vehicular Technology  (Volume:53 ,  Issue: 4 )