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.
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Friedlander et al. (2004) studied this question.
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