The next fifth generation (5G) of wireless communication networks comes with a set of new features to satisfy the demand of dataintensive\napplications: millimeter-wave frequencies, massive antenna arrays, beamforming, dense cells, and so forth. In this paper,\nwe investigate the use of beamforming techniques through various architectures and evaluate the performance of 5G wireless access\nnetworks, using a capacity-based network deployment tool. This tool is proposed and applied to a realistic area in Ghent, Belgium,\nto simulate realistic 5G networks that respond to the instantaneous bit rate required by the active users. The results show that,\nwith beamforming, 5G networks require almost 15% more base stations and 4 times less power to provide more capacity to the\nusers and the same coverage performances, in comparison with the 4G reference network.Moreover, they are 3 times more energy\nefficient than the 4G network and the hybrid beamforming architecture appears to be a suitable architecture for beamforming to\nbe considered when designing a 5G cellular network.
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