Fundamentals of wireless communication
Fundamentals of wireless communication
Deconstructing multiantenna fading channels
IEEE Transactions on Signal Processing
Opportunistic beamforming using dumb antennas
IEEE Transactions on Information Theory
On the optimality of multiantenna broadcast scheduling using zero-forcing beamforming
IEEE Journal on Selected Areas in Communications
A Novel Approach to MIMO Transmission Using a Single RF Front End
IEEE Journal on Selected Areas in Communications
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Although the utilization of multiple antennas enhances significantly the performance of multiuser systems, it is prohibitive for mobile devices due to size and power restrictions. In order to alleviate this problem we propose an alternative mobile architecture, built on compact antenna structures with fast beamforming capabilities. It is shown that the proposed architecture combined with a simple training procedure, enhances the average throughput of a multiuser system. The performance is compared with that of user devices with one or three antenna elements employing maximal ratio combining.