H2020-ITN-SECRET Project
Published September 20, 2018 | Version v1
Conference paper Open

The Performance of SLNR Beamformers in Multi-User MIMO Systems

Creators

Description

Beamforming in multi-user MIMO (MU-MIMO) systems is a vital part of modern wireless communication systems. Researchers looking for best operational performance normally optimize the problem and then solve for best weight solutions. The weight optimization problem contains variables in numerator and dominator: this leads to so-called variable coupling, making the problem hard to solve. Formulating the optimization in terms of the signal to leakage and noise ratio (SLNR) helps in decoupling the problem variables. In this paper we study the performance of the SLNR with variable numbers of users and handset antennas. The results show that there is an optimum and the capacity curve is a concave over these two parameters. The performances
of two further variations of this method are also considered

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Funding

European Commission
SECRET – SEcure Network Coding for Reduced Energy nexT generation Mobile Small cells 722424