Multi-user hybrid analogue/digital beamforming for relatively large-scale antenna systems - Geng, Jian; Xiang, Wei; Wei, Zaixue; Li, Nanxi; Yang, Dacheng (IET communications, 2014)
Keywords: Analogue; analogue front‐end; antenna arrays; Antennas; Architecture (computers); array signal processing; Beamforming; Channels; Digital; frequency 60 GHz; Gaussian channel models; Gaussian channels; large‐scale antenna array systems; Mathematical models; mathematical programming; multiuser hybrid analogue‐digital beamforming; multi‐access systems; optimisation problems; Optimization; semidefinite positive relaxation; signal‐to‐interference‐plus‐noise ratio; SINR; semidefinite positive relaxation; mathematical programming; multiuser hybrid analogue-digital beamforming; large-scale antenna array systems; antenna arrays; analogue front-end; Gaussian channel models; optimisation problems; multi-access systems; signal-to-interference-plus-noise ratio; SINR; frequency 60 GHz; Gaussian channels; array signal processing