Multiuser hybrid analogue/digital beamforming for massive multiple-input–multiple-output - Wu, Keying; Wu, Lu; Zhang, Jianwen (IET communications, 2016)
Keywords: 64‐antenna system; adaptive signal processing; Algorithms; amplitude resolution; Analogue; analogue‐digital BF matrices; antenna arrays; array signal processing; Beamforming; Channels; Complexity; Design analysis; Digital; discrete phase shifters; effective channel; fully‐connected PSN; full‐digital BF; generalised multilayer architecture; hybrid analogue‐digital BF; ideal phase shifters; implementation complexity; interference suppression; iterative methods; massive multiple‐input‐multiple‐output system; MIMO communication; multiuser hybrid analogue‐digital beamforming; multiuser interference cancellation; performance complexity; phase shifter network; Phase shifters; radiofrequency chain; second‐order channel statistics; simple iterative algorithm; statistical analysis; theoretical analysis; two‐stage BF algorithm; iterative methods; hybrid analogue-digital BF; radiofrequency chain; ideal phase shifters; multiuser interference cancellation; analogue-digital BF matrices; multiuser hybrid analogue-digital beamforming; adaptive signal processing; simple iterative algorithm; phase shifter network; antenna arrays; effective channel; 64-antenna system; fully-connected PSN; discrete phase shifters; massive multiple-input-multiple-output system; generalised multilayer architecture; amplitude resolution; MIMO communication; array signal processing; interference suppression; two-stage BF algorithm; second-order channel statistics; theoretical analysis; phase shifters; implementation complexity; full-digital BF; performance complexity; statistical analysis