Multiuser hybrid analogue/digital beamforming for massive multiple-input–multiple-output

The authors propose a generalised multi-layer architecture for the phase shifter network (PSN) in hybrid analogue/digital beamforming (BF), which provides flexible trade-offs between the performance and implementation complexity. By changing the layer number, the authors can adjust the complexity of...

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Vydáno v:	IET communications Ročník 10; číslo 12; s. 1464 - 1472
Hlavní autoři:	Wu, Keying, Wu, Lu, Zhang, Jianwen
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	The Institution of Engineering and Technology 11.08.2016
Témata:	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
ISSN:	1751-8628, 1751-8636
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