Beam squint compensation for hybrid precoding in millimetre‐wave communication systems. Issue 14 (1st July 2018)

• Record Type: Journal Article
• Authors: Li, Guobing; Zhao, Huailong; Hui, Hui
• Is Part Of: Electronics letters. Volume 54:Issue 14(2018)
• Page Start: 905
• Page End: 907
• Publication Date: 2018-07-01
• Subjects: precoding -- compensation -- millimetre wave communication -- array signal processing -- matrix algebra; millimetre‐wave communication systems -- beam squint compensation method -- hybrid precoding problem -- beam‐squinting analogue precoder -- performance loss -- ideal identical analogue precoder -- compensation matrix; Electronics -- Periodicals; 621.381
• DOI: 10.1049/el.2018.1347
• Languages: English
• ISSNs: 0013-5194

Abstract

Abstract : In this letter, the authors report a beam squint compensation method for hybrid precoding in millimetre‐wave communication systems. With the objective to maximise the spectral efficiency, they formulate the hybrid precoding problem considering the beam‐squinting analogue precoder and reveal its performance loss compared with the ideal identical analogue precoder. They also design a simple but effective compensation matrix for hybrid precoding to reduce the impact of beam squint. Simulation results confirm the performance loss caused by beam squint and reveal the performance gain of the proposed method.