articleAug 14, 2016Closed access

1Limited Feedback Hybrid Precoding for Multi-User Millimeter Wave Systems

AAAhmed AlkhateebGLGeert LeusRWRobert W. Heath

The University of Texas at Austin · Delft University of Technology

Abstract

Antenna arrays will be an important ingredient in millimeter wave (mmWave) cellular systems. A natural application of antenna arrays is simultaneous transmission to multiple users. Unfortunately, the hardware constraints in mmWave systems make it difficult to apply conventional lower frequency multiuser MIMO precoding techniques at mmWave. This paper develops low complexity hybrid ana-log/digital precoding for downlink multiuser mmWave systems. Hybrid precoding involves a combination of analog and digital processing that is inspired by the power consumption of complete radio frequency and mixed signal hardware. The proposed algorithm configures hybrid precoders at the transmitter and analog combiners at…

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1,146
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Topics & keywords

Topics
Keywords
  • Precoding
  • Computer science
  • Extremely high frequency
  • Telecommunications
  • MIMO
  • Electronic engineering
  • Beamforming
  • Engineering
UN Sustainable Development Goals
  • Affordable and clean energy
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