Codebook Based Hybrid Precoding for Millimeter Wave Multiuser Systems

Abstract

In millimeter wave (mmWave) systems, antenna architecture limitations make it difficult to apply conventional fully digital precoding techniques but call for low cost analog radio-frequency (RF) and digital baseband hybrid precoding methods. This paper investigates joint RF-baseband hybrid precoding for the downlink of multiuser multi-antenna mmWave systems with a limited number of RF chains. Two performance measures, maximizing the spectral efficiency and the energy efficiency of the system, are considered. We propose a codebook based RF precoding design and obtain the channel state information via a beam sweep procedure. Via the codebook based design, the original system is transformed into a virtual multiuser downlink system with the RF chain constraint. Consequently, we are able to simplify the complicated hybrid precoding optimization problems to joint codeword selection and precoder design (JWSPD) problems. Then, we propose efficient methods to address the JWSPD problems and jointly optimize the RF and baseband precoders under the two performance measures. Finally, extensive numerical results are provided to validate the effectiveness of the proposed hybrid precoders.

35 pages, 9 figures, to appear in Trans. on Signal Process, 2017

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• Beam Designs for Millimeter-Wave Backhaul with Dual-Polarized Uniform Planar Arrays
• Machine Learning-Based mmWave MIMO Beam Tracking in V2I Scenarios: Algorithms and Datasets
• Energy-Efficient Hybrid Precoding for Massive MIMO mmWave Systems With a Fully-Adaptive-Connected Structure
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• Codebook-Based Beam Tracking for Conformal ArrayEnabled UAV MmWave Networks
• Wideband Hybrid Precoding for Next-Generation Backhaul/Fronthaul Based on mmWave FD-MIMO
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• Hybrid Precoder Design for Cache-enabled Millimeter Wave Radio Access Networks
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• Beam Training and Allocation for Multiuser Millimeter Wave Massive MIMO Systems
• MIMO-Aided Nonlinear Hybrid Transceiver Design for Multiuser mmWave Systems Relying on Tomlinson-Harashima Precoding
• Practical Precoding via Asynchronous Stochastic Successive Convex Approximation
• Beamspace Channel Estimation for Millimeter Wave Massive MIMO System with Hybrid Precoding and Combining
• Beam Design for Millimeter-Wave Backhaul with Dual-Polarized Uniform Planar Arrays