Conference paper Open Access

Performance Simulation of a 5G Hybrid Beamforming Millimeter-Wave System

Kühne, Thomas; Song, Xiaoshen; Caire, Giuseppe; Rasilainen, Kimmo; Le, Thi Huyen; Rossi, Marco; Ndip, Ivan; Fager, Christian

Millimeter-wave systems are the next step to increase the data rate of 5G mobile communication networks. Hybrid analog-digital beamforming is one of the core technologies to enable millimeter-wave communication. Both the theoretical basics and the hardware design have been investigated in recent years. Current research projects like the European SERENA project strive to develop platforms to demonstrate the performance gain of complete systems. We present a simulation based analysis of a planned proof-of-concept system to evaluate the influence of design decisions and hardware impairments. We use a geometrybased stochastic channel simulator and simulate both certain hardware aspects and signal processing parts. We focus on the signal processing parts directly related to the hybrid architecture used for multi user MIMO precoding like the initial link acquisition and the data precoding. We use our own state-ofthe-art algorithms for these parts.

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