Hybrid precoding for multi-user mmWave systems based on MMSE criterion
作者： Jiaqi Cong , Xianchi Li , Yu Zhu
DOI: 10.23919/APCC.2017.8303999
关键词:
摘要: Millimeter wave (mmWave) communication has been considered as a key technology for future 5G or beyond wireless systems due to its huge spectrum bandwidth and great potential when combined with the large scale antenna technology. Considering new challenge of high hardware cost power consumption increase number antennas, hybrid digital analog signal processing receiving lot interest recently. This paper investigates precoding multi-user in downlink mmWave system, aiming at minimizing sum users' mean square errors (sum-MSE) constraints maximum transmit constant modulus phase shifters radio frequency block. A two-stage optimization scheme is proposed obtain near-optimal solution. Simulation results show that performs closely fully scheme.
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