Zero-Forcing Based Hybrid Beamforming for Multi-User Millimeter Wave Systems

Jeehwan Noh; Taeyoung Kim; Ji Yun Seol; Chungyong Lee

doi:10.1049/iet-com.2016.0769

Zero-Forcing Based Hybrid Beamforming for Multi-User Millimeter Wave Systems

Jeehwan Noh, Taeyoung Kim, Ji Yun Seol, Chungyong Lee

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

Owing to the high cost of radio frequency (RF) chains and power consumption of broadband signals, it is suitable to include both analogue and digital processing for millimetre wave (mmWave) beamforming. In this study, hybrid beamforming (HBF) schemes are considered for multi-user downlink mmWave systems. RF beamforming schemes are proposed for HBF transmission with perfect channel state information at transmitter (CSIT) and limited feedback information in the multi-user mmWave channel. Simulation results show that proposed HBF schemes enhance sum rate performance than conventional HBF schemes in both cases of perfect CSIT and limited feedback.

Original language	English
Pages (from-to)	2670-2677
Number of pages	8
Journal	IET Communications
Volume	10
Issue number	18
DOIs	https://doi.org/10.1049/iet-com.2016.0769
Publication status	Published - 2016 Dec 15

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering

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abstract = "Owing to the high cost of radio frequency (RF) chains and power consumption of broadband signals, it is suitable to include both analogue and digital processing for millimetre wave (mmWave) beamforming. In this study, hybrid beamforming (HBF) schemes are considered for multi-user downlink mmWave systems. RF beamforming schemes are proposed for HBF transmission with perfect channel state information at transmitter (CSIT) and limited feedback information in the multi-user mmWave channel. Simulation results show that proposed HBF schemes enhance sum rate performance than conventional HBF schemes in both cases of perfect CSIT and limited feedback.",

author = "Jeehwan Noh and Taeyoung Kim and Seol, {Ji Yun} and Chungyong Lee",

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AU - Noh, Jeehwan

AU - Kim, Taeyoung

AU - Seol, Ji Yun

AU - Lee, Chungyong

PY - 2016/12/15

Y1 - 2016/12/15

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AB - Owing to the high cost of radio frequency (RF) chains and power consumption of broadband signals, it is suitable to include both analogue and digital processing for millimetre wave (mmWave) beamforming. In this study, hybrid beamforming (HBF) schemes are considered for multi-user downlink mmWave systems. RF beamforming schemes are proposed for HBF transmission with perfect channel state information at transmitter (CSIT) and limited feedback information in the multi-user mmWave channel. Simulation results show that proposed HBF schemes enhance sum rate performance than conventional HBF schemes in both cases of perfect CSIT and limited feedback.

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