Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density

Manish Nair; Qasim Z Ahmed; Huiling  Zhu

doi:10.1109/GLOCOM.2016.7841879

Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density

Manish Nair, Qasim Z Ahmed, Huiling Zhu

Department of Electrical & Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

16 Citations (Scopus)

156 Downloads (Pure)

Abstract

Millimeter-wave (mm-Wave) systems with hybrid digital-to-analog beamforming (D-A BF) have the potential to fulfill 5G traffic demands. The capacity of mmWave systems is severely limited as each radio frequency (RF) transceiver chain in current base station (BS) architectures support only a particular user. In order to overcome this problem when high density of users are present, a new algorithm is proposed in this paper. This algorithm operates on the principle of selection combining (SC). This algorithm is compared with the state of the art hybrid D-A BF. The simulation results show that our proposed hybrid D-A BF using SC supports higher density of users per RF chain. Furthermore, our proposed algorithm achieves higher capacity than what is achieved by the current hybrid D-A BF systems.

Original language	English
Title of host publication	2016 IEEE Global Communications Conference (GLOBECOM)
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
ISBN (Electronic)	978-1-5090-1328-9
ISBN (Print)	978-1-5090-1329-6
DOIs	https://doi.org/10.1109/GLOCOM.2016.7841879
Publication status	Published - 6 Feb 2017

Keywords

Radio frequency
Antennas
Three-dimensional displays
Array signal processing
Interference
Signal to noise ratio
Signal processing algorithms

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10.1109/GLOCOM.2016.7841879

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@inproceedings{dc0c4e832e98468f8d0fa40626c76424,

title = "Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density",

abstract = "Millimeter-wave (mm-Wave) systems with hybrid digital-to-analog beamforming (D-A BF) have the potential to fulfill 5G traffic demands. The capacity of mmWave systems is severely limited as each radio frequency (RF) transceiver chain in current base station (BS) architectures support only a particular user. In order to overcome this problem when high density of users are present, a new algorithm is proposed in this paper. This algorithm operates on the principle of selection combining (SC). This algorithm is compared with the state of the art hybrid D-A BF. The simulation results show that our proposed hybrid D-A BF using SC supports higher density of users per RF chain. Furthermore, our proposed algorithm achieves higher capacity than what is achieved by the current hybrid D-A BF systems.",

keywords = "Radio frequency, Antennas, Three-dimensional displays, Array signal processing, Interference, Signal to noise ratio, Signal processing algorithms",

author = "Manish Nair and Ahmed, {Qasim Z} and Huiling Zhu",

year = "2017",

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doi = "10.1109/GLOCOM.2016.7841879",

language = "English",

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AU - Nair, Manish

AU - Ahmed, Qasim Z

AU - Zhu, Huiling

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Y1 - 2017/2/6

N2 - Millimeter-wave (mm-Wave) systems with hybrid digital-to-analog beamforming (D-A BF) have the potential to fulfill 5G traffic demands. The capacity of mmWave systems is severely limited as each radio frequency (RF) transceiver chain in current base station (BS) architectures support only a particular user. In order to overcome this problem when high density of users are present, a new algorithm is proposed in this paper. This algorithm operates on the principle of selection combining (SC). This algorithm is compared with the state of the art hybrid D-A BF. The simulation results show that our proposed hybrid D-A BF using SC supports higher density of users per RF chain. Furthermore, our proposed algorithm achieves higher capacity than what is achieved by the current hybrid D-A BF systems.

AB - Millimeter-wave (mm-Wave) systems with hybrid digital-to-analog beamforming (D-A BF) have the potential to fulfill 5G traffic demands. The capacity of mmWave systems is severely limited as each radio frequency (RF) transceiver chain in current base station (BS) architectures support only a particular user. In order to overcome this problem when high density of users are present, a new algorithm is proposed in this paper. This algorithm operates on the principle of selection combining (SC). This algorithm is compared with the state of the art hybrid D-A BF. The simulation results show that our proposed hybrid D-A BF using SC supports higher density of users per RF chain. Furthermore, our proposed algorithm achieves higher capacity than what is achieved by the current hybrid D-A BF systems.

KW - Radio frequency

KW - Antennas

KW - Three-dimensional displays

KW - Array signal processing

KW - Interference

KW - Signal to noise ratio

KW - Signal processing algorithms

U2 - 10.1109/GLOCOM.2016.7841879

DO - 10.1109/GLOCOM.2016.7841879

M3 - Conference Contribution (Conference Proceeding)

SN - 978-1-5090-1329-6

BT - 2016 IEEE Global Communications Conference (GLOBECOM)

PB - Institute of Electrical and Electronics Engineers (IEEE)

ER -

Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density

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