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

Manish Nair, Qasim Ahmed, Huiling Zhu

Research output: Chapter in Book/Report/Conference proceedingConference contribution

7 Citations (Scopus)

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 languageEnglish
Title of host publicationIEEE Global Communications Conference (GLOBECOM)
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages1-6
Number of pages6
ISBN (Electronic)978-1-5090-1328-9
ISBN (Print)978-1-5090-1329-6
DOIs
Publication statusPublished - 2016
Externally publishedYes

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Beamforming
Millimeter waves
Transceivers
Base stations

Cite this

Nair, M., Ahmed, Q., & Zhu, H. (2016). Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density. In IEEE Global Communications Conference (GLOBECOM) (pp. 1-6). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/GLOCOM.2016.7841879
Nair, Manish ; Ahmed, Qasim ; Zhu, Huiling. / Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density. IEEE Global Communications Conference (GLOBECOM). Institute of Electrical and Electronics Engineers Inc., 2016. pp. 1-6
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Nair, M, Ahmed, Q & Zhu, H 2016, Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density. in IEEE Global Communications Conference (GLOBECOM). Institute of Electrical and Electronics Engineers Inc., pp. 1-6. https://doi.org/10.1109/GLOCOM.2016.7841879

Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density. / Nair, Manish; Ahmed, Qasim; Zhu, Huiling.

IEEE Global Communications Conference (GLOBECOM). Institute of Electrical and Electronics Engineers Inc., 2016. p. 1-6.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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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.

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Nair M, Ahmed Q, Zhu H. Hybrid Digital-to-Analog Beamforming for Millimeter-Wave Systems with High User Density. In IEEE Global Communications Conference (GLOBECOM). Institute of Electrical and Electronics Engineers Inc. 2016. p. 1-6 https://doi.org/10.1109/GLOCOM.2016.7841879