Beam Pattern Optimization Method for Subarray-Based Hybrid Beamforming Systems
Joint Authors
Eisenbeis, Joerg
Pfaff, Jonas
Karg, Christian
Kowalewski, Jerzy
Li, Yueheng
Pauli, Mario
Zwick, Thomas
Source
Wireless Communications and Mobile Computing
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-12-28
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Information Technology and Computer Science
Abstract EN
Massive multiple-input multiple-output (MIMO) systems operating at millimeter-wave (mmWave) frequencies promise to satisfy the demand for higher data rates in mobile communication networks.
A practical challenge that arises is the calibration in amplitude and phase of these massive MIMO systems, as the antenna elements are too densely packed to provide a separate calibration branch for measuring them independently.
Over-the-air (OTA) calibration methods are viable solutions to this problem.
In contrast to previous works, the here presented OTA calibration method is investigated and optimized for subarray-based hybrid beamforming (SBHB) systems.
SBHB systems represent an efficient architectural solution to realize massive MIMO systems.
Moreover, based on OTA scattering parameter measurements, the ambiguities of the phase shifters are exploited and two criteria to optimize the beam pattern are formulated.
Finally, the optimization criteria are examined in measurements utilizing a novel SBHB receiver system operating at 27.8 GHz.
American Psychological Association (APA)
Eisenbeis, Joerg& Pfaff, Jonas& Karg, Christian& Kowalewski, Jerzy& Li, Yueheng& Pauli, Mario…[et al.]. 2020. Beam Pattern Optimization Method for Subarray-Based Hybrid Beamforming Systems. Wireless Communications and Mobile Computing،Vol. 2020, no. 2020, pp.1-7.
https://search.emarefa.net/detail/BIM-1214739
Modern Language Association (MLA)
Eisenbeis, Joerg…[et al.]. Beam Pattern Optimization Method for Subarray-Based Hybrid Beamforming Systems. Wireless Communications and Mobile Computing No. 2020 (2020), pp.1-7.
https://search.emarefa.net/detail/BIM-1214739
American Medical Association (AMA)
Eisenbeis, Joerg& Pfaff, Jonas& Karg, Christian& Kowalewski, Jerzy& Li, Yueheng& Pauli, Mario…[et al.]. Beam Pattern Optimization Method for Subarray-Based Hybrid Beamforming Systems. Wireless Communications and Mobile Computing. 2020. Vol. 2020, no. 2020, pp.1-7.
https://search.emarefa.net/detail/BIM-1214739
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1214739