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Wideband beamspace squint user grouping algorithm based on subarray collaboration.

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Title: Wideband beamspace squint user grouping algorithm based on subarray collaboration.
Authors: Pan, Xiaoliang, Li, Chunguo, Yang, Luxi
Source: EURASIP Journal on Advances in Signal Processing; 1/15/2022, Vol. 2022 Issue 1, p1-14, 14p
Subject Terms: STRABISMUS, MIMO systems, CO-channel interference, ALGORITHMS, PLANAR antennas, MULTIUSER computer systems
Abstract: The beam direction constrained problem is one of the important issues to be solved in millimeter-wave (mmWave) wideband communications when serving multi-user with squint beams whose direction varies with frequency. In this paper, we improve the number of simultaneous users served by collaboratively transmitting squint beams among multi-subarray at the base station (BS) end in a downlink multi-user line-of-sight (LoS) scenario, and reduce the interference among co-channel squint beams by a beam domain approach. The optimization problem of maximizing the number of users served in the system by transmitting beams in the two-dimensional beamspace of the planar antenna subarray is proposed and its suboptimal algorithm is given. Finally, the feasibility of the proposed method and the performance of the proposed algorithm are verified by numerical simulations. [ABSTRACT FROM AUTHOR]
Copyright of EURASIP Journal on Advances in Signal Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Wideband beamspace squint user grouping algorithm based on subarray collaboration.
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  Data: <searchLink fieldCode="AR" term="%22Pan%2C+Xiaoliang%22">Pan, Xiaoliang</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Chunguo%22">Li, Chunguo</searchLink><br /><searchLink fieldCode="AR" term="%22Yang%2C+Luxi%22">Yang, Luxi</searchLink>
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  Data: EURASIP Journal on Advances in Signal Processing; 1/15/2022, Vol. 2022 Issue 1, p1-14, 14p
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  Data: <searchLink fieldCode="DE" term="%22STRABISMUS%22">STRABISMUS</searchLink><br /><searchLink fieldCode="DE" term="%22MIMO+systems%22">MIMO systems</searchLink><br /><searchLink fieldCode="DE" term="%22CO-channel+interference%22">CO-channel interference</searchLink><br /><searchLink fieldCode="DE" term="%22ALGORITHMS%22">ALGORITHMS</searchLink><br /><searchLink fieldCode="DE" term="%22PLANAR+antennas%22">PLANAR antennas</searchLink><br /><searchLink fieldCode="DE" term="%22MULTIUSER+computer+systems%22">MULTIUSER computer systems</searchLink>
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  Data: The beam direction constrained problem is one of the important issues to be solved in millimeter-wave (mmWave) wideband communications when serving multi-user with squint beams whose direction varies with frequency. In this paper, we improve the number of simultaneous users served by collaboratively transmitting squint beams among multi-subarray at the base station (BS) end in a downlink multi-user line-of-sight (LoS) scenario, and reduce the interference among co-channel squint beams by a beam domain approach. The optimization problem of maximizing the number of users served in the system by transmitting beams in the two-dimensional beamspace of the planar antenna subarray is proposed and its suboptimal algorithm is given. Finally, the feasibility of the proposed method and the performance of the proposed algorithm are verified by numerical simulations. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of EURASIP Journal on Advances in Signal Processing is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1186/s13634-021-00833-4
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      – SubjectFull: CO-channel interference
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      – SubjectFull: PLANAR antennas
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      – SubjectFull: MULTIUSER computer systems
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      – TitleFull: Wideband beamspace squint user grouping algorithm based on subarray collaboration.
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              M: 01
              Text: 1/15/2022
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              Y: 2022
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