Sub-Array Selection in Full-Duplex Massive MIMO for Enhanced Self-Interference Suppression Article Swipe
Mobeen Mahmood
,
Asil Koç
,
Duc Tuong Nguyen
,
Robert Morawski
,
Tho Le‐Ngoc
·
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2309.03317
YOU?
·
· 2023
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2309.03317
This study considers a novel full-duplex (FD) massive multiple-input multiple-output (mMIMO) system using hybrid beamforming (HBF) architecture, which allows for simultaneous uplink (UL) and downlink (DL) transmission over the same frequency band. Particularly, our objective is to mitigate the strong self-interference (SI) solely on the design of UL and DL RF beamforming stages jointly with sub-array selection (SAS) for transmit (Tx) and receive (Rx) sub-arrays at base station (BS). Based on the measured SI channel in an anechoic chamber, we propose a min-SI beamforming scheme with SAS, which applies perturbations to the beam directivity to enhance SI suppression in UL and DL beam directions. To solve this challenging nonconvex optimization problem, we propose a swarm intelligence-based algorithmic solution to find the optimal perturbations as well as the Tx and Rx sub-arrays to minimize SI subject to the directivity degradation constraints for the UL and DL beams. The results show that the proposed min-SI BF scheme can achieve SI suppression as high as 78 dB in FD mMIMO systems.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2309.03317
- https://arxiv.org/pdf/2309.03317
- OA Status
- green
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4386554808
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4386554808Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.48550/arxiv.2309.03317Digital Object Identifier
- Title
-
Sub-Array Selection in Full-Duplex Massive MIMO for Enhanced Self-Interference SuppressionWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2023Year of publication
- Publication date
-
2023-09-06Full publication date if available
- Authors
-
Mobeen Mahmood, Asil Koç, Duc Tuong Nguyen, Robert Morawski, Tho Le‐NgocList of authors in order
- Landing page
-
https://arxiv.org/abs/2309.03317Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/2309.03317Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
greenOpen access status per OpenAlex
- OA URL
-
https://arxiv.org/pdf/2309.03317Direct OA link when available
- Concepts
-
Beamforming, MIMO, Directivity, Telecommunications link, Base station, Computer science, Interference (communication), Electronic engineering, Anechoic chamber, Topology (electrical circuits), Channel (broadcasting), Telecommunications, Engineering, Antenna (radio), Electrical engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
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0Total citation count in OpenAlex
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10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.mitigate | 37 |
| abstract_inverted_index.problem, | 110 |
| abstract_inverted_index.proposed | 151 |
| abstract_inverted_index.solution | 117 |
| abstract_inverted_index.systems. | 167 |
| abstract_inverted_index.transmit | 59 |
| abstract_inverted_index.considers | 2 |
| abstract_inverted_index.frequency | 30 |
| abstract_inverted_index.nonconvex | 108 |
| abstract_inverted_index.objective | 34 |
| abstract_inverted_index.selection | 56 |
| abstract_inverted_index.sub-array | 55 |
| abstract_inverted_index.sub-arrays | 64, 130 |
| abstract_inverted_index.algorithmic | 116 |
| abstract_inverted_index.beamforming | 14, 51, 83 |
| abstract_inverted_index.challenging | 107 |
| abstract_inverted_index.constraints | 139 |
| abstract_inverted_index.degradation | 138 |
| abstract_inverted_index.directions. | 103 |
| abstract_inverted_index.directivity | 93, 137 |
| abstract_inverted_index.full-duplex | 5 |
| abstract_inverted_index.suppression | 97, 158 |
| abstract_inverted_index.optimization | 109 |
| abstract_inverted_index.simultaneous | 20 |
| abstract_inverted_index.transmission | 26 |
| abstract_inverted_index.Particularly, | 32 |
| abstract_inverted_index.architecture, | 16 |
| abstract_inverted_index.perturbations | 89, 122 |
| abstract_inverted_index.multiple-input | 8 |
| abstract_inverted_index.multiple-output | 9 |
| abstract_inverted_index.self-interference | 40 |
| abstract_inverted_index.intelligence-based | 115 |
| cited_by_percentile_year | |
| countries_distinct_count | 0 |
| institutions_distinct_count | 5 |
| citation_normalized_percentile |