Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems with SWIPT Article Swipe
Fangqing Tan
,
Peiran Wu
,
Yik‐Chung Wu
,
Minghua Xia
·
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2007.09920
YOU?
·
· 2020
· Open Access
·
· DOI: https://doi.org/10.48550/arxiv.2007.09920
This work investigates the energy-efficient resource allocation for layered-division multiplexing (LDM) based non-orthogonal multicast and unicast transmission in cell-free massive multiple-input multiple-output (MIMO) systems, where each user equipment (UE) performs wireless information and power transfer simultaneously. To begin with, the achievable data rates for multicast and unicast services are derived in closed form, as well as the received radio frequency (RF) power at each UE. Based on the analytical results, a nonsmooth and nonconvex optimization problem for energy efficiency (EE) maximization is formulated, which is however a challenging fractional programming problem with complex constraints. To suit the massive access setting, a first-order algorithm is developed to find both initial feasible point and the nearly optimal solution. Moreover, an accelerated algorithm is designed to improve the convergence speed. Numerical results demonstrate that the proposed first-order algorithms can achieve almost the same EE as that of second-order approaches yet with much lower computational complexity, which provides insight into the superiority of the proposed algorithms for massive access in cell-free massive MIMO systems.
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Metadata
- Type
- preprint
- Language
- en
- Landing Page
- http://arxiv.org/abs/2007.09920
- https://arxiv.org/pdf/2007.09920
- OA Status
- green
- References
- 37
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W3043761943
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W3043761943Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.48550/arxiv.2007.09920Digital Object Identifier
- Title
-
Energy-Efficient Non-Orthogonal Multicast and Unicast Transmission of Cell-Free Massive MIMO Systems with SWIPTWork title
- Type
-
preprintOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2020Year of publication
- Publication date
-
2020-07-20Full publication date if available
- Authors
-
Fangqing Tan, Peiran Wu, Yik‐Chung Wu, Minghua XiaList of authors in order
- Landing page
-
https://arxiv.org/abs/2007.09920Publisher landing page
- PDF URL
-
https://arxiv.org/pdf/2007.09920Direct 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/2007.09920Direct OA link when available
- Concepts
-
Unicast, Multicast, Computer science, MIMO, Maximization, Multiplexing, Transmission (telecommunications), Mathematical optimization, Efficient energy use, Computer network, Distributed computing, Telecommunications, Mathematics, Channel (broadcasting), Engineering, Electrical engineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
0Total citation count in OpenAlex
- References (count)
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37Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| referenced_works_count | 37 |
| abstract_inverted_index.a | 70, 86, 100 |
| abstract_inverted_index.EE | 140 |
| abstract_inverted_index.To | 36, 94 |
| abstract_inverted_index.an | 117 |
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| abstract_inverted_index.in | 17, 50, 165 |
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| abstract_inverted_index.the | 3, 39, 56, 67, 96, 112, 124, 131, 138, 156, 159 |
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| abstract_inverted_index.(RF) | 60 |
| abstract_inverted_index.(UE) | 28 |
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| abstract_inverted_index.that | 130, 142 |
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| abstract_inverted_index.with | 91, 147 |
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| abstract_inverted_index.(LDM) | 10 |
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| abstract_inverted_index.form, | 52 |
| abstract_inverted_index.lower | 149 |
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| abstract_inverted_index.power | 33, 61 |
| abstract_inverted_index.radio | 58 |
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| abstract_inverted_index.which | 83, 152 |
| abstract_inverted_index.with, | 38 |
| abstract_inverted_index.(MIMO) | 22 |
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| abstract_inverted_index.closed | 51 |
| abstract_inverted_index.energy | 77 |
| abstract_inverted_index.nearly | 113 |
| abstract_inverted_index.speed. | 126 |
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| abstract_inverted_index.setting, | 99 |
| abstract_inverted_index.systems, | 23 |
| abstract_inverted_index.systems. | 169 |
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| abstract_inverted_index.wireless | 30 |
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| abstract_inverted_index.cell-free | 18, 166 |
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| abstract_inverted_index.equipment | 27 |
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| abstract_inverted_index.multicast | 13, 44 |
| abstract_inverted_index.nonconvex | 73 |
| abstract_inverted_index.nonsmooth | 71 |
| abstract_inverted_index.solution. | 115 |
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| abstract_inverted_index.algorithms | 134, 161 |
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| abstract_inverted_index.challenging | 87 |
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| abstract_inverted_index.demonstrate | 129 |
| abstract_inverted_index.first-order | 101, 133 |
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| abstract_inverted_index.simultaneously. | 35 |
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| abstract_inverted_index.layered-division | 8 |
| cited_by_percentile_year | |
| countries_distinct_count | 2 |
| institutions_distinct_count | 4 |
| sustainable_development_goals[0].id | https://metadata.un.org/sdg/7 |
| sustainable_development_goals[0].score | 0.4699999988079071 |
| sustainable_development_goals[0].display_name | Affordable and clean energy |
| citation_normalized_percentile |