Low-Complexity Relay Selection for Full-Duplex Random Relay Networks
Full-duplex relay networks have been studied to enhance network performance under the assumption that the number and positions of relay nodes are fixed. To account for the practical randomness in the number and locations of relays, this paper investigates full-duplex random relay networks (FDRRNs) w...
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MDPI AG
2025-03-01
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| Series: | Mathematics |
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| Online Access: | https://www.mdpi.com/2227-7390/13/6/971 |
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| author | Jonghyun Bang Taehyoung Kim |
| author_facet | Jonghyun Bang Taehyoung Kim |
| author_sort | Jonghyun Bang |
| collection | DOAJ |
| description | Full-duplex relay networks have been studied to enhance network performance under the assumption that the number and positions of relay nodes are fixed. To account for the practical randomness in the number and locations of relays, this paper investigates full-duplex random relay networks (FDRRNs) where all nodes are randomly distributed following a Poisson point process (PPP) model. In addition, we propose a low-complexity relay selection algorithm that constructs the candidate relay set while considering the selection diversity gain. Our simulation results demonstrate that, rather than simply increasing the number of candidate relay nodes, selecting an appropriate candidate relay set can achieve significant performance enhancement without unnecessarily increasing system complexity. |
| format | Article |
| id | doaj-art-d61bdb086283419984df8d74652bc66b |
| institution | DOAJ |
| issn | 2227-7390 |
| language | English |
| publishDate | 2025-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Mathematics |
| spelling | doaj-art-d61bdb086283419984df8d74652bc66b2025-08-20T02:42:26ZengMDPI AGMathematics2227-73902025-03-0113697110.3390/math13060971Low-Complexity Relay Selection for Full-Duplex Random Relay NetworksJonghyun Bang0Taehyoung Kim1SK Telecom Co., Ltd., Seoul 04539, Republic of KoreaSchool of Electrical Engineering, Kookmin University, Seoul 02707, Republic of KoreaFull-duplex relay networks have been studied to enhance network performance under the assumption that the number and positions of relay nodes are fixed. To account for the practical randomness in the number and locations of relays, this paper investigates full-duplex random relay networks (FDRRNs) where all nodes are randomly distributed following a Poisson point process (PPP) model. In addition, we propose a low-complexity relay selection algorithm that constructs the candidate relay set while considering the selection diversity gain. Our simulation results demonstrate that, rather than simply increasing the number of candidate relay nodes, selecting an appropriate candidate relay set can achieve significant performance enhancement without unnecessarily increasing system complexity.https://www.mdpi.com/2227-7390/13/6/971outage probabilityrandom relay networkcooperative networkfull duplex relayrelay selection diversity |
| spellingShingle | Jonghyun Bang Taehyoung Kim Low-Complexity Relay Selection for Full-Duplex Random Relay Networks Mathematics outage probability random relay network cooperative network full duplex relay relay selection diversity |
| title | Low-Complexity Relay Selection for Full-Duplex Random Relay Networks |
| title_full | Low-Complexity Relay Selection for Full-Duplex Random Relay Networks |
| title_fullStr | Low-Complexity Relay Selection for Full-Duplex Random Relay Networks |
| title_full_unstemmed | Low-Complexity Relay Selection for Full-Duplex Random Relay Networks |
| title_short | Low-Complexity Relay Selection for Full-Duplex Random Relay Networks |
| title_sort | low complexity relay selection for full duplex random relay networks |
| topic | outage probability random relay network cooperative network full duplex relay relay selection diversity |
| url | https://www.mdpi.com/2227-7390/13/6/971 |
| work_keys_str_mv | AT jonghyunbang lowcomplexityrelayselectionforfullduplexrandomrelaynetworks AT taehyoungkim lowcomplexityrelayselectionforfullduplexrandomrelaynetworks |