Cognitive Successive Interference Cancellation for Multi-User Visible Light Communication Systems
Wireless communication technology continues to face challenges in meeting high bandwidth demands and the capability to serve numerous users. One promising solution is the non-orthogonal multiple access (NOMA) scheme, particularly through the use of power domain (PD) in the application of visible lig...
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| Main Authors: | , |
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| Format: | Article |
| Language: | Indonesian |
| Published: |
Teknik Elektro Institut Teknologi Nasional Bandung
2025-04-01
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| Series: | Jurnal Elkomika |
| Subjects: | |
| Online Access: | https://ejurnal.itenas.ac.id/index.php/elkomika/article/view/13348 |
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| Summary: | Wireless communication technology continues to face challenges in meeting high bandwidth demands and the capability to serve numerous users. One promising solution is the non-orthogonal multiple access (NOMA) scheme, particularly through the use of power domain (PD) in the application of visible light communication (VLC) technology. However, PD-NOMA still faces power allocation and detection issues at the receiver end. We propose the Cognitive-SIC-VLC method, which considers the line of sight (LOS). Using combined multiplexing techniques, variations in user positions within the system can result in low SNR (dB) values when detecting a BER threshold of 10-3. In three power allocation experiment scenarios, the third scenario was the best with an initial power allocation of 0.95 and a power increment for each user of 0.05. This has been proven to have very low SNR requirements for users close to the LED. |
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| ISSN: | 2338-8323 2459-9638 |