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| Main Authors: | , , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.00609 |
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| _version_ | 1866915702907076608 |
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| author | García, Fernando D. Almeida Alvarado, Maria C. Luna Jiménez, Lenin P. Jiménez Fraidenraich, Gustavo Yacoub, Michel D. Garzón, Nathaly V. Orozco Vega-Sánchez, José D. Mora, Henry R. Carvajal |
| author_facet | García, Fernando D. Almeida Alvarado, Maria C. Luna Jiménez, Lenin P. Jiménez Fraidenraich, Gustavo Yacoub, Michel D. Garzón, Nathaly V. Orozco Vega-Sánchez, José D. Mora, Henry R. Carvajal |
| contents | This paper analyzes the outage performance of downlink NOMA systems with transmit antenna selection (TAS) and multi-antenna users over α-μ fading. Maximal-ratio combining (MRC) and equal-gain combining (EGC) are considered, with imperfect successive interference cancellation (ipSIC) explicitly modeled. Exact closed-form outage probability (OP) expressions and asymptotic results are derived, offering insights into diversity and coding gains. Simulations validate the analysis, showing that TAS improves the far user's performance and that MRC outperforms EGC. The results also quantify the loss from ipSIC, and highlight the impact of power allocation on joint OP. The proposed framework serves as a unified tool for evaluating TAS-NOMA systems under generalized fading, providing design insights for B5G/6G networks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_00609 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Outage Analysis of TAS-NOMA Systems With Multi-Antenna Users Over α-μ Fading García, Fernando D. Almeida Alvarado, Maria C. Luna Jiménez, Lenin P. Jiménez Fraidenraich, Gustavo Yacoub, Michel D. Garzón, Nathaly V. Orozco Vega-Sánchez, José D. Mora, Henry R. Carvajal Signal Processing This paper analyzes the outage performance of downlink NOMA systems with transmit antenna selection (TAS) and multi-antenna users over α-μ fading. Maximal-ratio combining (MRC) and equal-gain combining (EGC) are considered, with imperfect successive interference cancellation (ipSIC) explicitly modeled. Exact closed-form outage probability (OP) expressions and asymptotic results are derived, offering insights into diversity and coding gains. Simulations validate the analysis, showing that TAS improves the far user's performance and that MRC outperforms EGC. The results also quantify the loss from ipSIC, and highlight the impact of power allocation on joint OP. The proposed framework serves as a unified tool for evaluating TAS-NOMA systems under generalized fading, providing design insights for B5G/6G networks. |
| title | Outage Analysis of TAS-NOMA Systems With Multi-Antenna Users Over α-μ Fading |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2512.00609 |