FAS-RIS Communication: Model, Analysis, and Optimization
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arXiv
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| Auteurs principaux: | , , , , , , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866916368844062720 |
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| author | Yao, Junteng Zheng, Jianchao Wu, Tuo Jin, Ming Yuen, Chau Wong, Kai-Kit Adachi, Fumiyuki |
| author_facet | Yao, Junteng Zheng, Jianchao Wu, Tuo Jin, Ming Yuen, Chau Wong, Kai-Kit Adachi, Fumiyuki |
| contents | This correspondence investigates the novel fluid antenna system (FAS) technology, combining with reconfigurable intelligent surface (RIS) for wireless communications, where a base station (BS) communicates with a FAS-enabled user with the assistance of a RIS. To analyze this technology, we derive the outage probability based on the block-diagonal matrix approximation (BDMA) model. With this, we obtain the upper bound, lower bound, and asymptotic approximation of the outage probability to gain more insights. Moreover, we design the phase shift matrix of the RIS in order to minimize the system outage probability. Simulation results confirm the accuracy of our approximations and that the proposed schemes outperform benchmarks significantly. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_13447 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | FAS-RIS Communication: Model, Analysis, and Optimization Yao, Junteng Zheng, Jianchao Wu, Tuo Jin, Ming Yuen, Chau Wong, Kai-Kit Adachi, Fumiyuki Signal Processing This correspondence investigates the novel fluid antenna system (FAS) technology, combining with reconfigurable intelligent surface (RIS) for wireless communications, where a base station (BS) communicates with a FAS-enabled user with the assistance of a RIS. To analyze this technology, we derive the outage probability based on the block-diagonal matrix approximation (BDMA) model. With this, we obtain the upper bound, lower bound, and asymptotic approximation of the outage probability to gain more insights. Moreover, we design the phase shift matrix of the RIS in order to minimize the system outage probability. Simulation results confirm the accuracy of our approximations and that the proposed schemes outperform benchmarks significantly. |
| title | FAS-RIS Communication: Model, Analysis, and Optimization |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2408.13447 |