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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/2512.22068 |
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| _version_ | 1866909976346230784 |
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| author | Papazafeiropoulos, Anastasios Bartsiokas, Ioannis Kaklamani, Dimitra I. Venieris, Iakovos S. |
| author_facet | Papazafeiropoulos, Anastasios Bartsiokas, Ioannis Kaklamani, Dimitra I. Venieris, Iakovos S. |
| contents | We derive a novel closed-form lower bound on the ergodic capacity of holographic multiple-input multiple-output (HMIMO) systems enhanced by stacked intelligent metasurfaces (SIMs) under Rayleigh fading conditions. The proposed expression is valid for systems with a finite number of antennas and SIM elements and exhibits tightness throughout the whole signal-to-noise ratio (SNR) range. Furthermore, we conduct a comprehensive low-SNR analysis, offering meaningful observations on how key system parameters influence the capacity performance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_22068 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | On the Ergodic Capacity for SIM-Aided Holographic MIMO Communications Papazafeiropoulos, Anastasios Bartsiokas, Ioannis Kaklamani, Dimitra I. Venieris, Iakovos S. Information Theory We derive a novel closed-form lower bound on the ergodic capacity of holographic multiple-input multiple-output (HMIMO) systems enhanced by stacked intelligent metasurfaces (SIMs) under Rayleigh fading conditions. The proposed expression is valid for systems with a finite number of antennas and SIM elements and exhibits tightness throughout the whole signal-to-noise ratio (SNR) range. Furthermore, we conduct a comprehensive low-SNR analysis, offering meaningful observations on how key system parameters influence the capacity performance. |
| title | On the Ergodic Capacity for SIM-Aided Holographic MIMO Communications |
| topic | Information Theory |
| url | https://arxiv.org/abs/2512.22068 |