Unreal is all you need: Multimodal ISAC Data Simulation with Only One Engine
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arXiv
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| Hauptverfasser: | , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866916866714238976 |
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| author | Huang, Kongwu Mu, Shiyi Jiang, Jun Gao, Yuan Xu, Shugong |
| author_facet | Huang, Kongwu Mu, Shiyi Jiang, Jun Gao, Yuan Xu, Shugong |
| contents | Scaling laws have achieved success in LLM and foundation models. To explore their potential in ISAC research, we propose Great-X. This single-engine multimodal data twin platform reconstructs the ray-tracing computation of Sionna within Unreal Engine and is deeply integrated with autonomous driving tools. This enables efficient and synchronized simulation of multimodal data, including CSI, RGB, Radar, and LiDAR. Based on this platform, we construct an open-source, large-scale, low-altitude UAV multimodal synaesthesia dataset named Great-MSD, and propose a baseline CSI-based UAV 3D localization algorithm, demonstrating its feasibility and generalizability across different CSI simulation engines. The related code and dataset will be made available at: https://github.com/hkw-xg/Great-MCD. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_08716 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Unreal is all you need: Multimodal ISAC Data Simulation with Only One Engine Huang, Kongwu Mu, Shiyi Jiang, Jun Gao, Yuan Xu, Shugong Computer Vision and Pattern Recognition Scaling laws have achieved success in LLM and foundation models. To explore their potential in ISAC research, we propose Great-X. This single-engine multimodal data twin platform reconstructs the ray-tracing computation of Sionna within Unreal Engine and is deeply integrated with autonomous driving tools. This enables efficient and synchronized simulation of multimodal data, including CSI, RGB, Radar, and LiDAR. Based on this platform, we construct an open-source, large-scale, low-altitude UAV multimodal synaesthesia dataset named Great-MSD, and propose a baseline CSI-based UAV 3D localization algorithm, demonstrating its feasibility and generalizability across different CSI simulation engines. The related code and dataset will be made available at: https://github.com/hkw-xg/Great-MCD. |
| title | Unreal is all you need: Multimodal ISAC Data Simulation with Only One Engine |
| topic | Computer Vision and Pattern Recognition |
| url | https://arxiv.org/abs/2507.08716 |