One Snapshot is All You Need: A Generalized Method for mmWave Signal Generation

• URL: http://arxiv.org/abs/2503.21122v1
• Date: Thu, 27 Mar 2025 03:24:10 GMT
• Title: One Snapshot is All You Need: A Generalized Method for mmWave Signal Generation
• Authors: Teng Huang, Han Ding, Wenxin Sun, Cui Zhao, Ge Wang, Fei Wang, Kun Zhao, Zhi Wang, Wei Xi,
• Abstract summary: We propose mmGen, a framework tailored for full-scene mmWave signal generation.<n>By constructing physical signal transmission models, mmGen synthesizes human-reflected and environment-reflected mmWave signals.<n>We conduct extensive experiments using a prototype system with commercial mmWave devices and Kinect sensors.
• Score: 15.790309349652196
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Wireless sensing systems, particularly those using mmWave technology, offer distinct advantages over traditional vision-based approaches, such as enhanced privacy and effectiveness in poor lighting conditions. These systems, leveraging FMCW signals, have shown success in human-centric applications like localization, gesture recognition, and so on. However, comprehensive mmWave datasets for diverse applications are scarce, often constrained by pre-processed signatures (e.g., point clouds or RA heatmaps) and inconsistent annotation formats. To overcome these limitations, we propose mmGen, a novel and generalized framework tailored for full-scene mmWave signal generation. By constructing physical signal transmission models, mmGen synthesizes human-reflected and environment-reflected mmWave signals from the constructed 3D meshes. Additionally, we incorporate methods to account for material properties, antenna gains, and multipath reflections, enhancing the realism of the synthesized signals. We conduct extensive experiments using a prototype system with commercial mmWave devices and Kinect sensors. The results show that the average similarity of Range-Angle and micro-Doppler signatures between the synthesized and real-captured signals across three different environments exceeds 0.91 and 0.89, respectively, demonstrating the effectiveness and practical applicability of mmGen.

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