3D Cooperative User Tracking for Distributed Integrated Sensing and Communication
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914160948805632 |
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| author | Xu, Yingjie Cai, Xuesong Sandra, Michiel Willhammar, Sara Tufvesson, Fredrik |
| author_facet | Xu, Yingjie Cai, Xuesong Sandra, Michiel Willhammar, Sara Tufvesson, Fredrik |
| contents | As integrated sensing and communication (ISAC) becomes an integral part of 6G networks, distributed ISAC (DISAC) is expected to enhance both sensing and communication performance through its decentralized architecture. This paper presents a complete framework to address the challenge of cooperative user tracking in DISAC systems. By incorporating a global probability hypothesis density (PHD) filter and a field-of-view-aware access point (AP) management strategy, the framework enables accurate user tracking using radio signals while optimizing AP scheduling. In addition, a real-world distributed MIMO channel measurement campaign is performed to evaluate the effectiveness of the framework. The results demonstrate that a centimeter-level root mean-square trajectory error can be achieved. Furthermore, the results show that it is not necessary to keep APs active at all times to maintain high tracking accuracy, indicating the need for robust and efficient AP management. These findings provide valuable insights into practical deployments and the further development of cooperative user tracking techniques in DISAC systems. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_03612 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | 3D Cooperative User Tracking for Distributed Integrated Sensing and Communication Xu, Yingjie Cai, Xuesong Sandra, Michiel Willhammar, Sara Tufvesson, Fredrik Signal Processing As integrated sensing and communication (ISAC) becomes an integral part of 6G networks, distributed ISAC (DISAC) is expected to enhance both sensing and communication performance through its decentralized architecture. This paper presents a complete framework to address the challenge of cooperative user tracking in DISAC systems. By incorporating a global probability hypothesis density (PHD) filter and a field-of-view-aware access point (AP) management strategy, the framework enables accurate user tracking using radio signals while optimizing AP scheduling. In addition, a real-world distributed MIMO channel measurement campaign is performed to evaluate the effectiveness of the framework. The results demonstrate that a centimeter-level root mean-square trajectory error can be achieved. Furthermore, the results show that it is not necessary to keep APs active at all times to maintain high tracking accuracy, indicating the need for robust and efficient AP management. These findings provide valuable insights into practical deployments and the further development of cooperative user tracking techniques in DISAC systems. |
| title | 3D Cooperative User Tracking for Distributed Integrated Sensing and Communication |
| topic | Signal Processing |
| url | https://arxiv.org/abs/2511.03612 |