arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 2602.05034eess.SPeess.AS
收藏

分布式MIMO中相位损伤下的相位仅定位:基于深度学习的AP选择

Phase-Only Positioning in Distributed MIMO Under Phase Impairments: AP Selection Using Deep Learning

Tampere University(坦佩雷大学);Chalmers University of Technology(查尔姆斯理工大学);Nokia Bell Labs(诺基亚贝尔实验室)

Fatih Ayten, Musa Furkan Keskin, Akshay Jain, Mehmet C. Ilter, Ossi Kaltiokallio, Jukka Talvitie, Elena Simona Lohan, Mikko Valkama

AI总结:

本文提出基于深度学习的D-MIMO天线点选择方法,在相位同步误差下实现高精度定位,仿真结果表明其在提升定位精度的同时降低了推理复杂度。

摘要:

载波相位定位(CPP)可以在下一代无线系统中实现厘米级精度,而近期文献显示,在分布式MIMO(D-MIMO)中使用仅相位测量仍能保持高精度。然而,相位同步误差对这类系统的影响仍不够深入。为解决这一差距,我们首先表明,所提出的双曲线交点方法即使在存在相位同步误差的情况下,也能在适当的数据训练下实现高精度定位。然后我们介绍了一个基于深度学习(DL)的D-MIMO天线点(AP)选择框架,该框架在相位同步误差下确保高精度定位。仿真结果表明,所提出的框架相比现有方法提高了定位精度,同时将推理复杂度降低了约19.7%。

英文摘要:

Carrier phase positioning (CPP) can enable cm-level accuracy in next-generation wireless systems, while recent literature shows that accuracy remains high using phase-only measurements in distributed MIMO (D-MIMO). However, the impact of phase synchronization errors on such systems remains insufficiently explored. To address this gap, we first show that the proposed hyperbola intersection method achieves highly accurate positioning even in the presence of phase synchronization errors, when trained on appropriate data reflecting such impairments. We then introduce a deep learning (DL)-based D-MIMO antenna point (AP) selection framework that ensures high-precision localization under phase synchronization errors. Simulation results show that the proposed framework improves positioning accuracy compared to prior-art methods, while reducing inference complexity by approximately 19.7%.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑