This paper proposes a light-emitting reconfigurable intelligent surface (LeRIS) architecture that integrates vertical cavity surface-emitting lasers (VCSELs) to jointly support user localization and mmWave communication. By leveraging the directional Gaussian beams and dual-mode diversity of VCSELs, we derive a closed-form method for estimating user position and orientation using only three VCSEL sources. These estimates are then used to configure LeRIS panels for directional mmWave beamforming, enabling optimized wave propagation in programmable wireless environments. Simulation results demonstrate that the proposed system achieves millimeter-level localization accuracy and maintains high spectral efficiency. These findings establish VCSEL-integrated LeRIS as a scalable and multifunctional solution for future 6G programmable wireless environments.

翻译：本文提出了一种集成垂直腔面发射激光器（VCSEL）的光发射可重构智能表面（LeRIS）架构，以协同支持用户定位与毫米波通信。通过利用VCSEL的定向高斯光束与双模分集特性，我们推导出一种仅需三个VCSEL光源即可估计用户位置与朝向的闭式方法。这些估计值随后用于配置LeRIS面板以实现定向毫米波波束成形，从而在可编程无线环境中实现优化的波传播。仿真结果表明，所提系统可实现毫米级定位精度，并保持高频谱效率。这些发现确立了VCSEL集成的LeRIS作为未来6G可编程无线环境的一种可扩展、多功能解决方案。