@ARTICLE{liang2022ledmapper,
  author={Qing Liang and Yuxiang Sun and Chengju Liu and Ming Liu and Lujia Wang},
  journal={IEEE Transactions on Instrumentation and Measurement}, 
  title={LedMapper: Toward Efficient and Accurate LED Mapping for Visible Light Positioning at Scale}, 
  year={2022},
  volume={71},
  number={},
  pages={1-12},
  doi={10.1109/TIM.2021.3123293}}