@ARTICLE{WangSignal,
    author={Wang, Tao and Liu, Yao and Hou, Tao and Pei, Qingqi and Fang, Song},
    journal={IEEE Transactions on Dependable and Secure Computing},
    title={Signal Entanglement Based Pinpoint Waveforming for Location-Restricted Service Access Control},
    year={2018},
    volume={15},
    number={5},
    pages={853-867},
}