[1] Zhao M X, Zhong L P, Zou X C. Research on the determination of earth second-degree harmonic coefficients by GPS satellites[J]. Journal of Geomatics, 46, 47-50(2021).

[2] Zhu Z W, Jiang W, Zhang G L et al. Indoor WiFi location algorithm based on RSSI[J]. Computer Engineering and Design, 41, 2958-2962(2020).

[3] Lu X. Design of WeChat mini program two-dimensional code region positioning system based on LBS cloud platform[J]. Modern Electronics Technique, 43, 180-182, 186(2020).

[4] Cossu G, Presi M, Corsini R et al. A Visible Light localization aided Optical Wireless system[C], 802-807(2011).

[5] Lou P H, Zhang H M, Zhang X et al. Fundamental analysis for indoor visible light positioning system[C], 59-63(2012).

[6] Jiang J J, Guan W P, Chen Z N et al. Indoor high-precision three-dimensional positioning algorithm based on visible light communication and fingerprinting using K-means and random forest[J]. Optical Engineering, 58, 016102(2019).

[7] Guan W P, Wu Y X, Xie C Y et al. High-precision approach to localization scheme of visible light communication based on artificial neural networks and modified genetic algorithms[J]. Optical Engineering, 56, 106103(2017).

[8] Zou P, Zhao Y H, Hu F C et al. Research status of machine learning based signal processing in visible light communication[J]. Laser & Optoelectronics Progress, 57, 010001(2020).

[9] Zhu W J. Research on indoor positioning algorithm of visible light communication based on image sensor[D](2018).

[10] Guan W P. Research on high precision indoor visible light positioning algorithm based on image sensor[D](2019).

[11] Xie C Y, Guan W P, Wu X Y et al. The LED-ID detection and recognition method based on visible light positioning using proximity method[J]. IEEE Photonics Journal, 10, 17665546(2018).

[12] Guan W P, Wu Y X, Xie C Y et al. Performance analysis and enhancement for visible light communication using CMOS sensors[J]. Optics Communications, 410, 531-551(2018).

[13] Zhang W Z, Chowdhury M I S, Kavehrad M. Asynchronous indoor positioning system based on visible light communications[J]. Optical Engineering, 53, 045105(2014).

[14] Panta K, Armstrong J. Indoor localisation using white LEDs[J]. Electronics Letters, 48, 228-230(2012).

[15] Guan W P, Wu Y X, Wen S S et al. A novel three-dimensional indoor positioning algorithm design based on visible light communication[J]. Optics Communications, 392, 282-293(2017).