[1] YAN Dayu, SONG Wei, WANG Xudan et al. Review of development status of indoor location technology in China[J]. Journal of Navigation and Positioning, 7, 5-12(2019).

[2] DENG Z A, HU Y, YU J et al. Extended Kalman filter for real time indoor localization by fusing wifi and smartphone inertial sensors[J]. Micromachines, 6, 523-543(2015).

[3] YONEYAMA Y, MAKINO M, SHINODA S. A location system with bluetooth[J]. ITC-CSCC: International Technical Conference on Circuits Systems, Computers and Communications, 848-848(2002).

[4] WU L, HUANG L. Improvement of location methods based on RFID[J]. The Journal of China Universities of Posts and Telecommunications, 20, 36-41(2013).

[5] TAO Y Z, MIN LEX, YANG Y L et al. Research on indoor UWB positioning based on expectation maximization in NLOS environment[J]. Concurrency and Computation: Practice and Experience, 33, e6278(2021).

[6] TANAKA Y, HARUYAMA S, NAKAGAWA M. Wireless optical transmissions with white colored LED for wireless home links[C/OL], 2, 1325-1329(2000).

[7] AMINI C, TAHERPOUR A, KHATTAB T et al. Theoretical accuracy analysis of indoor visible light communication positioning system based on time-of-arrival[C/OL], 1-5(2016).

[8] HU Qingqing. Research on indoor location algorithms using visible light communiction based on LEDs[D](2016).

[9] ZHANG Rui, ZHANG Yerong. Improved location fingerprint position algorithm based on the combination of bilinear interpolation and K-means clustering algorithm[J]. Optical Communication Technology, 46, 45-49(2022).

[10] DANAKIS C, AFGANI M, POVEY G et al. Using a CMOS camera sensor for visible light communication[C/OL], 1244-1248(2012).

[11] ZHAO Li, HAN Zhongda, ZHANG Feng. Research on stereo location in visible light room based on neural network[J]. Chinese Journal of Lasers, 48, 0706004(2021).

[12] ZHAO Xia, ZHANG Junyi, LONG Qianqian. Indoor visible light positioning method using ISSA-ELM neural network based on circle chaotic mapping[J]. Acta Optica Sinica, 43, 0206004(2023).

[13] ZHANG Huiying, YU Haiyue, WANG Kai. Indoor visible light positioning of improved RBF neural network based on KPCA-K-means++ and GA-LMS model[J]. Acta Optica Sinica, 41, 1906001(2021).

[14] LI Shuai, ZHANG Feng, MENG Xiangyan, al et. Visible light indoor positioning perception model and light source layout based on convolutional neural network visual imaging[J]. Optical Communication Technology, 48, 42-47(2024).

[15] SU Chenxi, ZHANG Yanyu, LI Dun et al. Indoor visible light positioning method based on spatial optimization[J]. Acta Optica Sinica, 44, 1306006(2024).

[16] FENG Yue, FENG Lifang, JIN Jianli et al. Adaptive visible light location algorithm based on region division[J]. Acta Photonica Sinica, 51, 0306005(2022).

[17] MIKOLOV T, CHEN K, CORRADO G et al. Efficient estimation of word representations in vector space[J](2013).

[18] HE K M, ZHANG X Y, REN S Q et al. Deep residual learning for image recognition[C], 770-778(2016).

[19] VASWANI A, SHAZEER N, PARMAR N et al. Attention is all you need[J]. Advances in Neural Information Processing Systems, 30, 5998-6008(2017).