[1] [1] SADOWSKI S, SPACHOS P, PLATANIOTIS K N S. Memoryless techniques and wireless technologies for indoor localization with the internet of things[J]. IEEE Internet Things, 2020, 7(11): 10996-11005.

[3] [3] SHAO W, LUO H, ZHAO F, et al. Accurate indoor positioning using temporal-spatial constraints based on wi-fi fine time measurements[J]. IEEE Internet Things 2020, 7(11):11006-11019.

[4] [4] SHIREHJINI A A N, SHIRMOHAMMADI S. Improving accuracy and robustness in hf-rfid-based indoor positioning with kalman filtering and tukey smoothing[J]. IEEE Transactions on Instrumentation & Measurement, 2020, 69(11): 9190-9202.

[5] [5] DINH T M T, DUING N S, SANDRASEGARAN K. Smartphone-based indoor positioning using bleibeacon and reliable lightweight fingerprint map[J]. IEEE Sensors Journal, 2020, 20(17): 10283-10294.

[6] [6] ZHU X, YI J, CHENG J, et al. Adapted error map based mobile robot uwb indoor positioning[J]. IEEE Transactions on Instrumentation & Measurement, 2020, 69(9): 6336-6350.

[7] [7] MAHEEPALA M, KOUZANI A Z, JOORDENS M A. Light-based indoor positioning systems: a review[J]. IEEE Sens, 2020, 20(8): 3971-3995.

[8] [8] CHEN P, PANG M, CHE D, et al. A survey on visible light positioning from software algorithms to hardware[J]. Wireless Communications and Mobile Computing, 2021,17(3): 973-985.

[9] [9] YANG Z, WANG Z, ZHAN J, et al. Polarization-based visible light positioning [J]. IEEE Transactions on Mobile Computing, 2019, 18(3): 715-727.

[10] [10] ZHENG Z, LIU L, HU W. Accuracy of ranging based on DMT visible light communication for indoor positioning[J]. IEEE Photonics Technology Letters, 2017, 29(8): 679-682.

[13] [13] YASIR M, HO S W, VELLAMBI B N. Indoor position tracking using multiple optical receivers [J]. Journal of Lightwave Technology, 2016, 34(4): 1166-1176.

[16] [16] HU Q Q, WANG X D, WU N. An indoor visible light positioning algorithm based on distance weighted adjustment[J]. Opto-Electronic Engineering, 2015, 42(5): 82-87.