[1] Zhao C H, Zhang H M, Song J. Fingerprint based visible light indoor localization method[J]. Chinese Journal of Lasers, 45, 0806002(2018).

[2] Dong W J, Wang X D, Wu N. A hybrid RSS/AOA algorithm for indoor visible light positioning[J]. Laser & Optoelectronics Progress, 55, 050603(2018).

[3] Zhu G[M]. UWB principle and interference(2009).

[4] Li W J, Fu J. The design and implementation of distributed laser location system based on TDOF technology[J]. Chinese Journal of Sensors and Actuators, 30, 1438-1446(2017).

[5] Gao Z J. Research on WDAM-UWB system ranging localization and error mitigation technology[D]. Harbin: Harbin Institute of Technology(2016).

[6] Li Y, Wang M, Yu X Y. Indoor location algorithm based on ZigBee[J]. Computer Systems & Applications, 25, 180-184(2016).

[7] Zhao Q, Wang J D, Liu Y X et al. System error correction based on particle swarm optimization in TOA indoor location[J]. Electronic Measurement Technology, 40, 189-192, 197(2017).

[8] Cesbron F, Arnott R. Locating GSM mobiles using antenna array[J]. Electronics Letters, 34, 1539-1540(1998). http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=707102

[9] So H C, Computer Sciences. E86-, A, 2136-2138(2003).

[10] Zhao J H, Zhao C. Improved hybrid ToA/AoA location algorithm in NLoS environments for wireless sensor networks[J]. Zhongguo Tongxin, 8, 106-110(2011).

[11] Deng P, Liu L, Fan P Z. An improved hybrid TOA/AOA location algorithm[J]. Journal of Circuits and Systems, 8, 54-57(2003).

[12] Deligiannis N, Louvros S, Kotsopoulos S. Optimizing location positioning using hybrid TOA-AOA techniques in mobile cellular networks. [C]∥Proceedings of the 3rd International ICST Conference on Mobile Multimedia Communications, August 27-29, 2007, Nafpaktos, Greece. Brussels: ICST(2007).

[13] Chan Y T, Tsui W Y, So H C et al. Time-of-arrival based localization under NLOS conditions[J]. IEEE Transactions on Vehicular Technology, 55, 17-24(2006). http://doi.ieeecomputersociety.org/resolve?ref_id=doi:10.1109/TVT.2005.861207&rfr_id=trans/tm/2008/05/ttm2008050647.htm

[14] Bach W, Dam D, Evers L et al. An iterative quality-based localization algorithm for ad hoc networks. [C]∥In Proceedings of the International Conference on Pervasive Computing, August 26-28, 2002, Zurich, Switzerland. Germany: Springer, 55-61(2002).

[15] Liu J, Li J. TDOA/AOA hybrid wireless location method in NLOS situation[J]. Journal on Communications, 26, 63-68(2005).

[16] Deng P. Investigation of mobile station location in cellular network[D]. Chengdu: Southwest Jiaotong University(2002).

[17] Chen J X, Ren J. The improved Taylor series indoor positioning algorithm based on RSSI[J]. Journal of North China University of Technology, 28, 25-29(2016).

[18] Shen R, Zhang J, Wang D. Indoor location method and the cramer-rao bound estimation based on visible light communications[J]. Laser & Optoelectronics Progress, 51, 090604(2014).

[19] Feng K T, Chen C L, Chen C H . GALE: an enhanced geometry-assisted location estimation algorithm for NLOS environments[J]. IEEE Transactions on Mobile Computing, 7, 199-213(2008). http://doi.ieeecomputersociety.org/10.1109/TMC.2007.70721

[20] Yang Z, Wu C S, Liu Y H[M]. Location-based computing: localization and localizability of wireless networks(2014).