基于RSS算法的CDMA调制解调可见光定位系统

针对室内可见光定位(VLP)实际应用的大面积面板灯排列场景中存在的定位精确度低、信号干扰严重等问题，提出了一种基于接收信号强度(RSS)算法的码分多址(CDMA)调制解调VLP系统，介绍了RSS算法和CDMA调制解调VLP系统原理，通过实验验证了系统定位精度。实验结果表明：在未考虑实时移动和延迟刷新等因素的情况下，固定点位的定位最大误差为0.3 m，算法解决了传统定位算法中边缘角落区域定位精度低的问题，提高了VLP系统的鲁棒性。

Abstract

Aiming at the problems such as low positioning accuracy and serious signal interference in the large-area panel light arrangement scene of indoor visible light positioning(VLP), a code division multiple access(CDMA) modulation and demodulation VLP system based on received signal strength(RSS) algorithm is proposed, The principles of the RSS algorithm and CDMA modulation and demodulation VLP system are introduced, and the positioning accuracy of the system is verified by experiments. The experimental results show that the maximum error of the positioning of the fixed point is 0.3 m without considering the factors such as real-time movement and delay refresh. The algorithm solves the problem of low positioning accuracy of the edge corner region in the traditional positioning algorithm and improves the robustness of the VLP system.

参考文献

[1] SHAABAN K, SHAMIM M H M, ABDURROUF K. Visible light communication for intelligent transportation systems: a review of the latest technologies[J]. Journal of traffic and transportation engineering, 2021, 8(4): 483-492.

[2] 刘翔宇，刘保睿，宋嵩，等. 成像型可见光定位系统优化研究[J]. 电子与信息学报，2022， 44(12)：4246-4255.

[3] MAHMOUD A A, AHMAD Z U, HAAS O C L, et al. Precision indoor three-dimensional visible light positioning using receiver diversity and multi-layer perceptron neural network[J]. IET Optoelectronics, 2020, 14(6): 440-446.

[4] GUAN W, CHEN X, HUANG M, et al. High-speed robust dynamic positioning and tracking method based on visual visible light communication using optical flow detection and bayesian forecast[J]. IEEE Photonics Journal, 2018, 10(3): 7904722-1-7904722-22.

[5] NAZ A, HASSAN N U, PASHA M A, et al. Single LED ceiling lamp based indoor positioning system[C]//2018 IEEE 4th World Forum on Internet of Things (WF-IoT), February 5-8, 2018, Singapore. New York: IEEE, 2018: 682-687.

[6] LI Q L, WANG J Y, HUANG T, et al. Three-dimensional indoor visible light positioning system with a single transmitter and a single tilted receiver[J]. Optical Engineering, 2016, 55(10): 106103-1-106103-7.

[7] 许永泽，陈哲. 基于LED与图像传感器的可见光三维定位系统[J/OL]. 激光与光电子学进展：1-20[2023-01-29]. https://kns.cnki.net/kcms/detail/31.1690.TN.20220617.1833.005.html.

[8] CHENG H, XIAO C, JI Y, et al. A single LED visible light positioning system based on geometric features and CMOS camera[J]. IEEE Photonics Technology Letters, 2020, 32(17): 1097-1100.

[9] LI H, HUANG H, XU Y, et al. A fast and high-accuracy real-time visible light positioning system based on single LED lamp with a beacon[J]. IEEE Photonics Journal, 2020, 12(6): 09233945-1-09233945-12.

刘威, 陈青辉, 文鸿, 邓锐, 马杰, 陈明, 刘克雄, 罗坤平. 基于RSS算法的CDMA调制解调可见光定位系统[J]. 光通信技术, 2023, 47(4): 0042. LIU Wei, CHEN Qinghui, WEN Hong, DENG Rui, MA Jie, CHEN Ming, LIU Kexiong, LUO Kunping. Visible light positioning system with CDMA modulation and demodulation based on RSS algorithm[J]. Optical Communication Technology, 2023, 47(4): 0042.

基于RSS算法的CDMA调制解调可见光定位系统

关于本站 Cookie 的使用提示

全站搜索

基于RSS算法的CDMA调制解调可见光定位系统

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索