Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA
In this letter, we for the first time experimentally demonstrate a sub-decimeter accuracy visible light positioning (VLP) system using a modified phase difference of arrival (PDOA) algorithm, i.e., differential PDOA (DPDOA). Compared with the conventional PDOA algorithm where local oscillators (LOs)...
| Main Authors: | , , , |
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| Format: | Journal Article |
| Language: | English |
| Published: |
2020
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| Online Access: | https://hdl.handle.net/10356/140779 |
| _version_ | 1811677196622757888 |
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| author | Zhang, Sheng Zhong, Wen-De Du, Pengfei Chen, Chen |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Zhang, Sheng Zhong, Wen-De Du, Pengfei Chen, Chen |
| author_sort | Zhang, Sheng |
| collection | NTU |
| description | In this letter, we for the first time experimentally demonstrate a sub-decimeter accuracy visible light positioning (VLP) system using a modified phase difference of arrival (PDOA) algorithm, i.e., differential PDOA (DPDOA). Compared with the conventional PDOA algorithm where local oscillators (LOs) are used at the receiver side, the DPDOA algorithm does not require LOs by using the differential phase difference method. Moreover, Kalman filtering is used to reduce the variation of distance difference estimation and neural network is also adopted for mitigating the position shifting error caused by the nonuniform initial time delay pattern of the off-the-shelf LEDs. Experimental results show that the proposed VLP system achieves an average root-mean-square positioning error (RMSPE) of 1.8cm and a maximum RMSPE of 8 cm with a coverage of 1×1.2m2 and a height of 2m. |
| first_indexed | 2024-10-01T02:33:32Z |
| format | Journal Article |
| id | ntu-10356/140779 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T02:33:32Z |
| publishDate | 2020 |
| record_format | dspace |
| spelling | ntu-10356/1407792020-06-02T03:09:51Z Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA Zhang, Sheng Zhong, Wen-De Du, Pengfei Chen, Chen School of Electrical and Electronic Engineering Engineering::Electrical and electronic engineering Visible Light Positioning (VLP) Phase Difference of Arrival (PDOA) In this letter, we for the first time experimentally demonstrate a sub-decimeter accuracy visible light positioning (VLP) system using a modified phase difference of arrival (PDOA) algorithm, i.e., differential PDOA (DPDOA). Compared with the conventional PDOA algorithm where local oscillators (LOs) are used at the receiver side, the DPDOA algorithm does not require LOs by using the differential phase difference method. Moreover, Kalman filtering is used to reduce the variation of distance difference estimation and neural network is also adopted for mitigating the position shifting error caused by the nonuniform initial time delay pattern of the off-the-shelf LEDs. Experimental results show that the proposed VLP system achieves an average root-mean-square positioning error (RMSPE) of 1.8cm and a maximum RMSPE of 8 cm with a coverage of 1×1.2m2 and a height of 2m. NRF (Natl Research Foundation, S’pore) 2020-06-02T03:09:51Z 2020-06-02T03:09:51Z 2018 Journal Article Zhang, S., Zhong, W.-D., Du, P., & Chen, C. (2018). Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA. IEEE Photonics Technology Letters, 30(19), 1703-1706. doi:10.1109/lpt.2018.2866402 1041-1135 https://hdl.handle.net/10356/140779 10.1109/LPT.2018.2866402 2-s2.0-85052674137 19 30 1703 1706 en IEEE Photonics Technology Letters © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at: https://doi.org/10.1109/LPT.2018.2866402 |
| spellingShingle | Engineering::Electrical and electronic engineering Visible Light Positioning (VLP) Phase Difference of Arrival (PDOA) Zhang, Sheng Zhong, Wen-De Du, Pengfei Chen, Chen Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title | Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title_full | Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title_fullStr | Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title_full_unstemmed | Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title_short | Experimental demonstration of indoor sub-decimeter accuracy VLP system using differential PDOA |
| title_sort | experimental demonstration of indoor sub decimeter accuracy vlp system using differential pdoa |
| topic | Engineering::Electrical and electronic engineering Visible Light Positioning (VLP) Phase Difference of Arrival (PDOA) |
| url | https://hdl.handle.net/10356/140779 |
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