National Natural Science Foundation of China(62101505);Key Technologies R&D Program of Henan Province(222102210003);Science and Technology Major Projects of Henan Province(231100210100)
WANG Fa-song, JIANG Wen, LI Rui, et al.Design and Performance Analysis of Indoor VLPC System Based on SSK[J].Acta Electronica Sinica, 2024, 52(06): 1809-1816.
WANG Fa-song, JIANG Wen, LI Rui, et al.Design and Performance Analysis of Indoor VLPC System Based on SSK[J].Acta Electronica Sinica, 2024, 52(06): 1809-1816.DOI:10.12263/DZXB.20230540
Design and Performance Analysis of Indoor VLPC System Based on SSK
本文设计了一个多输入单输出(Multiple-Input Single-Output,MISO)的三维室内可见光定位通信一体化(Visible Light Position and Communication,VLPC)系统,该系统在接收端基于接收信号强度(Received Signal Strength,RSS)的三维可见光定位(Visible Light Position,VLP)算法获得定位数据,同时估计信道状态信息(Channel State Information,CSI)并上传给发射端进行定向通信.该系统的发射端基于空移键控(Space Shift Keying,SSK)的室内可见光通信(Visible Light Communication,VLC)技术实现系统的通信功能.另外,本方案可以完全避免通信与定位子系统之间的干扰.同时,通过推导定位误差的克拉美罗下界(Cramér-Rao Lower Bound,CRLB)和SSK-VLC的通信可达速率来评估本文提出的VLPC系统的性能.仿真结果验证了本文所提方案的有效性.
Abstract
In this paper
a multiple-input single-output (MISO) three-dimensional indoor integrated visible light positioning and communication (VLPC) system is proposed. The system obtains positioning data based on the received signal strength (RSS) three-dimensional visible light position (VLP) algorithm at the receiver; simultaneously estimates the channel state information (CSI) and uploads it to the transmitter for directional communication. The transmitter of this system is based on space shift keying (SSK) indoor visible light communication (VLC) technology to achieve the communication function of the system. Moreover
this scheme can completely avoid interference between communication and positioning subsystems. As a benchmark
we also derive analytical expression of the Cramér-Rao lower bound (CRLB) of the positioning error and the communication achievable rate of SSK-VLC of the VLPC system. The simulation results show the effectiveness of the proposed solutions.
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references
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