首页|Research on mobile phone swaying and receiving position in optical camera communication
Research on mobile phone swaying and receiving position in optical camera communication
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NETL
NSTL
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维普
Optical camera communication(OCC)is gaining increasing attention in researches.However,applying it to a real-world scenario may encounter many practical problems,such as the communication device may sway or there may be a position offset between the camera and the light source,which may distort the stripes and make the message unreceivable.To this end,we propose pilot-based stripe area estimation(P-SAE)decoding algorithm,and design a pixels rearrangement(PR)scheme and stripes separation logic decision method(SSLD)to improve the decoding per-formance under sway or receiving position offset.Finally,we build a practical OCC system and carry out experiments to verify the effectiveness of the decoding algorithm.Experimental results show that the lightweight decoding algo-rithm can resist the impact of smartphone sway and receiving position offset on decoding accuracy.
JIANG Keyu、CHI Xuefen、JI Fenglei、LI Shuai
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Department of Communications Engineering,Jilin University,Changchun 130012,China
Natural Science Foundation of the Department of Science and Technology of Jilin Province
NETL
NSTL
万方数据
维普
