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DSTBC experimental research on UV communication system

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Abstract

Diversity gain can be obtained by applying the space–time block code (STBC) technology to ultraviolet (UV) communication. However, some STBCs, for example, the Alamouti code, quite depend on the acquisition of UV channel state information (CSI) because the accuracy of the obtained CSI influences the quality of the received signal and finally influences the system performance. Yet it is not easy to precisely obtain CSI, and this will affect the validity of some STBC decoding. To solve this problem, this paper tends to study the application of differential space–time block code (DSTBC) technology in the UV communication system. The validity with the exact diversity gain is verified with simulation and experimental results. The processes of the transmitters and receivers in \(2\times 2\) DSTBC are analyzed, and the different UV system performances in different communication situations are acquired. The algorithm complexity of DSTBC is compared with that of Alamouti code. The conclusion then is that the advantage of the DSTBC scheme with no requirement of obtaining real-time CSI is found in the fast time-varying and quick decaying UV channel.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant Nos. 61271178 and 61471052) and the Research Innovation Fund for College Students of Beijing University of Posts and Telecommunications.

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Authors and Affiliations

  1. Key Lab of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, No. 10 Xitucheng Road, Beijing, 100876, China

    Li Guo, Xidong Mu, Xin Pan, Kunlun Liu & Dedan Meng

  2. Institute of Information Photonics and Optical Communications, No. 10 Xitucheng Road, Beijing, 100876, China

    Dahai Han

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  1. Li Guo
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  2. Xidong Mu
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  3. Xin Pan
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  4. Kunlun Liu
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  5. Dedan Meng
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  6. Dahai Han
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Correspondence to Li Guo.

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Guo, L., Mu, X., Pan, X. et al. DSTBC experimental research on UV communication system. Photon Netw Commun 33, 69–76 (2017). https://doi.org/10.1007/s11107-016-0619-2

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  • DOI: https://doi.org/10.1007/s11107-016-0619-2

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