DSTBC experimental research on UV communication system

DSTBC experimental research on UV communication system 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 $$2\times 2$$ 2 × 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photonic Network Communications Springer Journals

DSTBC experimental research on UV communication system

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Publisher
Springer US
Copyright
Copyright © 2016 by Springer Science+Business Media New York
Subject
Computer Science; Computer Communication Networks; Electrical Engineering; Characterization and Evaluation of Materials
ISSN
1387-974X
eISSN
1572-8188
D.O.I.
10.1007/s11107-016-0619-2
Publisher site
See Article on Publisher Site

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 $$2\times 2$$ 2 × 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.

Journal

Photonic Network CommunicationsSpringer Journals

Published: Mar 11, 2016

References

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