Abstract
An approach combining optimal antenna subset selection with blind detection scheme for Orthogonal Space-Time Block Coding (OSTBC) is proposed in this paper. The optimal antenna subset selection is taken into account at transmitter and/or receiver sides, which chooses the optimal antennas to increase the diversity order of OSTBC and improve further its performance. In order to enhance the robustness of the detection used in the conventional OSTBC scheme, a blind detection scheme based on Independent Component Analysis (ICA) is exploited which can directly extract transmitted signals without channel estimation. Performance analysis shows that the proposed approach can achieve the full diversity and the flexibility of system design by using the antenna selection and the ICA based blind detection schemes.
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Partially supported by National Natural Science Foundation of China (60572105), Open Foundations of the State Key Laboratory of Mobile Communications (A200508), the State Key Lab of Integrated Services Networks (ISN7-02), and the Program for New Century Excellent Talents (NCET-05-0582) in University.
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Xu, H., Liu, J. & Gu, B. Optimal antenna subset selection and blind detection approach applied to orthogonal space-time block coding. J. of Electron.(China) 24, 150–156 (2007). https://doi.org/10.1007/s11767-005-0101-2
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DOI: https://doi.org/10.1007/s11767-005-0101-2
Key words
- Orthogonal Space-Time Block Coding (OSTBC)
- Antenna subset selection
- Independent Component Analysis (ICA)
- Channel State Information (CSI)