Low-complexity maximum-likelihood decoder for four-transmit-antenna quasi-orthogonal space-time block code
This letter proposes a very low-complexity maximum-likelihood (ML) detection algorithm based on QR decomposition for the quasi-orthogonal space-time block code (QSTBC) with four transmit antennas, called the LC-ML decoder. The proposed algorithm enables the QSTBC to achieve ML performance with signi...
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| Vydáno v: | IEEE transactions on communications Ročník 53; číslo 11; s. 1817 - 1821 |
|---|---|
| Hlavní autoři: | , , , |
| Médium: | Journal Article |
| Jazyk: | angličtina |
| Vydáno: |
New York, NY
IEEE
01.11.2005
Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Témata: | |
| ISSN: | 0090-6778, 1558-0857 |
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| Abstract | This letter proposes a very low-complexity maximum-likelihood (ML) detection algorithm based on QR decomposition for the quasi-orthogonal space-time block code (QSTBC) with four transmit antennas, called the LC-ML decoder. The proposed algorithm enables the QSTBC to achieve ML performance with significant reduction in computational load for any high-level modulation scheme. |
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| AbstractList | This letter proposes a very low-complexity maximum-likelihood (ML) detection algorithm based on QR decomposition for the quasi-orthogonal space-time block code (QSTBC) with four transmit antennas, called the LC-ML decoder. The proposed algorithm enables the QSTBC to achieve ML performance with significant reduction in computational load for any high-level modulation scheme. |
| Author | Van-Su Pham Linh Mai Giwan Yoon Minh-Tuan Le |
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| Cites_doi | 10.1109/26.898239 10.1109/acssc.2003.1292080 10.1109/18.771146 10.1109/ICASSP.2001.940504 10.1109/TCOMM.2003.809753 10.1109/9780470545287 10.1109/4234.846498 10.1109/49.730453 10.1109/TIT.2002.808119 10.56021/9781421407944 |
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| Keywords | Performance evaluation MIMO system Block code Space-time codes maximum-likelihood (ML) detection Wireless telecommunication space-time coding Diversity multiple-input multiple-output (MIMO) Algorithm Computational complexity Maximum likelihood decoding wireless communication Transmitting antenna Modulation QR factorization Maximum likelihood |
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| SubjectTerms | Algorithms Amplitude modulation Antennas Applied sciences Block codes Coding, codes Computation Decoders Decomposition Diversity Diversity reception Exact sciences and technology Information, signal and communications theory Maximum likelihood decoding Maximum likelihood detection maximum-likelihood (ML) detection MIMO Modulation Modulation, demodulation multiple-input multiple-output (MIMO) Radiocommunications Random variables Receiving antennas Reduction Signal and communications theory space-time coding Telecommunications Telecommunications and information theory Transmitting antennas Wireless communication |
| Title | Low-complexity maximum-likelihood decoder for four-transmit-antenna quasi-orthogonal space-time block code |
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