Abstract
In this letter, we propose an improved Quasi-orthogonal space-time block code (QOSTBC) with full rate, full diversity, linear decoding and better peak-to-average power ratio (PAPR). Constellation rotation is used to the input symbol vector to ensure full diversity, and then the information symbol vector is interleaved in coordinates and pre-grouped by using a Given rotation matrix. The performance is evaluated by numerical experiments. The PAPR of our proposed QOSTBC is lower than that of CI-QOSTBC in Khan and Rajan (IEEE Trans Inf Theory 52(5):2062–2091, 2006). Meanwhile, the Bit-error-rate versus Signal-to-noise-ratio of our proposed QOSTBC is better than those of OSTBC (Tarokh et al. in IEEE Trans Inf Theory 45(5):1456–1467, 1999) QOSTBC (Jafarkhani in IEEE Trans Wirel Commun 49(1):1–4, 2001), G-QOSTBC (Park et al. in IEEE Commun Lett 12(12):868–870, 2008), slightly better that of the CI-QOSTBC, and as same as that of the recently proposed Minimum Decoding Complexity QOSTBCs (MDC-QOSTBC) in Yuen et al.(IEEE Trans Wirel Commun 4(5):2089–2098, 2005), Wang and Xia (IEEE Trans Inf Theory 55(3):1104–1130, 2009). Compared with MDC-QOSTBC, the proposed QOSTBC has simpler code construct and lower decoding complexity.
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References
Alamouti S. M. (1998) A simple transmitter diversity scheme for wireless communications. IEEE Journal on Selected Areas in Communication 16(8): 1451–1458
Tarokh V., Seshadri N., Calderbank A. R. (1998) Space-time codes for high data rate wireless communication: performance criterion and code construction. IEEE Transactions on Information Theory 44(2): 744–765
Tarokh V., Jafarkhani H., Calderbank A. R. (1999) Space-time block codes from orthogonal designs. IEEE Transactions on Information Theory 45(5): 1456–1467
Jafarkhani H. (2001) A quasi-orthogonal space-time block code. IEEE Transactions on Wireless Communications 49(1): 1–4
Park U., Kim S., Lim K., Li J. (2008) A novel QOSTBC scheme with linear decoding for three and four transmit antennas. IEEE Communications letters 12(12): 868–870
Khan M., Rajan B. S. (2006) Single-symbol maximum likelihood decodable linear STBCs. IEEE Transactions on Information Theory 52(5): 2062–2091
Yuen C., Guan Y., Tjhung T. T. (2005) Quasi-orthogonal STBC with minimum decoding complexity. IEEE Transactions on Wireless Communications 4(5): 2089–2094
Wang D., Xia X. G. (2009) On optimal quasi-orthogonal space-time block code with minimum decoding complexity. IEEE Transactions on Information Theory 55(3): 1104–1130
Dayal P., Varanasi M. K. (2005) Maximal diversity algebraic space-time codes with low peak-to-mean power ratio. IEEE Transactions on Information Theory 51(5): 1691–1708
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Pham, VB., Qi, BY., Sheng, WX. et al. An Improved Full Rate Full Diversity QOSTBC with Linear Decoding in MIMO Systems. Wireless Pers Commun 69, 121–131 (2013). https://doi.org/10.1007/s11277-012-0564-z
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DOI: https://doi.org/10.1007/s11277-012-0564-z