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Trellis code‐aided high‐rate M‐QAM space‐time labeling diversity using a unitary expansion.

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Title: Trellis code‐aided high‐rate M‐QAM space‐time labeling diversity using a unitary expansion.
Authors: Dlodlo, Buthanani1 buthananidlodlo@gmail.com, Xu, Hongjun1,2
Source: International Journal of Communication Systems. Jul2018, Vol. 31 Issue 11, p1-1. 12p.
Subjects: Trellis-coded modulation, Quadrature amplitude modulation, Robust control, Network performance, Data transmission systems, Radio transmitter fading
Abstract: Summary: In this paper, we present a high‐rate M‐ary quadrature amplitude modulation (M‐QAM) space‐time labeling diversity (STLD) system that retains the robust error performance of the conventional STLD system. The high‐rate STLD is realised by expanding the conventional STLD via a unitary matrix transformation. Robust error performance of the high‐rate STLD is achieved by incorporating trellis coding into the mapping of additional bits to high‐rate codes. The comparison of spectral efficiency between the proposed trellis code‐aided high‐rate STLD (TC‐STLD) and the conventional STLD shows that TC‐STLD with 16‐QAM and 64‐QAM respectively achieves a 12.5% and 8.3% increase in spectral efficiency for each additional bit sent with the transmitted high‐rate codeword. Moreover, we derive an analytical bound to predict the average bit error probability performance of TC‐STLD over Rayleigh frequency‐flat fading channels. The analytical results are verified by Monte Carlo simulation results, which show that the derived analytical bounds closely predict the average bit error probability performance at high signal‐to‐noise ratios (SNR). Simulation results also show that TC‐STLD with 1 additional bit achieves an insignificant SNR gain of approximately 0.05 dB over the conventional STLD, while TC‐STLD with 2 additional bits achieves an SNR gain of approximately 0.12 dB. [ABSTRACT FROM AUTHOR]
Copyright of International Journal of Communication Systems is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Trellis code‐aided high‐rate M‐QAM space‐time labeling diversity using a unitary expansion.
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  Data: <searchLink fieldCode="AR" term="%22Dlodlo%2C+Buthanani%22">Dlodlo, Buthanani</searchLink><relatesTo>1</relatesTo><i> buthananidlodlo@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Hongjun%22">Xu, Hongjun</searchLink><relatesTo>1,2</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Communication+Systems%22">International Journal of Communication Systems</searchLink>. Jul2018, Vol. 31 Issue 11, p1-1. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Trellis-coded+modulation%22">Trellis-coded modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Quadrature+amplitude+modulation%22">Quadrature amplitude modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Robust+control%22">Robust control</searchLink><br /><searchLink fieldCode="DE" term="%22Network+performance%22">Network performance</searchLink><br /><searchLink fieldCode="DE" term="%22Data+transmission+systems%22">Data transmission systems</searchLink><br /><searchLink fieldCode="DE" term="%22Radio+transmitter+fading%22">Radio transmitter fading</searchLink>
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  Label: Abstract
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  Data: Summary: In this paper, we present a high‐rate M‐ary quadrature amplitude modulation (M‐QAM) space‐time labeling diversity (STLD) system that retains the robust error performance of the conventional STLD system. The high‐rate STLD is realised by expanding the conventional STLD via a unitary matrix transformation. Robust error performance of the high‐rate STLD is achieved by incorporating trellis coding into the mapping of additional bits to high‐rate codes. The comparison of spectral efficiency between the proposed trellis code‐aided high‐rate STLD (TC‐STLD) and the conventional STLD shows that TC‐STLD with 16‐QAM and 64‐QAM respectively achieves a 12.5% and 8.3% increase in spectral efficiency for each additional bit sent with the transmitted high‐rate codeword. Moreover, we derive an analytical bound to predict the average bit error probability performance of TC‐STLD over Rayleigh frequency‐flat fading channels. The analytical results are verified by Monte Carlo simulation results, which show that the derived analytical bounds closely predict the average bit error probability performance at high signal‐to‐noise ratios (SNR). Simulation results also show that TC‐STLD with 1 additional bit achieves an insignificant SNR gain of approximately 0.05 dB over the conventional STLD, while TC‐STLD with 2 additional bits achieves an SNR gain of approximately 0.12 dB. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of International Journal of Communication Systems is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1002/dac.3590
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        Text: English
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        PageCount: 12
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      – SubjectFull: Trellis-coded modulation
        Type: general
      – SubjectFull: Quadrature amplitude modulation
        Type: general
      – SubjectFull: Robust control
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      – SubjectFull: Network performance
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      – SubjectFull: Data transmission systems
        Type: general
      – SubjectFull: Radio transmitter fading
        Type: general
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      – TitleFull: Trellis code‐aided high‐rate M‐QAM space‐time labeling diversity using a unitary expansion.
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              M: 07
              Text: Jul2018
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              Y: 2018
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