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A novel grouped multilevel dynamic space-time trellis coding scheme.

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Title: A novel grouped multilevel dynamic space-time trellis coding scheme.
Authors: Jain, Dharmvir1, Sharma, Sanjay1
Source: International Journal of Communication Systems. 4/1/2015, Vol. 28 Issue 6, p1168-1179. 12p.
Subjects: Trellis-coded modulation, Channel coding, MIMO systems, Error correction (Information theory), Information processing, Performance evaluation
Abstract: Grouped multilevel space-time trellis codes (GMLSTTCs) utilize multilevel coding, antenna grouping and STTCs for simultaneously providing coding gain, diversity improvement and increased spectral efficiency. The performance of GMLSTTCs is limited because of using predefined STTCs as component codes in multilevel coding. GMLSTTCs assume perfect channel state information (CSI) at the receiver only and do not consider the CSI at the transmitter. It has been shown that when perfect or partial CSI is available at the transmitter, the performance and capacity of a space-time coded system can be further improved. In this paper, we present new codes, designed by combining GMLSTTCs and the CSI information at the transmitter, henceforth referred to as grouped multilevel dynamic space-time trellis codes (GMLDSTTCs). A code set having different sets of generator sequences is selected that matches best with the current channel profile. The selected code set is used for generating DSTTCs. DSTTCs are used as component codes in GMLSTTCs instead of predefined STTCs to generate GMLDSTTCs. Analysis and simulation results show that GMLDSTTCs outperform GMLSTTCs. Copyright © 2014 John Wiley & Sons, Ltd. [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: A novel grouped multilevel dynamic space-time trellis coding scheme.
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  Data: <searchLink fieldCode="AR" term="%22Jain%2C+Dharmvir%22">Jain, Dharmvir</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sharma%2C+Sanjay%22">Sharma, Sanjay</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Journal+of+Communication+Systems%22">International Journal of Communication Systems</searchLink>. 4/1/2015, Vol. 28 Issue 6, p1168-1179. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Trellis-coded+modulation%22">Trellis-coded modulation</searchLink><br /><searchLink fieldCode="DE" term="%22Channel+coding%22">Channel coding</searchLink><br /><searchLink fieldCode="DE" term="%22MIMO+systems%22">MIMO systems</searchLink><br /><searchLink fieldCode="DE" term="%22Error+correction+%28Information+theory%29%22">Error correction (Information theory)</searchLink><br /><searchLink fieldCode="DE" term="%22Information+processing%22">Information processing</searchLink><br /><searchLink fieldCode="DE" term="%22Performance+evaluation%22">Performance evaluation</searchLink>
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  Label: Abstract
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  Data: Grouped multilevel space-time trellis codes (GMLSTTCs) utilize multilevel coding, antenna grouping and STTCs for simultaneously providing coding gain, diversity improvement and increased spectral efficiency. The performance of GMLSTTCs is limited because of using predefined STTCs as component codes in multilevel coding. GMLSTTCs assume perfect channel state information (CSI) at the receiver only and do not consider the CSI at the transmitter. It has been shown that when perfect or partial CSI is available at the transmitter, the performance and capacity of a space-time coded system can be further improved. In this paper, we present new codes, designed by combining GMLSTTCs and the CSI information at the transmitter, henceforth referred to as grouped multilevel dynamic space-time trellis codes (GMLDSTTCs). A code set having different sets of generator sequences is selected that matches best with the current channel profile. The selected code set is used for generating DSTTCs. DSTTCs are used as component codes in GMLSTTCs instead of predefined STTCs to generate GMLDSTTCs. Analysis and simulation results show that GMLDSTTCs outperform GMLSTTCs. Copyright © 2014 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]
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  Label:
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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.2754
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      – Code: eng
        Text: English
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        PageCount: 12
        StartPage: 1168
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      – SubjectFull: Trellis-coded modulation
        Type: general
      – SubjectFull: Channel coding
        Type: general
      – SubjectFull: MIMO systems
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      – SubjectFull: Error correction (Information theory)
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      – SubjectFull: Information processing
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      – SubjectFull: Performance evaluation
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              M: 04
              Text: 4/1/2015
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              Y: 2015
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