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Rate-Compatible Protograph-Based LDPC Codes for Inter-Symbol Interference Channels.

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Titel: Rate-Compatible Protograph-Based LDPC Codes for Inter-Symbol Interference Channels.
Autoren: Nguyen, Thuy Van, Nosratinia, Aria, Divsalar, Dariush
Quelle: IEEE Communications Letters; Aug2013, Vol. 17 Issue 8, p1632-1635, 4p
Abstract: This letter produces a family of rate-compatible protograph-based LDPC codes approaching the independent and uniformly distributed (i.u.d.) capacity of inter-symbol interference (ISI) channels. This problem is highly nontrivial due to the joint design of structured (protograph-based) LDPC codes and the state structure of ISI channels. We describe a method to design nested high-rate protograph codes by adding variable nodes to the protograph of a lower rate code. We then design a family of rate-compatible protograph codes using the extension method. The resulting protograph codes have iterative decoding thresholds close to the i.u.d. capacity. Our results are supported by numerical simulations. [ABSTRACT FROM PUBLISHER]
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  Data: Rate-Compatible Protograph-Based LDPC Codes for Inter-Symbol Interference Channels.
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  Data: <searchLink fieldCode="AR" term="%22Nguyen%2C+Thuy+Van%22">Nguyen, Thuy Van</searchLink><br /><searchLink fieldCode="AR" term="%22Nosratinia%2C+Aria%22">Nosratinia, Aria</searchLink><br /><searchLink fieldCode="AR" term="%22Divsalar%2C+Dariush%22">Divsalar, Dariush</searchLink>
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  Data: IEEE Communications Letters; Aug2013, Vol. 17 Issue 8, p1632-1635, 4p
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: This letter produces a family of rate-compatible protograph-based LDPC codes approaching the independent and uniformly distributed (i.u.d.) capacity of inter-symbol interference (ISI) channels. This problem is highly nontrivial due to the joint design of structured (protograph-based) LDPC codes and the state structure of ISI channels. We describe a method to design nested high-rate protograph codes by adding variable nodes to the protograph of a lower rate code. We then design a family of rate-compatible protograph codes using the extension method. The resulting protograph codes have iterative decoding thresholds close to the i.u.d. capacity. Our results are supported by numerical simulations. [ABSTRACT FROM PUBLISHER]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of IEEE Communications Letters is the property of IEEE 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: 10.1109/LCOMM.2013.060513.130498
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        Text: English
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      – TitleFull: Rate-Compatible Protograph-Based LDPC Codes for Inter-Symbol Interference Channels.
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              Text: Aug2013
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