Spatially Coupled Turbo Codes: Principles and Finite Length Performance
(2014) The Eleventh International Symposium on Wireless Communication Systems (ISWCS) p.883-887- Abstract
- In this paper, we give an overview of spatially coupled turbo codes (SC-TCs), the spatial coupling of parallel and serially concatenated convolutional codes, recently introduced by the authors. For presentation purposes, we focus on spatially coupled serially concatenated codes (SC-SCCs). We review the main principles of SC-TCs and discuss their exact density evolution (DE) analysis on the binary erasure channel. We also consider the construction of a family of rate-compatible SC-SCCs with simple 4-state component encoders. For all considered code rates, threshold saturation of the belief propagation (BP) to the maximum a posteriori threshold of the uncoupled ensemble is demonstrated, and it is shown that the BP threshold approaches the... (More)
- In this paper, we give an overview of spatially coupled turbo codes (SC-TCs), the spatial coupling of parallel and serially concatenated convolutional codes, recently introduced by the authors. For presentation purposes, we focus on spatially coupled serially concatenated codes (SC-SCCs). We review the main principles of SC-TCs and discuss their exact density evolution (DE) analysis on the binary erasure channel. We also consider the construction of a family of rate-compatible SC-SCCs with simple 4-state component encoders. For all considered code rates, threshold saturation of the belief propagation (BP) to the maximum a posteriori threshold of the uncoupled ensemble is demonstrated, and it is shown that the BP threshold approaches the Shannon limit as the coupling memory increases. Finally we give some simulation results for finite lengths. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4648140
- author
- Graell i Amat, Alexandre ; Moloudi, Saeedeh LU and Lentmaier, Michael LU
- organization
- publishing date
- 2014
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- keywords
- spatial coupling, turbo codes, serial concatenation, parallel concatenation, convolutional codes
- host publication
- 11th International Symposium on Wireless Communications Systems, ISWCS 2014
- pages
- 883 - 887
- publisher
- IEEE - Institute of Electrical and Electronics Engineers Inc.
- conference name
- The Eleventh International Symposium on Wireless Communication Systems (ISWCS)
- conference location
- Barcelona, Spain
- conference dates
- 2014-08-26 - 2014-08-29
- external identifiers
-
- wos:000363906500170
- scopus:84911956822
- ISBN
- 9781479958641
- DOI
- 10.1109/ISWCS.2014.6933478
- language
- English
- LU publication?
- yes
- id
- 85032b61-b81e-43f3-82c4-33c9cf8dcbdd (old id 4648140)
- date added to LUP
- 2016-04-04 11:01:49
- date last changed
- 2022-03-15 22:37:41
@inproceedings{85032b61-b81e-43f3-82c4-33c9cf8dcbdd, abstract = {{In this paper, we give an overview of spatially coupled turbo codes (SC-TCs), the spatial coupling of parallel and serially concatenated convolutional codes, recently introduced by the authors. For presentation purposes, we focus on spatially coupled serially concatenated codes (SC-SCCs). We review the main principles of SC-TCs and discuss their exact density evolution (DE) analysis on the binary erasure channel. We also consider the construction of a family of rate-compatible SC-SCCs with simple 4-state component encoders. For all considered code rates, threshold saturation of the belief propagation (BP) to the maximum a posteriori threshold of the uncoupled ensemble is demonstrated, and it is shown that the BP threshold approaches the Shannon limit as the coupling memory increases. Finally we give some simulation results for finite lengths.}}, author = {{Graell i Amat, Alexandre and Moloudi, Saeedeh and Lentmaier, Michael}}, booktitle = {{11th International Symposium on Wireless Communications Systems, ISWCS 2014}}, isbn = {{9781479958641}}, keywords = {{spatial coupling; turbo codes; serial concatenation; parallel concatenation; convolutional codes}}, language = {{eng}}, pages = {{883--887}}, publisher = {{IEEE - Institute of Electrical and Electronics Engineers Inc.}}, title = {{Spatially Coupled Turbo Codes: Principles and Finite Length Performance}}, url = {{https://lup.lub.lu.se/search/files/5678056/4648145.pdf}}, doi = {{10.1109/ISWCS.2014.6933478}}, year = {{2014}}, }