A construction of turbo-like codes for iterative channel estimation based on probabilistic bias

Keigo Takeuchi, Ralf R. Müller, Mikko Vehkaperä

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

2 Citations (Scopus)

Abstract

A novel signaling scheme for iterative channel estimation and data decoding is proposed. In the proposed scheme, the occurrence probability of transmitted symbols is biased. A priori information about the bias is utilized for the initial channel estimation. The proposed scheme is based on parallel concatenation of two biased convolutional codes (BCCs), which are constructed as systematic recursive convolutional codes with state-dependent puncturing. The BCCs can be regarded as a joint coding scheme that determines the insertion positions of pilot symbols according to information bits. The proposed scheme is numerically shown to outperform conventional pilot-based schemes in the waterfall region, while it is inferior to the conventional schemes in the error-floor region.

Original languageEnglish
Title of host publication2011 IEEE Global Telecommunications Conference, GLOBECOM 2011
ISBN (Electronic)978-1-4244-9267-1, 978-1-4244-9268-8
DOIs
Publication statusPublished - 1 Dec 2011
MoE publication typeA4 Article in a conference publication
Event54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011 - Houston, TX, United States
Duration: 5 Dec 20119 Dec 2011

Publication series

SeriesGlobecom
ISSN1930-529X

Conference

Conference54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011
CountryUnited States
CityHouston, TX
Period5/12/119/12/11

Fingerprint

Convolutional codes
Channel estimation
Piercing
Decoding

Cite this

Takeuchi, K., Müller, R. R., & Vehkaperä, M. (2011). A construction of turbo-like codes for iterative channel estimation based on probabilistic bias. In 2011 IEEE Global Telecommunications Conference, GLOBECOM 2011 [6133738] Globecom https://doi.org/10.1109/GLOCOM.2011.6133738
Takeuchi, Keigo ; Müller, Ralf R. ; Vehkaperä, Mikko. / A construction of turbo-like codes for iterative channel estimation based on probabilistic bias. 2011 IEEE Global Telecommunications Conference, GLOBECOM 2011. 2011. (Globecom).
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Takeuchi, K, Müller, RR & Vehkaperä, M 2011, A construction of turbo-like codes for iterative channel estimation based on probabilistic bias. in 2011 IEEE Global Telecommunications Conference, GLOBECOM 2011., 6133738, Globecom, 54th Annual IEEE Global Telecommunications Conference: "Energizing Global Communications", GLOBECOM 2011, Houston, TX, United States, 5/12/11. https://doi.org/10.1109/GLOCOM.2011.6133738

A construction of turbo-like codes for iterative channel estimation based on probabilistic bias. / Takeuchi, Keigo; Müller, Ralf R.; Vehkaperä, Mikko.

2011 IEEE Global Telecommunications Conference, GLOBECOM 2011. 2011. 6133738 (Globecom).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

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AB - A novel signaling scheme for iterative channel estimation and data decoding is proposed. In the proposed scheme, the occurrence probability of transmitted symbols is biased. A priori information about the bias is utilized for the initial channel estimation. The proposed scheme is based on parallel concatenation of two biased convolutional codes (BCCs), which are constructed as systematic recursive convolutional codes with state-dependent puncturing. The BCCs can be regarded as a joint coding scheme that determines the insertion positions of pilot symbols according to information bits. The proposed scheme is numerically shown to outperform conventional pilot-based schemes in the waterfall region, while it is inferior to the conventional schemes in the error-floor region.

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Takeuchi K, Müller RR, Vehkaperä M. A construction of turbo-like codes for iterative channel estimation based on probabilistic bias. In 2011 IEEE Global Telecommunications Conference, GLOBECOM 2011. 2011. 6133738. (Globecom). https://doi.org/10.1109/GLOCOM.2011.6133738