A modified iterative packet combining scheme for intersymbol interference channels

Xiang Cheng, Dong Feng Yuan, Cheng Xiang Wang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We study Iterative Combining (IC) technique for hybrid Automatic Repeat reQuset (ARQ) scheme over Inter-Symbol Interference (ISI) channels. By utilizing the Extrinsic Information Transfer (EXIT) chart, we study the performance of the IC and find that the IC technique has a very good convergence behavior in the first little iteration, but it has a bad error floor, especially at the low Signal-to-Noise Ratio (SNR). In this paper, we propose a modified IC scheme to overcome the shortcoming of the traditional IC We study the receiver from another aspect in order to acquire a serial concatenation turbo-like scheme, and then we can combine the parallel (IC) and the serial concatenation turbo-like scheme together to propose a modified IC scheme. In this modified IC scheme, the EXIT chart as a balance switch between the two turbo-like schemes. It is shown that the proposed modified IC scheme provides excellent performance both analytically and through simulations without any computational complexity increase. © 2006 IEEE.

Original languageEnglish
Title of host publication2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System
Pages712-716
Number of pages5
Volume2
DOIs
Publication statusPublished - 2006
Event2006 International Conference on Communications, Circuits and Systems - Guilin, China
Duration: 25 Jun 200628 Jun 2006

Conference

Conference2006 International Conference on Communications, Circuits and Systems
Abbreviated titleICCCAS
CountryChina
CityGuilin
Period25/06/0628/06/06

Fingerprint

Intersymbol interference
Computational complexity
Signal to noise ratio
Switches

Cite this

Cheng, X., Yuan, D. F., & Wang, C. X. (2006). A modified iterative packet combining scheme for intersymbol interference channels. In 2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System (Vol. 2, pp. 712-716) https://doi.org/10.1109/ICCCAS.2006.284754
Cheng, Xiang ; Yuan, Dong Feng ; Wang, Cheng Xiang. / A modified iterative packet combining scheme for intersymbol interference channels. 2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System. Vol. 2 2006. pp. 712-716
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Cheng, X, Yuan, DF & Wang, CX 2006, A modified iterative packet combining scheme for intersymbol interference channels. in 2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System. vol. 2, pp. 712-716, 2006 International Conference on Communications, Circuits and Systems, Guilin, China, 25/06/06. https://doi.org/10.1109/ICCCAS.2006.284754

A modified iterative packet combining scheme for intersymbol interference channels. / Cheng, Xiang; Yuan, Dong Feng; Wang, Cheng Xiang.

2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System. Vol. 2 2006. p. 712-716.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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N2 - We study Iterative Combining (IC) technique for hybrid Automatic Repeat reQuset (ARQ) scheme over Inter-Symbol Interference (ISI) channels. By utilizing the Extrinsic Information Transfer (EXIT) chart, we study the performance of the IC and find that the IC technique has a very good convergence behavior in the first little iteration, but it has a bad error floor, especially at the low Signal-to-Noise Ratio (SNR). In this paper, we propose a modified IC scheme to overcome the shortcoming of the traditional IC We study the receiver from another aspect in order to acquire a serial concatenation turbo-like scheme, and then we can combine the parallel (IC) and the serial concatenation turbo-like scheme together to propose a modified IC scheme. In this modified IC scheme, the EXIT chart as a balance switch between the two turbo-like schemes. It is shown that the proposed modified IC scheme provides excellent performance both analytically and through simulations without any computational complexity increase. © 2006 IEEE.

AB - We study Iterative Combining (IC) technique for hybrid Automatic Repeat reQuset (ARQ) scheme over Inter-Symbol Interference (ISI) channels. By utilizing the Extrinsic Information Transfer (EXIT) chart, we study the performance of the IC and find that the IC technique has a very good convergence behavior in the first little iteration, but it has a bad error floor, especially at the low Signal-to-Noise Ratio (SNR). In this paper, we propose a modified IC scheme to overcome the shortcoming of the traditional IC We study the receiver from another aspect in order to acquire a serial concatenation turbo-like scheme, and then we can combine the parallel (IC) and the serial concatenation turbo-like scheme together to propose a modified IC scheme. In this modified IC scheme, the EXIT chart as a balance switch between the two turbo-like schemes. It is shown that the proposed modified IC scheme provides excellent performance both analytically and through simulations without any computational complexity increase. © 2006 IEEE.

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Cheng X, Yuan DF, Wang CX. A modified iterative packet combining scheme for intersymbol interference channels. In 2006 International Conference on Communications, Circuits and Systems, ICCCAS, Proceedings - Communication Theory and System. Vol. 2. 2006. p. 712-716 https://doi.org/10.1109/ICCCAS.2006.284754