Reduced complexity MLSD equalizers based on bidirectional DFEs

Jangwoo Park; Youngsun Ha; Wonzoo Chung

doi:10.1109/ICCE.2011.5722670

Reduced complexity MLSD equalizers based on bidirectional DFEs

Jangwoo Park, Youngsun Ha, Wonzoo Chung

Department of Computer Science and Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We propose a reduced complexity maximum likelihood sequence detection (MLSD) equalizer for large size constellation signals such as 8-VSB using bidirectional decision feedback equalizers (DFEs). We apply reduced-length two-level Viterbi algorithm to select one of two non-identical symbol estimates produced by a bidirectional DFE. Therefore, the computationally expensive MLSD algorithm is applied sparingly for two-level signals with the effective channel length shorter than the original channel, regardless of the original constellation size of the symbols. Simulations results show that the proposed algorithm outperforms existing combination schemes based on bidirectional DFEs, especially for large size constellation.

Original language	English
Title of host publication	2011 IEEE International Conference on Consumer Electronics, ICCE 2011
Pages	437-438
Number of pages	2
DOIs	https://doi.org/10.1109/ICCE.2011.5722670
Publication status	Published - 2011
Event	2011 IEEE International Conference on Consumer Electronics, ICCE 2011 - Las Vegas, NV, United States Duration: 2011 Jan 9 → 2011 Jan 12

Publication series

Name	Digest of Technical Papers - IEEE International Conference on Consumer Electronics
ISSN (Print)	0747-668X

Other

Other	2011 IEEE International Conference on Consumer Electronics, ICCE 2011
Country	United States
City	Las Vegas, NV
Period	11/1/9 → 11/1/12

ASJC Scopus subject areas

Industrial and Manufacturing Engineering
Electrical and Electronic Engineering

Access to Document

10.1109/ICCE.2011.5722670

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Reduced complexity MLSD equalizers based on bidirectional DFEs. / Park, Jangwoo; Ha, Youngsun; Chung, Wonzoo.

2011 IEEE International Conference on Consumer Electronics, ICCE 2011. 2011. p. 437-438 5722670 (Digest of Technical Papers - IEEE International Conference on Consumer Electronics).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Park, J, Ha, Y & Chung, W 2011, Reduced complexity MLSD equalizers based on bidirectional DFEs. in 2011 IEEE International Conference on Consumer Electronics, ICCE 2011., 5722670, Digest of Technical Papers - IEEE International Conference on Consumer Electronics, pp. 437-438, 2011 IEEE International Conference on Consumer Electronics, ICCE 2011, Las Vegas, NV, United States, 11/1/9. https://doi.org/10.1109/ICCE.2011.5722670

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