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Journal Article A Robust ICI Suppression Based on an Adaptive Equalizer for Very Fast Time-Varying Channels in LTE-R Systems
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Authors
Hanbyeog Cho, Tien Hoa Nguyen, Huu Nghia Nguyen, Hyun-Kyun Choi, Jin-Kyu Choi, Soonghwan Ro, Van Duc Nguyen
Issue Date
2018-01
Citation
EURASIP Journal on Wireless Communications and Networking, v.2018, pp.1-7
ISSN
1687-1499
Publisher
Hindawi Publishing, Springer
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1186/s13638-018-1026-4
Project Code
17GS1100, Standardization of radio communication networks for conventional and high speed railway , Cho Han Byeog
Abstract
High-speed railway communication implemented based on Long-Term Evolution-Railway (LTE-R) Platform has strict requirements for quality of services to support high data-rate transmission for numerous mobile users. In such environment, there often exists inter-carrier interference. In this paper, we exploit a robust channel estimation method in the time domain for very fast time-varying LTE-railway channels, and then, we propose an effective and adaptive frequency-domain equalizer that can offer a tradeoff between performance and computational complexity. The simulation results show the robustness of our proposed method compared with previous ones. The computational complexity of the proposed method retain at a decent number by exploiting specified properties of channel matrices.
KSP Keywords
Adaptive equalizer, Channel estimation(CE), Computational complexity, Estimation method, High data rate, High-speed railway communications, Intercarrier interference(ICI), LTE-Railway, Long term Evolution(LTE), Robust channel estimation, Time-varying channels
This work is distributed under the term of Creative Commons License (CCL)
(CC BY)
CC BY