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Conference Paper Channel Estimation and Compensation Technique for Self-Interference Cancellation in DOCSIS 3.1 System with Full Duplex
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Authors
Myung-Sun Baek, Jin-Hyuk Song, Dong-Joon Choi, Joon-Young Jung
Issue Date
2019-10
Citation
International Conference on Information and Communication Technology Convergence (ICTC) 2019, pp.255-257
Publisher
IEEE
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/ICTC46691.2019.8940004
Abstract
Full duplex is one of the main strategies for improving the spectral efficiency in DOCSIS 3.1 system. For self-interference cancellation of full duplex environment, various distortion elements should be estimated and compensated. Among the distortion elements of self-interference signal, channel distortion between transmission antenna and reception antenna is most dominant distortion element in the full duplex-based DOCSIS 3.1 system. This paper proposes an efficient frequency domain channel estimation and compensation technique of self-interference signal in DOCSIS 3.1 with full duplex. The proposed technique uses high-power data subcarriers as well as pilot symbols. The proposed technique can accomplish higher MER performance than existing channel estimation technique with only pilot symbols.
KSP Keywords
Channel estimation(CE), DOCSIS 3.1, Estimation Technique, Full-Duplex(FuDu), High power, Pilot symbols, Power data, Self-Interference Cancellation, Spectral efficiency(SE), Transmission antenna, compensation technique