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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
- 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.