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[학술저널]

  • 학술저널

Haesoon Lee(Yonsei University) Dongkyu Kim(Yonsei University) Jinmin Kim(LG electronics) Daesik Hong(Yonsei University)

초록

How well the self-interference cancellation (SIC) technique performs is a primary issue in realizing an in-band full-duplex (FD) wireless communication system. One factor affecting its performance is channel estimation error on the self-interference channel. We propose a new analog SIC scheme which is robust to channel estimation error. It uses phase rotators in the radio frequency (RF) chain. We also derive closed-form equations for the residual self-interference of the proposed and the conventional schemes. The analytical and numerical results show that the residual self-interference under the proposed SIC scheme is less than that using the conventional scheme, even though channel estimation error is present.

목차

Abstract
1. Introduction
2. System Model
3. Phase Rotator-based SIC
4. Performance Analysis
5. Numerical Results and Discussion
6. Conclusion
References

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