지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.7 No.4
- 발행연도
- 2012.7
- 수록면
- 570 - 575 (6page)
이용수
초록· 키워드
오류제보하기
In a wireless communication RF transmitter, the output of a quadrature modulator (QM) is distorted by not only the linear imperfection features such as in/quadrature-phase (I/Q) input gain imbalance, local phase imbalance, and local gain imbalance but also the nonlinear imperfection features such as direct current (DC) offset and mixer nonlinearity related to in-band spurious signal. In this paper, we propose the unified QM model to analyze the combined effects of the linear and nonlinear imperfection features on the performance of the QM. The unified QM model consists of two identical nonlinear systems and modified I/Q inputs based on the two-port nonlinear mixer model. The unified QM model shows that the output signals can be expressed by mixer circuit parameters such as intercept point and gain as well as the imperfection features. The proposed approach is validated by not only simulation but also measurement.
목차
Abstract
1. Introduction
2. System Model
3. Proposed Analysis
4. Simulation and experimental results
5. Conclusion
References
참고문헌 (7)
참고문헌 신청
1. [학술지(정기간행물)] - Y.-J. Ko / 2011 / Gain and phase mismatch effects on double image rejection transmitter / IET. Circuits, Devices & Systems 5 (3) : 212 ~ 221
2. [학술지(정기간행물)] - A. Georgiadis / 2004 / Gain, phase imbalance, and phase noise effects on error vector magnitude / IEEE Trans. Veh. Technol. 53 (2) : 443 ~ 449
3. [학술대회논문] - A. Yamaoka / 2010 / Experimental performance evaluation of IQimbalance and DC offset estimation andcompensation technique for 3GPP LTE base station / IEEE MTT-S : 268 ~ 271
4. [학술지(정기간행물)] - S. E. Gunnarsson / 2007 / Analysis and design of millimeter-wave FET-basedimage reject mixers / IEEE Trans. Microwave TheoryTech 55 (10) : 2065 ~ 2074
5. [단행본] - T. H. Lee / 2004 / The Design of CMOS Radio-frequency Integrated Circuits / Cambridge University Press
2. [학술지(정기간행물)] - A. Georgiadis / 2004 / Gain, phase imbalance, and phase noise effects on error vector magnitude / IEEE Trans. Veh. Technol. 53 (2) : 443 ~ 449
3. [학술대회논문] - A. Yamaoka / 2010 / Experimental performance evaluation of IQimbalance and DC offset estimation andcompensation technique for 3GPP LTE base station / IEEE MTT-S : 268 ~ 271
4. [학술지(정기간행물)] - S. E. Gunnarsson / 2007 / Analysis and design of millimeter-wave FET-basedimage reject mixers / IEEE Trans. Microwave TheoryTech 55 (10) : 2065 ~ 2074
5. [단행본] - T. H. Lee / 2004 / The Design of CMOS Radio-frequency Integrated Circuits / Cambridge University Press
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