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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.3
- 수록면
- 70 - 75 (6page)
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초록· 키워드
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In this paper, we considered heterogeneous spectrum sharing system where the number of subcarriers of the primary user (PU) was twice as much as that of the secondary user (SU). In this case, due to non-orthogonality and inter-carrier interference (ICI) from SU to PU, it is difficult to satisfy the interference constraint of PU. In order to mitigate ICI and satisfy the interference constraint, we proposed a new transmission scheme of the SU with power allocation scheme. The proposed scheme will only generate subcarrierby - subcarrier interference. Therefore, it can easily satisfy the interference constraint of the PR and enhance the capacity of the SU. In addition, we derived the ergodic capacity of the SU. Based on numerical results, we confirmed that the proposed schemes could guarantee SU with a reliable capacity while satisfying the interference constraint of the PU. In addition, the derived capacity well matched the numerical results.
목차
ABSTRACT
1. INTRODUCTION
2. SYSTEM MODEL OF HETEROGENEOUS SPECTRUM SHARING SYSTEMS
3. THE PROPOSED TRANSMISSION SCHEME AND POWER ALLOCATION OF SU
4. SIMULATION RESULTS
5. CONCLUSIONS
REFERENCES
참고문헌 (10)
참고문헌 신청
[학술지(정기간행물)] - S. Haykin / 2005 / Cognitive radio: brain-empowered wireless communications / IEEE Signal Processing Mag 23 (2) : 201 ~ 220
[학술지(정기간행물)] - J. M. Peha / 2005 / Approaches to spectrum sharing / IEEE Commun. Mag 43 (2) : 10 ~ 12
[학술지(정기간행물)] - A. J. Goldsmith / 2009 / Breaking spectrum gridlock with cognitive radios: an information theoretic perspective / Proc. IEEE 97 (5) : 894 ~ 914
[학술지(정기간행물)] - A. Ghasemi / 2007 / Fundamental limits of spectrum-sharing in fading environments / IEEE Trans. Wireless Commun. 6 (2) : 649 ~ 658
[학술지(정기간행물)] - H. Wang / 2010 / Capacity enhancement of secondary links through spatial diversity in spectrum sharing / IEEE Trans. Wireless Commun 9 (2)
[학술지(정기간행물)] - J. M. Peha / 2005 / Approaches to spectrum sharing / IEEE Commun. Mag 43 (2) : 10 ~ 12
[학술지(정기간행물)] - A. J. Goldsmith / 2009 / Breaking spectrum gridlock with cognitive radios: an information theoretic perspective / Proc. IEEE 97 (5) : 894 ~ 914
[학술지(정기간행물)] - A. Ghasemi / 2007 / Fundamental limits of spectrum-sharing in fading environments / IEEE Trans. Wireless Commun. 6 (2) : 649 ~ 658
[학술지(정기간행물)] - H. Wang / 2010 / Capacity enhancement of secondary links through spatial diversity in spectrum sharing / IEEE Trans. Wireless Commun 9 (2)
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