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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국정보통신학회JICCE Journal of information and communication convergence engineering Journal of information and communication convergence engineering Vol.13 No.4
- 발행연도
- 2015.12
- 수록면
- 221 - 227 (7page)
이용수
초록· 키워드
오류제보하기
Spectrum sensing plays an essential role in a cognitive radio network, which enables opportunistic access to an underutilized licensed spectrum. In conventional cooperative spectrum sensing (CSS), all cognitive users (CUs) in the network spend the same amount of time on spectrum sensing and waste time in remaining silent when other CUs report their sensing results to the fusion center. This problem is solved by the superposition cooperative spectrum sensing (SPCSS) scheme, where the sensing time of a CU is extended to the reporting time of the other CUs. Subsequently, SPCSS assigns the CUs different sensing times and thus affects both the sensing performance and the throughput of the system. In this paper, we propose an algorithm to determine the optimal sensing time of each CU for SPCSS that maximizes the achieved system throughput. The simulation results prove that the proposed scheme can significantly improve the throughput of the cognitive radio network compared with the conventional CSS.
목차
Abstract
I. INTRODUCTION
II. SYSTEM MODEL
III. OPTIMAL SENSING TIME FOR SUPERPOSITION COOPERATIVE SPECTRUM SENSING
IV. SIMULATION RESULTS
V. CONCLUSION
REFERENCES
참고문헌 (13)
참고문헌 신청
[보고서] - Federal Communications Commission / 2002 / Spectrum Policy Task Force Report
[학술대회논문] - Y. Hur / 2006 / A wideband analog multi-resolution spectrum sensing (MRSS) technique for cognitive radio (CR) systems / Proceedings of 2006 IEEE International Symposium on Circuits and Systems (ISCAS2006) : 4090 ~ 4093
[학술대회논문] - A. Sahai / 2004 / Some fundamental limits on cognitive radio / Proceedings of Allerton Conference on Communications, Control and Computing : 1662 ~ 1671
[학술대회논문] - G. Ganesan / 2005 / Cooperative spectrum sensing in cognitive radio networks / Proceedings of 2005 First IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN2005) : 137 ~ 143
[학술지(정기간행물)] - C. You / 2011 / Cooperative TV spectrum sensing in cognitive radio for Wi-Fi networks / IEEE Transactions on Consumer Electronics 57 (1) : 62 ~ 67
[학술대회논문] - Y. Hur / 2006 / A wideband analog multi-resolution spectrum sensing (MRSS) technique for cognitive radio (CR) systems / Proceedings of 2006 IEEE International Symposium on Circuits and Systems (ISCAS2006) : 4090 ~ 4093
[학술대회논문] - A. Sahai / 2004 / Some fundamental limits on cognitive radio / Proceedings of Allerton Conference on Communications, Control and Computing : 1662 ~ 1671
[학술대회논문] - G. Ganesan / 2005 / Cooperative spectrum sensing in cognitive radio networks / Proceedings of 2005 First IEEE International Symposium on New Frontiers in Dynamic Spectrum Access Networks (DySPAN2005) : 137 ~ 143
[학술지(정기간행물)] - C. You / 2011 / Cooperative TV spectrum sensing in cognitive radio for Wi-Fi networks / IEEE Transactions on Consumer Electronics 57 (1) : 62 ~ 67
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