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
- 발행연도
- 2020.3
- 수록면
- 207 - 211 (5page)
- DOI
- 10.5302/J.ICROS.2020.19.0133
이용수
초록· 키워드
오류제보하기
This study introduces hybrid spectrum sensing using multiple spectrum sensors for backup channel search. Hybrid spectrum sensing combines parallel and serial spectrum sensing. In hybrid spectrum sensing, parallel spectrum sensing of the first step is performed for all the frequency channels of one channel group. These multiple frequency channels are simultaneously sensed by parallel spectrum sensors. All channel groups are then sensed by serial spectrum sensing of the second step. A system model for performance evaluation is also suggested based on the mean channel search time to search the backup channel. The numerical results suggest the optimal channel sensing time using the mean channel search time of hybrid spectrum sensing in the case of a cognitive radio device hardware structure with multiple spectrum sensors.
목차
Abstract
I. INTRODUCTION
II. SYSTEM MODEL
III. NUMERICAL RESULTS
IV. CONCLUSION
REFERENCES
참고문헌 (12)
참고문헌 신청
Federal Communications Commission, “Spectrum policy task force report,” FCC 02-155, Nov. 2002.
IEEE 802.22 WG, “Draft standard for wireless regional area networks part 22,” IEEE P802.22/D0.3, 2007.
A. Ghasemi and E.S. Sousa, “Optimization of spectrum sensing for opportunistic spectrum access in cognitive radio networks,” Proceedings of the 4th IEEE Consumer Communications and Networking Conference, pp. 1022-1026, 2007.
Y.C. Liang, Y. Zeng, and E. Peh, T. Hoang, “Sensingthroughput tradeoff for cognitive radio networks,” IEEE Transactions on Wireless Communications, vol. 7, no. 4, pp. 1326-1337, 2008.
B.-J. Kang and Y.-S. Nam, “Sensing optimization for a receiver structure in cognitive radio systems,” International Journal of KIMICS, vol. 9, no. 1, 2011.
IEEE 802.22 WG, “Draft standard for wireless regional area networks part 22,” IEEE P802.22/D0.3, 2007.
A. Ghasemi and E.S. Sousa, “Optimization of spectrum sensing for opportunistic spectrum access in cognitive radio networks,” Proceedings of the 4th IEEE Consumer Communications and Networking Conference, pp. 1022-1026, 2007.
Y.C. Liang, Y. Zeng, and E. Peh, T. Hoang, “Sensingthroughput tradeoff for cognitive radio networks,” IEEE Transactions on Wireless Communications, vol. 7, no. 4, pp. 1326-1337, 2008.
B.-J. Kang and Y.-S. Nam, “Sensing optimization for a receiver structure in cognitive radio systems,” International Journal of KIMICS, vol. 9, no. 1, 2011.
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