TY - JOUR
T1 - Prioritized Secondary User Access Control in Cognitive Radio Networks
AU - Wang, Huaxia
AU - Yao, Yu Dong
AU - Peng, Shengliang
N1 - Publisher Copyright:
© 2013 IEEE.
PY - 2018/2/28
Y1 - 2018/2/28
N2 - In cognitive radio networks, a secondary user access control (SUAC) technique has been utilized to improve network management and system security, in which a jamming signal is injected to degrade the spectrum sensing performance of unauthorized secondary users. In the meantime, it ensures reliable spectrum sensing performance for authorized secondary users (A-SUs). In order to introduce spectrum access priorities among A-SUs, a prioritized SUAC (P-SUAC) technique is investigated in this paper. A projection-based jamming cancellation method is considered, where the singular value decomposition operation is applied in computing prioritized projection operators. An orthogonal frequency-division multiplexing technique is considered as a transmission model, and the energy detection method is used for secondary user spectrum sensing. Simulation results illustrate the effectiveness of the proposed P-SUAC method in providing the A-SUs with different access priorities.
AB - In cognitive radio networks, a secondary user access control (SUAC) technique has been utilized to improve network management and system security, in which a jamming signal is injected to degrade the spectrum sensing performance of unauthorized secondary users. In the meantime, it ensures reliable spectrum sensing performance for authorized secondary users (A-SUs). In order to introduce spectrum access priorities among A-SUs, a prioritized SUAC (P-SUAC) technique is investigated in this paper. A projection-based jamming cancellation method is considered, where the singular value decomposition operation is applied in computing prioritized projection operators. An orthogonal frequency-division multiplexing technique is considered as a transmission model, and the energy detection method is used for secondary user spectrum sensing. Simulation results illustrate the effectiveness of the proposed P-SUAC method in providing the A-SUs with different access priorities.
KW - Cognitive radio (CR)
KW - access control
KW - jamming
KW - prioritized access control
KW - spectrum sensing
UR - http://www.scopus.com/inward/record.url?scp=85042855528&partnerID=8YFLogxK
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U2 - 10.1109/ACCESS.2018.2811341
DO - 10.1109/ACCESS.2018.2811341
M3 - Article
AN - SCOPUS:85042855528
VL - 6
SP - 11007
EP - 11016
JO - IEEE Access
JF - IEEE Access
ER -