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eess.SP2020
UAV-Assisted Secure Communications in Terrestrial Cognitive Radio Networks: Joint Power Control and 3D Trajectory Optimization
Phu X. Nguyen, Van-Dinh Nguyen, Hieu V. Nguyen +1
This paper considers secure communications for an underlay cognitive radio network (CRN) in the presence of an external eavesdropper (Eve). The secrecy performance of CRNs is usual…
eess.SP2017
An Efficient Spectral Leakage Filtering for IEEE 802.11af in TV White Space
Phu Xuan Nguyen, Thinh Hung Pham, Trang Hoang +1
Orthogonal frequency division multiplexing (OFDM) has been widely adopted for modern wireless standards and become a key enabling technology for cognitive radios. However, one of i…