Relay Selection and Power Allocation in Amplify-and-Forward Cognitive Radio Networks: A Special Spectrum Sharing Scheme
ZHAO Da-qian* (赵大骞), PEI Er-rong (裴二荣), ZHANG Zhi-zhong (张治中)
Journal of shanghai Jiaotong University (Science) . 2015, (4): 403 -407 .  DOI: 10.1007/s12204-015-1642-7