H Xu, Y Zhao, L Zhang, J Wang - IEEE Access, 2019 - ieeexplore.ieee.org
… To fulfill different QoS based requests, the threshold parameter ξ1 and ξ2 in (2) are set to
1 and 0.9, respectively. The coefficients a1 and a2 are set to 8 and 10, and the parameter r is …