Otherwise, sg can be calculated by Ε(𝑧𝑔/max(𝑝𝑔(𝑡),𝑧𝑔))Ε(zg/max(pg(t),zg)), if NPN g requires its performance to be no larger than zg, where E(x) means to calculate the expectation of x [17]. pg(t) is the instantaneous performance corresponding to qg. ...