Most broadband microstrip antennae are implemented in the form of slot structure or laminate structure,which provide a broad impedance bandwidth and meanwhile b
A downlink radio resource allocation algorithm is proposed for orthogonal frequency division multiple access( OFDMA) systems. The resource allocation problem ab
Based on dynamic surface control and the nonlinear disturbance observer technique,it proposes a nonlinear adaptive backstepping global sliding mode control syst
A new calculation method of fractional order [proportional integral ]( FO [PI ]) controller parameters is proposed. And the systematic design schemes of fractio