A method performed by a network node of a radio network, for configuring a wireless link to be used for controlling a process at a wireless Machine Type Communication, MTC, device, said process involving application of automatic control, said process further involving communication of control signals and feedback signals over the wireless link, the method being characterized by comprising: - sending a request message to the wireless device, the request message comprising a request for performance requirements of the wireless link needed for the communication of control signals and feedback signals, the performance requirements being defined by link quality parameters such as acceptable delay and required bandwidth or data rate that the wireless link must satisfy, wherein the request message further comprises a request for process characteristics parameters defining the process, the process characteristics parameters comprising at least one of: - a cross over frequency representative of the process, - a dominating time constant representative of the process, - a signal delay representative of the process, - a nonlinearity representative of the process, - a variation range of the feedback signals and the control signals, - parameters of a transfer function representative of the process, and - parameters of one or more differential equations representative of the process, and/or a request for controller requirement parameters defining a required performance of a controller function for the process, the controller requirement parameters comprising at least one of: - a closed loop bandwidth needed for the process, - an acceptable closed loop static error, - a required static disturbance suppression, - parameters of a required sensitivity transfer function, and - parameters of a required complementary sensitivity transfer function, - receiving a response message from the wireless device, the response message comprising the performance requirements of the wireless link, wherein the performance requirements of the wireless link are dependent on at least one of: 1) characteristics of the process which reflect the properties of the process itself, and 2) requirements for how the process is controlled which reflect what is needed to achieve satisfactory control of the process, wherein the response message further comprises the requested process characteristics parameters and/or the requested controller requirement parameters, and - configuring the wireless link so that the performance requirements of the wireless link are fulfilled. - sending a request message to the wireless device, the request message comprising a request for performance requirements of the wireless link needed for the communication of control signals and feedback signals, the performance requirements being defined by link quality parameters such as acceptable delay and required bandwidth or data rate that the wireless link must satisfy, wherein the request message further comprises a request for process characteristics parameters defining the process, the process characteristics parameters comprising at least one of: - a cross over frequency representative of the process, - a dominating time constant representative of the process, - a signal delay representative of the process, - a nonlinearity representative of the process, - a variation range of the feedback signals and the control signals, - parameters of a transfer function representative of the process, and - parameters of one or more differential equations representative of the process, and/or a request for controller requirement parameters defining a required performance of a controller function for the process, the controller requirement parameters comprising at least one of: - a closed loop bandwidth needed for the process, - an acceptable closed loop static error, - a required static disturbance suppression, - parameters of a required sensitivity transfer function, and - parameters of a required complementary sensitivity transfer function, - a cross over frequency representative of the process, - a dominating time constant representative of the process, - a signal delay representative of the process, - a nonlinearity representative of the process, - a variation range of the feedback signals and the control signals, - parameters of a transfer function representative of the process, and - parameters of one or more differential equations representative of the process, - a closed loop bandwidth needed for the process, - an acceptable closed loop static error, - a required static disturbance suppression, - parameters of a required sensitivity transfer function, and - parameters of a required complementary sensitivity transfer function, - receiving a response message from the wireless device, the response message comprising the performance requirements of the wireless link, wherein the performance requirements of the wireless link are dependent on at least one of: 1) characteristics of the process which reflect the properties of the process itself, and 2) requirements for how the process is controlled which reflect what is needed to achieve satisfactory control of the process, wherein the response message further comprises the requested process characteristics parameters and/or the requested controller requirement parameters, and - configuring the wireless link so that the performance requirements of the wireless link are fulfilled.