A method performed by a C ore N etwork node, CN node, for assisting a R adio A ccess N etwork node, RAN node, in performing a S emi P ersistent S cheduling, SPS, the method comprising: monitoring data traffic pertaining to a User Equipment, UE; determining a traffic pattern for the UE based on the monitored data traffic; classifying the determined traffic pattern into different categories based on the periodicity of the determined traffic pattern; establishing a traffic shaping policy for each category; and initiating a dedicated bearer establishment for enforcing the established traffic shaping policy, wherein monitoring the data traffic pertaining to the UE comprises: identifying data traffic related to applications, APPs, in use by the UE, wherein determining the traffic pattern for the UE comprises: analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, comprising utilizing D eep P acket I nspection, DPI, when identifying data traffic related to APPs in use by the UE and when analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, and wherein initiating a dedicated bearer establishment for enforcing the established traffic shaping policy further comprises transmitting a message comprising either a request for a bearer creation or a request for a bearer modification to a Serving Gateway, SGW. monitoring data traffic pertaining to a User Equipment, UE; determining a traffic pattern for the UE based on the monitored data traffic; classifying the determined traffic pattern into different categories based on the periodicity of the determined traffic pattern; establishing a traffic shaping policy for each category; and initiating a dedicated bearer establishment for enforcing the established traffic shaping policy, wherein monitoring the data traffic pertaining to the UE comprises: identifying data traffic related to applications, APPs, in use by the UE, wherein determining the traffic pattern for the UE comprises: analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, comprising utilizing D eep P acket I nspection, DPI, when identifying data traffic related to APPs in use by the UE and when analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, and wherein initiating a dedicated bearer establishment for enforcing the established traffic shaping policy further comprises transmitting a message comprising either a request for a bearer creation or a request for a bearer modification to a Serving Gateway, SGW. analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, comprising utilizing D eep P acket I nspection, DPI, when identifying data traffic related to APPs in use by the UE and when analyzing whether identified data traffic related to the APPs exhibit a periodical or near periodical traffic pattern, and wherein initiating a dedicated bearer establishment for enforcing the established traffic shaping policy further comprises transmitting a message comprising either a request for a bearer creation or a request for a bearer modification to a Serving Gateway, SGW.