{"release":"Rel-15","nodes":[{"number":"28.402","type":"TS","title":"Telecommunication management; Performance Management (PM); Performance measurements for Evolved Packet Core (EPC) and non-3GPP access interworking system","series":28,"status":"Under change control","initial_release":"Rel-11","primary_group":"S5","portal_url":"https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1531"}],"edges":[]}