A relay User Equipment that is configured to relay a User Equipment, in a wireless communication system, the relay User Equipment comprising: one or more processing circuits configured to: acquire scenario identification information, the scenario identification information comprising first link information indicating a quality of a link between the relay User Equipment and the User Equipment in the wireless communication system, second link information indicating a quality of a link between the relay User Equipment and a base station in a serving cell for providing a service for the relay User Equipment in the wireless communication system, received serving cell power change rate information and received neighbor cell power change rate information; determine, based on the scenario identification information, scenario information relating to relay reselection or a cell handover to a new cell in a scenario where the relay User Equipment is located to inform the user equipment to perform a relay reselection process or cell handover or to assist the relay User Equipment to perform a relay selection process based on the scenario information; and transmitting the scenario information to the User Equipment. one or more processing circuits configured to: acquire scenario identification information, the scenario identification information comprising first link information indicating a quality of a link between the relay User Equipment and the User Equipment in the wireless communication system, second link information indicating a quality of a link between the relay User Equipment and a base station in a serving cell for providing a service for the relay User Equipment in the wireless communication system, received serving cell power change rate information and received neighbor cell power change rate information; determine, based on the scenario identification information, scenario information relating to relay reselection or a cell handover to a new cell in a scenario where the relay User Equipment is located to inform the user equipment to perform a relay reselection process or cell handover or to assist the relay User Equipment to perform a relay selection process based on the scenario information; and transmitting the scenario information to the User Equipment. acquire scenario identification information, the scenario identification information comprising first link information indicating a quality of a link between the relay User Equipment and the User Equipment in the wireless communication system, second link information indicating a quality of a link between the relay User Equipment and a base station in a serving cell for providing a service for the relay User Equipment in the wireless communication system, received serving cell power change rate information and received neighbor cell power change rate information; determine, based on the scenario identification information, scenario information relating to relay reselection or a cell handover to a new cell in a scenario where the relay User Equipment is located to inform the user equipment to perform a relay reselection process or cell handover or to assist the relay User Equipment to perform a relay selection process based on the scenario information; and transmitting the scenario information to the User Equipment.