A method for use in a serving network node (110, 112), serving a user equipment, for deciding if a handover request of the user equipment is to be sent to a candidate target network node (130-1, 130-2, 130-3), wherein both the serving network node and the candidate target network node may comprise either a radio base station or a relay station, the method comprising: acquiring (603, 803) data-rate performance of a wireless link between the serving network node (110, 112) and the user equipment, comparing (606, 806) the acquired data-rate performance with a data-rate performance threshold value, wherein the data-rate performance threshold value is based on previously determined throughput of a wireless link between at least one user equipment, via a relay node and the serving network node (110, 112), and deciding (607, 808) to send the handover request of the user equipment to the candidate target network node (130-1, 130-2, 130-3), if the acquired data-rate performance is lower than the data-rate performance threshold value, wherein the data-rate performance threshold value is comprised in a set of data-rate performance threshold values, and wherein each data-rate performance threshold value is further associated with a level of load within a cell served by the serving network node (110, 112), the method further comprising: obtaining (604, 804) a level of load within the cell, and selecting (605, 805) the data-rate performance threshold value from the set of data-rate performance threshold values, which selected data-rate performance threshold value is further associated with the obtained level of load within the cell. acquiring (603, 803) data-rate performance of a wireless link between the serving network node (110, 112) and the user equipment, comparing (606, 806) the acquired data-rate performance with a data-rate performance threshold value, wherein the data-rate performance threshold value is based on previously determined throughput of a wireless link between at least one user equipment, via a relay node and the serving network node (110, 112), and deciding (607, 808) to send the handover request of the user equipment to the candidate target network node (130-1, 130-2, 130-3), if the acquired data-rate performance is lower than the data-rate performance threshold value, wherein the data-rate performance threshold value is comprised in a set of data-rate performance threshold values, and wherein each data-rate performance threshold value is further associated with a level of load within a cell served by the serving network node (110, 112), the method further comprising: obtaining (604, 804) a level of load within the cell, and selecting (605, 805) the data-rate performance threshold value from the set of data-rate performance threshold values, which selected data-rate performance threshold value is further associated with the obtained level of load within the cell. obtaining (604, 804) a level of load within the cell, and selecting (605, 805) the data-rate performance threshold value from the set of data-rate performance threshold values, which selected data-rate performance threshold value is further associated with the obtained level of load within the cell.