US Patent 11218932 Cell change in a wireless communication system

A method is performed in a wireless communication system (10). The method may comprise ranking a first cell (22A) and a second cell (22B) of the wireless communication system (10) according to one or more defined cell-ranking criteria. The method may also comprise evaluating that the second cell (22B) has met a reselection criterion for a wireless device (16), provided that the second cell (22B) is ranked better than the first cell (22A) by at least a margin. The value of the margin may depend on a coverage level of the wireless device (16) with respect to the first cell (22A) and a coverage level of the wireless device (16) with respect to the second cell (22B).