1. A method in a base station serving a first cell of a cellular network, for controlling interference coordination with at least one neighbouring cell, the method comprising: obtaining transaction related information (TI) pertaining to a forthcoming data transaction involving at least one wireless terminal in the first cell, estimating a transaction magnitude (TM) for said forthcoming data transaction, based on the obtained transaction related information, and controlling employment of an Inter-Cell Interference Coordination (ICIC) scheme for the forthcoming data transaction, based on the estimated transaction magnitude, wherein the estimated transaction magnitude includes at least one of an estimated amount of data and an estimated duration for the forthcoming data transaction.