A method performed at a first network node corresponding to a cell of interest in a wireless network, the method comprising: obtaining a neighbor cell interference estimate P̂ neighbor ( t) based on all of a measured load L own ( t) and total wideband power P RTWP ( t); obtaining all of a soft interference estimate P̂ soft ( t), a softer interference estimate P̂ softer ( t), and a remaining neighbor interference estimate P̂ neighborRemaining ( t) based on the neighbor cell interference estimate P̂ neighbor ( t); and providing interference-related quantities to a second network node over an interface, the interference-related quantities comprising the soft interference estimate P̂ soft ( t), the softer interference estimate P̂ softer ( t), the remaining neighbor interference estimate P̂ neighborRemaining ( t), and the neighbor cell interference estimate P̂ neighbor ( t), wherein the measured load L own ( t) represents resource grants used at time t by one or more cell terminals in the cell of interest and the total wideband power P RTWP ( t) represents a total power received in the cell of interest at the time t; wherein the neighbor cell interference estimate P̂ neighbor ( t) represents an estimate of a neighbor cell interference P neighbor ( t) which expresses a sum of interferences present in the cell of interest due to wireless activities applicable at the time t in one or more cells other than in the cell of interest, wherein the soft interference estimate P̂ soft ( t) represents an estimate of a soft interference P soft ( t) which expresses a sum of interferences present in the cell of interest due to soft handovers applicable at the time t of one or more terminals into or out of the cell of interest, wherein the softer interference estimate P̂ ofter ( t) represents an estimate of a softer interference P softer ( t) which expresses a sum of interferences present in the cell of interest due to softer handovers applicable at the time t of one or more terminals into or out of the cell of interest, and wherein the remaining neighbor interference estimate P̂ neighborRemaining ( t) represents an estimate of a remaining neighbor interference P neighborRemaining ( t) which expresses a sum of interferences present in the cell of interest due to wireless activities applicable at the time t in one or more cells other than in the cell of interest other than the soft and softer interferences P soft ( t), P softer ( t). obtaining a neighbor cell interference estimate P̂ neighbor ( t) based on all of a measured load L own ( t) and total wideband power P RTWP ( t); obtaining all of a soft interference estimate P̂ soft ( t), a softer interference estimate P̂ softer ( t), and a remaining neighbor interference estimate P̂ neighborRemaining ( t) based on the neighbor cell interference estimate P̂ neighbor ( t); and providing interference-related quantities to a second network node over an interface, the interference-related quantities comprising the soft interference estimate P̂ soft ( t), the softer interference estimate P̂ softer ( t), the remaining neighbor interference estimate P̂ neighborRemaining ( t), and the neighbor cell interference estimate P̂ neighbor ( t), wherein the measured load L own ( t) represents resource grants used at time t by one or more cell terminals in the cell of interest and the total wideband power P RTWP ( t) represents a total power received in the cell of interest at the time t; wherein the neighbor cell interference estimate P̂ neighbor ( t) represents an estimate of a neighbor cell interference P neighbor ( t) which expresses a sum of interferences present in the cell of interest due to wireless activities applicable at the time t in one or more cells other than in the cell of interest, wherein the soft interference estimate P̂ soft ( t) represents an estimate of a soft interference P soft ( t) which expresses a sum of interferences present in the cell of interest due to soft handovers applicable at the time t of one or more terminals into or out of the cell of interest, wherein the softer interference estimate P̂ ofter ( t) represents an estimate of a softer interference P softer ( t) which expresses a sum of interferences present in the cell of interest due to softer handovers applicable at the time t of one or more terminals into or out of the cell of interest, and wherein the remaining neighbor interference estimate P̂ neighborRemaining ( t) represents an estimate of a remaining neighbor interference P neighborRemaining ( t) which expresses a sum of interferences present in the cell of interest due to wireless activities applicable at the time t in one or more cells other than in the cell of interest other than the soft and softer interferences P soft ( t), P softer ( t).