A method in a network node for selecting transmission mode towards a wireless device in a wireless communications network, wherein the wireless communications network comprises a first cell and a second cell, and wherein the wireless device is connected to the first cell, which is served by the network node, characterized in that the method comprises: obtaining, by receiving a measured Reference Signal Received Power, RSRP, from the wireless device to establish a path loss to the first cell and second cell, information about respective downlink signal strength from the first cell to the wireless device, and the second cell to the wireless device, selecting a transmission mode towards the wireless device based on an absolute signal strength and a difference in signal strength between the first cell and the second cell, wherein said difference is calculated based on the obtained information, wherein the transmission mode is selected out of any one of: a Common Reference Symbols, CRS, based transmission mode and a Demodulation Reference Signals, DM-RS, based transmission mode; wherein the selecting of the transmission mode comprises: comparing a geometry factor of the wireless device to a first threshold, wherein the geometry factor is assessed as calculating the difference in signal strength between the first cell and the second cell, and selecting a CRS based transmission mode if the geometry factor exceeds the first threshold. obtaining, by receiving a measured Reference Signal Received Power, RSRP, from the wireless device to establish a path loss to the first cell and second cell, information about respective downlink signal strength from the first cell to the wireless device, and the second cell to the wireless device, selecting a transmission mode towards the wireless device based on an absolute signal strength and a difference in signal strength between the first cell and the second cell, wherein said difference is calculated based on the obtained information, wherein the transmission mode is selected out of any one of: a Common Reference Symbols, CRS, based transmission mode and a Demodulation Reference Signals, DM-RS, based transmission mode; wherein the selecting of the transmission mode comprises: comparing a geometry factor of the wireless device to a first threshold, wherein the geometry factor is assessed as calculating the difference in signal strength between the first cell and the second cell, and selecting a CRS based transmission mode if the geometry factor exceeds the first threshold. a Common Reference Symbols, CRS, based transmission mode and a Demodulation Reference Signals, DM-RS, based transmission mode; wherein the selecting of the transmission mode comprises: comparing a geometry factor of the wireless device to a first threshold, wherein the geometry factor is assessed as calculating the difference in signal strength between the first cell and the second cell, and selecting a CRS based transmission mode if the geometry factor exceeds the first threshold. wherein the selecting of the transmission mode comprises: comparing a geometry factor of the wireless device to a first threshold, wherein the geometry factor is assessed as calculating the difference in signal strength between the first cell and the second cell, and selecting a CRS based transmission mode if the geometry factor exceeds the first threshold. comparing a geometry factor of the wireless device to a first threshold, wherein the geometry factor is assessed as calculating the difference in signal strength between the first cell and the second cell, and selecting a CRS based transmission mode if the geometry factor exceeds the first threshold.