A method for an inter-network measurement at a terminal device in a wireless network, the method comprising: receiving, from an access node, an inter-network measurement configuration message containing measurement configurations; performing the inter-network measurement based on the measurement configurations contained in the inter-network measurement configuration message, wherein the performing the inter-network measurement comprises: monitoring, in a monitory measurement mode, a beacon signal from a neighbor network to detect signal transmission in a beam direction in which the terminal device receives signals from the access node serving the terminal device, wherein monitoring the beacon signal comprises detecting a synchronization signal in the beacon signal, and performing measurement of a beacon reference signal on a beacon signal for each beam direction if the synchronization signal is detected; obtaining information on inter-network interference in the beam direction; and reporting a measurement result of the inter-network measurement to the access node, wherein the measurement result includes the information on inter-network interference, wherein the measurement result indicates beam-pair interference information, wherein the beam-pair interference information includes: a beam ID of the neighbor network and a receiving power of the beacon signal, and wherein the beam-pair interference information is used by the access node to perform interference coordination to set a scheduling constraint for the certain beam. receiving, from an access node, an inter-network measurement configuration message containing measurement configurations; performing the inter-network measurement based on the measurement configurations contained in the inter-network measurement configuration message, wherein the performing the inter-network measurement comprises: monitoring, in a monitory measurement mode, a beacon signal from a neighbor network to detect signal transmission in a beam direction in which the terminal device receives signals from the access node serving the terminal device, wherein monitoring the beacon signal comprises detecting a synchronization signal in the beacon signal, and performing measurement of a beacon reference signal on a beacon signal for each beam direction if the synchronization signal is detected; monitoring, in a monitory measurement mode, a beacon signal from a neighbor network to detect signal transmission in a beam direction in which the terminal device receives signals from the access node serving the terminal device, wherein monitoring the beacon signal comprises detecting a synchronization signal in the beacon signal, and performing measurement of a beacon reference signal on a beacon signal for each beam direction if the synchronization signal is detected; obtaining information on inter-network interference in the beam direction; and reporting a measurement result of the inter-network measurement to the access node, wherein the measurement result includes the information on inter-network interference, wherein the measurement result indicates beam-pair interference information, wherein the beam-pair interference information includes: a beam ID of the neighbor network and a receiving power of the beacon signal, and wherein the beam-pair interference information is used by the access node to perform interference coordination to set a scheduling constraint for the certain beam.