Coverage anomaly detection and optimization in beam management using machine learning

A radio network node arranged to communicate with a plurality of wireless devices using beamforming, association of respective wireless device to a beam being controlled through a beam model, the radio network node comprising:

• a mechanism for handling information exchange between the radio network node and a beam model handler, the mechanism comprising:
• a first interface providing at least a set of signal property measurements, for a plurality of wireless communication devices being in communication with the radio network node, from the radio network node to the beam model handler;
• and
• a second interface providing one or more beam models from the beam model handler to the radio network node, the one or more beam models comprising coverage information for a main lobe of a beam, and a set of coverage data for anomalies associated with the main lobe of the beam and the anomalies associated with the main lobe of the beam comprising at least one of:
• coverage information for side lobes of the beam;
• coverage information for static or semi-static reflections of the beam;
• and
• coverage information for recurring dynamic reflections of the beam.

A beam model handler arranged to create or update beam models based on signal property measurements for a plurality of wireless communication devices being in communication with a radio network node, the beam model handler comprising:

• a mechanism for handling information exchange between the radio network node and the beam model handler, the mechanism comprising:
• a first interface providing at least a set of signal property measurements, for a plurality of wireless communication devices being in communication with the radio network node, from the radio network node to the beam model handler;
• and
• a second interface providing one or more beam models from the beam model handler to the radio network node, the one or more beam models comprising coverage information for a main lobe of a beam, and a set of coverage data for anomalies associated with the main lobe of the beam and the anomalies associated with the main lobe of the beam comprising at least one of:
• coverage information for side lobes of the beam;
• coverage information for static or semi-static reflections of the beam;
• and
• coverage information for recurring dynamic reflections of the beam.

A method of information exchange between a radio network node and a beam model handler, the method comprising:

• providing at least a set of signal property measurements, for a plurality of wireless communication devices being in communication with the radio network node, from the radio network node to the beam model handler;
• and
• providing one or more beam models from the beam model handler to the radio network node, the one or more beam models comprising coverage information for a main lobe of a beam, and a set of coverage data for anomalies associated with the main lobe of the beam and the anomalies associated with the main lobe of the beam comprising at least one of:
• coverage information for side lobes of the beam;
• coverage information for static or semi-static reflections of the beam;
• and
• coverage information for recurring dynamic reflections of the beam.