Automatic neighbour relation (anr) based on detection and reporting of unknown cell based on measurement triggering criterion

A User Equipment, UE, for assisting a base station in a wireless communication network (100) with automatic neighbor relation, the UE adapted to:

• receive reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• detect an unknown cell while performing measurements in accordance with the reference signal configurations;
• and
• send a report for the unknown cell to a base station serving a serving cell of the UE in accordance with the measurement report triggering criterion.

A User Equipment, UE, for assisting a base station in a wireless communication network with automatic neighbor relation, comprising:

• an interface operable to transmit signals to and receive signals from a base station;
• and
• a processor operable to cause the UE to:
• receive, via the interface, reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• detect an unknown cell while performing measurements in accordance with the reference signal configurations;
• and
• send, via the interface, a report for the unknown cell to a base station serving a serving cell of the UE in accordance with the measurement report triggering criterion.

A User Equipment, UE, for assisting a base station in a wireless communication network with automatic neighbor relation, comprising:

• a receiving module operable to receive reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• a detecting module operable to detect an unknown cell while performing measurements in accordance with the reference signal configurations;
• and
• a sending module operable to send a report for the unknown cell to a base station serving a serving cell of the UE in accordance with the measurement report triggering criterion.

A method of operation of a base station in a wireless communication network (100) to interact with a User Equipment, UE, to provide automatic neighbor relation, comprising:

• providing, to a UE, reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• and
• receiving, from the UE in accordance with the triggering criterion, a report for an unknown cell detected by the UE while performing measurements in accordance with the reference signal configurations.

A base station in a wireless communication network for interacting with a User Equipment, UE, to provide automatic neighbor relation, the base station adapted to:

• provide, to a UE, reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• and
• receive, from the UE in accordance with the triggering criterion, a report for an unknown cell detected by the UE while performing measurements in accordance with the reference signal configurations.

A base station in a wireless communication network for interacting with a User Equipment, UE, to provide automatic neighbor relation, comprising:

• an interface operable to transmit signals to and receive signals from a UE;
• and
• a processor operable to cause the base station to:
• provide, to the UE via the interface, reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• and
• receive, from the UE via the interface in accordance with the triggering criterion, a report for an unknown cell detected by the UE while performing measurements in accordance with the reference signal configurations.

A base station in a wireless communication network for interacting with a User Equipment, UE, to provide automatic neighbor relation, comprising:

• a providing module operable to provide, to a UE, reference signal configurations for a plurality of cells and a measurement report triggering criterion, wherein:
• the reference signal configurations are configurations for reference signals to be used by the UE for Radio Resource Management, RRM, measurement reporting for the plurality of cells;
• and
• the measurement report triggering criterion is related to detection, by the UE, of an unknown cell while performing measurements in accordance with the reference signal configurations for the plurality of cells, where an unknown cell is a cell other than the plurality of cells for which the UE has received the reference signal configurations;
• and
• a receiving module operable to receive, from the UE in accordance with the triggering criterion, a report for an unknown cell detected by the UE while performing measurements in accordance with the reference signal configurations.