METHODS AND NODES RELATING TO AUTOMATIC NEIGHBOUR DETECTION BASED ON UPLINK MEASUREMENTS

摘要

Methods, a first radio network node (120), a user equipment (110), a core network node (130) and a second radio network node (121 -123) relating to automatic neighbour detection. The first radio network node (120) transmits (A040) a request to a core network node (130) for initiation of the automatic neighbour detection. In response to the request, the core network node (130) selects (A060) at least one second radio network node (121-123) based on geographical information. The first radio network node (120) also transmits (A160), to the user equipment (110), an instruction to transmit an uplink signal. The user equipment (110) transmits (A180) the uplink signal based on the instruction. The core network node (130) transmits (A080), to said at least one second radio network node (121-123), a command instructing said at least one second radio network node (121-123) to listen for the uplink signal. In response to the command, the second radio network node (121 -123) listens for (A190) the uplink signal from the user equipment (110). Then, the second radio network node (121-123) transmits (A200), a message relating to whether the second radio network node (121 -123) is neighbouring to the first radio network node (120).