Patent ID: 10517009

Abstract:
Method and apparatus in a wireless communication network (100) for establishing active mode beam to idle mode cells neighbour relations are disclosed. A first network node (111) and other network nodes, a second and a third network nodes (112, 113) operate in the wireless communication network (100). The first network node (111) is a serving network node for the user equipment (130) with the active mode beam, and the idle mode cells are synchronization signal broadcast areas provided by the other network nodes (112, 113). The first network node (111) obtains information on synchronization signals transmitted from the other network nodes and stores information on active mode beam to idle mode cell relations, wherein the active mode beam is the beam serving the user equipment (130) when a new synchronization signal is detected, and the idle mode cell is the cell with the synchronization signal broadcast area provided by the network node transmitting the detected synchronization signal.