A first network node provides timing information of at least one other network node, operating in discontinuous transmission mode, for enabling a mobile station to monitor the at least one other network node. The first network node comprises a transmitter, configured for transmitting a signal comprising timing information, associated with a state switch between dormant state and active state of the at least one other network node and/or associated to a monitoring operation of the at least one other network node to be received by the mobile station. Also, a mobile station configured for monitoring the at least one other network node is disclosed.
