A base station is disclosed that includes a transmitting and receiving circuit that transmits an RLM reference signal (RLM-RS) to a terminal. In Frequency Range 1 (FR1), when the RLM-RS is a synchronization signal block (SSB) and the terminal does not have a capability of simultaneous transmission or reception of data and an SSB with different numerologies, the transmitting and receiving circuit does not transmit or receive data on symbols of the RLM-RS, the data being with a different subcarrier spacing (SCS) than an SCS of the RLM-RS. In Frequency Range 2 (FR2), if the RLM-RS is a quasi-co-located reference signal with active transmission configuration indicator state (TCI-state), then the transmitting and receiving circuit can transmit or receive data on symbols of the RLM-RS. In other aspects, a radio communication method and a system are also disclosed.

A method for controlling a cell state corresponding to whether to transmit a signal, on a subframe basis by an evolved Node B (eNB) in a wireless communication system is provided. The method includes determining a cell state of at least one subframe included in each of an N-th frame and an (N1)-th frame, and at the start of the N-th frame, transmitting to a user equipment (UE), information about cell states of all subframes belonging to the N-th frame and information about cell states of all subframes belonging to the (N1)-th frame.

There is provided a method for cell search in a communications network. The method is performed by a wireless terminal. The method comprises detecting a level of energy received in a frequency interval to be higher than a threshold value. The method comprises acquiring auxiliary information regarding available cells in the frequency interval based on frequency location and width of the frequency interval. The method comprises performing a cell search in at least a sub-band of the frequency interval using the auxiliary information. There is also presented a wireless terminal configured to perform such a method, a computer program, and a computer program product for such a method.