A method performed by a first user equipment, UE, the method comprising: determining a first minimum frequency guard band value for use between frequency resources associated with downlink communications between the first UE and a base station, and frequency resources associated with uplink communications between a second UE and the base station; determining a second minimum frequency guard band value for use between frequency resources associated with downlink communications between the first UE and a base station, and frequency resources associated with uplink communications between a second UE and the base station, wherein the first minimum frequency guard band value is for use when downlink communications for the first UE have a first set of characteristics, and wherein the second minimum frequency guard band value is for use when downlink communications for the first UE have a second set of characteristics; transmitting to the base station an indication of the first minimum frequency guard band value; and receiving from the base station a downlink bandwidth part, BWP, allocation for the first UE accommodating the first minimum frequency guard band value; wherein the first set of characteristics and the second set of characteristics are defined as at least one of: the first set of characteristics defines ultra-reliable low latency communications, URLLC, and the second set of characteristics defines enhanced mobile broadband, eMBB, communications; the first set of characteristics defines dynamic physical downlink shared channel, PDSCH, communications and the second set of characteristics defines semi-persistent scheduling, SPS, communications; or the first set of characteristics defines data communications and the second set of characteristics defines channel state information reference signal, CSI-RS, communications. determining a first minimum frequency guard band value for use between frequency resources associated with downlink communications between the first UE and a base station, and frequency resources associated with uplink communications between a second UE and the base station; determining a second minimum frequency guard band value for use between frequency resources associated with downlink communications between the first UE and a base station, and frequency resources associated with uplink communications between a second UE and the base station, wherein the first minimum frequency guard band value is for use when downlink communications for the first UE have a first set of characteristics, and wherein the second minimum frequency guard band value is for use when downlink communications for the first UE have a second set of characteristics; transmitting to the base station an indication of the first minimum frequency guard band value; and receiving from the base station a downlink bandwidth part, BWP, allocation for the first UE accommodating the first minimum frequency guard band value; wherein the first set of characteristics and the second set of characteristics are defined as at least one of: the first set of characteristics defines ultra-reliable low latency communications, URLLC, and the second set of characteristics defines enhanced mobile broadband, eMBB, communications; the first set of characteristics defines dynamic physical downlink shared channel, PDSCH, communications and the second set of characteristics defines semi-persistent scheduling, SPS, communications; or the first set of characteristics defines data communications and the second set of characteristics defines channel state information reference signal, CSI-RS, communications. the first set of characteristics defines ultra-reliable low latency communications, URLLC, and the second set of characteristics defines enhanced mobile broadband, eMBB, communications; the first set of characteristics defines dynamic physical downlink shared channel, PDSCH, communications and the second set of characteristics defines semi-persistent scheduling, SPS, communications; or the first set of characteristics defines data communications and the second set of characteristics defines channel state information reference signal, CSI-RS, communications.