An apparatus, comprising: at least one processor ; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor , cause the apparatus to at least: determine, for a target scheduling time interval (STI) on a wireless interface based on interaction between a machine-type communication (MTC) traffic scheduler configured to schedule transmission of MTC traffic over the wireless interface and a legacy traffic scheduler configured to schedule transmission of legacy traffic over the wireless interface , a resource sharing indicative of sharing of physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic; and perform scheduling for the target scheduling time interval (STI) based on the resource sharing indicative of sharing of the physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic, characterized in that the resource sharing is determined based on at least one of an indication of a traffic mix for legacy traffic or quality-of-service (QoS) information for legacy traffic, wherein the traffic mix for legacy traffic is a legacy data traffic versus a legacy voice traffic. at least one processor ; and at least one memory including computer program code; wherein the at least one memory and the computer program code are configured to, with the at least one processor , cause the apparatus to at least: determine, for a target scheduling time interval (STI) on a wireless interface based on interaction between a machine-type communication (MTC) traffic scheduler configured to schedule transmission of MTC traffic over the wireless interface and a legacy traffic scheduler configured to schedule transmission of legacy traffic over the wireless interface , a resource sharing indicative of sharing of physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic; and perform scheduling for the target scheduling time interval (STI) based on the resource sharing indicative of sharing of the physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic, characterized in that the resource sharing is determined based on at least one of an indication of a traffic mix for legacy traffic or quality-of-service (QoS) information for legacy traffic, wherein the traffic mix for legacy traffic is a legacy data traffic versus a legacy voice traffic. determine, for a target scheduling time interval (STI) on a wireless interface based on interaction between a machine-type communication (MTC) traffic scheduler configured to schedule transmission of MTC traffic over the wireless interface and a legacy traffic scheduler configured to schedule transmission of legacy traffic over the wireless interface , a resource sharing indicative of sharing of physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic; and perform scheduling for the target scheduling time interval (STI) based on the resource sharing indicative of sharing of the physical wireless resources of the target scheduling time interval (STI) between MTC traffic and legacy traffic, characterized in that the resource sharing is determined based on at least one of an indication of a traffic mix for legacy traffic or quality-of-service (QoS) information for legacy traffic, wherein the traffic mix for legacy traffic is a legacy data traffic versus a legacy voice traffic. <EOS>