A network element for controlling a usage of at least one resource, wherein the network element comprises: a transmitter for transmitting a signal identifying at least one uplink resource to at least one wireless communication unit; a control processor operably coupled to the transmitter for generating the signal; and a receiver for receiving a transmission from the at least one wireless communication unit (225, 1005, 1010) on the identified at least one uplink resource, wherein the control processor is arranged to: allocate the uplink resource for the at least one wireless communication unit in a first portion of a first sub-frame on a first frequency and a first portion of a second sub-frame on a second frequency wherein a time gap is allocated between an end of the first portion of the first sub-frame and a beginning of the first portion of a second sub-frame; wherein the control processor is further arranged to: group a plurality of wireless communication units (225, 1005, 1010) by assigning a type to the at least one wireless communication unit; define a relationship between at least two types of physical downlink shared channel, PDSCH, resource for use by the plurality of wireless communication units (225, 1005, 1010) wherein the first type of PDSCH resource occupies a first subcarrier and the second type of PDSCH resource is a subcarrier multiplexed with the first type of PDSCH resource; and allocate a PDSCH resource from one of the at least two types of PDSCH resource to the wireless communication unit type based at least partly on the defined relationship. a transmitter for transmitting a signal identifying at least one uplink resource to at least one wireless communication unit; a control processor operably coupled to the transmitter for generating the signal; and a receiver for receiving a transmission from the at least one wireless communication unit (225, 1005, 1010) on the identified at least one uplink resource, wherein the control processor is arranged to: allocate the uplink resource for the at least one wireless communication unit in a first portion of a first sub-frame on a first frequency and a first portion of a second sub-frame on a second frequency wherein a time gap is allocated between an end of the first portion of the first sub-frame and a beginning of the first portion of a second sub-frame; wherein the control processor is further arranged to: group a plurality of wireless communication units (225, 1005, 1010) by assigning a type to the at least one wireless communication unit; define a relationship between at least two types of physical downlink shared channel, PDSCH, resource for use by the plurality of wireless communication units (225, 1005, 1010) wherein the first type of PDSCH resource occupies a first subcarrier and the second type of PDSCH resource is a subcarrier multiplexed with the first type of PDSCH resource; and allocate a PDSCH resource from one of the at least two types of PDSCH resource to the wireless communication unit type based at least partly on the defined relationship. allocate the uplink resource for the at least one wireless communication unit in a first portion of a first sub-frame on a first frequency and a first portion of a second sub-frame on a second frequency wherein a time gap is allocated between an end of the first portion of the first sub-frame and a beginning of the first portion of a second sub-frame; wherein the control processor is further arranged to: group a plurality of wireless communication units (225, 1005, 1010) by assigning a type to the at least one wireless communication unit; define a relationship between at least two types of physical downlink shared channel, PDSCH, resource for use by the plurality of wireless communication units (225, 1005, 1010) wherein the first type of PDSCH resource occupies a first subcarrier and the second type of PDSCH resource is a subcarrier multiplexed with the first type of PDSCH resource; and allocate a PDSCH resource from one of the at least two types of PDSCH resource to the wireless communication unit type based at least partly on the defined relationship.