A network node for an orthogonal Frequency Division Multiplexing Access, OFDMA, based wireless local area network, the network node, comprising: processing circuitry, the processing circuitry including a processor and a memory, the memory containing instructions that, when executed by the processor, configure the processor to: assign, during an OFDMA subframe, a respective OFDMA subband of a plurality of OFDMA subbands to each of a plurality of wireless devices, wherein the assignment is based on a packet length of the plurality wireless devices and channel gains of the plurality of wireless devices, and wherein each packet of a plurality of packets is associated with a respective wireless device of the plurality of wireless devices; sort the plurality of packets in one of an increasing and a decreasing order based on a length of each packet and sort the plurality of packets in one of an increasing and a decreasing order based on respective priorities of the plurality of wireless devices, wherein each wireless device of the plurality of wireless devices is assigned a respective priority; wherein the assigning, during said OFDMA subframe, the respective OFDMA subband of the plurality of OFDMA subbands to each of the plurality of wireless devices further includes: assigning the plurality of OFDMA subbands to the plurality of wireless devices according to the sorted order of one of the plurality of packets and the plurality of wireless devices, wherein the wireless device associated with a longest packet length of the plurality of packets being assigned the OFDMA subband with highest performance characteristic of the plurality of OFDMA subbands for that wireless device, and wherein the wireless device associated with a highest respective priority being assigned the OFDMA subband with the highest performance characteristics of the plurality of OFDMA subbands for that wireless device, and wherein the highest performance characteristics of an OFDMA subband, of the plurality of OFDMA subbands, include a maximum modulation-coding rate, and wherein a channel gain is estimated by the respective wireless device using pilot tones in the OFDMA subband; and cause data transmission on the assigned OFDMA subbands to the plurality of wireless device. assign, during an OFDMA subframe, a respective OFDMA subband of a plurality of OFDMA subbands to each of a plurality of wireless devices, wherein the assignment is based on a packet length of the plurality wireless devices and channel gains of the plurality of wireless devices, and wherein each packet of a plurality of packets is associated with a respective wireless device of the plurality of wireless devices; sort the plurality of packets in one of an increasing and a decreasing order based on a length of each packet and sort the plurality of packets in one of an increasing and a decreasing order based on respective priorities of the plurality of wireless devices, wherein each wireless device of the plurality of wireless devices is assigned a respective priority; wherein the assigning, during said OFDMA subframe, the respective OFDMA subband of the plurality of OFDMA subbands to each of the plurality of wireless devices further includes: assigning the plurality of OFDMA subbands to the plurality of wireless devices according to the sorted order of one of the plurality of packets and the plurality of wireless devices, wherein the wireless device associated with a longest packet length of the plurality of packets being assigned the OFDMA subband with highest performance characteristic of the plurality of OFDMA subbands for that wireless device, and wherein the wireless device associated with a highest respective priority being assigned the OFDMA subband with the highest performance characteristics of the plurality of OFDMA subbands for that wireless device, and wherein the highest performance characteristics of an OFDMA subband, of the plurality of OFDMA subbands, include a maximum modulation-coding rate, and wherein a channel gain is estimated by the respective wireless device using pilot tones in the OFDMA subband; and assigning the plurality of OFDMA subbands to the plurality of wireless devices according to the sorted order of one of the plurality of packets and the plurality of wireless devices, wherein the wireless device associated with a longest packet length of the plurality of packets being assigned the OFDMA subband with highest performance characteristic of the plurality of OFDMA subbands for that wireless device, and wherein the wireless device associated with a highest respective priority being assigned the OFDMA subband with the highest performance characteristics of the plurality of OFDMA subbands for that wireless device, and wherein the highest performance characteristics of an OFDMA subband, of the plurality of OFDMA subbands, include a maximum modulation-coding rate, and wherein a channel gain is estimated by the respective wireless device using pilot tones in the OFDMA subband; and cause data transmission on the assigned OFDMA subbands to the plurality of wireless device.