A communication control apparatus (10#0) comprising: a control unit configured to decide transmission information for uplink multiplex communication from a plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) in a wireless local area network on the basis of information obtained through reception from the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), wherein a multiplex scheme of the uplink multiplex communication includes a space division multiplex scheme or a frequency division multiplex scheme for the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4); a processing unit configured to generate a trigger frame including the transmission information, the transmission information including transmission power information indicating the transmission power for the uplink multiplex communication and length information indicating a permission transmission period in which a frame is permitted to be transmitted as a response to the trigger frame; and a communication unit configured to - transmit the trigger frame generated by the processing unit to the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), and - receive, from one of the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), a frame including transmission power range information indicating a range of transmission power settable and a frame including requested transmission period information indicating a transmission period of frames requested by the said communication apparatus, wherein the control unit is configured to decide the transmission power based on the transmission power range information and to decide the permission transmission period based on the requested transmission period information, and wherein the communication unit is configured to transmit the trigger frame using multicasting, the trigger frame including information regarding the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) and multiplex communication target information indicating at least one of the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) which is an uplink multiplex communication target. a control unit configured to decide transmission information for uplink multiplex communication from a plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) in a wireless local area network on the basis of information obtained through reception from the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), wherein a multiplex scheme of the uplink multiplex communication includes a space division multiplex scheme or a frequency division multiplex scheme for the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4); a processing unit configured to generate a trigger frame including the transmission information, the transmission information including transmission power information indicating the transmission power for the uplink multiplex communication and length information indicating a permission transmission period in which a frame is permitted to be transmitted as a response to the trigger frame; and a communication unit configured to - transmit the trigger frame generated by the processing unit to the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), and - receive, from one of the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), a frame including transmission power range information indicating a range of transmission power settable and a frame including requested transmission period information indicating a transmission period of frames requested by the said communication apparatus, - transmit the trigger frame generated by the processing unit to the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), and - receive, from one of the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4), a frame including transmission power range information indicating a range of transmission power settable and a frame including requested transmission period information indicating a transmission period of frames requested by the said communication apparatus, wherein the control unit is configured to decide the transmission power based on the transmission power range information and to decide the permission transmission period based on the requested transmission period information, and wherein the communication unit is configured to transmit the trigger frame using multicasting, the trigger frame including information regarding the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) and multiplex communication target information indicating at least one of the plurality of communication apparatuses (10#1, 10#2, 10#3, 10#4) which is an uplink multiplex communication target.