A distributed antenna system, DAS, comprising: a host unit; and an active antenna unit, AAU, communicatively coupled to the host unit over a communication link, the AAU configured to wirelessly communicate with one or more wireless devices, wherein the AAU receives uplink radio frequency, RF, signals from the one or more wireless devices and samples the uplink RF signals to generate first digitized RF data, the AAU including an Ethernet interface for receiving first Internet Protocol, IP, formatted data from a first IP device coupled to the Ethernet interface; wherein the AAU transports the first digitized RF data and the first IP formatted data over a first transport signal to the host unit, the first transport signal including a first plurality of bits, wherein the first transport signal includes a first plurality of communication frames, characterized in that the AAU is configured to adaptively adjust the number of bits in a communication frame of the first transport signal that are allocated to the first digitized RF data and the number of bits in the communication frame of the first transport signal that are allocated to the first IP formatted data based on: a variation in an amount of IP formatted data transported over time; or an amount of usage of IP formatted data; and wherein the AAU is configured to provide an indication, to the host unit, of the number of bits in the first transport signal that are allocated to the first digitized RF data and the number of bits in the first transport signal that are allocated to the first IP formatted data. a host unit; and an active antenna unit, AAU, communicatively coupled to the host unit over a communication link, the AAU configured to wirelessly communicate with one or more wireless devices, wherein the AAU receives uplink radio frequency, RF, signals from the one or more wireless devices and samples the uplink RF signals to generate first digitized RF data, the AAU including an Ethernet interface for receiving first Internet Protocol, IP, formatted data from a first IP device coupled to the Ethernet interface; wherein the AAU transports the first digitized RF data and the first IP formatted data over a first transport signal to the host unit, the first transport signal including a first plurality of bits, wherein the first transport signal includes a first plurality of communication frames, characterized in that the AAU is configured to adaptively adjust the number of bits in a communication frame of the first transport signal that are allocated to the first digitized RF data and the number of bits in the communication frame of the first transport signal that are allocated to the first IP formatted data based on: a variation in an amount of IP formatted data transported over time; or an amount of usage of IP formatted data; and a variation in an amount of IP formatted data transported over time; or an amount of usage of IP formatted data; and wherein the AAU is configured to provide an indication, to the host unit, of the number of bits in the first transport signal that are allocated to the first digitized RF data and the number of bits in the first transport signal that are allocated to the first IP formatted data.