A method of operating a base station in a cellular telecommunications network, the base station having a central base station unit and a distributed base station unit, wherein the central base station unit and distributed base station unit communicate over a fronthaul link having a first and second capacity configuration, and the cellular telecommunications network further includes a User Equipment, UE, consuming a service via the base station, the method comprising the steps of: communicating samples over the fronthaul link at a first capacity configuration and first bit width; determining that a reliability measure of the service is either less than or more than a reliability threshold; and, (a) if the reliability measure of the service is less than the reliability threshold, responding by, +.- reconfiguring the samples to use a second bit width, wherein the second bit width has more bits per sample than the first bit width, and -2-- reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is greater than the first capacity configuration and, (b) if the reliability measure of the service is more than the reliability threshold, responding by, reconfiguring the samples to use a second bit width, wherein the second bit width has fewer bits per sample than the first bit width, and reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is less than the first capacity configuration; and communicating samples over the fronthaul link at the second capacity configuration and the second bit width. communicating samples over the fronthaul link at a first capacity configuration and first bit width; determining that a reliability measure of the service is either less than or more than a reliability threshold; and, (a) if the reliability measure of the service is less than the reliability threshold, responding by, +.- reconfiguring the samples to use a second bit width, wherein the second bit width has more bits per sample than the first bit width, and -2-- reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is greater than the first capacity configuration and, (b) if the reliability measure of the service is more than the reliability threshold, responding by, reconfiguring the samples to use a second bit width, wherein the second bit width has fewer bits per sample than the first bit width, and reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is less than the first capacity configuration; and (a) if the reliability measure of the service is less than the reliability threshold, responding by, +.- reconfiguring the samples to use a second bit width, wherein the second bit width has more bits per sample than the first bit width, and -2-- reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is greater than the first capacity configuration and, +.- reconfiguring the samples to use a second bit width, wherein the second bit width has more bits per sample than the first bit width, and -2-- reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is greater than the first capacity configuration (b) if the reliability measure of the service is more than the reliability threshold, responding by, reconfiguring the samples to use a second bit width, wherein the second bit width has fewer bits per sample than the first bit width, and reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is less than the first capacity configuration; and reconfiguring the samples to use a second bit width, wherein the second bit width has fewer bits per sample than the first bit width, and reconfiguring the fronthaul to use a second capacity configuration, wherein the second capacity configuration is less than the first capacity configuration; and communicating samples over the fronthaul link at the second capacity configuration and the second bit width.