A mobile testing system for optimizing wireless coverage in a distributed antenna system , the mobile testing system comprising: a measurement receiver configured to determine a plurality of signal levels for a plurality of signals communicated via the distributed antenna system; a processing device communicatively coupled to the measurement receiver and configured to: identify a subset of signals from the plurality of signals by decoding a respective identifier encoded in each of the subset of signals, wherein the respective identifier identifies that the subset of signals is targeted to at least one coverage zone in which the mobile testing system is located, obtain, from the measurement receiver, a subset of signal levels from the plurality of signal levels, wherein the subset of signal levels corresponds to the subset of signals, and generate coverage contour data describing signal coverage throughout the at least one coverage zone, wherein the coverage contour data is generated based on the subset of signal levels , determine at least one modification to at least one remote unit of the distributed antenna system based on the coverage contour data; generate control information specifying the at least one modification, wherein the control information comprises at least one control signal, and characterized by : the processing device being further configured to modify at least one of an output power and antenna tilt of the at least one remote unit by causing the at least one control signal to be transmitted to the at least one remote unit. a measurement receiver configured to determine a plurality of signal levels for a plurality of signals communicated via the distributed antenna system; a processing device communicatively coupled to the measurement receiver and configured to: identify a subset of signals from the plurality of signals by decoding a respective identifier encoded in each of the subset of signals, wherein the respective identifier identifies that the subset of signals is targeted to at least one coverage zone in which the mobile testing system is located, obtain, from the measurement receiver, a subset of signal levels from the plurality of signal levels, wherein the subset of signal levels corresponds to the subset of signals, and generate coverage contour data describing signal coverage throughout the at least one coverage zone, wherein the coverage contour data is generated based on the subset of signal levels , determine at least one modification to at least one remote unit of the distributed antenna system based on the coverage contour data; generate control information specifying the at least one modification, wherein the control information comprises at least one control signal, and identify a subset of signals from the plurality of signals by decoding a respective identifier encoded in each of the subset of signals, wherein the respective identifier identifies that the subset of signals is targeted to at least one coverage zone in which the mobile testing system is located, obtain, from the measurement receiver, a subset of signal levels from the plurality of signal levels, wherein the subset of signal levels corresponds to the subset of signals, and generate coverage contour data describing signal coverage throughout the at least one coverage zone, wherein the coverage contour data is generated based on the subset of signal levels , determine at least one modification to at least one remote unit of the distributed antenna system based on the coverage contour data; generate control information specifying the at least one modification, wherein the control information comprises at least one control signal, and characterized by : the processing device being further configured to modify at least one of an output power and antenna tilt of the at least one remote unit by causing the at least one control signal to be transmitted to the at least one remote unit. <EOS>