A remote unit identification system for uniquely identifying a plurality of remote units (204 - 204(N)) in a wireless distribution system , WDS, comprising: a controller configured to assign a plurality of unique temporal delay patterns (206 - 206(N)) to the plurality of remote units (204 - 204(N)) in the WDS , respectively, wherein: each remote unit (204 - 204(N)) among the plurality of remote units is configured to communicate a respective communications signal among a plurality of communications signals (212 - 212(N)) with a central unit in the WDS in a respective signal path among a plurality of signal paths (210 - 210(N)) disposed between the central unit and the plurality of remote units; the respective communications signal is digitally delayed by a respective delay element among a plurality of delay elements (218 - 218(N)) disposed in the respective signal path among the plurality of signal paths based on a respective unique temporal delay pattern assigned to the remote unit to provide a respective delayed communications signal (212' - 212'(N)); and a determination unit configured to: analyze at least one delayed communications signal communicated in at least one signal path among the plurality of signal paths; determine a unique temporal delay pattern associated with the at least one delayed communications signal; and identify a remote unit among the plurality of remote units communicating the at least one delayed communications signal in the at least one signal path based on the unique temporal delay pattern. a controller configured to assign a plurality of unique temporal delay patterns (206 - 206(N)) to the plurality of remote units (204 - 204(N)) in the WDS , respectively, wherein: each remote unit (204 - 204(N)) among the plurality of remote units is configured to communicate a respective communications signal among a plurality of communications signals (212 - 212(N)) with a central unit in the WDS in a respective signal path among a plurality of signal paths (210 - 210(N)) disposed between the central unit and the plurality of remote units; the respective communications signal is digitally delayed by a respective delay element among a plurality of delay elements (218 - 218(N)) disposed in the respective signal path among the plurality of signal paths based on a respective unique temporal delay pattern assigned to the remote unit to provide a respective delayed communications signal (212' - 212'(N)); and a determination unit configured to: analyze at least one delayed communications signal communicated in at least one signal path among the plurality of signal paths; determine a unique temporal delay pattern associated with the at least one delayed communications signal; and identify a remote unit among the plurality of remote units communicating the at least one delayed communications signal in the at least one signal path based on the unique temporal delay pattern. analyze at least one delayed communications signal communicated in at least one signal path among the plurality of signal paths; determine a unique temporal delay pattern associated with the at least one delayed communications signal; and identify a remote unit among the plurality of remote units communicating the at least one delayed communications signal in the at least one signal path based on the unique temporal delay pattern. <EOS>