| http://www.w3.org/ns/prov#value | - providing a plurality of cell sites, each cell site including an antenna, each antenna having an electrically controllable downtilt angle and an associated downtilt controller controlling a downtilt angle of said associated antenna; outputting a control signal to said downtilt controllers of at least two cell sites to adjust said downtilt angle of said associated antennas of said at least two cell
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