A communication system including {HEAD ~ a first and second user equipment} in communication over {TAIL ~ a shared floor} and a server means for managing the shared floor 
A communication system including { HEAD ~ a first and second user equipment } in communication over { TAIL ~ a shared floor } and a server means for managing the shared floor
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH