A communication system and method for communicating information in one or
more time slots a predetermined bandwidth is disclosed. The system and
method comprise communicating information, by at least one communication
unit, in selected one or more random access subslots. The one or more
times slots are divided into multiple subchannels, wherein each
subchannel of the multiple subchannels is non-overlapping in frequency
and divided into the one or more random access subslots that is
non-overlapping in time.