Channel hopping is performed upon detecting an interruption of communication, such that {HEAD ~ a scan} is performed through {TAIL ~ an array} of channels selected from the plurality of channels 
is performed through
Channel hopping is performed upon detecting an interruption of communication , such that { HEAD ~ a scan } is performed through { TAIL ~ an array } of channels selected from the plurality of channels
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH