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