In another aspect, the invention comprises {HEAD ~ a method} of providing synchronized packet slot switching and {TAIL ~ synchronized transmission} of packet data 
of providing
In another aspect , the invention comprises { HEAD ~ a method } of providing synchronized packet slot switching and { TAIL ~ synchronized transmission } of packet data
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH