{HEAD ~ The packet header} is modulated with {TAIL ~ a spread spectrum technique} and the spread spectrum signal demodulator produces a packet header detection signal representing a successful detection of a predefined packet header value 
is modulated with
{ HEAD ~ The packet header } is modulated with { TAIL ~ a spread spectrum technique } and the spread spectrum signal demodulator produces a packet header detection signal representing a successful detection of a predefined packet header value
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH