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