The spread spectrum signals of the present invention are designed to be transparent to other users, i.e., spread spectrum signals are designed to provide {HEAD ~ negligible interference} to {TAIL ~ the communication} of other, existing users 
to
The spread spectrum signals of the present invention are designed to be transparent to other users , i.e. , spread spectrum signals are designed to provide { HEAD ~ negligible interference } to { TAIL ~ the communication } of other , existing users
OTH OTH 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 TAIL OTH OTH OTH OTH OTH