The LPI and LPD features of spread spectrum allow {HEAD ~ transmission} between {TAIL ~ users} of a spread spectrum CDMA communications system without the existing users of the mobile cellular system experiencing significant interference 
between
The LPI and LPD features of spread spectrum allow { HEAD ~ transmission } between { TAIL ~ users } of a spread spectrum CDMA communications system without the existing users of the mobile cellular system experiencing significant interference
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH