For simplicity of reference, {HEAD ~ the systems} and methods of {TAIL ~ the invention} will hereafter refer to the transceivers generically as modems 
For simplicity of reference , { HEAD ~ the systems } and methods of { TAIL ~ the invention } will hereafter refer to the transceivers generically as modems
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH