The invention also includes {HEAD ~ a communication system} having {TAIL ~ a plurality} of channels, a first service that utilizes at least a first channel for transmission, and a second service that utilizes at least a second channel for transmission 
having
The invention also includes { HEAD ~ a communication system } having { TAIL ~ a plurality } of channels , a first service that utilizes at least a first channel for transmission , and a second service that utilizes at least a second channel for transmission
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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 OTH OTH OTH OTH OTH OTH OTH