H
ELECTRICITY
H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L1/00
Arrangements for detecting or preventing errors in the information received
H04L1/00
Arrangements for detecting or preventing errors in the information received
H04L1/12
by using return channel
H04L1/12
by using return channel
H04L1/16
in which the return channel carries supervisory signals, e.g. repetition request signals
H04L1/16
in which the return channel carries supervisory signals, e.g. repetition request signals