H
ELECTRICITY
H04
ELECTRIC COMMUNICATION TECHNIQUE
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
H04L27/00
Modulated-carrier systems
H04L27/26
Systems using multi-frequency codes
H04L27/2601
Multicarrier modulation systems
H04L27/2647
Arrangements specific to the receiver only
H04L27/2655
Synchronisation arrangements
H04L27/2662
Symbol synchronisation
H04L27/2663
Coarse synchronisation, e.g. by correlation