Technology trends
Patent search
Sign In
Sign Up
Patent classifications
H
ELECTRICITY
Load children
H04
ELECTRIC COMMUNICATION TECHNIQUE
Load children
H04L
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
Load children
27/00
Modulated-carrier systems
Load children
Filter patents
View analytics
View as hierarchy
H04L27/18
Phase-modulated carrier systems, i.e. using phase-shift keying
Load children
Filter patents
View analytics
View as hierarchy
H04L27/186
in which the information is carried by both the individual signal points and the subset to which the individual signal points belong, e.g. coset coding or related schemes
Filter patents
View analytics
View as hierarchy