IPC Definitions - January 01, 2012

H04L 27/00 - Definition fr

Definition statement

This main group covers:

Passband aspects of data transmission, e.g. modulating and demodulating of signals, arrangements for provision and recovery of carriers.

Informative references

Attention is drawn to the following places, which may be of interest for search:

Modulator circuits in general

H03C

Demodulator circuits in general

H03D

Synonyms and Keywords

OFDM

Orthogonal Frequency Division Multiplex

PSK

Phase Shift Keying

QAM

Quadrature Amplitude Modulation

ASK

Amplitude Shift Keying

OOK

On-Off Keying

FSK

Frequency Shift Keying

CPM

Continuous Phase Modulation