SingleCarrier-Multicarrier

• Single carrier only uses one frequency point;

• multi carrier uses several frequency points to transmit information. If N frequencies transmit information to one user, the rate can be increased by N times.

Single-Carrier for 400G OTN

Dual-Carrier for 400G OTN

Quad-Carrier for 400G OTN

reference

• What is the difference between single carrier and dual carrier network
• 400G OTN Technologies: Single-Carrier, Dual-Carrier and Quad-Carrier