CPC H04L 27/3488 (2013.01) [H04J 99/00 (2022.08); H04L 1/0071 (2013.01)] | 16 Claims |
1. An apparatus for receiving a 4-layer Layered-division Multiplexing (LDM) signal, comprising:
a reception unit for receiving a 4-layer LDM signal;
a PN sequence detection unit for detecting a PN sequence from the 4-layer LDM signal, and cancelling the PN sequence from the 4-layer LDM signal; and
an LDM demodulation unit for reconstructing a 3-layer LDM signal, in which the PN sequence is cancelled from the 4-layer LDM signal, into three layer signals.
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