US 11,722,355 B2
Apparatus and method for transmitting and receiving 4-layer layered-division multiplexing signal
Jae-Hwui Bae, Daejeon (KR); Young-Su Kim, Sejong (KR); Dong-Joon Choi, Daejeon (KR); and Nam-Ho Hur, Sejong (KR)
Assigned to ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed by ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Daejeon (KR)
Filed on Apr. 1, 2021, as Appl. No. 17/220,659.
Claims priority of application No. 10-2020-0048953 (KR), filed on Apr. 22, 2020.
Prior Publication US 2021/0336837 A1, Oct. 28, 2021
Int. Cl. H04L 27/34 (2006.01); H04L 1/00 (2006.01); H04J 99/00 (2009.01)
CPC H04L 27/3488 (2013.01) [H04J 99/00 (2022.08); H04L 1/0071 (2013.01)] 16 Claims
OG exemplary drawing
 
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.