The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 01, 2026
Filed:
Apr. 18, 2022
Lg Electronics Inc., Seoul, KR;
Woosuk Kwon, Seoul, KR;
Joonhee Yoon, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A multicast signal transmission method, according to the embodiments, may comprise the steps of: receiving Internet Protocol (IP) streams from an upper layer; compressing, at a link layer, IP headers of the IP streams; generating link control information for link layer-related multicast; encapsulating IP header-compressed Robust Header Compression (ROHC) streams; encapsulating the link control information and an IP header compression-related descriptor; and transmitting, in a physical layer, a stream including the link control information, the descriptor and the ROHC streams. A multicast signal reception method, according to the embodiments, comprises the steps of: receiving a multicast signal from a physical layer; decompressing, at a link layer, IP headers of IP streams of the multicast signal; and parsing link control information for multicast, and an IP header compression-related descriptor, wherein IP header-compressed ROHC streams may be decapsulated.