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:
Mar. 03, 2026
Filed:
Nov. 12, 2021
Lg Electronics Inc., Seoul, KR;
Jayeong Kim, Seoul, KR;
Byoung Hoon Kim, Seoul, KR;
Hojae Lee, Seoul, KR;
Sangrim Lee, Seoul, KR;
Byungkyu Ahn, Seoul, KR;
LG ELECTRONICS INC., Seoul, KR;
Abstract
A communication system supporting quantum key distribution is disclosed. A method performed by a first device comprises transmitting or receiving a random access (RA) preamble to or from a second device, receiving or transmitting a random access response (RAR) message from or to the second device as a response to the RA preamble, performing a radio resource control (RRC) connection procedure with the second device, generating a sift key for communication with the second device and performing communication through a radio channel with the second device using the sift key.