公开(公告)号：US20240072451A1

公开(公告)日：2024-02-29

申请号：US18135352

申请日：2023-04-17

Applicant: Korea Electronics Technology Institute

Inventor： Seung Goo NAM ,  Se Hwan CHOI

IPC: H01Q15/00 ,  H01Q3/44

CPC classification number: H01Q15/0013 ,  H01Q3/44

Abstract: There is provided an RIS with LC. According to an embodiment, an RIS includes: a plurality of RIS elements; and an RIS controller configured to control the RIS elements to steer an RF signal entering, and the RIS element includes: a first substrate; a second substrate; an antenna disposed between the first substrate and the second substrate; a ground disposed between the first substrate and the second substrate; and an LC phase shifter disposed between the antenna and the ground to change a phase of the RF signal entering. Accordingly, a phase shifter for changing a phase of an RF signal entering is implemented by using LC, so that an RIS may be implemented on a transparent window without obstructing light or a field of vision, and also, an outdoor reflect mode and an indoor transmit mode may be supported by one RIS.

公开(公告)号：US20250085323A1

公开(公告)日：2025-03-13

申请号：US18519288

申请日：2023-11-27

Applicant: Korea Electronics Technology Institute

Inventor： Seok Yeon HONG ,  Se Hwan CHOI ,  Seung Goo NAM

IPC: G01R29/08

Abstract: There is provided an antenna beam detection and monitoring apparatus which uses a beam intensity detection sheet with patterned coupling lines. The antenna beam detection apparatus according to an embodiment includes: a sheet which is disposed on an upper end of a beam radiation surface of an antenna and has a plurality of coupling lines formed therein to allow beams radiated from the antenna to be coupled thereto; and a plurality of detectors configured to measure intensities of beams coupled to the coupling lines, respectively, by using the beams radiated from the antenna. Accordingly, it is possible to monitor performance of an antenna in real time with a small-sized device and a low cost even when the antenna is operating.