Samsung Electronics Co., Ltd.

Korea Advanced Institute of Science and Technology

Chae-Jun Lee

Chul-Soon Park

In-Sang Song

Inn-Yeal Oh

Joong-Ho Lee

Duck-Dong Hwang

Won-Suk Choi

A wireless communication system provides an antenna apparatus for the wireless communication system. The antenna apparatus includes a base, a plurality of Yagi-Uda antenna modules disposed in a specific arrangement, a plurality of floating metal modules correspondingly installed in upper portions of the Yagi-Uda antenna modules and selectively connected to a corresponding Yagi-Uda module among the plurality of Yagi-Uda antenna modules, a switching element for selectively switching the floating metal module and the Yagi-Uda antenna module, and a controller for controlling the Yagi-Uda antenna module to comprise a directivity in a desired direction by selectively switching the switching element.

Method and apparatus for beamforming

An antenna device in a wireless communication includes antenna wires of four sides which include three feeding points and have a loop structure and four main switches which are located among the antenna wires of the four sides, wherein the antenna device operates as a loop antenna when the antenna wires of the four sides are connected according to operations of the main switches and wherein the antenna device operates as dipole antennas when the antenna wires of the four sides are disconnected according to operations of the main switches.

Antenna structure in wireless communication system and operation method thereof

Growing community of inventors

Daejeon, South Korea

Chae-Jun Lee