Invention Application
- Patent Title: COMMUNICATION SYSTEM AND METHOD USING LARGE INTELLIGENT SURFACE
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Application No.: US17969153Application Date: 2022-10-19
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Publication No.: US20230139611A1Publication Date: 2023-05-04
- Inventor: Seijoon SHIM
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Priority: KR10-2021-0148735 20211102
- Main IPC: H04W16/28
- IPC: H04W16/28 ; H04B7/06 ; H04W48/10 ; H04W72/08

Abstract:
A wireless communication method using a large intelligent surface (LIS) is provided. The method includes transmitting preamble signals each with a different transmission time and transmission direction, receiving preamble signals through an LIS through which an incident radio wave is received and reflected and determining a reference angle of incidence for the preamble signals, receiving the preamble signals that are delivered through a multipath from the terminal, transmitting identification information of a preamble signal having the largest reception power among the received preamble signals to the LIS server, and when the preamble signals includes a preamble signal corresponding to the identification information received from the base station, controlling the LIS such that an angle of reflection at which a data service signal transmitted from the base station is reflected by the LIS corresponds to the reference angle of incidence determined for the preamble signal of the identification information.
Information query