Alternating beamforming with intelligent reflecting surface element allocation지능형 반사 표면의 소자 할당을 이용한 교대 빔포밍 기법

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Intelligent reflecting surface (IRS) has become a promising technology to aid next generation wireless communication systems. In this paper, we develop an alternating beamforming technique with a novel concept of IRS element allocation for multiple-input multiple-output systems when a base station supports multiple single antenna users aided with a single IRS. Specifically, we allocate each IRS element separately to each user, thus, in the beamforming stage allowing the IRS element only consider a single user at a time. In result to this separation, the complexity is vastly decreased. The proposed beamforming technique tries to maximize the minimum rate or sum rate of all users with minimal complexity. In the numerical results, we show that the proposed technique is comparable to the convex optimization-based benchmark with sufficiently less complexity.
Advisors
Choi, Junilresearcher최준일researcher
Description
한국과학기술원 :전기및전자공학부,
Publisher
한국과학기술원
Issue Date
2021
Identifier
325007
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학부, 2021.2,[ii, 19 p. :]

Keywords

IRS element allocation▼aalternating beamforming▼aminimum rate maximization▼asum rate maximization▼alow complexity beamforming; 지능형 반사 표면 소자 할당▼a교대 빔포밍▼a최소 정보 전달율 최대화▼a합산 정보 전달율 최대화▼a저복잡도 빔포밍

URI
http://hdl.handle.net/10203/296077
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=948982&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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