상세정보
학술지
User Grouping of Two-Stage MU-MIMO Precoding for Clustered User Geometry
- 발행일
- 201508
- 출처
- IEEE Communications Letters, v.19 no.8, pp.1458-1461
- ISSN
- 1089-7798
- 출판사
- IEEE
- 협약과제
- 15MI2100, (통합)초연결 스마트 모바일 서비스를 위한 5G 이동통신 핵심기술개발, 정현규
- 초록
- This letter investigates how user grouping, more specifically group partitioning, affects the sum-rate performance of a two-stage multiuser MIMO precoding scheme referred to as joint spatial division and multiplexing (JSDM). Taking a clustered user geometry model into account, we propose a new criterion for user grouping to noticeably improve the sum-rate performance of JSDM. Numerical results confirm that the user grouping based on the proposed criterion yields substantial performance enhancement.
- KSP 제안 키워드
- MIMO precoding, Multiuser Multiple-Input Multiple-Output(MU-MIMO), Numerical results, Sum rate, Two-Stage, User grouping, geometry model, joint spatial division and multiplexing(JSDM), multiuser MIMO, performance enhancement, precoding scheme