期刊
IEEE WIRELESS COMMUNICATIONS LETTERS
卷 11, 期 7, 页码 1468-1472出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LWC.2022.3174829
关键词
Downlink; Coherence time; Channel estimation; Interference; Signal to noise ratio; Data communication; Power control; Massive MIMO; session-based; zero-forcing
资金
- U.K. Research and Innovation Future Leaders Fellowships [MR/S017666/1]
- FMJH Program PGMO
- EDF
- Department for the Economy Northern Ireland under the US-Ireland R&D Partnership Programme
- ELLIIT
- KAW Foundation
This letter discusses the development of transmission strategies for downlink in massive MIMO networks in order to minimize completion time. A session-based scheme is introduced to allocate different rates to different users, resulting in lower interference levels and improved performance.
This letter considers the development of transmission strategies for the downlink of massive multiple-input multiple-output networks, with the objective of minimizing the completion time of the transmission. Specifically, we introduce a session-based scheme that splits time into sessions and allocates different rates in different sessions for the different users. In each session, one user is selected to complete its transmission and will not join subsequent sessions, which results in successively lower levels of interference when moving from one session to the next. An algorithm is developed to assign users and allocate transmit power that minimizes the completion time. Numerical results show that our proposed session-based scheme significantly outperforms conventional non-session-based schemes.
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