Performance of Collaborative MIMO Reception with User Grouping Schemes

IF 0.7 4区 计算机科学 Q3 Engineering IEICE Transactions on Communications Pub Date : 2023-01-01 DOI:10.1587/transcom.2023ebp3075
Eiku ANDO, Yukitoshi SANADA
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Abstract

This paper proposes user equipment (UE) grouping schemes and evaluates the performance of a scheduling scheme for each formed group in collaborative multiple-input multiple-output (MIMO) reception. In previous research, the criterion for UE grouping and the effects of group scheduling has never been presented. In the UE grouping scheme, two criteria, the base station (BS)-oriented one and the UE-oriented one, are presented. The BS-oriented full search scheme achieves ideal performance though it requires knowledge of the relative positions of all UEs. Therefore, the UE-oriented local search scheme is also proposed. As the scheduling scheme, proportional fairness scheduling is used in resource allocation for each formed group. When the number of total UEs increases, the difference in the number of UEs among groups enlarges. Numerical results obtained through computer simulation show that the throughput per user increases and the fairness among users decreases when the number of UEs in a cell increases in the proposed schemes compared to those of the conventional scheme.
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基于用户分组方案的协同MIMO接收性能研究
提出了用户设备(UE)分组方案,并对协同多输入多输出(MIMO)接收中各组成组调度方案的性能进行了评价。在以往的研究中,UE分组的准则和分组调度的效果从未被提出。在终端分组方案中,提出了面向基站和面向终端的两个标准。面向bs的全搜索方案虽然需要知道所有ue的相对位置,但性能很理想。因此,本文还提出了面向ue的局部搜索方案。调度方案采用比例公平调度,对每个组成的组进行资源分配。当总ue数增加时,组间ue数差异增大。通过计算机仿真得到的数值结果表明,与传统方案相比,当小区内ue数量增加时,所提出的方案的每用户吞吐量增加,用户间公平性降低。
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来源期刊
IEICE Transactions on Communications
IEICE Transactions on Communications ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS
CiteScore
1.50
自引率
28.60%
发文量
101
期刊介绍: The IEICE Transactions on Communications is an all-electronic journal published occasionally by the Institute of Electronics, Information and Communication Engineers (IEICE) and edited by the Communications Society in IEICE. The IEICE Transactions on Communications publishes original, peer-reviewed papers that embrace the entire field of communications, including: - Fundamental Theories for Communications - Energy in Electronics Communications - Transmission Systems and Transmission Equipment for Communications - Optical Fiber for Communications - Fiber-Optic Transmission for Communications - Network System - Network - Internet - Network Management/Operation - Antennas and Propagation - Electromagnetic Compatibility (EMC) - Wireless Communication Technologies - Terrestrial Wireless Communication/Broadcasting Technologies - Satellite Communications - Sensing - Navigation, Guidance and Control Systems - Space Utilization Systems for Communications - Multimedia Systems for Communication
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