Uplink Multiplexing of eMBB/URLLC Services Assisted by Reconfigurable Intelligent Surfaces

作     者：de Souza, Joao Henrique Inacio Croisfelt, Victor Kotaba, Radoslaw Abrao, Taufik Popovski, Petar 

作者机构：Univ Estadual Londrina Dept Elect Engn BR-86057970 Londrina Brazil Aalborg Univ Dept Elect Syst DK-9220 Aalborg Denmark 

出 版 物：《IEEE COMMUNICATIONS LETTERS》 (IEEE Commun Lett)

年 卷 期：2024年第28卷第9期

页      面：2206-2210页

核心收录：

学科分类：0810[工学-信息与通信工程] 0808[工学-电气工程] 08[工学] 

基　　金：CAPES National Council for Scientific and Technological Development (CNPq) of Brazil [405301/2021-9, 141445/2020-3, 310681/2019-7] Villum Fonden EU 

主　　题：Payloads Quality of service Reconfigurable intelligent surfaces Switches Signal processing algorithms Reconfigurable intelligent surface (RIS) enhanced mobile broadband (eMBB) ultra-reliable low-latency communications (URLLC) multiplexing ultra-reliable low-latency communications (URLLC) multiplexing 

摘      要：This letter proposes a scheme assisted by a reconfigurable intelligent surface (RIS) for efficient uplink traffic multiplexing between enhanced mobile broadband (eMBB) and ultra-reliable-low-latency communication (URLLC). The scheme determines two RIS configurations based only on the eMBB channel state information (CSI) available at the base station (BS). The first optimizes eMBB quality of service, while the second reduces eMBB interference in URLLC traffic by temporarily silencing the eMBB traffic. Numerical results demonstrate that this approach, relying solely on eMBB CSI and without BS coordination, can outperform the state-of-the-art preemptive puncturing by 4.9 times in terms of URLLC outage probability.