… multiple-antenna BSs serve several single-antenna users. Furthermore, we consider multiple RISs in the system … The reason is that, as we showed in [52], the position of RISs plays a …
BC Nguyen, TM Hoang, N Van Vinh, GT Luu - Computer Communications, 2023 - Elsevier
… we use multipleRISs to support a NOMAsystem with multiple … a RIS-NOMAsystem with multipleRISs and multiple users. … was used, multipleRISs in the RIS-NOMAsystem can arrange …
… In this article, in order to simultaneously control multipleRISs, the global CSI is assumed to be perfectly available at the RIS controller. Since user W is the prioritized user, we aim for …
PT Tran, BC Nguyen, TM Hoang, N Van Vinh - Computer Networks, 2022 - Elsevier
… multipleRISs and multiple relays for many applications. In particular, the RIS-R-NOMAsystem … We investigate a RIS-R-NOMAsystem, where multipleRISs and a relay are combined to …
N Van Vinh - Digital Signal Processing, 2023 - Elsevier
… NOMAsystems without UAVs-RISs. In other words, by utilizing UAVs-… multiple UAVs mounted with multipleRISs to aid multiuser in NOMAsystems (referred to as the UAVs-RISs-NOMA …
Y Li, M Jiang, Q Zhang, J Qin - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
… multiple-input-single-output (MISO) communication systems … at the RISs, in RIS-aided downlink multi-user MISO system. In … was considered where a multi-antenna BS communicates …
HQ Tran, QT Vien - Wireless Communications and Mobile …, 2023 - Wiley Online Library
… In Figure 2, we compare the OP of the RIS-NOMAsystem with a scenario where M RISs are equipped with N reflecting components and imperfect SIC for D 1 . Here, M = 3, 5, N R = N T …
L Liu, B Li, W Wu, H Wang… - IEEE Communications …, 2023 - ieeexplore.ieee.org
… , while RISs, with inter-RIS reflection, were only deployed near the BSs in [10]… , we consider a multi-reflection RIS assisted cooperative multi-cell NOMA uplink system where RISs are …
BC Nguyen, NT Xuan, HT Manh, HLT Thanh, PT Hiep - Wireless Networks, 2023 - Springer
… was used, we investigate the case that multipleRISs are distributed in different locations. … multi-RIS aided UAV-NOMA-mmWave system (refer as the RIS-UAV-NOMA-mmWave system…