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20202022
most citedDownlink Analysis for Reconfigurable Intelligent Surfaces Aided NOMA Networks

6 citations · 11 across the 5 of their papers we have counts for

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cs.IT2022

Performance Analysis of Reconfigurable Intelligent Surface Assisted Two-Way NOMA Networks

Ziwei Liu, Xinwei Yue, Chao Zhang +4

This paper investigates the performance of reconfigurable intelligent surface assisted two-way non-orthogonal multiple access (RIS-TW-NOMA) networks, where a pair of users exchange…

cs.IT2022

Semi-Integrated-Sensing-and-Communication (Semi-ISaC) Networks Assisted by NOMA

Chao Zhang, Wenqiang Yi, Yuanwei Liu

This paper investigates non-orthogonal multiple access (NOMA) assisted integrated sensing and communication (ISaC) networks. Compared to the conventional ISaC networks, where the t…

cs.IT2021

STAR-IOS Aided NOMA Networks: Channel Model Approximation and Performance Analysis

Chao Zhang, Wenqiang Yi, Yuanwei Liu +2

Simultaneous transmitting and reflecting intelligent omini-surfaces (STAR-IOSs) are able to achieve full coverage "smart radio environments". By splitting the energy or altering th…

cs.IT2020★ 5 cited

Semi-Grant-Free NOMA: A Stochastic Geometry Model

Chao Zhang, Yuanwei Liu, Zhijin Qin +1

Grant-free (GF) transmission holds promise in terms of low latency communication by directly transmitting messages without waiting for any permissions. However, collision situation…

cs.IT2020★ 6 cited

Downlink Analysis for Reconfigurable Intelligent Surfaces Aided NOMA Networks

Chao Zhang, Wenqiang Yi, Yuanwei Liu +2

By activating blocked users and altering successive interference cancellation (SIC) sequences, reconfigurable intelligent surfaces (RISs) become promising for enhancing non-orthogo…