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Non-orthogonal multiple access (NOMA) is considered to be one of the best candidates for future networks due to its ability to serve multiple users using the same resource block. Although early studies have focused on transmission…

信号处理 · 电气工程与系统科学 2019-07-15 Furqan Jameel , Wali Ullah Khan , Zheng Chang , Tapani Ristaniemi , Ju Liu

A generalized downlink multi-antenna non-orthogonal multiple access (NOMA) transmission framework is proposed with the novel concept of cluster-free successive interference cancellation (SIC). In contrast to conventional NOMA approaches,…

信息论 · 计算机科学 2022-08-02 Xiaoxia Xu , Yuanwei Liu , Xidong Mu , Qimei Chen , Zhiguo Ding

Mobile relaying is emerged as a promising technique to assist wireless communication, driven by the rapid development of unmanned aerial vehicles (UAVs). In this paper, we study secure transmission in a four-node (source, destination,…

信息论 · 计算机科学 2018-07-24 Qian Wang , Zhi Chen , Shaoqian Li

Unmanned aerial vehicles (UAVs) are developing rapidly owing to flexible deployment and access services as air base stations. However, the channel errors of low-altitude communication links formed by mobile deployment of UAVs cannot be…

信息论 · 计算机科学 2020-05-06 Haijun Zhang , Jianmin Zhang , Keping Long

This study considers an orthogonal frequency-division multiple-access (OFDMA)-based multi-user two-way relay network where multiple mobile stations (MSs) communicate with a common base station (BS) via multiple relay stations (RSs). We…

信息论 · 计算机科学 2012-01-04 Hao Zhang , Yuan Liu , Meixia Tao

We investigate the performance of the pinching-antenna systems (PASS) for semantic communication (SC) in both single-waveguide and multi-waveguide scenarios, under the constraints of bit-user quality of service (QoS) and bit-to-semantic…

信号处理 · 电气工程与系统科学 2026-04-08 Ishtiaque Ahmed , Haris Parvaiz , Leila Musavian

Mobile edge computing (MEC) has been envisaged as a promising technique in the next-generation wireless networks. In order to improve the security of computation tasks offloading and enhance user connectivity, physical layer security and…

信息论 · 计算机科学 2019-10-23 Wei Wu , Fuhui Zhou , Rose Qingyang Hu , Baoyun Wang

In this paper, we consider simultaneous wireless information and power transfer (SWIPT) in orthogonal frequency division multiple access (OFDMA) systems with the coexistence of information receivers (IRs) and energy receivers (ERs). The IRs…

信息论 · 计算机科学 2015-09-04 Meng Zhang , Yuan Liu , Rui Zhang

A non-orthogonal multiple access (NOMA) empowered integrated sensing and communication (ISAC) framework is investigated. A dual-functional base station serves multiple communication users employing NOMA, while the superimposed NOMA…

信息论 · 计算机科学 2022-01-06 Zhaolin Wang , Yuanwei Liu , Xidong Mu , Zhiguo Ding , Octavia A. Dobre

This paper studies the application of reconfigurable intelligent surface (RIS) to cooperative non-orthogonal multiple access (C-NOMA) networks with simultaneous wireless information and power transfer (SWIPT). We aim for maximizing the rate…

信息论 · 计算机科学 2022-04-19 Juanjuan Ren , Xianfu Lei , Zhangjie Peng , Xiaohu Tang , Octavia A. Dobre

This paper investigates the problem of joint subcarrier and power allocation in the coexistence of radar and multi-user communication systems. Specifically, in our research scenario, the base station (BS) provides information transmission…

信息论 · 计算机科学 2023-08-23 Jia Zhu , Yifeng Xiong , Junsheng Mu , Ronghui Zhang , Xiaojun Jing

This paper proposes and optimizes a cooperative non-orthogonal multiple-access (Co-NOMA) scheme in the context of multicell visible light communications (VLC) networks, as a means to mitigate inter-cell interference in Co-NOMA-enabled…

Non-orthogonal multiple access (NOMA) is regarded as a candidate radio access technique for the next generation wireless networks because of its manifold spectral gains. A two-phase cooperative relaying strategy (CRS) is proposed in this…

信息论 · 计算机科学 2019-02-26 Md. Fazlul Kader , Mohammed Belal Uddin , S. M. Riazul Islam , Soo Young Shin

In recent years, Non-Orthogonal Multiple Access (NOMA) system has emerged as a promising candidate for multiple access frameworks due to the evolution of deep machine learning, trying to incorporate deep machine learning into the NOMA…

人工智能 · 计算机科学 2026-01-21 WooSeok Kim , Jeonghoon Lee , Sangho Kim , Taesun An , WonMin Lee , Dowon Kim , Kyungseop Shin

In this paper, we study a multi-user multiple-input-multiple-output secrecy simultaneous wireless information and power transfer (SWIPT) channel which consists of one transmitter, one cooperative jammer (CJ), multiple energy receivers…

信息论 · 计算机科学 2018-02-02 Zhengyu Zhu , Zheng Chu , Ning Wang , Zhongyong Wang , Inkyu Lee

This paper presents a feasibility study for a novel positioning-communication integrated signal called Multi-Scale Non-Orthogonal Multiple Access (MS-NOMA) for 5G positioning. One of the main differences between the MS-NOMA and the…

信号处理 · 电气工程与系统科学 2019-10-11 Lu Yin , Jiameng Cao , Zhongliang Deng , Qiang Ni , Song Li , Xinyu Zheng , Hanhua Wang

Hybrid non-orthogonal multiple access (H-NOMA) is inherently an enabler of massive machine type communications, a key use case for sixth-generation (6G) systems. Together with backscatter communication (BackCom), it seamlessly integrates…

信息论 · 计算机科学 2025-05-13 Muhammad Fainan Hanif , Le-Nam Tran , Zhiguo Ding , Tharmalingam Ratnarajah

Cognitive radio non-orthogonal multiple access (CR-NOMA) networks promise improved spectrum utilization and capacity in 5G networks. In this work, we aim to investigate efficient power allocation for the secondary users (SUs) in underlay…

信号处理 · 电气工程与系统科学 2021-01-05 Shaima S. Abidrabbu , Huseyin Arslan

A reconfigurable intelligent surface (RIS)-assisted non-orthogonal multiple access (NOMA) system is investigated, where the transmitter (Alice) is a dual functional radar communication (DFRC) base station (BS) that aims to sense the…

信号处理 · 电气工程与系统科学 2026-03-30 Jiayi Lei , Xidong Mu , Tiankui Zhang , Wenjun Xu , Ping Zhang

This paper considers the secrecy outage performance of a multiple-relay assisted non-orthogonal multiple access (NOMA) network over Nakagami-$m$ fading channels. Two slots are utilized to transmit signals from the base station to…