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相关论文: Beamforming Techniques for Non-Orthogonal Multiple…

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Symbiotic radio (SR) networks are possible solutions to the future low-power wireless communications for massive Internet of Things devices. In this paper, we investigate a multiple-input-single-output non-orthogonal multiple access (NOMA)…

信息论 · 计算机科学 2019-06-11 Yiqing Li , Miao Jiang , Qi Zhang , Jiayin Qin

This letter investigates a downlink multiple input single output (MISO) system based on transmissive reconfigurable metasurface (RMS) transmitter. Specifically, a transmitter design based on a transmissive RMS equipped with a feed antenna…

信息论 · 计算机科学 2021-09-22 Zhendong Li , Wen Chen , Huanqing Cao

Non-Orthogonal Multiple Access (NOMA) is a multiplexing technique for future wireless, which when combined with Multiple-Input Multiple-Output (MIMO) unlocks higher capacities for systems where users have varying channel strength. NOMA…

信息论 · 计算机科学 2021-07-09 Jennifer Chakravarty , Oliver Johnson , Robert Piechocki

Non-orthogonal multiple access (NOMA) has attracted much recent attention owing to its capability for improving the system spectral efficiency in wireless communications. Deploying NOMA in heterogeneous network can satisfy users' explosive…

信息论 · 计算机科学 2018-01-16 Haijun Zhang , Fang Fang , Julian Cheng , Keping Long , Wei Wang , Victor C. M. Leung

Limited bandwidth resources and higher energy efficiency requirements motivate incorporating multicast and broadcast transmission into the next-generation cellular network architectures, particularly for multimedia streaming applications.…

信息论 · 计算机科学 2019-04-04 Junlin Zhao , Deniz Gündüz , Osvaldo Simeone , David Gómez-Barquero

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

信息论 · 计算机科学 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

This letter studies how the imperfect resolution of near-field beamforming, the key feature of near-field communications, can be used to improve the throughput and connectivity of wireless networks. In particular, a hybrid non-orthogonal…

信息论 · 计算机科学 2023-11-07 Zhiguo Ding , H. Vincent Poor

With the fast development of Internet of things (IoT), the fifth generation (5G) wireless networks need to provide massive connectivity of IoT devices and meet the demand for low latency. To satisfy these requirements, Non-Orthogonal…

网络与互联网体系结构 · 计算机科学 2018-02-07 Abbas Kiani , Nirwan Ansari

We consider a free space optical (FSO) backhauling system which consists of two base stations (BSs) and one central unit (CU). We propose to employ non-orthogonal multiple access (NOMA) for FSO backhauling where both BSs transmit at the…

信号处理 · 电气工程与系统科学 2017-10-17 Marzieh Najafi , Vahid Jamali , Panagiotis D. Diamantoulakis , George K. Karagiannidis , Robert Schober

This paper proposes a scheme for the envisioned sixth-generation (6G) ultra-massive Machine Type Communications(umMTC). In particular, wireless power transfer (WPT) assisted communication is deployed in non-orthogonal multiple access (NOMA)…

信号处理 · 电气工程与系统科学 2023-03-14 Shiyu Jiao , Fang Fang , Zhiguo Ding

Non Orthogonal Multiple Access (NOMA) is a key technique to satisfy large users densities in future wireless networks. However, NOMA may provide poor performance compared to Orthogonal Multiple Access (OMA) due to inter-user interference.…

信息论 · 计算机科学 2020-04-07 Mylene Pischella , Ivan Stupia , Luc Vandendorpe

This paper investigates the downlink transmission of reconfigurable intelligent surface (RIS)-aided cooperative non-orthogonal-multiple-access (C-NOMA), where both half-duplex (HD) and full-duplex (FD) relaying modes are considered. The…

信号处理 · 电气工程与系统科学 2021-01-06 Mohamed Elhattab , Mohamed Amine Arfaoui , Chadi Assi , Ali Ghrayeb

Non-orthogonal multiple access (NOMA) is a key technology to enable massive machine type communications (mMTC) in 5G networks and beyond. In this paper, NOMA is applied to improve the random access efficiency in high-density…

网络与互联网体系结构 · 计算机科学 2024-10-28 Sami Khairy , Prasanna Balaprakash , Lin X. Cai , H. Vincent Poor

Non-Orthogonal Multiple Access (NOMA) technology has emerged as a promising technology to enable massive connectivity and enhanced spectral efficiency in next-generation wireless networks. In this study, we propose a novel two-user downlink…

信息论 · 计算机科学 2025-12-19 Emirhan Zor , Bora Bozkurt , Ferkan Yilmaz

This paper proposes a secure users oriented multiple-input and single-output (MISO) non-orthogonal multiple access (NOMA) downlink transmission scheme, where multiple legitimate users are categorized as quality of service (QoS)-required…

信息论 · 计算机科学 2019-03-04 Hui-Ming Wang , Xu Zhang , Qian Yang , Theodoros A. Tsiftsis

In this paper, an reconfigurable intelligent surface (RIS)-aided millimeter wave (mmWave) non-orthogonal multiple access (NOMA) system is considered. In particular, we consider an RIS-aided mmWave-NOMA downlink system with a hybrid…

信号处理 · 电气工程与系统科学 2020-10-20 Yue Xiu , Jun Zhao , Wei Sun , Marco Di Renzo , Guan Gui , Zhongpei Zhang , Ning Wei

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

The high demand for data rate in the next generation of wireless communication could be ensured by Non-Orthogonal Multiple Access (NOMA) approach in the millimetre-wave (mmW) frequency band. Joint power allocation and beamforming of…

信号处理 · 电气工程与系统科学 2022-05-16 Abbas Akbarpour-Kasgari , Mehrdad Ardebilipour

The aim of this work is to propose new approaches for maximizing the energy efficiency of downlink 5G mobile communication systems, in the presence of a reactive jammer. The concepts of non-orthogonal multiple access (NOMA) and distributed…

信号处理 · 电气工程与系统科学 2019-03-28 Joumana Farah , Jacques Akiki , Eric Pierre Simon

In this paper, a hybrid non-orthogonal multiple access (NOMA) framework for the simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) enhanced cell-edge communication is investigated. Specifically, one…

信息论 · 计算机科学 2023-07-06 Jiayi Lei , Tiankui Zhang , Yuanwei Liu