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相关论文: Uplink Cooperative NOMA for Cellular-Connected UAV

200 篇论文

In uplink non-orthogonal multiple access (NOMA) channels, the existing cooperative successive interference cancellation (SIC) and power control (PC) schemes lack the capability of achieving the full capacity region, which restricts the…

信息论 · 计算机科学 2022-02-02 Hongwu Liu , Zhiquan Bai , Hongjiang Lei , Gaofeng Pan , Kyeong Jin Kim , Theodoros A. Tsiftsis

This paper investigates the performance of cooperative non-orthogonal multiple access (C-NOMA) in a cellular downlink system. The system model consists of a base station (BS) serving multiple users, where users with good channel quality can…

信号处理 · 电气工程与系统科学 2020-02-17 Phuc Dinh , Mohamed Amine Arfaoui , Sanaa Sharafeddine , Chadi Assi , Ali Ghrayeb

In this paper, we investigate a hybrid multicast/ unicast scheme for a multiple-input single-output cache-aided non-orthogonal multiple access (NOMA) vehicular scenario in the face of rapidly fluctuating vehicular wireless channels.…

信息论 · 计算机科学 2020-11-24 Xinyue Pei , Hua Yu , Yingyang Chen , Miaowen Wen , Gaojie Chen

In this paper, we study the energy efficiency (EE) maximization problem for an uplink millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are formed according…

信息论 · 计算机科学 2019-03-15 Ming Zeng , Wanming Hao , Octavia A. Dobre , H. Vincent Poor

In this paper, we consider an unmanned aerial vehicle (UAV) based wireless network using non-orthogonal multiple access (NOMA) transmission in millimeter-wave frequencies to deliver broadband data in a spectrally efficient fashion at…

信息论 · 计算机科学 2019-06-26 Nadisanka Rupasinghe , Yavuz Yapici , Ismail Guvenc , Monisha Ghosh , Yuichi Kakishima

In this paper, we study the performance of non-orthogonal multiple access (NOMA) schemes in wireless powered communication networks (WPCN) focusing on the system energy efficiency (EE). We consider multiple energy harvesting user equipments…

信息论 · 计算机科学 2018-06-19 Tewodros A. Zewde , M. Cenk Gursoy

Power-domain non-orthogonal multiple access (NOMA) has become a promising technology to exploit the new dimension of the power domain to enhance the spectral efficiency of wireless networks. However, most existing NOMA schemes rely on the…

信号处理 · 电气工程与系统科学 2020-03-24 Min Fu , Yong Zhou , Yuanming Shi , Khaled B. Letaief

We investigate a coded uplink non-orthogonal multiple access (NOMA) configuration in which groups of co-channel users are modulated in accordance with orthogonal time frequency space (OTFS). We take advantage of OTFS characteristics to…

信息论 · 计算机科学 2021-02-10 Yao Ge , Qinwen Deng , P. C. Ching , Zhi Ding

This paper considers a cognitive radio inspired uplink communication scenario, where one primary user is allocated with one dedicated resource block, while $M$ secondary users compete with each other to opportunistically access the primary…

信息论 · 计算机科学 2023-07-06 Yanshi Sun , Wei Cao , Momiao Zhou , Zhiguo Ding

Non-orthogonal multiple access (NOMA) is a powerful transmission technique that enhances the spectral efficiency of communication links, and is being investigated for 5G standards and beyond. A major drawback of NOMA is the need to apply…

信息论 · 计算机科学 2022-10-18 Abdelhamid Salem , Xiao Tong , Ang Li , Christos Masouros

This paper studies hybrid beamforming (HB)-based non-orthogonal multiple access (NOMA) in multiuser millimeter wave (mmWave) communications. HB offers power-efficient and low-complexity precoding for downlink multiuser mmWave systems which…

信息论 · 计算机科学 2018-12-27 Mojtaba Ahmadi Almasi , Mojtaba Vaezi , Hani Mehrpouyan

This paper proposes a novel non-orthogonal multiple access (NOMA)-assisted orthogonal time-frequency space (OTFS)-integrated sensing and communication (ISAC) network, which uses unmanned aerial vehicles (UAVs) as air base stations to…

信号处理 · 电气工程与系统科学 2023-10-24 Luping Xiang , Ke Xu , Jie Hu , Christos Masouros , Kun Yang

In this work, we explore the potential benefits of deploying unmanned aerial vehicles (UAVs) as aerial base stations (ABSs) with sub-6GHz band and small cells terrestrial base stations (TBSs) with millimeter wave (mmWave) band in a hybrid…

信息论 · 计算机科学 2021-02-10 Cunzhuo Zhao , Yuanwei Liu , Yunlong Cai , Minjian Zhao , Zhiguo Ding

The novel concept of non-orthogonal multiple access (NOMA) aided joint radar and multicast-unicast communication (Rad-MU-Com) is investigated. Employing the same spectrum resource, a multi-input-multi-output (MIMO) dual-functional…

信息论 · 计算机科学 2022-09-14 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Lajos Hanzo

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

To support large-scale deployment of unmanned aerial vehicles (UAVs) in future, a new wireless communication paradigm, namely, cellular-connected UAV, has recently received an upsurge of interests in both academia and industry.…

信息论 · 计算机科学 2021-06-24 Weidong Mei , Rui Zhang

A simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RISs) enhanced uplink non-orthogonal multiple access (NOMA) communication system is proposed. A total power consumption minimization problem is…

信息论 · 计算机科学 2021-11-04 Jiakuo Zuo , Yuanwei Liu , Zhiguo Ding , Xianbin Wang

Non-orthogonal multiple access (NOMA) is a potential enabler for the development of 5G and beyond wireless networks. By allowing multiple users to share the same time and frequency, NOMA can scale up the number of served users, increase the…

信息论 · 计算机科学 2017-04-14 Wonjae Shin , Mojtaba Vaezi , Byungju Lee , David J. Love , Jungwoo Lee , H. Vincent Poor

In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

信号处理 · 电气工程与系统科学 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

This paper studies a pinching antenna system (PAS)-assisted hybrid uplink architecture that integrates over-the-air computation (AirComp) and non-orthogonal multiple access (NOMA) to simultaneously support distributed data aggregation and…

信号处理 · 电气工程与系统科学 2026-04-15 Saeid Pakravan , Imene Trigui , Wessam Ajib , Wei-Ping Zhu