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相关论文: Uplink Non-Orthogonal Multiple Access with Finite-…

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This work provides a generalized performance analysis for the multi-user uplink-NOMA system with adaptive square quadrature amplitude modulation (QAM) over Rayleigh fading channels. Motivated by the massive IoT connections and…

信息论 · 计算机科学 2022-04-29 Hichem Semira , Ferdi Kara , Hakan Kaya , Halim Yanikomeroglu

Non-orthogonal multiple access (NOMA) has been recognized as a promising multiple access technique for the next generation cellular communication networks. In this paper, we first discuss a simple NOMA model with two users served by a…

信息论 · 计算机科学 2016-09-08 Zhiqiang Wei , Jinhong Yuan , Derrick Wing Kwan Ng , Maged Elkashlan , Zhiguo Ding

In this study, we propose a novel three-user noise-domain non-orthogonal multiple access (ND-NOMA) scheme by introducing the correlation as a new dimension besides mean and variance quantities used in two-user ND-NOMA. The new three-user…

信息论 · 计算机科学 2025-09-30 Erkin Yapici , Yusuf Islam Tek , Ertugrul Basar

Non-orthogonal multiple access (NOMA) is a promising radio access technology for the 5G wireless systems. The core of NOMA is to support multiple users in the same resource block via power or code domain multiplexing, which provides great…

信息论 · 计算机科学 2019-06-03 Xianhao Chen , Gang Liu , Zheng Ma , Xi Zhang , Pingzhi Fan , Shanzhi Chen , F. Richard Yu

This paper addresses the fairness issue within fluid antenna system (FAS)-assisted non-orthogonal multiple access (NOMA) and orthogonal multiple access (OMA) systems, where a single fixed-antenna base station (BS) transmits…

信号处理 · 电气工程与系统科学 2024-03-04 Junteng Yao , Liaoshi Zhou , Tuo Wu , Ming Jin , Cunhua Pan , Maged Elkashlan , Kai-Kit Wong

This paper considers a downlink non-orthogonal multiple access (NOMA) system where the source intends to transmit independent information to the users at targeted data rates under statistical channel state information at the transmitter.…

信息论 · 计算机科学 2015-07-17 Sulong Shi , Longxiang Yang , Hongbo Zhu

In this paper, we introduce a clustered millimeter wave network with non-orthogonal multiple access (NOMA), where the base station (BS) is located at the center of each cluster and all users follow a Poisson Cluster Process. To provide a…

信息论 · 计算机科学 2018-01-29 Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan

Non-orthogonal multiple access (NOMA) technique has sparked a growing research interest due to its ability to enhance the overall spectral efficiency of wireless systems. In this paper, we investigate the pairwise error probability (PEP)…

信号处理 · 电气工程与系统科学 2018-04-12 Lina Bariah , Arafat Al-Dweik , Sami Muhaidat

In this paper, facilitated via the flexible software defined structure of the radio access units in 5G, we propose a novel dynamic multiple access technology selection among orthogonal multiple access (OMA) and non-orthogonal multiple…

信号处理 · 电气工程与系统科学 2018-11-28 Mina Baghani , Saeedeh Parsaeefard , Mahsa Derakhshani , Walid Saad

This letter investigates a short-packet downlink transmission system using non-orthogonal multiple access (NOMA) enhanced via movable antenna (MA). We focuses on maximizing the effective throughput for a core user while ensuring reliable…

信号处理 · 电气工程与系统科学 2024-06-12 Xinyuan He , Wen Chen , Qingqing Wu , Xusheng Zhu , Nan Cheng

This paper proposes a new communication protocol for a cooperative non-orthogonal multiple access (NOMA) system. In this system, based on users' channel conditions, each two NOMA users are paired to reduce system complexity. In this…

信号处理 · 电气工程与系统科学 2018-03-29 Duc-Dung Tran , Ha-Vu Tran , Dac-Binh Ha , Georges Kaddoum

This paper studies the application of cooperative techniques for non-orthogonal multiple access (NOMA). More particularly, the fixed gain amplify-and-forward (AF) relaying with NOMA is investigated over Nakagami-$m$ fading channels. Two…

信息论 · 计算机科学 2018-12-19 Xinwei Yue , Yuanwei Liu , Shaoli Kang , Arumugam Nallanathan

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

In this paper, we propose a novel joint caching and non-orthogonal multiple access (NOMA) scheme to facilitate advanced downlink transmission for next generation cellular networks. In addition to reaping the conventional advantages of…

信息论 · 计算机科学 2018-01-30 Lin Xiang , Derrick Wing Kwan Ng , Xiaohu Ge , Zhiguo Ding , Vincent W. S. Wong , Robert Schober

With the advent of the 6G mobile communication network era, the existing non-orthogonal multiple-access (NOMA) technology faces the challenge of high successive interference in multi-user scenarios, which limits its ability to support more…

新兴技术 · 计算机科学 2025-02-25 Zihan Li , Youzhi Li , Chenyu Liuand Yuhao Lian

This work proposes a novel location-based multi-group multicast framework which is termed as non-orthogonal multiple access (NOMA) assisted multi-region geocast. This novel spectrum sharing framework exploits the NOMA technology to realize…

信息论 · 计算机科学 2017-11-30 Yi Zhang , Hui-Ming Wang , Zhiguo Ding , Moon Ho Lee

Non-orthogonal multiple access (NOMA) is a part of 5th generation (5G) communication systems. This article presents the underpinnings and underlying structures of the problem of NOMA user-channel allocation. Unlike the heuristics for NOMA…

信号处理 · 电气工程与系统科学 2019-06-25 Shabnam Sodagari

Non-orthogonal multiple access (NOMA) is one of the key techniques to address the high spectral efficiency and massive connectivity requirements for the fifth generation (5G) wireless system. To efficiently realize NOMA, we propose a joint…

信息论 · 计算机科学 2018-02-14 Jincheng Dai , Kai Niu , Zhongwei Si , Chao Dong , Jiaru Lin

Non-orthogonal multiple access (NOMA) has received tremendous attention for the design of radio access techniques for fifth generation (5G) wireless networks and beyond. The basic concept behind NOMA is to serve more than one user in the…

信息论 · 计算机科学 2019-06-25 Mojtaba Vaezi , Robert Schober , Zhiguo Ding , H. Vincent Poor

Nonorthogonal multiple access (NOMA) is a promising technology to meet the demands of the next generation wireless networks on massive connectivity, high throughput and reliability, improved fairness, and low latency. In this context,…

信息论 · 计算机科学 2018-04-17 Mohammad Vahid Jamali , Hessam Mahdavifar