中文
相关论文

相关论文: OTFS-NOMA System for MIMO Communication Networks w…

200 篇论文

By combining the concepts of superposition coding at the transmitter(s) and successive interference cancellation (SIC) at the receiver(s), non-orthogonal multiple access (NOMA) has recently emerged as a promising multiple access technique…

网络与互联网体系结构 · 计算机科学 2016-08-23 Hina Tabassum , Md Shipon Ali , Ekram Hossain , Md. Jahangir Hossain , Dong In Kim

This work introduces downlink non-orthogonal multiple access (NOMA) into short-packet communications. NOMA has great potential to improve fairness and spectral efficiency with respect to orthogonal multiple access (OMA) for low-latency…

信息论 · 计算机科学 2018-06-12 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

We consider multiple transmitters aiming to communicate their source signals (e.g., images) over a multiple access channel (MAC). Conventional communication systems minimize interference by orthogonally allocating resources (time and/or…

网络与互联网体系结构 · 计算机科学 2025-04-08 Selim F. Yilmaz , Can Karamanli , Deniz Gunduz

In nonorthogonal multiple access (NOMA), the power difference of multiple signals is exploited for multiple access and successive interference cancellation (SIC) is employed at a receiver to mitigate co-channel interference. Thus, NOMA is…

信息论 · 计算机科学 2017-06-28 Jinho Choi

In this paper, non-orthogonal multiple access (NOMA) is applied to large-scale underlay cognitive radio (CR) networks with randomly deployed users. In order to characterize the performance of the considered network, new closed-form…

信息论 · 计算机科学 2016-11-18 Yuanwei Liu , Zhiguo Ding , Maged Elkashlan , Jinhong Yuan

In this paper, a non-orthogonal multiple access (NOMA) system with partial channel state information (CSI) for downlink and uplink transmission in mobile scenarios is considered, i.e., users are deployed randomly and will move casually…

信息论 · 计算机科学 2020-08-19 Hao Qiu , Shaoshuai Gao

Non-orthogonal multiple access (NoMA) as an efficient way of radio resource sharing can root back to the network information theory. For generations of wireless communication systems design, orthogonal multiple access (OMA) schemes in time,…

In this paper, an efficient transmit beam design and user scheduling method is proposed for multi-user (MU) multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) downlink, based on Pareto-optimality. The proposed beam…

信息论 · 计算机科学 2018-05-09 Junyeong Seo , Youngchul Sung

The integration of non-orthogonal multiple access in millimeter-Wave communications (mmWave-NOMA) can significantly improve the spectrum efficiency and increase the number of users in the fifth-generation (5G) mobile communication. In this…

信息论 · 计算机科学 2018-11-08 Zhenyu Xiao , Lipeng Zhu , Zhen Gao , Dapeng Oliver Wu , Xiang-Gen Xia

This article investigates the exploitation of semantic communications in multi-user networks. We propose a novel heterogeneous semantic and bit multi-user framework for providing flawless, customized, and intelligent information…

信息论 · 计算机科学 2022-11-17 Xidong Mu , Yuanwei Liu

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

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

Orthogonal Frequency Division Multiple Access (OFDMA) as well as other orthogonal multiple access techniques fail to achieve the system capacity limit in the uplink due to the exclusivity in resource allocation. This issue is more prominent…

信息论 · 计算机科学 2017-05-12 Mohammed Al-Imari , Pei Xiao , Muhammad Ali Imran , Rahim Tafazolli

This paper investigates movable antenna (MA) aided non-orthogonal multiple access (NOMA) for multi-user downlink communication, where the base station (BS) is equipped with a fixed-position antenna (FPA) array to serve multiple MA-enabled…

信息论 · 计算机科学 2024-12-18 Zhenyu Xiao , Zhe Li , Lipeng Zhu , Boyu Ning , Daniel Benevides da Costa , Xiang-Gen Xia , Rui Zhang

In this paper, a novel cooperative non-orthogonal multiple access (NOMA) system is proposed, where one near user is employed as decode-and-forward (DF) relaying switching between full-duplex (FD) and half-duplex (HD) mode to help a far…

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

We provide in this paper a comprehensive solution to the design, performance analysis, and optimization of a multi-antenna non-orthogonal multiple access (NOMA) system for multiuser downlink communications under a general limited channel…

信息论 · 计算机科学 2019-12-03 Zhiyao Tang , Liang Sun , Lu Cao , Shutong Qi , and Yong Feng

In this paper, non-orthogonal multiple access (NOMA) downlink transmission is integrated with orbital angular momentum (OAM) based mode division multiple access (MDMA), called NOMA-OAM-MDMA. Different OAM modes can generate different OAM…

网络与互联网体系结构 · 计算机科学 2019-11-04 Ahmed Al Amin , Soo Young Shin

In this paper, a downlink multiple input multiple output (MIMO) non-orthogonal multiple access (NOMA) wireless communication system is considered. In NOMA systems, the base station has unicast data for all users, and multiple users in a…

信号处理 · 电气工程与系统科学 2020-08-06 Ahmet Zahid Yalcin , Mustafa Kagan Cetin , Melda Yuksel

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

This paper proposes a unified framework of non-orthogonal multiple access (NOMA) networks. Stochastic geometry is employed to model the locations of spatially NOMA users. The proposed unified NOMA framework is capable of being applied to…

信息论 · 计算机科学 2019-01-23 Xinwei Yue , Zhijin Qin , Yuanwei Liu , Shaoli Kang , Yue Chen