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This article investigates a non-orthogonal multiple access (NOMA) enhanced Internet of Things (IoT) network. In order to provide connectivity, a novel cluster strategy is proposed, where multiple devices can be served simultaneously. Two…

信息论 · 计算机科学 2020-01-14 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

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

In this paper we explore non-orthogonal multiple access (NOMA) in millimeter-wave (mmWave) communications (mmWave-NOMA). In particular, we consider a typical problem, i.e., maximization of the sum rate of a 2-user mmWave-NOMA system. In…

信息论 · 计算机科学 2017-11-07 Zhenyu Xiao , Lipeng Zhu , Jinho Choi , Pengfei Xia , Xiang-Gen Xia

The ambitious high data-rate applications in the envisioned future B5G networks require new solutions, including the advent of more advanced architectures than the ones already used in 5G networks, and the coalition of different…

信息论 · 计算机科学 2020-08-05 Omar Maraqa , Aditya S. Rajasekaran , Saad Al-Ahmadi , Halim Yanikomeroglu , Sadiq M. Sait

A feature of the Internet of Things (IoT) is that some users in the system need to be served quickly for small packet transmission. To address this requirement, a new multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA)…

信息论 · 计算机科学 2016-03-02 Z. Ding , L. Dai , H. V. Poor

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

In this thesis, we study performance analysis and resource allocation designs for non-orthogonal multiple access (NOMA) in wireless communication systems. In contrast to conventional orthogonal multiple access (OMA) schemes, NOMA allows…

信息论 · 计算机科学 2019-10-03 Zhiqiang Wei

This work introduces, for the first time, non-orthogonal multiple access (NOMA) into short-packet communications to achieve low latency in wireless networks. Specifically, we address the optimization of transmission rates and power…

信息论 · 计算机科学 2017-09-20 Xiaofang Sun , Shihao Yan , Nan Yang , Zhiguo Ding , Chao Shen , Zhangdui Zhong

A non-orthogonal multiple access (NOMA)-aided joint communication, sensing, and multi-tier computing (JCSMC) framework is proposed. In this framework, a multi-functional base station (BS) carries out target sensing, while providing edge…

信息论 · 计算机科学 2022-12-29 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Xiaodong Xu , Ping Zhang

This paper presents an enhanced design of multi-dimensional (MD) constellations which play a pivotal role in many communication systems such as code-domain non-orthogonal multiple access (CD-NOMA). MD constellations are attractive as their…

信息论 · 计算机科学 2022-07-25 Haifeng Wen , Zilong Liu , Qu Luo , Chuang Shi , Pei Xiao

A novel framework is proposed to integrate communication, control and computing (3C) into the fifth-generation and beyond (5GB) wireless networks for satisfying the ultra-reliable low-latency connectivity requirements of remote-e-Health…

信号处理 · 电气工程与系统科学 2021-03-19 Xiao Liu , Yuanwei Liu , Zhong Yang , Xinwei Yue , Chuan Wang , Yue Chen

Non-Orthogonal Multiple Access (NOMA) and caching are two proposed approaches to increase the capacity of future 5G wireless systems. Typically in NOMA systems, signals at the receiver are decoded using successive interference cancellation…

信息论 · 计算机科学 2018-01-24 Jose Armando Oviedo , Hamid R. Sadjadpour

Hybrid non-orthogonal multiple access (NOMA) has recently received significant research interest due to its ability to efficiently use resources from different domains and also its compatibility with various orthogonal multiple access (OMA)…

信息论 · 计算机科学 2024-07-08 Zhiguo Ding , H. Vincent Poor

Optical wireless communication (OWC) has the potential to provide high communication speeds that support the massive use of the Internet that is expected in the near future. In OWC, optical access points (APs) are deployed on the celling to…

5G communication systems and beyond are envisioned to support an extremely diverse set of use cases with different performance requirements. These different requirements necessitate the use of different numerologies for increased…

信号处理 · 电气工程与系统科学 2020-02-27 Stephen McWade , Mark F. Flanagan , Lei Zhang , Arman Farhang

Massive multiple-input multiple-output (MIMO) technology facilitates huge increases in the capacity of wireless channels, while non-orthogonal multiple access (NOMA) addresses the problem of limited resources in traditional orthogonal…

信息论 · 计算机科学 2020-07-15 Lucinda Hadley , Ioannis Chatzigeorgiou

Non-Orthogonal Multiple Access (NOMA) has potentials to improve the performance of multi-beam satellite systems. The performance optimization in satellite-NOMA systems can be different from that in terrestrial-NOMA systems, e.g.,…

信息论 · 计算机科学 2020-07-10 Anyue Wang , Lei Lei , Eva Lagunas , Ana I. Perez-Neira , Symeon Chatzinotas , Bjorn Ottersten

This paper considers the application of multiple-input multiple-output (MIMO) techniques to non-orthogonal multiple access (NOMA) systems. A new design of precoding and detection matrices for MIMO-NOMA is proposed and its performance is…

信息论 · 计算机科学 2015-03-19 Zhiguo Ding , Fumiyuki Adachi , H. Vincent Poor

In this paper, pattern division multiple access with large-scale antenna array (LSA-PDMA) is proposed as a novel non-orthogonal multiple access (NOMA) scheme. In the proposed scheme, pattern is designed in both beam domain and power domain…

信息论 · 计算机科学 2017-03-22 Peng Li , Yanxiang Jiang , Shaoli Kang , Fuchun Zheng , Xiaohu You

Non-orthogonal multiple access (NOMA) has emerged as a novel air interface technology for massive connectivity in sixth-generation (6G) era. The recent integration of NOMA in backscatter communication (BC) has triggered significant research…

信号处理 · 电气工程与系统科学 2021-11-23 Wali Ullah Khan , Furqan Jameel , Asim Ihsan , Omer Waqar , Manzoor Ahmed