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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

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a promising technology to achieve full-space coverage. This paper investigates the resource allocation problem in a STAR-RIS-assisted multi-carrier…

信息论 · 计算机科学 2021-11-09 Chenyu Wu , Xidong Mu , Yuanwei Liu , Xuemai Gu , Xianbin Wang

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

Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques for performance enhancement in next-generation cellular communications. Compared to orthogonal frequency division multiple access (OFDMA), which is a…

信息论 · 计算机科学 2016-11-17 S. M. Riazul Islam , Nurilla Avazov , Octavia A. Dobre , Kyung Sup Kwak

Achieving significant performance gains both in terms of system throughput and massive connectivity, non-orthogonal multiple access (NOMA) has been considered as a very promising candidate for future wireless communications technologies. It…

网络与互联网体系结构 · 计算机科学 2021-08-31 Zeyad Elsaraf , Faheem A. Khan , Qasim Zeeshan Ahmed

Non-Orthogonal Multiple Access (NOMA) and Fog Radio Access Networks (FRAN) are promising candidates within the 5G and beyond systems. This work examines the benefit of adopting NOMA in an FRAN architecture with constrained capacity…

网络与互联网体系结构 · 计算机科学 2019-02-28 Itsikiantsoa Randrianantenaina , Megumi Kaneko , Hayssam Dahrouj , Hesham ElSawy , Mohamed-Slim Alouini

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

It has become very essential to address the limited spectrum capacity and their efficient utilization to support the increasing number of Internet of Things devices. When it comes to medical infrastructure, it becomes very imperative for…

信号处理 · 电气工程与系统科学 2020-07-22 Ashiqur Rahman Rahul , Saifur Rahman Sabuj , Majumder Fazle Haider , Shakil Ahmed

This paper provides a comprehensive downlink analysis of non-orthogonal multiple access (NOMA) enabled cellular networks using tools from stochastic geometry. As a part of this analysis, we develop a novel 3GPP-inspired user ranking…

信息论 · 计算机科学 2020-03-03 Praful D. Mankar , Harpreet S. Dhillon

We consider uplink power control in wireless communication when a large number of users compete over the channel resources. The CDMA protocol, as a supporting technology of 3G networks accommodating signal from different sources over the…

系统与控制 · 电气工程与系统科学 2020-12-01 Yuchi Wu , Junfeng Wu , Minyi Huang , Ling Shi

Non-orthogonal multiple access (NOMA) systems can serve multiple users in contrast to orthogonal multiple-access (OMA), which makes use of the limited time or frequency domain resources. It can help to address the unprecedented…

信号处理 · 电气工程与系统科学 2023-06-13 Syed Agha Hassnain Mohsan , Yanlong Li

In this paper, we study the power-efficient resource allocation for multicarrier non-orthogonal multiple access (MC-NOMA) systems. The resource allocation algorithm design is formulated as a non-convex optimization problem which takes into…

信息论 · 计算机科学 2016-07-06 Zhiqiang Wei , Derrick Wing Kwan Ng , Jinhong Yuan

This paper proposes a novel hybrid-domain (HD) non-orthogonal multiple access (NOMA) approach to support a larger number of uplink users than the recently proposed code-domain NOMA approach, i.e., sparse code multiple access (SCMA). HD-NOMA…

信号处理 · 电气工程与系统科学 2020-07-28 Chen Quan , Animesh Yadav , Baocheng Geng , Pramod K. Varshney , H. Vincent Poor

Exploiting the idle computation resources of mobile devices in mobile edge computing (MEC) system can achieve both channel diversity and computing diversity as mobile devices can offload their computation tasks to nearby mobile devices in…

信息论 · 计算机科学 2020-01-01 Yuwen Huang , Yuan Liu , Fangjiong Chen

The 5G systems will feature three generic services: enhanced Mobile BroadBand (eMBB), massive Machine-Type Communications (mMTC) and Ultra-Reliable and Low-Latency Communications (URLLC). The diverse requirements of these services in terms…

信号处理 · 电气工程与系统科学 2021-01-13 Eduardo Noboro Tominaga , Hirley Alves , Richard Demo Souza , João Luiz Rebelatto , Matti Latva-Aho

This paper considers a wireless network with a base station (BS) conducting timely transmission to two clients in a slotted manner via hybrid non-orthogonal multiple access (NOMA)/orthogonal multiple access (OMA). Specifically, the BS is…

信息论 · 计算机科学 2020-01-14 Qian Wang , He Chen , Yonghui Li , Branka Vucetic

This paper aims to prove the significant superiority of hybrid non-orthogonal multiple access (NOMA) over orthog onal multiple access (OMA) in terms of energy efficiency. In particular, a novel hybrid NOMA scheme is proposed in which a user…

信息论 · 计算机科学 2024-11-05 Yanshi Sun , Zhiguo Ding , Yun Hou , George K. Karagiannidis

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

In this paper, we propose two novel cooperative-non-orthogonal-multiple-access (C-NOMA) and cooperative-rate-splitting-multiple-access (C-RSMA) schemes for uplink user cooperation. At the first mini-slot of these schemes, each user…

信息论 · 计算机科学 2022-08-02 Omid Abbasi , Halim Yanikomeroglu

We propose a novel multiple-access technique to overcome the shortcomings of the current proposals for the future releases of Long-Term Evolution (LTE). We provide a unified radio access system that efficiently and flexibly integrates both…

信息论 · 计算机科学 2016-09-16 Nassar Ksairi , Stefano Tomasin , Mérouane Debbah