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In this paper, we study the resource allocation problem for a single-cell non-orthogonal multiple access (NOMA) relay network where an OFDM amplify-and-forward (AF) relay allocates the spectrum and power resources to the source-destination…

网络与互联网体系结构 · 计算机科学 2016-11-15 Shuhang Zhang , Boya Di , Lingyang Song , Yonghui Li

This article investigates the energy efficiency issue in non-orthogonal multiple access (NOMA)-enhanced Internet-of-Things (IoT) networks, where a mobile unmanned aerial vehicle (UAV) is exploited as a flying base station to collect data…

信号处理 · 电气工程与系统科学 2021-03-17 Jingjing Zhao , Kaiquan Cai , Yanbo Zhu

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

This paper studies a multiuser mobile edge computing (MEC) system, in which one base station (BS) serves multiple users with intensive computation tasks. We exploit the multi-antenna non-orthogonal multiple access (NOMA) technique for…

信息论 · 计算机科学 2018-09-11 Feng Wang , Jie Xu , Zhiguo Ding

Non-orthogonal multiple access (NOMA) has been identified as a promising technology for future wireless systems due to its performance gains in spectral efficiency when compared to conventional orthogonal schemes (OMA). This gain can be…

网络与互联网体系结构 · 计算机科学 2019-08-16 Onel L. A. López , Hirley Alves , Matti Latva-aho

This article addresses the problem of Ultra Reliable Low Latency Communications (URLLC) in wireless networks, a framework with particularly stringent constraints imposed by many Internet of Things (IoT) applications from diverse sectors. We…

网络与互联网体系结构 · 计算机科学 2023-08-29 Benoît-Marie Robaglia , Marceau Coupechoux , Dimitrios Tsilimantos

Being able to accommodate multiple simultaneous transmissions on a single channel, non-orthogonal multiple access (NOMA) appears as an attractive solution to support massive machine type communication (mMTC) that faces a massive number of…

信号处理 · 电气工程与系统科学 2020-02-11 Wenjuan Yu , Chuan Heng Foh , Atta ul Quddus , Yuanwei Liu , Rahim Tafazolli

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

A novel framework is proposed for cellular offloading with the aid of multiple unmanned aerial vehicles (UAVs), while the non-orthogonal multiple access (NOMA) technique is employed at each UAV to further improve the spectrum efficiency of…

机器学习 · 计算机科学 2020-10-20 Ruikang Zhong , Xiao Liu , Yuanwei Liu , Yue Chen

In this paper, the performance and system complexity of the candidate multiple access (MA) techniques for the next generation of cellular systems, namely, non-orthogonal multiple access (NOMA) (in this paper, we consider power domain MA as…

信息论 · 计算机科学 2017-02-07 Mohammad. Moltafet , Nader. Mokari , Mohammad R. Javan , Paiez. Azmi

In this paper, we utilize a downlink hybrid Non-Orthogonal Multiple Access (NOMA) framework to support multiple semantic and bit users within the communication network. The hybrid NOMA setup exploits both NOMA and Orthogonal Multiple Access…

信号处理 · 电气工程与系统科学 2026-05-06 Ishtiaque Ahmed , Leila Musavian

The high demand for data rate in the next generation of wireless communication could be ensured by Non-Orthogonal Multiple Access (NOMA) approach in the millimetre-wave (mmW) frequency band. Joint power allocation and beamforming of…

信号处理 · 电气工程与系统科学 2022-05-16 Abbas Akbarpour-Kasgari , Mehrdad Ardebilipour

In this paper, we propose a non-orthogonal multiple access (NOMA)-based communication framework that allows machine type devices (MTDs) to access the network while avoiding congestion. The proposed technique is a 2-step mechanism that first…

信息论 · 计算机科学 2020-09-02 Manal El Tanab , Walaa Hamouda

Non-orthogonal multiple access (NOMA) is a promising multiple access technique. Its performance depends strongly on the wireless channel property, which can be enhanced by reconfigurable intelligent surfaces (RISs). In this paper, we…

To improve the system throughput, this paper proposes a network non-orthogonal multiple access (N-NOMA) technique for the uplink coordinated multi-point transmission (CoMP). In the considered scenario, multiple base stations collaborate…

信息论 · 计算机科学 2019-11-15 Yanshi Sun , Zhiguo Ding , Xuchu Dai

This letter investigates the power control and channel assignment problem in device-to-device (D2D) communications underlaying a non-orthogonal multiple access (NOMA) cellular network. With the successive interference cancellation decoding…

信息论 · 计算机科学 2017-10-17 Yijin Pan , Cunhua Pan , Zhaohui Yang , Ming Chen

In this paper, we propose a new resource allocation framework for unmanned aerial vehicle (UAV) assisted multicast wireless networks in which the network users according to their request are divided into several multicast groups. We adopt…

系统与控制 · 电气工程与系统科学 2022-02-15 Shima Salarhosseini , Mohammad Reza Javan , Ali Nazari

This paper advocates a pair of strategies in non-orthogonal multiple access (NOMA) in unmanned aerial vehicles (UAVs) communications, where multiple UAVs play as new aerial communications platforms for serving terrestrial NOMA users. A new…

信息论 · 计算机科学 2019-07-12 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

This letter considers the problem of joint user association (UA), sub-channel assignment, antenna selection (AS), and power control in the uplink (UL) of a heterogeneous network such that the data rate of small cell users can be maximized…

网络与互联网体系结构 · 计算机科学 2020-02-04 Ata Khalili , Soroush Akhlaghi , Hina Tabassum , Derrick Wing Kwan Ng

Envisioned as a promising component of the future wireless Internet-of-Things (IoT) networks, the non-orthogonal multiple access (NOMA) technique can support massive connectivity with a significantly increased spectral efficiency.…

信息论 · 计算机科学 2020-07-28 Yuxin Lu , Peng Cheng , Zhuo Chen , Wai Ho Mow , Yonghui Li , Branka Vucetic