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Machine-type communications (MTC) devices in 5G will use the Non-orthogonal multiple access (NOMA) technology for massive connections. These devices switch between the transmission mode and the sleep mode for battery saving; and their…

信息论 · 计算机科学 2018-07-24 Bowen Cai , Yu Chen , Qimei Cui , Xiaoxuan Zhu , Yang Yang

In 5G networks, non-orthogonal multiple access (NOMA) provides a number of benefits by providing uneven power distribution to multiple users at once. On the other hand, effective power allocation, successful successive interference…

网络与互联网体系结构 · 计算机科学 2024-12-02 Sumita Majhi , Pinaki Mitra

In this paper, we aim to improve the connectivity, scalability, and energy efficiency of machine-type communication (MTC) networks with different types of MTC devices (MTCDs), namely Type-I and Type-II MTCDs, which have different…

信号处理 · 电气工程与系统科学 2022-10-11 Thanh-Luan Nguyen , Tri Nhu Do , Georges Kaddoum

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

Future wireless networks will need to improve adaptive resource allocation and decision-making to handle the increasing number of intelligent devices. Unmanned aerial vehicles (UAVs) are being explored for their potential in real-time…

信号处理 · 电气工程与系统科学 2023-10-18 Felix Obite , Ali Krayani , Atm S. Alam , Lucio Marcenaro , Arumugam Nallanathan , Carlo Regazzoni

A communication enabled indoor intelligent robots (IRs) service framework is proposed, where non-orthogonal multiple access (NOMA) technique is adopted to enable highly reliable communications. In cooperation with the ultramodern indoor…

人工智能 · 计算机科学 2020-11-30 Ruikang Zhong , Xiao Liu , Yuanwei Liu , Yue Chen , Xianbin Wang

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

信息论 · 计算机科学 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

In this paper, a proactive dynamic spectrum sharing scheme between 4G and 5G systems is proposed. In particular, a controller decides on the resource split between NR and LTE every subframe while accounting for future network states such as…

网络与互联网体系结构 · 计算机科学 2021-02-23 Ursula Challita , David Sandberg

In this paper, we develop various beamforming techniques for downlink transmission for multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) systems. First, a beamforming approach with perfect channel state information…

信息论 · 计算机科学 2018-07-10 Faezeh Alavi , Kanapathippillai Cumanan , Zhiguo Ding , Alister G. Burr

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

Non-orthogonal multiple access (NOMA) is envisioned to be one of the most beneficial technologies for next generation wireless networks due to its enhanced performance compared to other conventional radio access techniques. Although the…

信息论 · 计算机科学 2017-11-27 Rukhsana Ruby , Shuxin Zhong , Hailiang Yang , Kaishun Wu

Today's wireless networks allocate radio resources to users based on the orthogonal multiple access (OMA) principle. However, as the number of users increases, OMA based approaches may not meet the stringent emerging requirements including…

信号处理 · 电气工程与系统科学 2019-02-28 Mahmoud Aldababsa , Mesut Toka , Selahattin Gokceli , Gunes Karabulut Kurt , Oguz Kucur

This paper focuses on spectrum sharing in heterogeneous wireless networks, where nodes with different Media Access Control (MAC) protocols to transmit data packets to a common access point over a shared wireless channel. While previous…

信息论 · 计算机科学 2024-12-06 Zhaoyang Liu , Xijun Wang , Chenyuan Feng , Xinghua Sun , Wen Zhan , Xiang Chen

Power and channel allocation in interference-limited systems is a key enabler for beyond 5G (B5G) technologies, such as multi-carrier full duplex non-orthogonal multiple access (FD-NOMA). In FD-NOMA systems power allocation is a very…

信号处理 · 电气工程与系统科学 2026-03-16 Andrea Abrardo , Marco Moretti , Fabio Saggese

This paper reviews the current status and challenges of Neural Networks (NNs) based machine learning approaches for modern power grid stability control including their design and implementation methodologies. NNs are widely accepted as…

系统与控制 · 计算机科学 2017-01-06 Reza Yousefian , Sukumar Kamalasadan

Non-orthogonal multiple access (NOMA) schemes have been proposed for the next generation of mobile communication systems to improve the access efficiency by allowing multiple users to share the same spectrum in a non-orthogonal way. Due to…

信息论 · 计算机科学 2017-02-15 Lingyang Song , Yonghui Li , Zhiguo Ding , H. Vincent Poor

Emerging applications such as autonomous driving and industrial automation demand ultra-reliable and low-latency communication (URLLC), where maintaining fresh and timely information is critical. A key performance metric in such systems is…

系统与控制 · 电气工程与系统科学 2026-02-27 Maryam Ansarifard , Mohit K. Sharma , Kishor C. Joshi , George Exarchakos

This paper investigates the application of non-orthogonal multiple access (NOMA) in millimeter wave (mmWave) communications by exploiting beamforming, user scheduling and power allocation. Random beamforming is invoked for reducing the…

信息论 · 计算机科学 2017-05-10 Jingjing Cui , Yuanwei Liu , Zhiguo Ding , Pingzhi Fan , Arumugam Nallanathan

Random access schemes in modern wireless communications are generally based on the framed-ALOHA (f-ALOHA), which can be optimized by flexibly organizing devices' transmission and re-transmission. However, this optimization is generally…

网络与互联网体系结构 · 计算机科学 2020-02-19 Nan Jiang , Yansha Deng , Arumugam Nallanathan

Grant-free non-orthogonal multiple access (GF-NOMA) is a potential technique to support massive Ultra-Reliable and Low-Latency Communication (mURLLC) service. However, the dynamic resource configuration in GF-NOMA systems is challenging due…

信息论 · 计算机科学 2021-03-29 Yan Liu , Yansha Deng , Hui Zhou , Maged Elkashlan , Arumugam Nallanathan