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Energy efficiency and security are two critical issues for mobile edge computing (MEC) networks. With stochastic task arrivals, time-varying dynamic environment, and passive existing attackers, it is very challenging to offload computation…

系统与控制 · 电气工程与系统科学 2021-02-10 Qun Wang , Han Hu , Haijian Sun , Rose Qingyang Hu

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

The near-far problem causes severe throughput unfairness in wireless powered communication networks (WPCN). In this paper, we exploit non-orthogonal multiple access (NOMA) technology and propose a fairness-aware NOMA-based scheduling scheme…

信息论 · 计算机科学 2019-06-04 Yong Liu , Xuehan Chen , Lin X. Cai , Qingchun Chen , Ruoting Gong , Dong Tang

This paper considers uplink multiple access (MA) transmissions, where the MA technique is adaptively selected between Non Orthogonal Multiple Access (NOMA) and Orthogonal Multiple Access (OMA). Two types of users, namely Internet of Things…

信号处理 · 电气工程与系统科学 2020-06-29 Zijian Wang , Mylene Pischella , Luc Vandendorpe

We propose a novel nonorthogonal multiple access (NOMA) scheme referred as adaptive constellation multiple access (ACMA) which addresses key limitations of existing NOMA schemes for beyond 5G wireless systems. Unlike the latter, that are…

信息论 · 计算机科学 2024-03-01 Indu L. Shakya , Falah H. Ali

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

网络与互联网体系结构 · 计算机科学 2020-12-01 Ruikang Zhong , Xiao Liu , Yuanwei Liu , Yue Chen

In this technical note, we present a new theoretical result for resource optimization with non-orthogonal multiple access (NOMA). For multi-cell scenarios, a so-called load-coupling model has been proposed to characterize the presence of…

信息论 · 计算机科学 2020-09-22 Lei You , Di Yuan

A novel framework of intelligent reflecting surface (IRS)-aided multiple-input single-output (MISO) non-orthogonal multiple access (NOMA) network is proposed, where a base station (BS) serves multiple clusters with unfixed number of users…

信号处理 · 电气工程与系统科学 2021-12-02 X. Gao , Y. Liu , X. Liu , L. Song

With the explosive growth of mobile services, non-orthogonal broadcast/multicast transmissions can effectively improves spectrum efficiency. Nonorthogonal multiple access (NOMA) represents a paradigm shift from conventional orthogonal…

信号处理 · 电气工程与系统科学 2019-01-03 Yong Zhang , Bin Yang , Xiaohu Ge , Yonghui Li

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

In this paper, we introduce a novel approach for optimal resource allocation from multiple carriers for users with elastic and inelastic traffic in fourth generation long term evolution (4G-LTE) system. In our model, we use logarithmic and…

网络与互联网体系结构 · 计算机科学 2015-10-07 Ahmed Abdelhadi , T. Charles Clancy

In this paper, the performance of multiple-input multiple-output non-orthogonal multiple access (MIMO-NOMA) is investigated when multiple users are grouped into a cluster. The superiority of MIMO-NOMA over MIMO orthogonal multiple access…

信息论 · 计算机科学 2017-06-12 Ming Zeng , Animesh Yadav , Octavia A. Dobre , Georgios I. Tsiropoulos , H. Vincent Poor

The key idea of power-domain non-orthogonal multiple access (NOMA) is to exploit the superposition coding (SC) combined with successive interference cancellation (SIC) technique (called SC-SIC) while reducing the receivers' complexity as…

信息论 · 计算机科学 2021-06-17 Sepehr Rezvani , Eduard A. Jorswieck

Non-orthogonal multiple access (NOMA) is one of the promising radio access techniques for next generation wireless networks. Opportunistic multi-user scheduling is necessary to fully exploit multiplexing gains in NOMA systems, but compared…

信号处理 · 电气工程与系统科学 2019-06-26 Shahram Shahsavari , Farhad Shirani , Elza Erkip

This work studies the meta distribution (MD) in a two-user partial non-orthogonal multiple access (pNOMA) network. Compared to NOMA where users fully share a resource-element, pNOMA allows sharing only a fraction $\alpha$ of the…

信息论 · 计算机科学 2023-09-13 Konpal Shaukat Ali , Arafat Al-Dweik , Ekram Hossain , Marwa Chafii

In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To meet the stringent…

信息论 · 计算机科学 2022-11-10 Walid R. Ghanem , Vahid Jamali , Robert Schober

We study a general model on reusable resource allocation under model uncertainty. A heterogeneous population of customers arrive at the decision maker's (DM's) platform sequentially. Upon observing a customer's type, the DM selects an…

最优化与控制 · 数学 2022-12-07 Xilin Zhang , Wang Chi Cheung

Non-orthogonal multiple access (NOMA) is considered a key technology for improving the spectral efficiency of fifth-generation (5G) and beyond 5G cellular networks. NOMA is beneficial when the channel vectors of the users are in the same…

信息论 · 计算机科学 2022-01-07 Kusuma Priya P. , Pavan Reddy M. , Abhinav Kumar

Device to Device (D2D) communication underlying cellular communication can improve the utilization efficiency of resources, and the cellular user equipment (C-UE) can utilize the rental resources for D2D user equipment (D-UE) to obtain…

信号处理 · 电气工程与系统科学 2022-09-13 Linglin Kong

This paper considers the noncooperative maximization of mutual information in the Gaussian interference channel in a fully distributed fashion via game theory. This problem has been studied in a number of papers during the past decade for…

信息论 · 计算机科学 2016-11-17 Gesualdo Scutari , Daniel P. Palomar , Sergio Barbarossa