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In this paper, we study the resource allocation algorithm design for multiuser orthogonal frequency division multiplexing (OFDM) downlink systems with simultaneous wireless information and power transfer. The algorithm design is formulated…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

This paper addresses the challenge of efficiently offloading heavy computing tasks from ground mobile devices to the satellite-based mist computing environment. With ground-based edge and cloud servers often being inaccessible, the…

Cryptography and Security · Computer Science 2023-11-27 Messaoud Babaghayou , Noureddine Chaib , Leandros Maglaras , Yagmur Yigit , Mohamed Amine Ferrag

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…

Networking and Internet Architecture · Computer Science 2019-08-16 Onel L. A. López , Hirley Alves , Matti Latva-aho

This paper investigates unmanned aerial vehicle (UAV) data collection systems with different multiple access schemes, where a rotary-wing UAV is dispatched to collect data from multiple ground nodes (GNs). Our goal is to maximize the…

Information Theory · Computer Science 2021-08-03 Xidong Mu , Yuanwei Liu , Li Guo , Jiaru Lin , Zhiguo Ding

In this paper, we study the energy efficiency (EE) maximization problem for an uplink millimeter wave massive multiple-input multiple-output system with non-orthogonal multiple access (NOMA). Multiple two-user clusters are formed according…

Information Theory · Computer Science 2019-03-15 Ming Zeng , Wanming Hao , Octavia A. Dobre , H. Vincent Poor

Computation-efficient resource allocation strategies are of crucial importance in mobile edge computing networks. However, few works have focused on this issue. In this letter, weighted sum computation efficiency (CE) maximization problems…

Signal Processing · Electrical Eng. & Systems 2019-10-28 Yuhang Wu , Yuhao Wang , Fuhui Zhou , Rose Qingyang Hu

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…

Information Theory · Computer Science 2015-03-19 Zhiguo Ding , Fumiyuki Adachi , H. Vincent Poor

In the resource-constrained IoT-edge computing environment, Split Federated (SplitFed) learning is implemented to enhance training efficiency. This method involves each terminal device dividing its full DNN model at a designated layer into…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-12-23 Binbin Huang , Hailiang Zhao , Lingbin Wang , Wenzhuo Qian , Yuyu Yin , Shuiguang Deng

The optimal allocation of time and energy resources is characterized in a Wireless Powered Communication Network (WPCN) with non-Orthogonal Multiple Access (NOMA). We consider two different formulations; in the first one (max-sum), the…

Optimization and Control · Mathematics 2018-08-02 Mariam M. N. Aboelwafa , Mohamed A. Abd-Elmagid , Alessandro Biason , Karim G. Seddik , Tamer ElBatt , Michele Zorzi

Non-orthogonal multiple access (NOMA) is an efficient approach that can improve spectrum utilization and support massive connectivity for next-generation wireless networks. However, over a wireless channel, the superimposed NOMA signals are…

Information Theory · Computer Science 2020-10-26 Lu Lv , Hai Jiang , Zhiguo Ding , Qiang Ye , Naofal Al-Dhahir , Jian Chen

Non-orthogonal multiple access (NOMA) has been considered as a promising solution for improving the spectrum efficiency of next-generation wireless networks. In this paper, the performance of a p-persistent slotted ALOHA system in support…

Networking and Internet Architecture · Computer Science 2020-02-25 Ziru Chen , Yong Liu , Sami Khairy , Lin X. Cai , Yu Cheng , Ran Zhang

Non-orthogonal multiple access (NOMA) is capable of serving different numbers of users in the same time-frequency resource element, and this feature can be leveraged to carry additional information. In the orthogonal frequency division…

Information Theory · Computer Science 2022-10-25 Ziyi Xie , Wenqiang Yi , Xuanli Wu , Yuanwei Liu , Arumugam Nallanathan

This paper investigates a new downlink nonorthogonal multiple access (NOMA) system, where a multiantenna unmanned aerial vehicle (UAV) is powered by wireless power transfer (WPT) and serves as the base station for multiple pairs of ground…

Information Theory · Computer Science 2022-04-21 Zhongyu Wang , Tiejun Lv , Jie Zeng , Wei Ni

In this paper, a non-orthogonal multiple access (NOMA) based downlink vehicle-to-infrastructure network is considered. Particularly, we focus on the specific case of two users, one of which requires reliable road-safety-critical data…

Information Theory · Computer Science 2022-09-01 Chongtao Guo , Bin Liao

Internet of Things (IoT) devices can be equipped with multiple heterogeneous network interfaces. An overwhelmingly large amount of services may demand some or all of these interfaces' available resources. Herein, we present a precise…

Networking and Internet Architecture · Computer Science 2016-03-29 Vangelis Angelakis , Ioannis Avgouleas , Nikolaos Pappas , Emma Fitzgerald , Di Yuan

Non-orthogonal multiple access (NOMA) is a promising multiple access technique for beyond fifth generation (B5G) cellular wireless networks, where several users can be served on a single time-frequency resource block, using the concepts of…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Mehdi Monemi , Hina Tabassum , Ramein Zahedi

This article focuses on the application of artificial intelligence (AI) in non-orthogonal multiple-access (NOMA), which aims to achieve automated, adaptive, and high-efficiency multi-user communications towards next generation multiple…

Information Theory · Computer Science 2022-12-14 Xiaoxia Xu , Yuanwei Liu , Xidong Mu , Qimei Chen , Hao Jiang , Zhiguo Ding

While existing works about non-orthogonal multiple access (NOMA) have indicated that NOMA can yield a significant performance gain over orthogonal multiple access (OMA) with fixed resource allocation, it is not clear whether such a…

Information Theory · Computer Science 2017-10-11 Zhiyong Chen , Zhiguo Ding , Xuchu Dai , Rui Zhang

Splitting the inference model between device, edge server, and cloud can improve the performance of EI greatly. Additionally, the non-orthogonal multiple access (NOMA), which is the key supporting technologies of B5G/6G, can achieve massive…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-27 Xin Yuan , Ning Li , Tuo Zhang , Muqing Li , Yuwen Chen , Jose Fernan Martinez Ortega , Song Guo

Wireless powered mobile-edge computing (MEC) has recently emerged as a promising paradigm to enhance the data processing capability of low-power networks, such as wireless sensor networks and internet of things (IoT). In this paper, we…

Networking and Internet Architecture · Computer Science 2020-07-16 Liang Huang , Suzhi Bi , Ying-Jun Angela Zhang