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The advent of sixth-generation (6G) mobile networks introduces two groundbreaking capabilities: sensing and artificial intelligence (AI). Sensing leverages multi-modal sensors to capture real-time environmental data, while AI brings…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-07-31 Xu Chen , Hai Wu , Kaibin Huang

This article investigates a non-orthogonal multiple access (NOMA) enhanced Internet of Things (IoT) network. In order to provide connectivity, a novel cluster strategy is proposed, where multiple devices can be served simultaneously. Two…

Information Theory · Computer Science 2020-01-14 Tianwei Hou , Yuanwei Liu , Zhengyu Song , Xin Sun , Yue Chen

In this manuscript, we present an energy-efficient alternating optimization framework based on the multi-antenna ambient backscatter communication (AmBSC) assisted cooperative non-orthogonal multiple access (NOMA) for next-generation (NG)…

Information Theory · Computer Science 2022-09-13 Muhammad Asif , Asim Ihsan , Wali Ullah Khan , Ali Ranjha , Shengli Zhang , Sissi Xiaoxiao Wu

Decentralized federated learning (DFL), inherited from distributed optimization, is an emerging paradigm to leverage the explosively growing data from wireless devices in a fully distributed manner.DFL enables joint training of machine…

Signal Processing · Electrical Eng. & Systems 2023-10-10 Zhiyuan Zhai , Xiaojun Yuan , Xin Wang

This paper presents a star-of-star topology for internet-of-things (IoT) networks using mega low-Earth-orbit constellations. The proposed topology enables IoT users to broadcast their sensed data to multiple satellites simultaneously over a…

Signal Processing · Electrical Eng. & Systems 2023-09-06 Ayush Kumar Dwivedi , Sachin Chaudhari , Neeraj Varshney , Pramod K. Varshney

Unmanned aerial vehicle (UAV)-assisted mobile edge computing (MEC) system is a prominent concept, where a UAV equipped with a MEC server is deployed to serve a number of terminal devices (TDs) of Internet of Things (IoT) in a finite period.…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Yu Xu , Jonathan Loo , Dingcheng Yang , Lin Xiao

This paper studies the over-the-air computation (AirComp) in an orthogonal frequency division multiplexing (OFDM) system with imperfect channel state information (CSI), in which multiple single-antenna wireless devices (WDs) simultaneously…

Signal Processing · Electrical Eng. & Systems 2023-07-12 Yilong Chen , Huijun Xing , Jie Xu , Lexi Xu , Shuguang Cui

This work investigates an integrated sensing and edge artificial intelligence (ISEA) system, where multiple devices first transmit probing signals for target sensing and then offload locally extracted features to the access point (AP) via…

Signal Processing · Electrical Eng. & Systems 2026-05-29 Biao Dong , Bin Cao

The Internet of Things (IoT) has become increasingly popular in people's daily lives. The pervasive IoT devices are encouraged to share data with each other in order to better serve the users. However, users are reluctant to share sensitive…

Cryptography and Security · Computer Science 2018-07-03 Longfei Wu , Xiaojiang Du , Jie Wu , Jingwei Liu , Eduard C. Dragut

Federated learning (FL) is a new paradigm to train AI models over distributed edge devices (i.e., workers) using their local data, while confronting various challenges including communication resource constraints, edge heterogeneity and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-09 Qianpiao Ma , Junlong Zhou , Xiangpeng Hou , Jianchun Liu , Hongli Xu , Jianeng Miao , Qingmin Jia

The Internet of Things (IoT) has grown significantly in popularity, accompanied by increased capacity and lower cost of communications, and overwhelming development of technologies. At the same time, big data and real-time data analysis…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-01-29 Guadalupe Ortiz , Meftah Zouai , Okba Kazar , Alfonso Garcia-de-Prado , Juan Boubeta-Puig

Time Interference Alignment is a flavor of Interference Alignment that increases the network capacity by suitably staggering the transmission delays of the senders. In this work the analysis of the existing literature is generalized and the…

Information Theory · Computer Science 2016-11-15 Francisco Lazaro Blasco , Francesco Rossetto , Gerhard Bauch

Interference alignment (IA) is a widely recognized approach for mitigating inter-cell interference in multi-user multiple-input multiple-output (MIMO) networks. Despite its effectiveness, practical deployment remains constrained by two…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Samitha Gunarathne , Eslam Eldeeb , Nurul Huda Mahmood , Italo Atzeni

Future wireless standards such as 5G envision dense wireless networks with large number of simultaneously connected devices. In this context, interference management becomes critical in achieving high spectral efficiency. Orthogonal…

Information Theory · Computer Science 2015-04-14 Subhashini Krishnasamy , Urs Niesen , Piyush Gupta

The current integrated sensing, communication, and computing (ISCC) systems face significant challenges in both efficiency and resource utilization. To tackle these issues, we propose a novel fluid antenna (FA)-enabled ISCC system,…

Information Theory · Computer Science 2024-09-19 Yiping Zuo , Jiajia Guo , Weicong Chen , Weibei Fan , Biyun Sheng , Fu Xiao , Shi Jin

Edge computing is a promising solution to enable low-latency IoT applications, by shifting computation from remote data centers to local devices, less powerful but closer to the end user devices. However, this creates the challenge on how…

Networking and Internet Architecture · Computer Science 2025-03-04 Claudio Cicconetti , Marco Conti , Andrea Passarella

Coordinated multi-point (CoMP) schemes have been widely studied in the recent years to tackle the inter-cell interference. In practice, latency and throughput constraints on the backhaul allow the organization of only small clusters of base…

Information Theory · Computer Science 2015-07-17 Paolo Baracca , Federico Boccardi , Nevio Benvenuto

To overcome inherent limitations of analog signals in over-the-air computation (AirComp), this letter proposes a two's complement-based coding scheme for the AirComp implementation with compatible digital modulations. Specifically,…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Zhixu Wang , Jiacheng Yao , Wei Xu , Wei Shi , Kaibin Huang

Interference alignment (IA) is a promising technique to efficiently mitigate interference and to enhance the capacity of a wireless communication network. This paper proposes a grouping-based interference alignment (GIA) with optimized…

Information Theory · Computer Science 2015-11-20 Pan Cao , Alessio Zappone , Eduard A. Jorswieck

The Internet of Things needs for computing power and storage are expected to remain on the rise in the next decade. Consequently, the amount of data generated by devices at the edge of the network will also grow. While cloud computing has…

Distributed, Parallel, and Cluster Computing · Computer Science 2019-01-11 Luiz F. Bittencourt , Roger Immich , Rizos Sakellariou , Nelson L. S. da Fonseca , Edmundo R. M. Madeira , Marilia Curado , Leandro Villas , Luiz da Silva , Craig Lee , Omer Rana