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We consider multiple transmitters aiming to communicate their source signals (e.g., images) over a multiple access channel (MAC). Conventional communication systems minimize interference by orthogonally allocating resources (time and/or…

Networking and Internet Architecture · Computer Science 2025-04-08 Selim F. Yilmaz , Can Karamanli , Deniz Gunduz

In this paper, we consider a relay-assisted uplink non-orthogonal multiple access (NOMA) system. In this system, two radio frequency (RF) users are grouped for simultaneous transmissions, over each resource block, to an intermediate relay.…

Information Theory · Computer Science 2020-02-18 Mohammad Vahid Jamali , Hessam Mahdavifar

The proliferation of connected vehicles along with the high demand for rich multimedia services constitute key challenges for the emerging 5G-enabled vehicular networks. These challenges include, but are not limited to, high spectral…

Information Theory · Computer Science 2020-01-22 Sanjeev Gurugopinath , Sami Muhaidat , Yousof Al-Hammadi , Paschalis C. Sofotasios , Octavia A. Dobre

The Internet of Medical Things (IoMT) facilitates in-home electronic healthcare, transforming traditional hospital-based medical examination approaches. This paper proposes a novel transmit scheme for fog computing-enabled IoMT that…

Systems and Control · Electrical Eng. & Systems 2024-05-13 Jiasi Zhou , Yan Chen , Cong Zhou , Yanjing Sun

In this paper, we propose an impartial simultaneous wireless information and power transfer (SWIPT)-assisted cooperation mechanism for a non-orthogonal multiple access (NOMA) downlink scenario. Specifically, both a cell-center user and a…

Information Theory · Computer Science 2019-10-02 Weiyu Chen , Haiyang Ding , Shilian Wang , Daniel Benevides da Costa , Fengkui Gong

Movable antenna (MA) has gained increasing attention in the field of wireless communications due to its exceptional capability to proactively reconfigure wireless channels via localized antenna movements. In this paper, we investigate the…

Signal Processing · Electrical Eng. & Systems 2025-06-16 Nianzu Li , Peiran Wu , Lipeng Zhu , Derrick Wing Kwan Ng

Non-orthogonal multiple access (NOMA) was recently proposed as a viable technology that can potentially provide the spectral efficiency, low latency, and massive connectivity requirements of future radio networks. In this context, numerous…

Signal Processing · Electrical Eng. & Systems 2020-01-07 Bassant Selim , Md Sahabul Alam , Georges Kaddoum , Basile L. Agba

The unprecedented surge of massive Internet of things (mIoT) traffic in beyond fifth generation (B5G) communication systems calls for transformative approaches for multiple access and data transmission. While classical model-based tools…

Systems and Control · Electrical Eng. & Systems 2026-01-15 Abhishek Kumar , José-Ramón Vidal , Jorge Martinez-Bauset , Frank Y. Li

This paper studies the performance of optical orthogonal frequency-division multiplexing (OFDM)-based multi-user integrated sensing and communication (ISAC) systems employing non-orthogonal multiple access (NOMA). Due to their inherent high…

Systems and Control · Electrical Eng. & Systems 2025-11-05 Nam N. Luong , Chuyen T. Nguyen , Thanh V. Pham

In this paper, we investigate a hybrid multicast/ unicast scheme for a multiple-input single-output cache-aided non-orthogonal multiple access (NOMA) vehicular scenario in the face of rapidly fluctuating vehicular wireless channels.…

Information Theory · Computer Science 2020-11-24 Xinyue Pei , Hua Yu , Yingyang Chen , Miaowen Wen , Gaojie Chen

Energy-efficient computation is an inevitable trend for mobile edge computing (MEC) networks. Resource allocation strategies for maximizing the computation efficiency are critically important. In this paper, computation efficiency…

Signal Processing · Electrical Eng. & Systems 2020-02-12 Fuhui Zhou , Rose Qingyang Hu

Current fifth-generation (5G) networks do not cover maritime areas, causing difficulties in developing maritime Internet of Things (IoT). To tackle this problem, we establish a nearshore network by collaboratively using on-shore terrestrial…

Information Theory · Computer Science 2022-08-19 Xinran Fang , Wei Feng , Yanmin Wang , Yunfei Chen , Ning Ge , Zhiguo Ding

To support the growing demand for data-intensive and low-latency IoT applications, Multi-Access Edge Computing (MEC) is emerging as an effective edge-computing approach enabling the execution of delay-sensitive processing tasks close to…

Networking and Internet Architecture · Computer Science 2025-01-27 Simone Bolettieri , Raffaele Bruno , Enzo Mingozzi

Non-orthogonal multiple access (NOMA) is an interesting technology that enables massive connectivity as required in future 5G and 6G networks. While purely linear processing already achieves good performance in NOMA systems, in certain…

Signal Processing · Electrical Eng. & Systems 2022-06-14 Daniel Schäufele , Guillermo Marcus , Nikolaus Binder , Matthias Mehlhose , Alexander Keller , Sławomir Stańczak

Though the concept of non-orthogonal multiple access (NOMA) was proposed several years ago, the performance of uplink NOMA has only been verified in theory, but not in practice. This paper presents an over-the-air implementation of a uplink…

Networking and Internet Architecture · Computer Science 2018-01-18 Samith Abeywickrama , Lei Liu , Yuhao Chi , Chau Yuen

Driven by Convolutional Neural Networks, object detection and semantic segmentation have gained significant improvements. However, existing methods on the basis of a full top-down module have limited robustness in handling those two tasks…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Shihua Huang , Lu Wang

This paper investigates a cognitive unmanned aerial vehicle (UAV) enabled Internet of Things (IoT) network, where secondary/cognitive IoT devices upload their data to the UAV hub following a non-orthogonal multiple access (NOMA) protocol in…

Information Theory · Computer Science 2021-11-01 Na Tang

Wireless powered communication networks (WPCNs), where multiple energy-limited devices first harvest energy in the downlink and then transmit information in the uplink, have been envisioned as a promising solution for the future…

Information Theory · Computer Science 2018-01-30 Qingqing Wu , Wen Chen , Derrick Wing Kwan Ng , Robert Schober

In various Internet-of-Things (IoT) applications, a number of devices and sensors are used to collect data sets. As devices become more capable and smarter, they can not only collect data sets, but also process them locally. However, since…

Information Theory · Computer Science 2022-06-14 Jinho Choi

We consider an intelligent reflecting surface (IRS)-aided mobile edge computing (MEC) system, where an IRS is deployed to assist computation offloading from two users to an access point connected with an edge cloud. For the IRS-aided data…

Information Theory · Computer Science 2020-11-10 Fasheng Zhou , Changsheng You , Rui Zhang