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Non-orthogonal multiple access (NOMA) exploits the potential of the power domain to enhance the connectivity for the Internet of Things (IoT). Due to time-varying communication channels, dynamic user clustering is a promising method to…

Information Theory · Computer Science 2021-03-10 Waleed Ahsan , Wenqiang Yi , Zhijin Qin , Yuanwei Liu , Arumugam Nallanathan

LoRa wireless networks are considered as a key enabling technology for next generation internet of things (IoT) systems. New IoT deployments (e.g., smart city scenarios) can have thousands of devices per square kilometer leading to huge…

Networking and Internet Architecture · Computer Science 2021-09-07 Rami Hamdi , Emna Baccour , Aiman Erbad , Marwa Qaraqe , Mounir Hamdi

As next-generation Internet of Things (NG-IoT) networks continue to grow, the number of connected devices is rapidly increasing, along with their energy demands, creating challenges for resource management and sustainability.…

Networking and Internet Architecture · Computer Science 2026-03-26 Abdullahi Isa Ahmed , Jamal Bentahar , El Mehdi Amhoud

In this paper, energy efficient resource allocation is considered for an uplink hybrid system, where non-orthogonal multiple access (NOMA) is integrated into orthogonal multiple access (OMA). To ensure the quality of service for the users,…

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

With the increase in demand for Internet of Things (IoT) applications, the number of IoT devices has drastically grown, making spectrum resources seriously insufficient. Transmission collisions and retransmissions increase power…

Networking and Internet Architecture · Computer Science 2025-01-23 Ryotai Airiyoshi , Mikio Hasegawa , Tomoaki Ohtsuki , Aohan Li

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…

Information Theory · Computer Science 2017-11-27 Rukhsana Ruby , Shuxin Zhong , Hailiang Yang , Kaishun Wu

The anticipated increase in the count of IoT devices in the coming years motivates the development of efficient algorithms that can help in their effective management while keeping the power consumption low. In this paper, we propose an…

Networking and Internet Architecture · Computer Science 2021-11-02 Inaam Ilahi , Muhammad Usama , Muhammad Omer Farooq , Muhammad Umar Janjua , Junaid Qadir

Jointly optimizing power allocation and device association is crucial in Internet-of-Things (IoT) networks to ensure devices achieve their data throughput requirements. Device association, which assigns IoT devices to specific access points…

Information Theory · Computer Science 2024-11-18 Nguyen Xuan Tung , Trinh Van Chien , Dinh Thai Hoang , Won Joo Hwang

The LoRa physical layer is one of the most promising Low Power Wide-Area Network (LPWAN) technologies for future Internet of Things (IoT) applications. It provides a flexible adaptation of coverage and data rate by allocating different…

Networking and Internet Architecture · Computer Science 2019-04-26 Licia Amichi , Megumi Kaneko , Ellen Hidemi Fukuda , Nancy El Rachkidy , Alexandre Guitton

We consider the distributed uplink resource allocation problem in a multi-carrier wireless network with multiple access points (APs). Each mobile user can optimize its own transmission rate by selecting a suitable AP and by controlling its…

Information Theory · Computer Science 2016-08-24 Mingyi Hong , Alfredo Garcia , Jorge Barrera , Stephen G. Wilson

This paper studies the problem of allocating bandwidth and computation resources to data analytics tasks in Internet of Things (IoT) networks. IoT nodes are powered by batteries, can process (some of) the data locally, and the quality grade…

Networking and Internet Architecture · Computer Science 2019-04-23 Victor Valls , George Iosifidis , Theodoros Salonidis

In this paper, we investigate the uplink transmissions in low-power wide-area networks (LPWAN) where the users are self-powered by the energy harvested from the ambient environment. Demonstrating their potential in supporting diverse…

Optimization and Control · Mathematics 2019-05-13 Fatma Benkhelifa , Zhijin Qin , Julie McCann

In this paper, we consider the problem of power efficient uplink scheduling in a Time Division Multiple Access (TDMA) system over a fading wireless channel. The objective is to minimize the power expenditure of each user subject to…

Networking and Internet Architecture · Computer Science 2007-10-08 Nitin Salodkar , Abhay Karandikar , Vivek S. Borkar

This paper studies multi-user wireless powered communication networks, where energy constrained users charge their energy storages by scavenging energy of the radio frequency signals radiated from a hybrid access point (H-AP). The energy is…

Information Theory · Computer Science 2023-12-05 Hoon Lee , Kyoung-Jae Lee , Hanjin Kim , Bruno Clerckx , Inkyu Lee

In this paper, we investigate the resource allocation for uplink non-orthogonal multiple access (NOMA) enabled low-power wide-area (LPWA) networks to support the massive connectivity of users/nodes. Here, LPWA nodes communicate with a…

Signal Processing · Electrical Eng. & Systems 2019-10-01 Kaihan Li , Fatma Benkhelifa , Julie McCann

The proliferation of wireless-enabled applications with divergent quality of service (QoS) requirements necessitates tailored QoS provisioning. With the growing complexity of wireless infrastructures, application-specific QoS perceived by a…

Networking and Internet Architecture · Computer Science 2024-03-12 Yongqin Fu , Xianbin Wang

In this contribution we present a decentralized power allocation algorithm for the uplink interleave division multiple access (IDMA) channel. Within the proposed optimal strategy for power allocation, each user aims at selfishly maximizing…

Information Theory · Computer Science 2016-11-15 Samir Medina Perlaza , Laura Cottatellucci , Merouane Debbah

This article investigates the energy efficiency issue in non-orthogonal multiple access (NOMA)-enhanced Internet-of-Things (IoT) networks, where a mobile unmanned aerial vehicle (UAV) is exploited as a flying base station to collect data…

Signal Processing · Electrical Eng. & Systems 2021-03-17 Jingjing Zhao , Kaiquan Cai , Yanbo Zhu

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 studies the problem of online user grouping, scheduling and power allocation in beyond 5G cellular-based Internet of things networks. Due to the massive number of devices trying to be granted to the network, non-orthogonal…

Networking and Internet Architecture · Computer Science 2022-01-28 Zoubeir Mlika , Soumaya Cherkaoui
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