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This paper investigates movable antenna (MA) aided non-orthogonal multiple access (NOMA) for multi-user downlink communication, where the base station (BS) is equipped with a fixed-position antenna (FPA) array to serve multiple MA-enabled…

Information Theory · Computer Science 2024-12-18 Zhenyu Xiao , Zhe Li , Lipeng Zhu , Boyu Ning , Daniel Benevides da Costa , Xiang-Gen Xia , Rui Zhang

In this work, we design a generalized joint transmission coordinated multi-point (JT-CoMP)-non-orthogonal multiple access (NOMA) model for a virtualized multi-infrastructure network. In this model, all users benefit from multiple joint…

Information Theory · Computer Science 2021-03-24 Sepehr Rezvani , Nader Mokari , Mohammad R. Javan , Eduard A. Jorswieck

We characterize time and power allocations to optimize the sum-throughput of a Wireless Powered Communication Network (WPCN) with Non-Orthogonal Multiple Access (NOMA). In our setup, an Energy Rich (ER) source broadcasts wireless energy to…

Information Theory · Computer Science 2017-03-06 Mohamed A. Abd-Elmagid , Alessandro Biason , Tamer ElBatt , Karim G. Seddik , Michele Zorzi

In this paper, we develop a hierarchical aerial computing framework composed of high altitude platform (HAP) and unmanned aerial vehicles (UAVs) to compute the fully offloaded tasks of terrestrial mobile users which are connected through an…

Networking and Internet Architecture · Computer Science 2023-05-31 Maryam Ansarifard , Nader Mokari , Mohammadreza Javan , Hamid Saeedi , Eduard A. Jorswieck

Driven by the rapid escalation of the wireless capacity requirements imposed by advanced multimedia applications (e.g., ultra-high-definition video, virtual reality etc.), as well as the dramatically increasing demand for user access…

Information Theory · Computer Science 2018-08-02 Yuanwei Liu , Zhijin Qin , Maged Elkashlan , Zhiguo Ding , Arumugam Nallanathan , Lajos Hanzo

In this paper, we investigate energy harvesting capabilities of non-orthogonal multiple access (NOMA) scheme integrated with the conventional time division multiple access (TDMA) scheme, which is referred to as hybrid TDMA-NOMA system. In a…

Power-domain non-orthogonal multiple access (NOMA) has become a promising technology to exploit the new dimension of the power domain to enhance the spectral efficiency of wireless networks. However, most existing NOMA schemes rely on the…

Signal Processing · Electrical Eng. & Systems 2020-03-24 Min Fu , Yong Zhou , Yuanming Shi , Khaled B. Letaief

This paper introduces a novel power allocation and subcarrier optimization algorithm tailored for fixed wireless access (FWA) networks operating under low-rank channel conditions, where the number of subscriber antennas far exceeds those at…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Kamyar Rajabalifardi , Sagnik Bhattacharya , Mehrnaz Afshang , Mohammad Mozaffari , John M. Cioffi

In this paper, the effective use of flight-time constrained unmanned aerial vehicles (UAVs) as flying base stations that can provide wireless service to ground users is investigated. In particular, a novel framework for optimizing the…

Information Theory · Computer Science 2017-04-18 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

Effective communication for emergency vehicles - such as ambulances and fire trucks - is essential to support their operations in various traffic and environmental conditions. In this context, this paper investigates a vehicular…

Signal Processing · Electrical Eng. & Systems 2025-10-01 S. Fatemeh Bozorgi , S. Mohammad Razavizadeh , Mohsen Rezaee

Simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) is a promising technology to achieve full-space coverage. This paper investigates the resource allocation problem in a STAR-RIS-assisted multi-carrier…

Information Theory · Computer Science 2021-11-09 Chenyu Wu , Xidong Mu , Yuanwei Liu , Xuemai Gu , Xianbin Wang

In this paper, we study the performance of non-orthogonal multiple access (NOMA) schemes in wireless powered communication networks (WPCN) focusing on the system energy efficiency (EE). We consider multiple energy harvesting user equipments…

Information Theory · Computer Science 2018-06-19 Tewodros A. Zewde , M. Cenk Gursoy

This paper considers the design of beamforming for orthogonal time frequency space modulation assisted non-orthogonal multiple access (OTFS-NOMA) networks, in which a high-mobility user is sharing the spectrum with multiple low-mobility…

Information Theory · Computer Science 2019-11-01 Zhiguo Ding

Ambient backscatter communication (BackCom) is faced with the challenge that a single BackCom device can occupy multiple orthogonal resource blocks unintentionally. As a result, in order to avoid co-channel interference, a conventional…

Information Theory · Computer Science 2021-06-01 Zhiguo Ding , H. Vincent Poor

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

The communication energy in a wireless network of mobile autonomous agents should be defined to include the propulsion energy as well as the transmission energy used to facilitate information transfer. We therefore develop…

Systems and Control · Electrical Eng. & Systems 2019-06-20 Omar J. Faqir , Eric C. Kerrigan , Deniz Gündüz , Yuanbo Nie

This work describes the orchestration of a fleet of rotary-wing Unmanned Aerial Vehicles (UAVs) for harvesting prioritized traffic from random distributions of heterogeneous users with Multiple Input Multiple Output (MIMO) capabilities. In…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Bharath Keshavamurthy , Nicolo Michelusi

This letter considers a legacy massive multiple-input multiple-output (MIMO) network, in which spatial beams have been preconfigured for near-field users, and proposes to use the non-orthogonal multiple access (NOMA) principle to serve…

Information Theory · Computer Science 2023-09-19 Zhiguo Ding , Robert Schober , H. Vincent Poor

Recently, movable antenna (MA) array becomes a promising technology for improving the communication quality in wireless communication systems. In this letter, an unmanned aerial vehicle (UAV) enabled multi-user multi-input-single-output…

Signal Processing · Electrical Eng. & Systems 2024-10-24 Wenchao Liu , Xuhui Zhang , Huijun Xing , Jinke Ren , Yanyan Shen , Shuguang Cui

Cellular-connected unmanned aerial vehicles (UAVs) are recently getting significant attention due to various practical use cases, e.g., surveillance, data gathering, purchase delivery, among other applications. Since UAVs are low power…

Signal Processing · Electrical Eng. & Systems 2019-02-14 Ali Rahmati , Yavuz Yapıcı , Nadisanka Rupasinghe , Ismail Guvenc , Huaiyu Dai , Arupjyoti Bhuyany
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