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Rate-splitting multiple access (RSMA) has appeared as a powerful transmission and multiple access strategy for multi-user multi-antenna communications. Uniquely, this paper studies the optimization of the sum-rate of RSMA with imperfect…

Information Theory · Computer Science 2021-02-22 Jihye An , Onur Dizdar , Bruno Clerckx , Wonjae Shin

In this work, we address the issue of quality of experience (QoE) in unmanned aerial vehicle (UAV) aided multiuser rate-splitting multiple access (RSMA) networks under secrecy constraints. The problem is formulated as maximization of sum…

Networking and Internet Architecture · Computer Science 2024-05-24 Abuzar B. M. Adam , Xiaoyu Wan , Mohammed Saleh Ali Muthanna

Cell-free (CF) massive multiple-input multipleoutput (MIMO) provides a ubiquitous coverage to user equipments (UEs) but it is also susceptible to interference. Ratesplitting (RS) effectively extracts data by decoding interference, yet its…

Information Theory · Computer Science 2024-09-25 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Ruichen Zhang , Dusit Niyato , Octavia A. Dobre , Bo Ai

Rate splitting multiple access (RSMA) has firmly established itself as a powerful methodology for multiple access, interference management, and multi-user strategy for next-generation communication systems. In this paper, we propose a novel…

Signal Processing · Electrical Eng. & Systems 2025-04-17 Sawaira Rafaqat Ali , Shaima Abidrabbu , H. M. Furqan , Hüseyin Arslan

With the blooming of Internet-of-Things (IoT), we are witnessing an explosion in the number of IoT terminals, triggering an unprecedented demand for ubiquitous wireless access globally. In this context, the emerging low-Earth-orbit…

Signal Processing · Electrical Eng. & Systems 2022-12-26 Zhen Gao , Xingyu Zhou , Jingjing Zhao , Juan Li , Chunli Zhu , Chun Hu , Pei Xiao , Symeon Chatzinotas , Derrick Wing Kwan Ng , Bjorn Ottersten

This work studies the optimization of rate-splitting multiple access (RSMA) transmission technique for a cloud radio access network (C-RAN) downlink system. Main idea of RSMA is to split the message for each user equipment (UE) to private…

Signal Processing · Electrical Eng. & Systems 2019-07-05 Daesung Yu , Junbeom Kim , Seok-Hwan Park

This article addresses multi-servicer on-orbit servicing mission planning in geosynchronous Earth orbit, where routing decisions are tightly coupled with time-dependent orbital phasing and strict propellant and mission-duration constraints.…

Systems and Control · Electrical Eng. & Systems 2026-03-24 Shridhar Velhal , Avijit Banerjee , George Nikolakopoulos

Rate splitting multiple access (RSMA) is a promising non-orthogonal transmission strategy for next-generation wireless networks. It has been shown to outperform existing multiple access schemes in terms of spectral and energy efficiency…

Information Theory · Computer Science 2022-11-04 Bho Matthiesen , Yijie Mao , Armin Dekorsy , Petar Popovski , Bruno Clerckx

The cell-free (CF) massive multiple-input multiple-output (MIMO) system is considered a cutting-edge technology in next-generation mobile communication due to its ability to provide high-performance coverage seamlessly and uniformly. This…

Information Theory · Computer Science 2023-08-31 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Dusit Niyato , Dong In Kim , Bo Ai

Rate-Splitting Multiple Access (RSMA) is a powerful and versatile physical layer multiple access technique that generalizes and has better interference management capabilities than 5G-based Space Division Multiple Access (SDMA). It is also…

Signal Processing · Electrical Eng. & Systems 2025-02-18 Sundar Aditya , Yong Jin Daniel Kim , David Vargas , David Redgate , Onur Dizdar , Neil Bhushan , Xinze Lyu , Sibo Zhang , Stephen Wang , Bruno Clerckx

A high success rate of grant-free random access scheme is proposed to support massive access for machine-to-machine communications in massive multipleinput multiple-output systems. This scheme allows active user equipments (UEs) to transmit…

Information Theory · Computer Science 2020-12-29 Huimei Han , Lushun Fang , Weidang Lu , Wenchao Zhai , Ying Li , Jun Zhao

Integrated sensing and communication is a key feature in next-generation wireless networks, enabling joint data transmission and environmental radar sensing on shared spectrum. In multi-user scenarios, simultaneous transmissions cause…

Signal Processing · Electrical Eng. & Systems 2026-01-30 Laurits Randers , Martin Voigt Vejling , Petar Popovski

In this paper, we consider a cooperative communication network where multiple low-Earth-orbit (LEO) satellites provide services to multiple ground users (GUs) cooperatively at the same time and on the same frequency. The multi-satellite…

Information Theory · Computer Science 2023-12-29 Xuan Zhang , Shu Sun , Meixia Tao , Qin Huang , Xiaohu Tang

Rate-Splitting Multiple Access (RSMA) is a flexible and robust multiple access scheme for downlink multi-antenna wireless networks. RSMA relies on Rate-Splitting (RS) at the transmitter and Successive Interference Cancellation (SIC) at the…

Information Theory · Computer Science 2021-08-13 Onur Dizdar , Yijie Mao , Yunnuo Xu , Peiying Zhu , Bruno Clerckx

Next-generation wireless networks are projected to empower a broad range of Internet-of-things (IoT) applications and services with extreme data rates, posing new challenges in delivering large-scale connectivity at a low cost to current…

Information Theory · Computer Science 2024-06-05 Thai-Hoc Vu , Daniel Benevides da Costa , Bao Vo Nguyen Quoc , Sunghwan Kim

Rate-Splitting Multiple Access (RSMA) has been recognized as a promising multiple access technique for future wireless communication systems. Recent research demonstrates that RSMA can maintain its superiority without relying on Successive…

Information Theory · Computer Science 2025-07-16 Sibo Zhang , Bruno Clerckx , David Vargas

Rate-splitting multiple access (RSMA) has been recognized as a promising and powerful multiple access (MA) scheme, non-orthogonal transmission framework and interference management strategy for 6G. Inspired by the appealing spectral…

Information Theory · Computer Science 2022-03-11 Tianyu Fang , Yijie Mao , Shanpu Shen , Zhencai Zhu , Bruno Clerckx

For multiuser MISO systems with bounded uncertainties in the Channel State Information (CSI), we consider two classical robust design problems: maximizing the minimum rate subject to a transmit power constraint, and power minimization under…

Information Theory · Computer Science 2016-01-21 Hamdi Joudeh , Bruno Clerckx

Rate-Splitting (RS) has been proposed recently to enhance the performance of multi-user multiple-input multiple-output (MU-MIMO) systems. In RS, a user message is split into a common and a private part, where the common part is decoded by…

Signal Processing · Electrical Eng. & Systems 2019-07-22 Abdelhamid Salem , Christos Masouros , Bruno Clerckx

This paper analyzes the performance of low earth orbit (LEO) satellites based internet-of-things (IoT) network where each IoT node makes use of multiple satellites to communicate with the ground station (GS). In this work, we consider fixed…

Signal Processing · Electrical Eng. & Systems 2020-04-23 Ayush Kumar Dwivedi , Sai Praneeth Chokkarapu , Sachin Chaudhari , Neeraj Varshney