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To meet the growing data traffic demand in future wireless systems, novel transmission architectures capable of adapting to complex propagation environments are required. Movable antenna (MA) systems have recently emerged as a promising…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Xiaoyi Zhang , Amna Irshad , Emil Björnson

In this paper, to fully exploit the performance gains from moveable antennas (MAs) and reconfigurable intelligent surface (RIS), a RIS-aided directional modulation \textcolor{blue}{(DM)} network with movable antenna at base station (BS) is…

Signal Processing · Electrical Eng. & Systems 2025-04-11 Maolin Li , Jingdie Xin , Feng Shu , Xuehui Wang , Yongpeng Wu , Cunhua Pan

Rate-Splitting Multiple Access (RSMA) has emerged as a powerful multiple access, interference management, and multi-user strategy for next generation communication systems. In this tutorial, we depart from the orthogonal multiple access…

Information Theory · Computer Science 2023-01-11 Bruno Clerckx , Yijie Mao , Eduard A. Jorswieck , Jinhong Yuan , David J. Love , Elza Erkip , Dusit Niyato

We consider a distributed learning problem in a wireless network, consisting of N distributed edge devices and a parameter server (PS). The objective function is a sum of the edge devices' local loss functions, who aim to train a shared…

Machine Learning · Computer Science 2021-10-11 Raz Paul , Yuval Friedman , Kobi Cohen

Movable antennas (MAs) have emerged as a promising technology for wireless sensing by reconfiguring antenna positions to exploit additional spatial degrees of freedom (DoFs). This paper investigates a robust movable antenna placement…

Signal Processing · Electrical Eng. & Systems 2026-03-12 Jinjian Liu , Xianxin Song , Xianghao Yu

In this paper, we investigate a multi-receiver communication system enabled by movable antennas (MAs). Specifically, the transmit beamforming and the double-side antenna movement at the transceiver are jointly designed to maximize the…

Information Theory · Computer Science 2024-04-03 Caihao Weng , Yuanbin Chen , Lipeng Zhu , Ying Wang

This work focuses on the synergy of rate-splitting multiple access (RSMA) and beyond diagonal reconfigurable intelligent surface (BD-RIS) to enlarge the coverage, improve the performance, and save on antennas. Specifically, we employ a…

Information Theory · Computer Science 2024-01-05 Hongyu Li , Shanpu Shen , Bruno Clerckx

As 6G networks demand massive connectivity and stronger interference control, rate-splitting multiple access (RSMA) is attractive because it superposes a common stream and user-private streams and remains effective under imperfect CSIT and…

Signal Processing · Electrical Eng. & Systems 2026-04-15 Jinyuan Liu , Yong Liang Guan , Tuo Wu , Kai-Kit Wong , Bruno Clerckx

This paper explores the application of movable antenna (MA), a cutting-edge technology with the capability of altering antenna positions, in a symbiotic radio (SR) system enabled by reconfigurable intelligent surface (RIS). The goal is to…

Signal Processing · Electrical Eng. & Systems 2025-04-24 Bin Lyu , Hao Liu , Meng Hua , Wenqing Hong , Shimin Gong , Feng Tian , Abbas Jamalipour

This paper investigates the problem of resource allocation for joint communication and radar sensing system on rate-splitting multiple access (RSMA) based unmanned aerial vehicle (UAV) system. UAV simultaneously communicates with multiple…

Information Theory · Computer Science 2021-07-13 Yuwei Li , Wanli Ni , Hui Tian , Meihui Hua , Shaoshuai Fan

Movable antennas represent an emerging field in telecommunication research and a potential approach to achieving higher data rates in multiple-input multiple-output (MIMO) communications when the total number of antennas is limited. Most…

Information Theory · Computer Science 2025-06-03 Amna Irshad , Emil Björnson , Alva Kosasih , Vitaly Petrov

Through adaptive antenna repositioning, the movable antenna (MA) technology enables on-demand reconfiguration of wireless channels, thereby creating an additional spatial degree of freedom in improving communication performance. This paper…

Information Theory · Computer Science 2026-04-23 Guojie Hu , Qingqing Wu , Lipeng Zhu , Kui Xu , Guoxin Li , Tong-Xing Zheng

MIMO technology has enabled spatial multiple access and has provided a higher system spectral efficiency (SE). However, this technology has some drawbacks, such as the high number of RF chains that increases complexity in the system. One of…

Signal Processing · Electrical Eng. & Systems 2022-11-28 Yasaman Abdollahian , Ehsan Tohidi , Martin Kasparick , Li Wang , Ahmet Hasim Gokceoglu , Slawomir Stanczak

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

Rate-Splitting Multiple Access (RSMA) is an emerging flexible and powerful multiple access for downlink multiantenna networks. In this paper, we introduce the concept of RSMA into short-packet downlink communications. We design optimal…

Information Theory · Computer Science 2022-07-13 Yunnuo Xu , Yijie Mao , Onur Dizdar , Bruno Clerckx

In this paper an innovative Radio Resource Management (RRM) algorithm is proposed with the purpose of increasing High Speed Packet Access (HSPA) performances, in terms of system capacity and service quality, when the Multimedia Broadcast…

Information Theory · Computer Science 2016-06-08 G. Araniti , V. Scordamaglia , A. Molinaro , A. Iera , G. Interdonato , F. Spanò

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 paper investigates a six-dimensional movable antenna (6DMA)-aided cell-free multi-user multiple-input multiple-output (MIMO) communication system. In this system, each distributed access point (AP) can flexibly adjust its array…

Signal Processing · Electrical Eng. & Systems 2026-01-09 Yichi Zhang , Yuchen Zhang , Wenyan Ma , Lipeng Zhu , Jianquan Wang , Wanbin Tang , Rui Zhang

Reconfigurable intelligent surface-empowered communication (RIS) and sparse code multiple access (SCMA) are promising candidates for future generations of wireless networks. The former enhances the transmission environments, whereas the…

Information Theory · Computer Science 2020-11-20 Ibrahim Al-Nahhal , Octavia A. Dobre , Ertugrul Basar

This study explores the synergy between rate-splitting multiple access (RSMA) and simultaneous transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) as a unified framework to enable ubiquitous, intelligent, and resilient…

Signal Processing · Electrical Eng. & Systems 2025-10-21 Muhammad Asif , Asim Ihsan , Zhu Shoujin , Ali Ranjha , Xingwang Li , Khaled M. Rabie , Symeon Chatzinotas