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Despite the enhanced spectral efficiency brought by the integrated radar and communication technique, it poses significant risks to communication security when confronted with malicious radar targets. To address this issue, a reconfigurable…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Tong-Xing Zheng , Xin Chen , Lan Lan , Ying Ju , Xiaoyan Hu , Rongke Liu , Derrick Wing Kwan Ng , Tiejun Cui

In this paper, we take all users' secrecy rate requirements into consideration and propose a rate-splitting multiple access (RSMA)-based secure beamforming approach to maximize the weighted sum-rate (WSR), where multi-user interference…

Information Theory · Computer Science 2023-08-25 Huiyun Xia , Yijie Mao , Xiaokang Zhou , Bruno Clerckx , Shuai Han , Cheng Li

In this paper, we employ Cooperative Rate-Splitting (CRS) technique to enhance the Secrecy Sum Rate (SSR) for the Multiple Input Single Output (MISO) Broadcast Channel (BC), consisting of two legitimate users and one eavesdropper, with…

Signal Processing · Electrical Eng. & Systems 2020-06-05 Ping Li , Ming Chen , Yijie Mao , Zhaohui Yang , Bruno Clerckx , Mohammad Shikh-Bahaei

This letter is the third part of a three-part tutorial that focuses on rate-splitting multiple access (RSMA) for 6G. As Part III of the tutorial, this letter provides an overview of integrating RSMA and reconfigurable intelligent surface…

Signal Processing · Electrical Eng. & Systems 2022-08-08 Hongyu Li , Yijie Mao , Onur Dizdar , Bruno Clerckx

The rapid development of IoT technology has led to a shortage of spectrum resources and energy, giving rise to simultaneous wireless information and power transfer (SWIPT) technology. However, traditional multiple input multiple output…

Signal Processing · Electrical Eng. & Systems 2025-05-27 Yixuan Guo , Mingliang Xiong , Wen Fang , Qingwei Jiang , Qingwen Liu , Gang Yan

Due to the low power consumption and low cost nature of transmissive reconfigurable intelligent surface (RIS),in this paper, we propose a downlink multi-user rate-splitting multiple access (RSMA) architecture based on the transmissive RIS…

Information Theory · Computer Science 2023-07-25 Bojiang Li , Wen Chen , Zhendong Li , Qingqing Wu , Nan Cheng , Changle Li , Linglong Dai

Rate Splitting Multiple Access (RSMA) has emerged as an effective interference management scheme for applications that require high data rates. Although RSMA has shown advantages in rate enhancement and spectral efficiency, it has yet not…

Networking and Internet Architecture · Computer Science 2023-03-14 Nguyen Quang Hieu , Diep N. Nguyen , Dinh Thai Hoang , Eryk Dutkiewicz

In this paper, the sum-rate maximization problem is studied for wireless networks that use downlink rate splitting multiple access (RSMA). In the considered model, each base station (BS) divides the messages that must be transmitted to its…

Signal Processing · Electrical Eng. & Systems 2019-03-20 Zhaohui Yang , Mingzhe Chen , Walid Saad , Mohammad Shikh-Bahaei

In this work, we investigate Block Diagonalization (BD) techniques for multiuser multiple-antenna systems using rate-splitting (RS) multiple access. In RS multiple access the messages of the users are split into a common part and a private…

Information Theory · Computer Science 2019-07-02 A. Flores , R. C. de Lamare

Movable antennas (MAs) have shown significant potential in enhancing the performance of dual-functional radar-communication (DFRC) systems. In this paper, we investigate the MA-based transceiver design for DFRC systems, where a…

Signal Processing · Electrical Eng. & Systems 2025-02-14 Ran Yang , Zheng Dong , Peng Cheng , Yue Xiu , Yan Li , Ning Wei

The performance of grant-free random access (GF-RA) is limited by the number of accessible random access resources (RRs) due to the absence of collision resolution. Compressive sensing (CS)-based RA schemes scale up the RRs at the expense…

Information Theory · Computer Science 2021-03-23 Ameha Tsegaye Abebe , Chung G. Kang

Non-fixed flexible antenna architectures, such as fluid antenna system (FAS), movable antenna (MA), and pinching antenna, have garnered significant interest in recent years. Among them, rotatable antenna (RA) technology has recently drawn…

Signal Processing · Electrical Eng. & Systems 2025-10-06 Yanhua Tan , Beixiong Zheng , Yi Fang , Derrick Wing Kwan Ng , Jie Xu , Rui Zhang

Recently, unmanned aerial vehicle (UAV)-enabled integrated sensing and communication (ISAC) is emerging as a promising technique for achieving robust and rapid emergency response capabilities. Such a novel framework offers high-quality and…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Binghan Yao , Ruoguang Li , Yingyang Chen , Li Wang

Dual function radar communications (DFRC) systems are attractive technologies for autonomous vehicles, which utilize electromagnetic waves to constantly sense the environment while simultaneously communicating with neighbouring devices. An…

Signal Processing · Electrical Eng. & Systems 2021-12-15 Dingyou Ma , Nir Shlezinger , Tianyao Huang , Yimin Liu , Yonina C. Eldar

The harsh environment and scarce resources post-disaster drive the equipment to be miniaturized and portable. Based on this, integrated sensing and communication (ISAC) systems play a significant role in providing emergency wireless…

Signal Processing · Electrical Eng. & Systems 2025-09-03 Zhuohui Yao , Wenchi Cheng , Liping Liang , Tao Zhang , Jun Gong

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

We propose a novel design of a dual-function radar communication (DFRC) system aided by an Intelligent Reflecting Surface (IRS). We consider a scenario with one target and multiple communication receivers, where there is no line-of-sight…

Signal Processing · Electrical Eng. & Systems 2022-04-12 Yikai Li , Athina Petropulu

This paper introduces a dual-function radar-communication (DFRC) system with cognitive radio capability to tackle the spectral scarcity problem in wireless communications. Particularly, a cognitive DFRC system operates on a spectrum owned…

Information Theory · Computer Science 2025-06-04 Tuan Anh Le , Ivan Ku , Xin-She Yang , Christos Masouros , Tho Le-Ngoc

This work investigates the design of Hybrid Automatic Repeat Request (HARQ) strategies for downlink Rate-Splitting Multiple Access (RSMA). The existence of private and common stream as well as their conditioning for Successive Interference…

Information Theory · Computer Science 2023-09-06 Rafael Cerna Loli , Onur Dizdar , Bruno Clerckx , Petar Popovski

This paper proposes a rate-splitting multiple access (RSMA) transmission scheme to maximize the minimum achievable rate among ground users for emergency communications in post-disaster scenarios with obstacles, with which the optimal…

Information Theory · Computer Science 2025-09-30 Qingyang Wang , Zhuohui Yao , Wenchi Cheng , Xiao Zheng