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Incorporating rate splitting multiple access (RSMA) into integrated sensing and communication (ISAC) presents a significant security challenge, particularly in scenarios where the location of a potential eavesdropper (Eve) is unidentified.…

信号处理 · 电气工程与系统科学 2024-07-23 A. Abdelaziz Salem , Saeed Abdallah , Mohamed Saad , Khawla Alnajjar , Mahmoud A. Albreem

Convergence constrained power allocation (CCPA) in single carrier multiuser (MU) single-input multiple-output (SIMO) systems with turbo equalization is considered in this paper. In order to exploit full benefit of the iterative receiver,…

信息论 · 计算机科学 2016-11-17 Valtteri Tervo , Antti Tölli , Juha Karjalainen , Tad Matsumoto

In this paper, we combine the network-assisted full-duplex (NAFD) technology and distributed radar sensing to implement integrated sensing and communication (ISAC). The ISAC system features both uplink and downlink remote radio units (RRUs)…

信息论 · 计算机科学 2023-11-14 Fan Zeng , Jingxuan Yu , Jiamin Li , Feiyang Liu , Dongming Wang , Xiaohu You

Reconfigurable intelligent surface (RIS) can significantly enhance the service coverage of Tera-Hertz massive multiple-input multiple-output (MIMO) communication systems. However, obtaining accurate high-dimensional channel state…

信号处理 · 电气工程与系统科学 2022-12-06 Minghui Wu , Zhen Gao , Yang Huang , Zhenyu Xiao , Derrick Wing Kwan Ng , Zhaoyang Zhang

Joint radar and communication (JRC) is a promising technique for spectrum re-utilization, which enables radar sensing and data transmission to operate on the same frequencies and the same devices. However, due to the multi-objective…

计算机科学与博弈论 · 计算机科学 2022-10-11 Ismail Lotfi , Hongyang Du , Dusit Niyato , Sumei Sun , Dong In Kim

UAVs are capable of improving the performance of next generation wireless systems. Specifically, UAVs can be exploited as aerial base-stations (UAV-BS) for supporting legitimate ground users in remote uncovered areas or in environments…

Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share spectrum with primary users. Meanwhile, intelligent reflecting surface (IRS),…

信号处理 · 电气工程与系统科学 2019-12-24 Jie Yuan , Ying-Chang Liang , Jingon Joung , Gang Feng , Erik G. Larsson

In this paper, a Rate-Splitting Multiple Access (RSMA) scheme is proposed to assist a Mobile Edge Computing (MEC) system where local computation tasks from two users are offloaded to the MEC server, facilitated by uplink RSMA for…

信息论 · 计算机科学 2025-02-10 Jiawei Xu , Yumeng Zhang , Yunnuo Xu , Bruno Clerckx

Next generation wireless networks require more stringent performance levels. New technologies such as Reconfigurable intelligent surfaces (RISs) and rate-splitting multiple access (RSMA) are candidates for meeting some of the performance…

网络与互联网体系结构 · 计算机科学 2024-04-11 Ibrahim Aboumahmoud , Ekram Hossain , \\Amine Mezghani

While the robustness of rate-splitting multiple access (RSMA) to imperfect channel state information (CSI) is well-documented, its susceptibility to attacks launched with malicious reconfigurable intelligent surfaces (RISs) remains…

信号处理 · 电气工程与系统科学 2024-08-26 A. S. de Sena , A. Gomes , J. Kibiłda , N. H. Mahmood , L. A. DaSilva , M. Latva-aho

Integrated sensing and communication (ISAC) is expected to play a prominent role among emerging technologies in future wireless communications. In particular, a communication radar coexistence system is degraded significantly by mutual…

信息论 · 计算机科学 2024-04-26 Anastasios Papazafeiropoulos , Pandelis Kourtessis , Symeon Chatzinotas

Considering the spectrum sharing system (SSS) coexisting with multiple primary networks, we have employed a well-designed reconfigurable intelligent surface (RIS) to control the radio environments of wireless channels and relieve the…

信息论 · 计算机科学 2022-11-07 Zhong Tian , Zhengchuan Chen , Min Wang , Yunjian Jia , Wanli Wen

With the goal of ubiquitous global connectivity, multibeam low Earth orbit (LEO) satellite communication (SATCOM) has attracted significant attention in recent years. The traffic demands of users are heterogeneous within the broad coverage…

信息论 · 计算机科学 2025-02-11 Jaehyup Seong , Juha Park , Juhwan Lee , Jungwoo Lee , Jung-Bin Kim , Wonjae Shin , H. Vincent Poor

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…

信息论 · 计算机科学 2024-09-25 Jiakang Zheng , Jiayi Zhang , Hongyang Du , Ruichen Zhang , Dusit Niyato , Octavia A. Dobre , Bo Ai

Cognitive radio (CR) and non-orthogonal multiple access (NOMA) have been deemed two promising technologies due to their potential to achieve high spectral efficiency and massive connectivity. This paper studies a multiple-input…

信号处理 · 电气工程与系统科学 2018-02-28 Fuhui Zhou , Zheng Chu , Haijian Sun , Rose Qingyang Hu , Lajos Hanzo

In this paper, we investigate the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) with rate-splitting multiple access (RSMA) for improving physical layer security (PLS) in integrated…

信号处理 · 电气工程与系统科学 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

In this paper, we investigate resource allocation algorithm design for intelligent reflecting surface (IRS)-assisted multiuser cognitive radio (CR) systems. In particular, an IRS is deployed to mitigate the interference caused by the…

信息论 · 计算机科学 2020-03-03 Dongfang Xu , Xianghao Yu , Robert Schober

The integrated radar and communication system is promising in the next generation wireless communication networks. However, its performance is confined by the limited energy. In order to overcome it, a wireless powered integrated radar and…

信号处理 · 电气工程与系统科学 2018-09-06 Yifan Zhou , Huilin Zhou , Fuhui Zhou , Yongpeng Wu , Victor C. M. Leung

Recent technological advancements are making the use of compact, low-cost, low-power mm-wave radars viable for providing environmental awareness in a number of applications, ranging from automotive to indoor mapping and radio resource…

网络与互联网体系结构 · 计算机科学 2019-02-05 Andrea Munari , Nina Grosheva , Ljiljana Simić , Petri Mähönen

Intelligent reflecting surface (IRS) and rate-splitting multiple access (RSMA) technologies are at the forefront of enhancing spectrum and energy efficiency in the next generation multi-antenna communication systems. This paper explores a…

信号处理 · 电气工程与系统科学 2024-06-06 Chunjie Wang , Xuhui Zhang , Huijun Xing , Liang Xue , Shuqiang Wang , Yanyan Shen , Bo Yang , Xinping Guan
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