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This paper investigates a movable antenna (MA) enabled integrated sensing and communication (ISAC) system under the influence of antenna crosstalk. First, it generalizes the antenna crosstalk model from the conventional fixed-position…

Signal Processing · Electrical Eng. & Systems 2025-09-04 Zeyuan Zhang , Yue Xiu , Zheng Dong , Jiacheng Yin , Maurice J. Khabbaz , Chadi Assi , Ning Wei

Integrated sensing and communication (ISAC) has opened up numerous game-changing opportunities for realizing future wireless systems. In this paper, we propose an ISAC processing framework relying on millimeter-wave (mmWave) massive…

Information Theory · Computer Science 2022-09-12 Zhen Gao , Ziwei Wan , Dezhi Zheng , Shufeng Tan , Christos Masouros , Derrick Wing Kwan Ng , Sheng Chen

Integrated sensing and communications (ISAC) is an essential technology for the 6G communication system, which enables the conventional wireless communication network capable of sensing targets around. The shared use of pilots is a…

Information Theory · Computer Science 2022-08-19 Jiamo Jiang , Mingfeng Xu , Zhongyuan Zhao , Kaifeng Han , Yang Li , Ying Du , Zhiqin Wang

This paper investigates the optimization of reconfigurable intelligent surface (RIS) in an integrated sensing and communication (ISAC) system. \red{To meet the demand of growing number of devices, power domain non-orthogonal multiple access…

Signal Processing · Electrical Eng. & Systems 2023-09-13 Wanting Lyu , Yue Xiu , Xinyang Li , Songjie Yang , Phee Lep Yeoh , Yonghui Li , Zhongpei Zhang

Energy efficiency (EE) is a challenging task in integrated sensing and communication (ISAC) systems, where high spectral efficiency and low energy consumption appear as conflicting requirements. Although passive reconfigurable intelligent…

Signal Processing · Electrical Eng. & Systems 2024-09-23 Junjie Ye , Mohamed Rihan , Peichang Zhang , Lei Huang , Stefano Buzzi , Zhen Chen

The ever-growing popularity and rapid improving of artificial intelligence (AI) have raised rethinking on the evolution of wireless networks. Mobile edge computing (MEC) provides a natural platform for AI applications since it provides rich…

Information Theory · Computer Science 2021-02-08 Shanfeng Huang , Shuai Wang , Rui Wang , Miaowen Wen , Kaibin Huang

In this paper, we focus on radar imaging using active sensing with a single transceiver and reconfigurable intelligent surface (RIS). RISs are arrays with tunable passive phase shifter elements that can modify the propagation channel. The…

Signal Processing · Electrical Eng. & Systems 2023-08-14 R. S. Prasobh Sankar , Sundeep Prabhakar Chepuri

A near-field integrated sensing and communications (ISAC) framework is proposed, which introduces an additional distance dimension for both sensing and communications compared to the conventional far-field system. In particular, the…

Information Theory · Computer Science 2025-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu

Reconfigurable intelligent surface (RIS) enhances signal quality by adjusting the phase of electromagnetic waves in wireless communication. Spatial modulation (SM), a prominent index modulation (IM) technique, provides high spectral…

Signal Processing · Electrical Eng. & Systems 2023-11-23 Burak Ahmet Ozden , Erdogan Aydin

In the upcoming 6G networks, integrated sensing and communications (ISAC) will be able to provide a performance boost in both perception and wireless connectivity. This paper considers a multiple base station (BS) architecture to support…

Information Theory · Computer Science 2025-10-02 Jiajia Liao , Luping Xiang , Shida Zhong , Lixia Xiao , Haochen Liu , Kun Yang

In this paper, we present a novel communication system model that integrates reconfigurable intelligent surfaces (RIS), spatial shift keying (SSK), and code index modulation (CIM) based on Hadamard coding called RIS based transmit SSK-CIM…

Information Theory · Computer Science 2025-07-15 Ferhat Bayar , Onur Salan , Erdogan Aydin , Haci Ilhan

As the demand for ubiquitous connectivity and high-precision environmental awareness grows, integrated sensing and communication (ISAC) has emerged as a key technology for sixth-generation (6G) wireless networks. Intelligent metasurfaces…

Signal Processing · Electrical Eng. & Systems 2025-12-08 Shunyu Li , Tianqi Mao , Guangyao Liu , Fan Zhang , Ruiqi Liu , Meng Hua , Zhen Gao , Qingqing Wu , George K. Karagiannidis

In this paper, we propose a novel multi-functional reconfigurable intelligent surface (MF-RIS) that supports signal reflection, refraction, amplification, and target sensing simultaneously. Our MF-RIS aims to enhance integrated…

Signal Processing · Electrical Eng. & Systems 2025-01-29 Dongsheng Han , Peng Wang , Wanli Ni , Wen Wang , Ailing Zheng , Dusit Niyato , Naofal Al-Dhahir

In this paper, we propose a novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered distributed cooperative integrated sensing and communication (ISAC) network to enhance coverage as well as to enhance wireless…

Information Theory · Computer Science 2024-11-19 Ziwei Liu , Wen Chen , Qingqing Wu , Zhendong Li , Qiong Wu , Nan Cheng , Jun Li

In this paper, we are interested in a reconfigurable intelligent surface (RIS)-assisted symbiotic radio (SR) system, where an RIS assists a primary transmission by passive beamforming and simultaneously acts as an information transmitter by…

Information Theory · Computer Science 2024-04-29 Qianqian Zhang , Hu Zhou , Ying-Chang Liang , Sumei Sun , Wei Zhang , H. Vincent Poor

Hybrid reconfigurable intelligent surfaces (HRISs) constitute an emerging paradigm of metasurfaces that empowers the concept of smart wireless environments, inherently supporting simultaneously communications and sensing. Very recently,…

Signal Processing · Electrical Eng. & Systems 2025-04-30 Ioannis Gavras , George C. Alexandropoulos

This paper introduces a novel framework aimed at designing integrated waveforms for robust integrated sensing and communication (ISAC) systems. The system model consists of a multiple-input multiple-output (MIMO) base station that…

Signal Processing · Electrical Eng. & Systems 2025-10-16 Yousef Kloob , Mohammad Al-Jarrah , Emad Alsusa

The reconfigurable intelligent surface (RIS), which consists of a large number of passive and low-cost reflecting elements, has been recognized as a revolutionary technology to enhance the performance of future wireless networks. This paper…

Signal Processing · Electrical Eng. & Systems 2021-05-25 Linsong Du , Shihai Shao Gang Yang , Jianhui Ma , Qinpeng Liang , Youxi Tang

Semantic communication, which focuses on conveying the meaning of information rather than exact bit reconstruction, has gained considerable attention in recent years. Meanwhile, reconfigurable intelligent surface (RIS) is a promising…

Information Theory · Computer Science 2023-06-30 Jiajia Shi , Tse-Tin Chan , Haoyuan Pan , Tat-Ming Lok

Satellite communication is envisioned as a key enabler of future 6G networks, yet its wide coverage with high link attenuation poses significant challenges for physical layer security. In this paper, we investigate secure multi-beam,…

Information Theory · Computer Science 2025-08-29 Zhaole Wang , Naijin Liu , Xiao Tang , Shuai Yuan , Chenxi Wang , Zhi Zhai , Qinghe Du , Jinxin Liu