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This work presents a novel robust beamforming design dedicated for dual-functional radar and communication (DFRC) base stations (BSs) in the context of integrated sensing and communications (ISAC). The architecture is intended for…

Signal Processing · Electrical Eng. & Systems 2023-03-15 Ahmad Bazzi , Marwa Chafii

Localization and tracking are critical components of integrated sensing and communication (ISAC) systems, enhancing resource management, beamforming accuracy, and overall system reliability through precise sensing. Due to the high path loss…

Signal Processing · Electrical Eng. & Systems 2025-02-20 Xueting Xu , Hui Chen , Shengqiang Shen , Hyowon Kim , Xu Fang , Ao Peng , Fan Jiang , Henk Wymeersch

Integrated sensing and communications (ISAC) is envisioned as a key feature in future wireless communications networks. Its integration with massive multiple-input-multiple-output (MIMO) techniques promises to leverage substantial spatial…

Signal Processing · Electrical Eng. & Systems 2025-03-19 Nhan Thanh Nguyen , Van-Dinh Nguyen , Hieu V. Nguyen , Hien Quoc Ngo , A. Lee Swindlehurst , Markku Juntti

Fluid antenna system (FAS)/movable antenna (MA) has emerged as a promising technology to fully exploit the spatial degrees of freedom (DoFs). In this paper, we propose a new rotatable antenna (RA) model, as a simplified implementation of…

Information Theory · Computer Science 2025-02-28 Qingjie Wu , Beixiong Zheng , Tiantian Ma , Rui Zhang

In the evolving environment of mobile edge computing (MEC), optimizing system performance to meet the growing demand for low-latency computing services is a top priority. Integrating fluidic antenna (FA) technology into MEC networks…

Information Theory · Computer Science 2024-03-19 Yiping Zuo , Jiajia Guo , Biyun Sheng , Chen Dai , Fu Xiao , Shi Jin

A bistatic milimeter-wave (mmWave) ISAC system utilizing OFDM signaling is considered. For a single-target scnenario, closed-form expressions for the Cramer-Rao bounds (CRBs) of range and velocity estimation are derived for a given pilot…

Signal Processing · Electrical Eng. & Systems 2025-03-27 Cuneyd Ozturk , Cagri Goken

Near-field integrated sensing and communication (ISAC) requires target models beyond the point-target abstraction when the target has a non-negligible spatial extent. In this letter, a geometry-aware transmit design is developed for a…

Signal Processing · Electrical Eng. & Systems 2026-04-21 Zongyao Zhao , Zhaolin Wang , Lincong Han , Liang Xu , Jing Jin , Yuanwei Liu , Kaibin Huang

This paper presents a new optimization framework dedicated for integrated sensing and communication (ISAC) waveform design. In particular, the problem aims at maximizing the total achievable sum-rate, through multi-user interference…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Ahmad Bazzi , Marwa Chafii

Integrated Sensing and Communications (ISAC) is regarded as a key element of the beyond-fifth-generation (5G) and sixth-generation (6G) systems, raising the question of whether current 5G New Radio (NR) signal structures can meet the…

Signal Processing · Electrical Eng. & Systems 2026-05-28 Santiago Fernández , Javier Giménez , Mari Carmen Aguayo-Torres , José A. Cortés

To achieve the joint active and passive beamforming gains in the reconfigurable intelligent surface assisted millimeter wave system, the reflected cascade channel needs to be accurately estimated. Many strategies have been proposed in the…

Information Theory · Computer Science 2021-09-22 Yiming Liu , Erwu Liu , Rui Wang , Zhu Han , Binyu Lu

Dual-functional radar-communication (DFRC) has attracted considerable attention. This paper considers the frequency-selective multipath fading environment and proposes DFRC waveform design schemes based on multiple-input and multiple-output…

Information Theory · Computer Science 2025-09-10 Tianchen Liu , Yifei Liu , Liang Wu , Bo An , Zaichen Zhang , Jian Dang , Jiangzhou Wang

This letter proposes an active reconfigurable intelligent surface (ARIS) assisted rate-splitting multiple access (RSMA) integrated sensing and communication (ISAC) system to overcome the fairness bottleneck in multi-target sensing under…

Signal Processing · Electrical Eng. & Systems 2026-02-13 Xin Jin , Tiejun Lv , Yashuai Cao , Jie Zeng , Mugen Peng

Integrated Sensing and Communication (ISAC) is emerging as a key enabler for 6G wireless networks, allowing the joint use of spectrum and infrastructure for both communication and sensing. While prior ISAC solutions have addressed resource…

Signal Processing · Electrical Eng. & Systems 2025-12-03 Mehdi Zafari , Rang Liu , A. Lee Swindlehurst

This paper presents a novel parametric scattering model (PSM) for sensing extended targets in integrated sensing and communication (ISAC) systems. The PSM addresses the limitations of traditional models by efficiently capturing the target's…

Signal Processing · Electrical Eng. & Systems 2024-11-04 Rang Liu , A. Lee Swindlehurst , Ming Li

This paper studies integrated sensing and communication (ISAC) technology in a full-duplex (FD) uplink communication system. As opposed to the half-duplex system, where sensing is conducted in a first-emit-then-listen manner, FD ISAC system…

Information Theory · Computer Science 2023-09-22 Yuan Guo , Yang Liu , Qingqing Wu , Xin Zeng , Qingjiang Shi

Pinching-antenna systems (PASs) have recently emerged as a flexible, cost-effective route to large-scale antenna deployments envisioned for integrated sensing and communications (ISAC). This paper establishes the fundamental sensing limits…

Signal Processing · Electrical Eng. & Systems 2025-05-05 Dimitrios Bozanis , Vasilis K. Papanikolaou , Sotiris A. Tegos , George K. Karagiannidis

Integrated sensing and communication (ISAC) is a promising technique to provide sensing services in future wireless networks. Numerous existing works have adopted a monostatic radar architecture to realize ISAC, i.e., employing the same…

Information Theory · Computer Science 2023-05-17 Dongfang Xu , Chang Liu , Shenghui Song , Derrick Wing Kwan Ng

Finite-aperture constraints render array design nontrivial and can undermine the effectiveness of classical sparse geometries. This letter provides universal guidance for fluid antenna array (FAA) design under a fixed aperture. We derive a…

Information Theory · Computer Science 2026-05-08 Zhentian Zhang , Kai-Kit Wong , Hao Jiang , Farshad Rostami Ghadi , Hyundong Shin , Yangyang Zhang

Integrating radio-sensing functionalities into future cell-free (CF) wireless networks promises efficient resource utilization and facilitates the seamless roll-out of applications such as public safety and smart infrastructure. While the…

Signal Processing · Electrical Eng. & Systems 2025-01-20 Leonardo Leyva , Daniel Castanheira , Adão Silva , Atílio Gameiro

This paper studies the performance trade-off in a multi-user backscatter communication (BackCom) system for integrated sensing and communications (ISAC), where the multi-antenna ISAC transmitter sends excitation signals to power multiple…

Information Theory · Computer Science 2024-06-04 Yuanming Tian , Dan Wang , Chuan Huang , Wei Zhang