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A non-orthogonal multiple access (NOMA) empowered integrated sensing and communication (ISAC) framework is investigated. A dual-functional base station serves multiple communication users employing NOMA, while the superimposed NOMA…

信息论 · 计算机科学 2022-01-06 Zhaolin Wang , Yuanwei Liu , Xidong Mu , Zhiguo Ding , Octavia A. Dobre

This paper studies a multi-antenna networked integrated sensing and communications (ISAC) system, in which a set of multi-antenna base stations (BSs) employ the coordinated transmit beamforming to serve multiple single-antenna communication…

信息论 · 计算机科学 2023-07-12 Gaoyuan Cheng , Yuan Fang , Jie Xu , Derrick Wing Kwan Ng

A joint design of both sensing and communication can lead to substantial enhancement for both subsystems in terms of size, cost as well as spectrum and hardware efficiency. In the last decade, integrated sensing and communications (ISAC)…

信号处理 · 电气工程与系统科学 2024-08-13 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil , Moeness G. Amin

In mobile systems with low-altitude vehicles, integrated sensing and communication (ISAC) is considered an effective approach to increase the transmission rate due to limited spectrum resources. To further improve the ISAC performance, this…

信号处理 · 电气工程与系统科学 2024-09-25 Yue Xiu , Songjie Yang , Wanting Lyu , Phee Lep Yeoh , Yonghui Li , Yi Ai

Integrated sensing and communication (ISAC) opens up new service possibilities for sixth-generation (6G) systems, where both communication and sensing (C&S) functionalities co-exist by sharing the same hardware platform and radio resource.…

信号处理 · 电气工程与系统科学 2024-07-16 Peng Wang , Dongsheng Han , Yashuai Cao , Wanli Ni , Dusit Niyato

Intelligent reflecting surface (IRS) has recently been identified as a prominent technology with the ability of enhancing wireless communication by dynamically manipulating the propagation environment. This paper investigates a…

信息论 · 计算机科学 2020-09-15 Yuwei Gao , Jindan Xu , Wei Xu , Derrick Wing Kwan Ng , Mohamed Slim Alouini

Integrated sensing and communications (ISAC) is envisioned as a key technology for future wireless communications. In this paper, we consider a downlink monostatic ISAC system wherein the base station serves multiple communications users…

信息论 · 计算机科学 2024-07-30 Tianyu Fang , Nhan Thanh Nguyen , Markku Juntti

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…

信号处理 · 电气工程与系统科学 2025-02-26 Ahmad Bazzi , Marwa Chafii

Integrated sensing and communication (ISAC) has been envisioned as a solution to realize the sensing capability required for emerging applications in wireless networks, while efficiently utilizing the available spectral, hardware and energy…

信号处理 · 电气工程与系统科学 2023-05-16 Ziang Liu , Sundar Aditya , Hongyu Li , Bruno Clerckx

Integrated sensing and communication (ISAC) in the near-field regime offers the potential to jointly support high-rate downlink transmission and high-resolution multi-target detection by exploiting the spherical-wave nature of…

信号处理 · 电气工程与系统科学 2025-06-10 Hang Ruan , Homa Nikbakht , Ruizhi Zhang , Honglei Chen , Yonina C. Eldar

This paper investigates the joint design of the beamforming scheme in intelligent reflecting surface (IRS) assisted multiuser (MU) multiple-input multiple-output (MIMO) downlink transmissions. Channel estimation errors associated with the…

信息论 · 计算机科学 2020-07-15 Piao Zeng , Deli Qiao , Haifeng Qian

Integrated sensing and communication (ISAC) is envisioned as a key technology in 6G networks, owing to its potential for high spectral and cost efficiency. As a promising solution for extremely large-scale arrays, reconfigurable holographic…

信息论 · 计算机科学 2025-09-11 Shuhao Zeng , Haobo Zhang , Boya Di , Hongliang Zhang , Zijian Shao , Zhu Han , H. Vincent Poor , Lingyang Song

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies capable of simultaneously improving communication and sensing services in future wireless networks. Moreover, the introduction of recently…

信息论 · 计算机科学 2026-05-19 Nemanja Stefan Perović , Keshav Singh , Chih-Peng Li , Mark F. Flanagan

Detecting weak targets is one of the main challenges for integrated sensing and communication (ISAC) systems. Sensing and communication suffer from a performance trade-off in ISAC systems. As the communication demand increases, sensing…

信号处理 · 电气工程与系统科学 2024-11-04 Zongyao Zhao , Zhenyu Liu , Rui Jiang , Zhongyi Li , Xiao-Ping Zhang , Xinke Tang , Yuhan Dong

Different from conventional radar, the cellular network in the integrated sensing and communication (ISAC) system enables collaborative sensing by multiple sensing nodes, e.g., base stations (BSs). However, existing works normally assume…

信号处理 · 电气工程与系统科学 2023-05-10 Yiming Xu , Dongfang Xu , Lei Xie , Shenghui Song

In this paper, we propose an integrated sensing and communication (ISAC) system enabled by movable antennas (MAs), which can dynamically adjust antenna positions to enhance both sensing and communication performance for future wireless…

信息论 · 计算机科学 2025-07-17 Lebin Chen , Ming-Min Zhao , Min-Jian Zhao , Rui Zhang

This paper studies an integrated sensing and communication (ISAC) system where a multi-antenna base station (BS) communicates with multiple single-antenna users in the downlink and senses the unknown and random angle information of a target…

信息论 · 计算机科学 2026-04-27 Chan Xu , Shuowen Zhang

Integrated Sensing and Communication (ISAC) emerges as a promising technology for B5G/6G, particularly in the millimeter-wave (mmWave) band. However, the widespread adoption of hybrid architecture in mmWave systems compromises multiplexing…

信号处理 · 电气工程与系统科学 2024-03-18 Boxun Liu , Shijian Gao , Zonghui Yang , Xiang Cheng

Beamforming design is critical for the efficient operation of integrated sensing and communication (ISAC) MIMO systems. ISAC beamforming design in cell-free massive MIMO systems, compared to colocated MIMO systems, is more challenging due…

信息论 · 计算机科学 2024-09-30 Umut Demirhan , Ahmed Alkhateeb

In this paper, we study a multi-input multi-output (MIMO) beamforming design in an integrated sensing and communication (ISAC) system, in which an ISAC base station (BS) is used to communicate with multiple downlink users and simultaneously…

信息论 · 计算机科学 2024-07-08 Chao Hu , Yuan Fang , Ling Qiu