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Integrated sensing and communication (ISAC) is a promising technology to fully utilize the precious spectrum and hardware in wireless systems, which has attracted significant attentions recently. This paper studies ISAC for the important…

信号处理 · 电气工程与系统科学 2021-08-17 Zhiqiang Xiao , Yong Zeng

In this paper, we propose a novel joint source-channel coding (JSCC) approach for channel-adaptive digital semantic communications. In semantic communication systems with digital modulation and demodulation, robust design of JSCC encoder…

信号处理 · 电气工程与系统科学 2024-03-19 Joohyuk Park , Yongjeong Oh , Seonjung Kim , Yo-Seb Jeon

Mobile network is evolving from a communication-only network towards one with joint communication and radar/radio sensing (JCAS) capabilities, that we call perceptive mobile network (PMN). In PMNs, JCAS integrates sensing into…

信号处理 · 电气工程与系统科学 2021-10-22 J. Andrew Zhang , Md Lushanur Rahman , Kai Wu , Xiaojing Huang , Y. Jay Guo , Shanzhi Chen , Jinhong Yuan

Recent studies in joint source-channel coding (JSCC) have fostered a fresh paradigm in end-to-end semantic communication. Despite notable performance achievements, present initiatives in building semantic communication systems primarily…

信号处理 · 电气工程与系统科学 2024-12-20 Guangyi Zhang , Pujing Yang , Yunlong Cai , Qiyu Hu , Guanding Yu

This letter investigates the joint sensing problem between unmanned aerial vehicles (UAV) and base stations (BS) in integrated sensing and communication (ISAC) systems with fluid antennas (FA). In this system, the BS enhances its sensing…

信号处理 · 电气工程与系统科学 2025-10-10 Xingtao Yang , Zhenghe Guo , Siyun Liang , Zhaohui Yang , Chen Zhu , Zhaoyang Zhang

In this paper, we investigate the design of energy-efficient beamforming for an ISAC system, where the transmitted waveform is optimized for joint multi-user communication and target estimation simultaneously. We aim to maximize the system…

信号处理 · 电气工程与系统科学 2023-07-11 Jiaqi Zou , Songlin Sun , Christos Masouros , Yuanhao Cui , Yafeng Liu , Derrick Wing Kwan Ng

Deep learning enabled semantic communications are attracting extensive attention. However, most works normally ignore the data acquisition process and suffer from robustness issues under dynamic channel environment. In this paper, we…

图像与视频处理 · 电气工程与系统科学 2025-02-12 Zhiyuan Qi , Yulong Feng , Zhijin Qin

Thanks to the line-of-sight (LoS) transmission and flexibility, unmanned aerial vehicles (UAVs) effectively improve the throughput of wireless networks. Nevertheless, the LoS links are prone to severe deterioration by complex propagation…

信息论 · 计算机科学 2019-12-10 Sixian Li , Bin Duo , Xiaojun Yuan , Ying-Chang Liang , Marco Di Renzo

This paper investigates the passive detection problem in multi-static integrated sensing and communication (ISAC) systems, where multiple sensing receivers (SRs) jointly detect a target using random unknown communication signals transmitted…

信息论 · 计算机科学 2025-06-10 Renjie He , Yiqiu Wang , Meixia Tao , Shu Sun

In this letter, we study the parameter estimation performance for monostatic downlink integrated sensing and communications (ISAC) systems. In particular, we analyze the mean squared error (MSE) lower bound for target sensing in the…

信息论 · 计算机科学 2022-03-15 Yuanhao Cui , Fan Liu , Weijie Yuan , Junsheng Mu , Xiaojun Jing , Derrick Wing Kwan Ng

In this letter, we propose an airborne maneuverable bi-static integrated sensing and communication system where both the transmitter and receiver are unmanned aerial vehicles. By timely forming a dynamic bi-static range based on the motion…

信号处理 · 电气工程与系统科学 2024-10-07 Mingliang Wei , Ruoguang Li , Li Wang , Lianming Xu , Zhu Han

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…

信息论 · 计算机科学 2025-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu

We study the problem of joint communication and sensing for data transmission systems using optimal quantum instruments in order to transmit data and, at the same time, estimate environmental parameters. In particular we consider the…

量子物理 · 物理学 2024-11-19 Pere Munar-Vallespir , Janis Nötzel

In this paper, we consider the physical layer security (PLS) problem for integrated sensing and communication (ISAC) systems in the presence of hybrid-colluding eavesdroppers, where an active eavesdropper (AE) and a passive eavesdropper…

系统与控制 · 电气工程与系统科学 2025-02-10 Meiding Liu , Zhengchun Zhou , Qiao Shi , Guyue Li , Zilong Liu , Pingzhi Fan , Inkyu Lee

In the paper, the physical-layer security for reconfigurable intelligent surface (RIS) aided integrated sensing and communication (ISAC) system is studied. There is an active eavesdropper (AE) as well as a passive eavesdropper (PE), and…

信息论 · 计算机科学 2026-05-11 Yueyi Dong , Tian Zhang

In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output communication system with multiple antennas at both the base station (BS) and the user. We plan to maximize the achievable rate…

信息论 · 计算机科学 2024-05-28 Yaqiong Zhao , Jindan Xu , Wei Xu , Kezhi Wang , Xinquan Ye , Chau Yuen , Xiaohu You

This paper studies a secrecy integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) aims to send confidential messages to a single-antenna communication user (CU), and at the same time sense several…

信息论 · 计算机科学 2021-10-26 Zixiang Ren , Ling Qiu , Jie Xu

Collaborative perception among multiple connected and autonomous vehicles can greatly enhance perceptive capabilities by allowing vehicles to exchange supplementary information via communications. Despite advances in previous approaches,…

人工智能 · 计算机科学 2024-11-25 Senkang Hu , Zhengru Fang , Haonan An , Guowen Xu , Yuan Zhou , Xianhao Chen , Yuguang Fang

We investigate the impact of higher-order modulation formats on the sensing performance of single-carrier joint communication and sensing (JCAS) systems. Several separate components such as a beamformer, a modulator, a target detector, an…

信号处理 · 电气工程与系统科学 2025-10-01 Charlotte Muth , Benedikt Geiger , Daniel Gil Gaviria , Laurent Schmalen

This article seeks to advance coded compressed sensing (CCS) as a practical scheme for unsourced random access. The original CCS algorithm features a concatenated structure where an inner code is tasked with support recovery, and an outer…