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Integrated sensing and communication (ISAC) has emerged as a key paradigm for next-generation wireless systems, which allows wireless resources to be used for data transmission and target sensing simultaneously. In this paper, multi-user…

信号处理 · 电气工程与系统科学 2026-03-19 Ling He , Vaibhav Kumar , Roberto Bomfin , Yingyang Chen , Miaowen Wen , Marwa Chafii

Beamforming design has been widely investigated for integrated sensing and communication (ISAC) systems with full-duplex (FD) sensing and half-duplex (HD) communication. To achieve higher spectral efficiency, in this paper, we extend…

信息论 · 计算机科学 2023-02-21 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

This paper introduces a novel framework for high-accuracy outdoor user equipment (UE) positioning that applies a conditional generative diffusion model directly to high-dimensional massive MIMO channel state information (CSI). Traditional…

网络与互联网体系结构 · 计算机科学 2025-10-17 Taekyun Lee , Tommaso Balercia , Heasung Kim , Hyeji Kim , Jeffrey G. Andrews

Integrated sensing and communication (ISAC) is a key enabler for future radio networks. This paper presents a sub-band full-duplex (SBFD) ISAC system that assigns non-overlapping OFDM subbands to sensing and communication, enabling…

信号处理 · 电气工程与系统科学 2026-02-03 Bixing Yan , Kwadwo Mensah Obeng Afrane , Achiel Colpaert , Andre Kokkeler , Sofie Pollin , Yang Miao

Multi-band sensing has emerged as a key enabler of integrated sensing and communication (ISAC), one of the six primary usage scenarios defined for IMT-2030 (6G). The introduction of frequency range 3 (FR3, 7-24 GHz), comprising…

信号处理 · 电气工程与系统科学 2026-03-02 Dexin Wang , Roberto Bomfin , Ahmad Bazzi , Marwa Chafii

The combination of Integrated Sensing and Communication (ISAC) and Mobile Edge Computing (MEC) enables devices to simultaneously sense the environment and offload data to the base stations (BS) for intelligent processing, thereby reducing…

信号处理 · 电气工程与系统科学 2025-05-01 Peng Liu , Zesong Fei , Xinyi Wang , Xiaoyang Li , Weijie Yuan , Yuanhao Li , Cheng Hu , Dusit Niyato

Integrated sensing and communications (ISAC) has emerged as an intrinsic service of upcoming 6G wireless systems, enabling the reuse of communication signals for environmental sensing and supporting context-aware network functionalities.…

信号处理 · 电气工程与系统科学 2026-04-13 Osmel Martínez Rosabal , Onel L. Alcaraz López

In this paper, we consider a distributed joint sensing and communication (DJSC) system in which multiple radar sensors are deployed. Each sensor is equipped with a sensing function and a communication function, and thus it is a JSC node.…

网络与互联网体系结构 · 计算机科学 2021-11-09 Trung Thanh Nguyen , Khaled Elbassioni , Nguyen Cong Luong , Dusit Niyato , Dong In Kim

Positioning is expected to be a core function in intelligent transportation systems (ITSs) to support communication and location-based services, such as autonomous driving, traffic control, etc. With the advent of low-cost reflective…

信号处理 · 电气工程与系统科学 2023-11-15 Hui Chen , Pinjun Zheng , Musa Furkan Keskin , Tareq Al-Naffouri , Henk Wymeersch

This letter studies an uplink integrated sensing and communication (ISAC) system using discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM) transmission. We try to answer the following fundamental…

信息论 · 计算机科学 2024-12-31 Zhiqiang Xiao , Zhiwen Zhou , Qianglong Dai , Yong Zeng , Fei Yang , Yan Chen

This letter analyzes the performance of uplink integrated sensing and communications (ISAC) systems where communication users (CUs) and radar targets (RTs) share the same frequency band. A non-orthogonal multiple access (NOMA) protocol is…

信息论 · 计算机科学 2022-05-30 Chongjun Ouyang , Yuanwei Liu , Hongwen Yang

Mobile edge computing (MEC) is powerful to alleviate the heavy computing tasks in integrated sensing and communication (ISAC) systems. In this paper, we investigate joint beamforming and offloading design in a three-tier integrated sensing,…

信息论 · 计算机科学 2024-01-29 Peng Liu , Zesong Fei , Xinyi Wang , Yiqing Zhou , Yan Zhang , Fan Liu

Next-generation wireless networks aim to deliver data speeds much faster than 5G. This requires base stations with lots of antennas and a large operating bandwidth. These advanced base stations are expected to serve several multiantenna…

信息论 · 计算机科学 2024-10-23 K. Pavan Srinath , Alix Jeannerot , Alvaro Valcarce Rial

Reconfigurable intelligent surface (RIS)-assisted cell-free (CF) multiple-input multiple-output (MIMO) networks can significantly enhance system performance. However, the extensive deployment of RIS elements imposes considerable channel…

信号处理 · 电气工程与系统科学 2025-06-30 Hongqin Ke , Jindan Xu , Wei Xu , Chau Yuen , Zhaohua Lu

To address the complex beam control in traditional multiple-input multiple-output (MIMO) systems, researchers have proposed adaptive beam alignment using retro-directive antenna (RDA) arrays. This approach creates echo resonance between the…

信号处理 · 电气工程与系统科学 2025-06-06 Yixuan Guo , Shuaifan Xia , Mingliang Xiong , Qingwen Liu , Wen Fang , Qingwei Jiang , Gang Yan , Jiangchuan Mu

Deep learning (DL) methods have been recently proposed for user equipment (UE) localization in wireless communication networks, based on the channel state information (CSI) between a UE and each base station (BS) in the uplink. With the CSI…

We study a full-duplex (FD) cell-free massive MIMO system where distributed access points (APs) operate in FD mode while user equipments (UEs) remain half-duplex. Although simultaneous uplink (UL) and downlink (DL) transmissions improve…

信号处理 · 电气工程与系统科学 2026-05-11 Bikshapathi Gouda , Antti Tölli

This paper proposes an unmanned aerial vehicle (UAV)-based distributed sensing framework that uses frequency-division multiplexing (OFDM) waveforms to detect the position of a ground target under half-duplex operation. The area of interest,…

信号处理 · 电气工程与系统科学 2023-02-22 Xavier A. Flores Cabezas , Diana P. Moya Osorio , Markku Juntti

This letter studies the problem of jointly detecting active user equipments (UEs) and estimating their location in the near field, wherein the base station (BS) is unaware of the number of active (or inactive) UEs and their positions. The…

信号处理 · 电气工程与系统科学 2024-10-10 Georgios Mylonopoulos , Behrooz Makki , Stefano Buzzi , Gábor Fodor

Uplink sensing in integrated sensing and communications (ISAC) systems, such as Perceptive Mobile Networks, is challenging due to the clock asynchronism between transmitter and receiver. Existing solutions typically require the presence of…

信号处理 · 电气工程与系统科学 2024-01-18 Yanmo Hu , J. Andrew Zhang , Weibo Deng , Y. Jay Guo