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Integrated sensing and communication (ISAC) systems have emerged as a promising solution to improve spectrum efficiency and enable functional convergence. However, ensuring secure information transmission while maintaining high-quality…

Signal Processing · Electrical Eng. & Systems 2025-12-12 Yufei Wang , Qiang Li , Hongli Liu , Ying Zhang , Jingran Lin

We propose a novel pilot-free multi-user uplink framework for integrated sensing and communication (ISAC) in mm-wave networks, where single-antenna users transmit orthogonal frequency division multiplexing signals without dedicated pilots.…

Signal Processing · Electrical Eng. & Systems 2025-05-05 Sajad Daei , Gabor Fodor , Mikael Skoglund

In both academia and industry, multi-user multiple-input multiple-output (MU-MIMO) techniques have shown enormous gains in spectral efficiency by exploiting spatial degrees of freedom. So far, an underlying assumption in most of the…

Signal Processing · Electrical Eng. & Systems 2021-06-18 Minsu Kim , Jeonghun Park , Jemin Lee

Massive multi-user (MU) multiple-input multiple- output (MIMO) is widely believed to be a core technology for the upcoming fifth-generation (5G) wireless communication standards. The use of low-precision digital-to-analog converters (DACs)…

Information Theory · Computer Science 2016-12-09 Sven Jacobsson , Giuseppe Durisi , Mikael Coldrey , Tom Goldstein , Christoph Studer

This paper studies integrated sensing and communication (ISAC) with dynamic time division duplex (DTDD) cell-free (CF) massive multiple-input multiple-output~(mMIMO) systems. DTDD enables the CF mMIMO system to concurrently serve both…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Anubhab Chowdhury , Sai Subramanyam Thoota , Erik G. Larsson

A multi-static sensing-centric integrated sensing and communication (ISAC) network can take advantage of the cell-free massive multiple-input multiple-output infrastructure to achieve remarkable diversity gains and reduced power…

Signal Processing · Electrical Eng. & Systems 2023-10-04 Isabella W. G. da Silva , Diana P. M. Osorio , Markku Juntti

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…

Information Theory · Computer Science 2023-02-21 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

Hybrid analog-digital precoding significantly reduces the hardware costs in massive MIMO transceivers when compared to fully-digital precoding at the expense of increased transmit power. In order to mitigate the above shortfall, we use the…

Signal Processing · Electrical Eng. & Systems 2019-07-24 Ganapati Hegde , Christos Masouros , Marius Pesavento

Emerging applications such as autonomous driving and Internet of things (IoT) services put forward the demand for simutaneous sensing and communication functions in the same system. Integrated sensing and communication (ISAC) has the…

Networking and Internet Architecture · Computer Science 2024-03-26 Yangyang Niu , Zhiqing Wei , Lin Wang , Huici Wu , Zhiyong Feng

In this paper, we investigate a bistatic multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system over block-fading channels, focusing on the scenario where the sensing and communication receivers (Rxs) are…

Information Theory · Computer Science 2026-05-18 Dongsheng Peng , Chengkai Zhao , Yihong Li , Zhiqing Wei , Jun Chen , Ping Chen

In this letter, a weighted minimum mean square error (WMMSE) empowered integrated sensing and communication (ISAC) system is investigated. One transmitting base station and one receiving wireless access point are considered to serve…

Signal Processing · Electrical Eng. & Systems 2024-01-22 Yizhou Peng , Songjie Yang , Wanting Lyu , Ya Li , Hongjun He , Zhongpei Zhang , Chadi Assi

Massive multi-user multiple-input multiple-output (MU-MIMO) enables significant gains in spectral efficiency and link reliability compared to conventional small-scale MIMO technology. Furthermore, linear precoders, e.g., using zero forcing…

Information Theory · Computer Science 2018-05-01 Kaipeng Li , Charles Jeon , Joseph R. Cavallaro , Christoph Studer

A non-orthogonal multiple access (NOMA)-inspired integrated sensing and communication (ISAC) framework is proposed, where a dual-functional base station (BS) transmits the composite communication and sensing signals. In contrast to treating…

Information Theory · Computer Science 2022-08-02 Zhaolin Wang , Xidong Mu , Yuanwei Liu , Zhiguo Ding

In this paper, we investigate the performance of an integrated sensing and communication (ISAC) system within a cell-free massive multiple-input multiple-output (MIMO) system. Each access point (AP) operates in the millimeter-wave (mmWave)…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Steven Rivetti , Ozlem Tugfe Demir , Emil Bjornson , Mikael Skoglund

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…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Peng Liu , Zesong Fei , Xinyi Wang , Xiaoyang Li , Weijie Yuan , Yuanhao Li , Cheng Hu , Dusit Niyato

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

In this paper, we combine the network-assisted full-duplex (NAFD) technology and distributed radar sensing to implement integrated sensing and communication (ISAC). The ISAC system features both uplink and downlink remote radio units (RRUs)…

Information Theory · Computer Science 2023-11-14 Fan Zeng , Jingxuan Yu , Jiamin Li , Feiyang Liu , Dongming Wang , Xiaohu You

This paper investigates multi-target detection in an integrated sensing and communication (ISAC) system within a cell-free massive MIMO (CF-mMIMO) framework. We adopt a user-centric approach for communication user equipments (UEs) and a…

Signal Processing · Electrical Eng. & Systems 2025-07-24 Zinat Behdad , Ozlem Tugfe Demir , Ki Won Sung , Cicek Cavdar

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

This paper studies the design of a decentralized multiuser multi-antenna (MIMO) system for spectrum sharing over a fixed narrow band, where the coexisting users independently update their transmit covariance matrices for individual…

Information Theory · Computer Science 2009-05-22 Rui Zhang , John M. Cioffi