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We consider a bistatic vehicular integrated sensing and communications (ISAC) system that employs the recently proposed orthogonal chirp division multiplexing (OCDM) multicarrier waveform. As a stand-alone communications waveform, OCDM has…

信息论 · 计算机科学 2021-11-10 Sangeeta Bhattacharjee , Kumar Vijay Mishra , Ramesh Annavajjala , Chandra R. Murthy

In this work, we consider a cell-free massive multiple-input multiple-output (MIMO) integarted sensing and communications (ISAC) system with maximum-ratio transmission schemes combined with multistatic radar-type sensing. Our focus lies on…

信号处理 · 电气工程与系统科学 2024-11-12 Nhan Thanh Nguyen , Tianyu Fang , Hien Quoc Ngo , Markku Juntti

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

信号处理 · 电气工程与系统科学 2021-12-21 Yu Cao , QiYue Yu

This paper studies the transmit beamforming in a downlink integrated sensing and communication (ISAC) system, where a base station (BS) equipped with a uniform linear array (ULA) sends combined information-bearing and dedicated radar…

信息论 · 计算机科学 2023-03-28 Haocheng Hua , Jie Xu , Tony Xiao Han

Integrated sensing and communication (ISAC) is crucial for low-altitude wireless networks (LAWNs), where the safety-critical demand for high-accuracy sensing creates a trade-off between precision and complexity for conventional methods. To…

信号处理 · 电气工程与系统科学 2025-11-24 Keying Zhu , Xingyu Zhou , Jie Yang , Le Liang , Shi Jin

In this letter, we investigate the robust beamforming design for an integrated sensing and communication (ISAC) system featuring low-resolution digital-to-analog converters (DACs) and analog-to-digital converters (ADCs). Taking into account…

信号处理 · 电气工程与系统科学 2025-07-22 Tiantian Xu , Zhenyao He , Jindan Xu , Wei Xu , Jianfeng Wang , Derrick Wing Kwan Ng

The Terahertz band holds a promise to enable both super-accurate sensing and ultra-fast communication. However, challenges arise that severe Doppler effects call for a waveform with high Doppler robustness while severe propagation path loss…

信号处理 · 电气工程与系统科学 2025-02-26 Meilin Li , Chong Han , Shi Jin

Extended ambiguity performance (EAP), which includes all grating lobes and side peaks, indicates the maximum detectable region without undesired peaks for target parameter estimation and is critical to radar sensor design. Driven by EAP…

信号处理 · 电气工程与系统科学 2024-11-14 Rui Zhang , Shawn Tsai , Tzu-Han Chou , Jiaying Ren , Wenze Qu , Oliver Sun

Next-generation wireless networks are expected to develop a novel paradigm of integrated sensing and communications (ISAC) to enable both the high-accuracy sensing and high-speed communications. However, conventional mono-static ISAC…

信号处理 · 电气工程与系统科学 2024-10-24 Dan Wang , Yuanming Tian , Chuan Huang , Hao Chen , Xiaodong Xu , Ping Zhang

Multiband sensing is a promising technology that utilizes multiple non-contiguous frequency bands to achieve high-resolution target sensing. In this paper, we investigate the fundamental limits and optimization of multiband sensing,…

信号处理 · 电气工程与系统科学 2023-02-01 Yubo Wan , An Liu , Rui Du , Tony Xiao Han

Orthogonal time frequency space (OTFS) is a promising alternative to orthogonal frequency division multiplexing (OFDM) for high-mobility communications. We propose a novel multiple-input multiple-output (MIMO) integrated sensing and…

信号处理 · 电气工程与系统科学 2023-06-13 Musa Furkan Keskin , Carina Marcus , Olof Eriksson , Alex Alvarado , Joerg Widmer , Henk Wymeersch

We establish area theorems for iterative detection over coded linear systems (including multiple-input multipleoutput (MIMO) channels, inter-symbol-interference (ISI) channels, and orthogonal frequency-division multiplexing (OFDM) systems).…

信息论 · 计算机科学 2012-08-24 Xiaojun Yuan , Li Ping , Chongbin Xu , Aleksandar Kavcic

The sixth-generation (6G) wireless networks promises the integration of radar-like sensing capabilities into communication infrastructure. In this paper, we investigate a multi-static sensing framework where half-duplex base stations (BSs)…

信号处理 · 电气工程与系统科学 2025-12-17 Navid Amani , Priyanka Maity , Musa Furkan Keskin , Henk Wymeersch

In this paper, we explore an integrated sensing and communication (ISAC) system with backscattering RFID tags. In this setup, an access point employs a communication beam to serve a user while leveraging a sensing beam to detect an RFID…

信号处理 · 电气工程与系统科学 2024-02-02 Hao Luo , Umut Demirhan , Ahmed Alkhateeb

In this paper, we formalize an optimization framework for analog beamforming in the context of monostatic integrated sensing and communication (ISAC), where we also address the problem of self-interference in the analog domain. As a result,…

信号处理 · 电气工程与系统科学 2024-04-16 Rodrigo Hernangómez , Jochen Fink , Renato L. G. Cavalcante , Zoran Utkovski , Sławomir Stańczak

The idea of Integrated Sensing and Communication (ISAC) offers a promising solution to the problem of spectrum congestion in future wireless networks. This paper studies the integration of intelligent reflective surfaces (IRS) with ISAC…

信号处理 · 电气工程与系统科学 2023-09-06 Mahmoud AlaaEldin , Emad Alsusa , Karim G. Seddik , Christos Masouros , Iman Valiulahi

Integrated sensing and communications (ISAC) promises new use cases for mobile communication systems by reusing the communication signal for radar-like sensing. However, sensing and communications (S&C) impose conflicting requirements on…

信号处理 · 电气工程与系统科学 2026-02-23 Benedikt Geiger , Fan Liu , Shihang Lu , Andrej Rode , Daniel Gil Gaviria , Charlotte Muth , Laurent Schmalen

This paper optimizes the beamforming design of a downlink multiple-input multiple-output (MIMO) dual-function radar-communication (DFRC) system to maximize the weighted communication sum-rate under a prescribed transmit covariance…

信号处理 · 电气工程与系统科学 2023-09-18 Chenhao Yang , Xin Wang , Wei Ni , Yi Jiang

Integrated sensing and communication (ISAC) networks are investigated with the objective of effectively balancing the sensing and communication (S&C) performance at the network level. Through the simultaneous utilization of multi-point…

信息论 · 计算机科学 2024-06-12 Kaitao Meng , Christos Masouros , Athina P. Petropulu , Lajos Hanzo

Orthogonal time frequency space (OTFS) modulation is anticipated to be a promising candidate for supporting integrated sensing and communications (ISAC) systems, which is considered as a pivotal technique for realizing next generation…

信号处理 · 电气工程与系统科学 2024-10-22 Jun Wu , Weijie Yuan , Zhiqiang Wei , Kecheng Zhang , Fan Liu , Derrick Wing Kwan Ng
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