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Integrated sensing and communications (ISAC) is regarded as a key technology in next-generation (6G) mobile communication systems. Affine frequency division multiplexing (AFDM) is a recently proposed waveform that achieves optimal diversity…

信息论 · 计算机科学 2024-02-27 Ali Bemani , Nassar Ksairi , Marios Kountouris

In this paper, we propose a novel integrated sensing and communication (ISAC) transmission framework based on the spatially-spread orthogonal time frequency space (SS-OTFS) modulation by considering the fact that communication channel…

信息论 · 计算机科学 2021-09-02 Shuangyang Li , Weijie Yuan , Chang Liu , Zhiqiang Wei , Jinhong Yuan , Baoming Bai , Derrick Wing Kwan Ng

This paper aims to answer a fundamental question in the area of Integrated Sensing and Communications (ISAC): What is the optimal communication-centric ISAC waveform for ranging? Towards that end, we first established a generic framework to…

信息论 · 计算机科学 2025-07-22 Fan Liu , Ying Zhang , Yifeng Xiong , Shuangyang Li , Weijie Yuan , Feifei Gao , Shi Jin , Giuseppe Caire

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 2023-04-20 Zhenyao He , Wei Xu , Hong Shen , Derrick Wing Kwan Ng , Yonina C. Eldar , Xiaohu You

Integrated sensing and communications (ISAC) as one of the key technologies is capable of supporting high-speed communication and high-precision sensing for the upcoming 6G. This paper studies a waveform strategy by designing the orthogonal…

信号处理 · 电气工程与系统科学 2024-11-13 Ming Lyu , Hao Chen , Dan Wang , Guangyin Feng , Chen Qiu , Xiaodong Xu

Orthogonal frequency division multiplexing (OFDM)-based integrated sensing and communication (ISAC) is promising for future sixth-generation mobile communication systems. Existing works focus on the joint estimation of the targets' range…

信号处理 · 电气工程与系统科学 2023-12-21 Zelin Hu , Qibin Ye , Yixuan Huang , Su Hu , Gang Yang

This paper proposes an $\alpha$-fair multistatic integrated sensing and communication (ISAC) framework for multi-user multi-input multi-output (MIMO)-orthogonal frequency division multiplexing (OFDM) systems, where communication users act…

信息论 · 计算机科学 2026-04-01 Hyeonho Noh , Jonggyu Jang

Integrated sensing and communication (ISAC) will greatly enhance the efficiency of physical resource utilization. The design of ISAC signal based on the orthogonal frequency division multiplex (OFDM) signal is the mainstream. However, when…

信号处理 · 电气工程与系统科学 2023-07-14 Lin Wang , Zhiqing Wei , Liyan Su , Zhiyong Feng , Huici Wu , Dongsheng Xue

Integrated sensing and communications (ISAC) is considered an innovative technology in sixth-generation (6G) wireless networks, where utilizing orthogonal frequency division multiplexing (OFDM) communication signals for sensing provides a…

信号处理 · 电气工程与系统科学 2025-10-15 Zhen Du , Jingjing Xu , Yifeng Xiong , Jie Wang , Musa Furkan Keskin , Henk Wymeersch , Fan Liu , Shi Jin

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

The in-band Full Duplex (FD) technology is lately gaining attention as an enabler for the emerging paradigm of Integrated Sensing and Communications (ISAC), which envisions seamless integration of sensing mechanisms for unconnected entities…

信息论 · 计算机科学 2025-07-18 George C. Alexandropoulos , Ioannis Gavras

This paper investigates a novel underlaid sensing pilot signal design for integrated sensing and communications (ISAC) in an OFDM-based communication system. The proposed two-dimensional (2D) pilot signal is first generated on the…

信息论 · 计算机科学 2023-07-25 Pu Yuan , Hao Liu , Junjie Tan , Dajie Jiang , Lei Yan

A novel Integrated Sensing-Communication (ISAC) system is proposed that can accommodate high mobility scenarios while making efficient use of bandwidth for both communication and sensing. The system comprises a monostatic multiple-input…

信号处理 · 电气工程与系统科学 2026-03-31 Kailong Wang , Athina Petropulu

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 paper, we investigate a distributed multi-input multi-output and orthogonal frequency division multiplexing (MIMO-OFDM) dual-function radar-communication (DFRC) system, which enables simultaneous communication and sensing in…

信号处理 · 电气工程与系统科学 2025-03-17 Chen Zhong , Xufeng Zhou , Lan Tang , Mengting Lou

The orthogonal time frequency space (OTFS) modulation as a promising signal representation attracts growingcinterest for integrated sensing and communication (ISAC), yet its merits over orthogonal frequency division multiplexing (OFDM)…

信号处理 · 电气工程与系统科学 2023-04-28 Bowen Wang , Jianchi Zhu , Xiaoming She , Peng Chen

Integrated sensing and communication (ISAC) unifies radar sensing and communication, and improves the efficiency of the spectrum, energy and hardware. In this paper, we investigate the ISAC beamforming design in a downlink system with a…

信号处理 · 电气工程与系统科学 2022-11-09 Jin Li , Nan Liu

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) holds great promise in expanding the applications of wireless communication networks. However, in current communication-centric systems, the time-frequency resources available for sensing may be…

信号处理 · 电气工程与系统科学 2026-04-30 Wenjie Zhang , Qianglong Dai , Xiaoli Xu , Ruoguang Li , Yong Zeng

In this paper, we present an experimental setup to evaluate the performance of a radio frequency identification (RFID)-based integrated sensing and communication (ISAC) system. We focus on both the communication and sensing capabilities of…

信号处理 · 电气工程与系统科学 2025-03-04 Yu Zhang , Xiaoyu Shi , Tongyang Xu