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The sixth generation (6G) systems will likely employ orthogonal frequency division multiplexing (OFDM) waveform for performing the joint task of sensing and communication. In this paper, we design an OFDM system for integrated sensing and…

信息论 · 计算机科学 2025-09-30 Vijaya Yajnanarayana , Philipp Geuer

In orthogonal frequency-division multiplexing-based radar and integrated sensing and communication systems, the sensing range is traditionally limited by the round-trip time corresponding to the cyclic prefix duration. Targets whose echoes…

Integrated sensing and communication (ISAC) technology is essential for supporting vehicular networks. However, the communication channel in this scenario exhibits time variations, and the potential targets may move rapidly, resulting in…

信号处理 · 电气工程与系统科学 2024-08-26 Zonghui Yang , Shijian Gao , Xiang Cheng

This article comprehensively reviews recent developments and research on deep learning-based (DL-based) techniques for integrated sensing and communication (ISAC) systems. ISAC, which combines sensing and communication functionalities, is…

信号处理 · 电气工程与系统科学 2025-09-10 Murat Temiz , Yongwei Zhang , Yanwei Fu , Chi Zhang , Chenfeng Meng , Orhan Kaplan , Christos Masouros

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

Orthogonal frequency division multiplexing - integrated sensing and communication (OFDM-ISAC) has emerged as a key enabler for future wireless networks, leveraging the widely adopted OFDM waveform to seamlessly integrate wireless…

信号处理 · 电气工程与系统科学 2025-04-10 Peishi Li , Ming Li , Rang Liu , Qian Liu , A. Lee Swindlehurst

Integrated sensing and communication (ISAC) can substantially improve spectral, hardware, and energy efficiency by unifying radar sensing and data communications. In wideband and scattering-rich environments, clutter often dominates weak…

信号处理 · 电气工程与系统科学 2026-03-19 Rang Liu , Peishi Li , Ming Li , A. Lee Swindlehurst

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

Discrete affine Fourier transform spread affine frequency division multiplexing (DAFT-s-AFDM) is a promising waveform for integrated sensing and communication (ISAC) due to its low peak-to-average power ratio, robustness to Doppler shifts,…

信号处理 · 电气工程与系统科学 2026-05-20 Shiqi Cui , Tianqi Mao , Fan Zhang , Zeping Sui , Christos Masouros , Zhaocheng Wang

Low-Earth-orbit (LEO) inter-satellite links must cope with strongly doubly selective channels and aged channel state information (CSI). In this paper, the term ``sensing'' refers to the receiver-side identifiability of a small set of…

信号处理 · 电气工程与系统科学 2026-01-06 Houtianfu Wang , Ozgur Akan

This research presents a novel framework integrating Flexible-Duplex (FlexD) and Integrated Sensing and Communications (ISAC) technologies to address the challenges of spectrum efficiency and resource optimization in next-generation…

信号处理 · 电气工程与系统科学 2025-04-08 Tharaka Perera , Saman Atapattu , Chathuranga Weeraddana , Jamie Evans

Bi-static sensing is crucial for exploring the potential of networked sensing capabilities in integrated sensing and communications (ISAC). However, it suffers from the challenging clock asynchronism issue. CSI ratio-based sensing is an…

信息论 · 计算机科学 2024-01-18 Yanmo Hu , Kai Wu , J. Andrew Zhang , Weibo Deng , Y. Jay Guo

Integrated sensing and communication (ISAC) is a pivotal enabler for next-generation wireless networks. A key challenge in ISAC systems lies in designing dual-functional waveforms that can achieve satisfactory radar sensing accuracy by…

信号处理 · 电气工程与系统科学 2025-03-18 Peishi Li , Ming Li , Rang Liu , Qian Liu , A. Lee Swindlehurst

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

信息论 · 计算机科学 2024-04-10 Mamady Delamou , El Mehdi Amhoud

In this letter, we study interleave frequency division multiplexing (IFDM) for multicarrier modulation in static multipath and mobile time-varying channels, which outperforms orthogonal frequency division multiplexing (OFDM), orthogonal…

信息论 · 计算机科学 2024-05-07 Yuhao Chi , Lei Liu , Yao Ge , Xuehui Chen , Ying Li , Zhaoyang Zhang

Integrated sensing and communication (ISAC) is emerging as a key technique for next-generation wireless systems. In order to expedite the practical implementation of ISAC in pervasive mobile networks, it is crucial to have widely deployed…

信号处理 · 电气工程与系统科学 2024-07-18 Zichao Xiao , Rang Liu , Ming Li , Qian Liu , A. Lee Swindlehurst

Integrated sensing and communications (ISAC) is a critical enabler for emerging 6G applications, and at its core lies in the dual-functional waveform design. While orthogonal frequency division multiplexing (OFDM) has been a popular basic…

信号处理 · 电气工程与系统科学 2024-03-21 Zonghui Yang , Shijian Gao , Xiang Cheng , Liuqing Yang

Integrated sensing and communication (ISAC) is a key enabler of 6G. Unlike communication radio links, the sensing signal requires to experience round trips from many scatters. Therefore, sensing is more power-sensitive and faces a severer…

信号处理 · 电气工程与系统科学 2024-12-02 Yihua Ma , Zhifeng Yuan , Shuqiang Xia , Chen Bai , Zhongbin Wang , Yuxin Wang

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

This paper proposes an interleaved transceiver design method for a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system utilizing orthogonal frequency division multiplexing (OFDM) waveforms. We consider a…

信号处理 · 电气工程与系统科学 2025-08-15 Yating Chen , Cai Wen , Yan Huang , Jinye Peng , Wei Hong , Timothy N. Davidson