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Integrated sensing and communication (ISAC) is envisioned to be one of the key usage scenarios for the sixth generation (6G) mobile communication networks. While significant progresses have been achieved for the theoretical studies, the…

信号处理 · 电气工程与系统科学 2026-01-08 Zhiwen Zhou , Chaoyue Zhang , Xiaoli Xu , Yong Zeng

This paper considers a multi-functional orthogonal frequency division multiplexing (OFDM) system with integrated sensing, communication, and powering (ISCAP), in which a multi-antenna base station (BS) transmits OFDM signals to…

信号处理 · 电气工程与系统科学 2024-08-27 Yilong Chen , Chao Hu , Zixiang Ren , Han Hu , Jie Xu , Lexi Xu , Lei Liu , Shuguang Cui

Resource allocation in Integrated Sensing and Communication (ISAC) systems is critical for balancing communication and sensing performance. This paper introduces a novel dynamic power allocation strategy for Orthogonal Frequency Division…

信号处理 · 电气工程与系统科学 2025-02-13 Ali Al Khansa , Giyyarpuram Madhusudan , Guillaume Larue , Louis-Adrien Dufrene

Accurate channel estimation is essential for achieving the performance gains offered by reconfigurable intelligent surface (RIS)-aided wireless communications. A variety of channel estimation methods have been proposed for such systems;…

信号处理 · 电气工程与系统科学 2022-01-25 Sumin Jeong , Arman Farhang , Nemanja Stefan Perović , Mark Flanagan

This paper considers a multiple-input multiple-output (MIMO) integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) with transceiver hybrid analog-digital arrays transmits dual-functional signals to…

信息论 · 计算机科学 2026-02-03 Yizhuo Wang , Shuowen Zhang

A near-field integrated sensing and communications (ISAC) framework is proposed, which introduces an additional distance dimension for both sensing and communications compared to the conventional far-field system. In particular, the…

信息论 · 计算机科学 2025-09-24 Zhaolin Wang , Xidong Mu , Yuanwei Liu

Integrated sensing and communication (ISAC) is a promising technique for expanding the functionalities of wireless networks with enhanced spectral efficiency. The 3rd Generation Partnership Project (3GPP) has defined six basic sensing…

信号处理 · 电气工程与系统科学 2025-09-17 Yixin Ding , Haoyu Jiang , Xiaoli Xu , Yanan Liang , Yong Zeng

For integrated sensing and communication (ISAC) systems, the channel information essential for communication and sensing tasks fluctuates across different timescales. Specifically, wireless sensing primarily focuses on acquiring path state…

信息论 · 计算机科学 2023-10-18 Zhiqiang Xiao , Yong Zeng , Fuxi Wen , Zaichen Zhang , Derrick Wing Kwan Ng

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

In this work, we consider the target detection problem in a multistatic integrated sensing and communication (ISAC) scenario characterized by the cell-free MIMO communication network deployment, where multiple radio units (RUs) in the…

信息论 · 计算机科学 2024-10-22 Tianyu Yang , Shuangyang Li , Yi Song , Kangda Zhi , Giuseppe Caire

Integrated Sensing and Communication (ISAC) systems face stringent hardware constraints, particularly regarding the high Peak-to-Average Power Ratio (PAPR) of standard OFDM, which necessitates power amplifier (PA) back-off and reduces…

信号处理 · 电气工程与系统科学 2026-03-12 Amir Bouziane , Huseyin Arslan

Large-scale deployment of connected vehicles with cooperative awareness technologies increases the demand for vehicle-to-everything (V2X) communication spectrum in 5.9 GHz that is mainly allocated for the exchange of safety messages. To…

信号处理 · 电气工程与系统科学 2021-09-28 Ceyhun D. Ozkaptan , Eylem Ekici , Chang-Heng Wang , Onur Altintas

Integrated sensing and communication (ISAC) is a promising paradigm for future wireless systems due to spectrum reuse, hardware sharing, and joint waveform design. In dynamic scenes, Doppler shifts degrade both sensing and communication,…

信号处理 · 电气工程与系统科学 2025-12-04 Yuan Liu , Wen-Xuan Long , M. R. Bhavani Shankar , Marco Moretti , Rui Chen , Björn Ottersten

Accurate parameter estimation such as angle of arrival (AOA) is essential to enhance the performance of integrated sensing and communication (ISAC) in mmWave multiple-input multiple-output (MIMO) systems. This work presents a sensing-aided…

信息论 · 计算机科学 2025-03-05 Ngoc-Son Duong , Khac-Hoang Ngo , Thai-Mai Dinh , Van-Linh Nguyen

The sixth generation (6G) of wireless networks introduces integrated sensing and communication (ISAC), a technology in which communication and sensing functionalities are inextricably linked, sharing resources across time, frequency, space,…

信号处理 · 电气工程与系统科学 2024-06-28 Silvia Mura , Dario Tagliaferri , Marouan Mizmizi , Umberto Spagnolini , Athina Petropulu

Terahertz (THz) communications are envisioned as a key technology of next-generation wireless systems due to its ultra-broad bandwidth. One step forward, THz integrated sensing and communication (ISAC) system can realize both unprecedented…

信号处理 · 电气工程与系统科学 2022-11-30 Yongzhi Wu , Filip Lemic , Chong Han , Zhi Chen

We consider a joint radar estimation and communication system using orthogonal frequency division multiplexing (OFDM) and orthogonal time frequency space (OTFS) modulations. The scenario is motivated by vehicular applications where a…

信息论 · 计算机科学 2019-02-07 Lorenzo Gaudio , Mari Kobayashi , Björn Bissinger , Giuseppe Caire

Integrated sensing and communication (ISAC) has been recognized as one of the key technologies for future wireless networks, which potentially need to operate in multiple frequency bands to satisfy ever-increasing demands for both…

信息论 · 计算机科学 2025-07-11 Nemanja Stefan Perović , Mark F. Flanagan , Le-Nam Tran

This letter focuses on enhancing target detection performance for a multi-user integrated sensing and communication (ISAC) system using orthogonal time frequency space (OTFS)-aided cell-free multiple-input multiple-output (MIMO) technology…

信息论 · 计算机科学 2024-10-23 Shivani Singh , Amudheesan Nakkeeran , Prem Singh , Ekant Sharma , Jyotsna Bapat

This paper proposes an integrated sensing and communications (ISAC) system based on affine frequency division multiplexing (AFDM) waveform. To this end, a metric set is designed according to not only the maximum tolerable delay/Doppler, but…

信号处理 · 电气工程与系统科学 2025-02-03 Yuanhan Ni , Peng Yuan , Qin Huang , Fan Liu , Zulin Wang