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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,…

Signal Processing · Electrical Eng. & Systems 2024-06-28 Silvia Mura , Dario Tagliaferri , Marouan Mizmizi , Umberto Spagnolini , Athina Petropulu

Integrated sensing and communication (ISAC) is expected to be one of the major features of 6G wireless networks. In an ISAC system, communications and sensing functionalities are jointly performed using the same waveform, frequency band and…

Information Theory · Computer Science 2025-09-16 Homa Nikbakht , Husheng Li , Zhu Han , H. Vincent Poor

Integrated sensing and communication (ISAC) is increasingly expected to operate under aggressive spectrum reuse, where co-channel orthogonal frequency division multiplexing (OFDM) interference can be catastrophic for data recovery on the…

Signal Processing · Electrical Eng. & Systems 2026-04-30 Henglin Pu , Ahmad Musallam , Husheng Li , Lajos Hanzo

Probabilistic constellation shaping (PCS) has been widely applied to amplified coherent optical transmissions owing to its shaping gain over the uniform signaling and fine-grained rate adaptation to the underlying fiber channel condition.…

Signal Processing · Electrical Eng. & Systems 2021-09-08 Di Che , Junho Cho , Xi Chen

Integrated Sensing and Communication (ISAC) systems are recognised as one of the key ingredients of the sixth generation (6G) network. A challenging topic in ISAC is the design of a single waveform combining both communication and sensing…

A novel Gamma-distributed geometric constellation design framework for integrated sensing and communication (ISAC) is proposed in this paper. In this framework, constellation points are modeled as samples drawn from a parameterized…

Information Theory · Computer Science 2026-04-27 Amirhossein Keshavarzchafjiri , Janith K. Dassanayake , Gayan A. Aruma Baduge , Mojtaba Vaezi

Communication-centric Integrated Sensing and Communication (ISAC) has been recognized as a promising methodology to implement wireless sensing functionality over existing network architectures, due to its cost-effectiveness and backward…

Signal Processing · Electrical Eng. & Systems 2025-04-23 Shihang Lu , Fan Liu , Yifeng Xiong , Zhen Du , Yuanhao Cui , Shuangyang Li , Weijie Yuan , Jie Yang , Shi Jin

Integrated Sensing and Communications (ISAC) is emerging as a key paradigm for future Sixth-Generation (6G) networks, with communication-centric designs favored for their compatibility with existing standards. Communication signals contain…

Signal Processing · Electrical Eng. & Systems 2026-05-14 Mathieu Reniers , Martin Willame , Jérôme Louveaux , Luc Vandendorpe

Circularly pulse-shaped orthogonal frequency division multiplexing (CPS-OFDM) is one of the most promising 5G waveforms that addresses two physical layer signal requirements of low out-of-subband emission (OSBE) and low peak-to-average…

Information Theory · Computer Science 2024-10-30 Yenming Huang , Rueibin Yang , Borching Su

In future sixth-generation (6G) mobile networks, radar sensing is expected to be offered as an additional service to its original purpose of communication. Merging these two functions results in integrated sensing and communication (ISAC)…

Integrated Sensing and Communications (ISAC) is expected to play a pivotal role in future 6G networks. To maximize time-frequency resource utilization, 6G ISAC systems must exploit data payload signals, that are inherently random, for both…

Signal Processing · Electrical Eng. & Systems 2025-01-06 Fan Liu , Yifeng Xiong , Shihang Lu , Shuangyang Li , Weijie Yuan , Christos Masouros , Shi Jin , Giuseppe Caire

This paper investigates subspace-based target detection in OFDM integrated sensing and communications (ISAC) systems, considering the impact of various constellations. To meet diverse communication demands, different constellation schemes…

Signal Processing · Electrical Eng. & Systems 2024-01-31 Yangming Lai , Musa Furkan Keskin , Henk Wymeersch , Luca Venturino , Wei Yi , Lingjiang Kong

This paper studies a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) networked integrated sensing and communication (ISAC) system, in which multiple base stations (BSs) perform beam tracking to…

Networking and Internet Architecture · Computer Science 2025-08-19 Xiaoyu Yang , Zhiqing Wei , Jie Xu , Huici Wu , Zhiyong Feng

Integrated sensing and communications (ISAC) is considered a key enabler to support application scenarios such as the Internet-of-Things (IoT) in which both communications and sensing play significant roles. Multi-carrier waveforms, such as…

Orthogonal frequency division multiplexing (OFDM), which has been the dominating waveform for contemporary wireless communications, is also regarded as a competitive candidate for future integrated sensing and communication (ISAC) systems.…

Signal Processing · Electrical Eng. & Systems 2025-03-12 Xiaoli Xu , Zhiwen Zhou , Yong Zeng

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…

Information Theory · Computer Science 2025-09-30 Vijaya Yajnanarayana , Philipp Geuer

The Integrated Sensing and Communications (ISAC) paradigm is anticipated to be a cornerstone of the upcoming 6G networks. In order to optimize the use of wireless resources, 6G ISAC systems need to harness the communication data payload…

Information Theory · Computer Science 2025-02-18 Fan Liu , Ya-Feng Liu , Yuanhao Cui , Christos Masouros , Jie Xu , Tony Xiao Han , Stefano Buzzi , Yonina C. Eldar , Shi Jin

Integrated sensing and communication (ISAC) is widely recognized as a pivotal enabling technique for the advancement of future wireless networks. This paper aims to efficiently exploit the inherent sparsity of echo signals for the…

Information Theory · Computer Science 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

Integrated sensing and communication (ISAC) is regarded as the enabling technology in the future 5th-Generation-Advanced (5G-A) and 6th-Generation (6G) mobile communication system. ISAC waveform design is critical in ISAC system. However,…

Information Theory · Computer Science 2023-10-10 Zhiqing Wei , Jinghui Piao , Xin Yuan , Huici Wu , J. Andrew Zhang , Zhiyong Feng , Lin Wang , Ping Zhang

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…

Signal Processing · Electrical Eng. & Systems 2025-02-13 Ali Al Khansa , Giyyarpuram Madhusudan , Guillaume Larue , Louis-Adrien Dufrene