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Related papers: Tunable Gaussian Pulse for Delay-Doppler ISAC

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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…

Signal Processing · Electrical Eng. & Systems 2023-07-14 Lin Wang , Zhiqing Wei , Liyan Su , Zhiyong Feng , Huici Wu , Dongsheng Xue

The choice of delay-Doppler domain (DD) pulse shaping filter plays an important role in determining the performance of Zak-OTFS. Sinc filter has good main lobe characteristics (with nulls at information grid points) which is good for…

Information Theory · Computer Science 2025-02-07 Arpan Das , Fathima Jesbin , Ananthanarayanan Chockalingam

The orthogonal time frequency space (OTFS) signal is considered a promising solution for high-mobility wireless environments. It manages Doppler effects by utilizing delay-Doppler (DD) domain processing. However, the relatively long OTFS…

Signal Processing · Electrical Eng. & Systems 2026-01-01 Borui Du , Yumeng Zhang , Christos Masouros , Bruno Clerckx

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 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…

Signal Processing · Electrical Eng. & Systems 2025-02-03 Yuanhan Ni , Peng Yuan , Qin Huang , Fan Liu , Zulin Wang

IEEE 802.11ad-based integrated sensing and communications (ISAC) have been identified as a potential solution for enabling next-generation intelligent transportation systems in the millimeter wave (mmW) spectrum. The radar functionality…

Signal Processing · Electrical Eng. & Systems 2024-08-14 Aakanksha Tewari , Shragvi Sidharth Jha , Akanksha Sneh , Sumit J Darak , Shobha Sundar Ram

Delay alignment modulation (DAM) has been recently proposed to enable manipulable channel delay spread for efficient single- or multi-carrier communications. In particular, with perfect delay alignment, inter-symbol interference (ISI) can…

Signal Processing · Electrical Eng. & Systems 2022-07-11 Zhiqiang Xiao , Yong Zeng

Future mobile networks are projected to support integrated sensing and communications in high-speed communication scenarios. Nevertheless, large Doppler shifts induced by time-varying channels may cause severe inter-carrier interference…

Signal Processing · Electrical Eng. & Systems 2025-04-22 Xueyang Wang , Kai Wu , J. Andrew Zhang , Shiqi Gong , Chengwen Xing

This paper studies integrated sensing and communication (ISAC) with dynamic time division duplex (DTDD) cell-free (CF) massive multiple-input multiple-output~(mMIMO) systems. DTDD enables the CF mMIMO system to concurrently serve both…

Signal Processing · Electrical Eng. & Systems 2025-08-15 Anubhab Chowdhury , Sai Subramanyam Thoota , Erik G. Larsson

Integrated Sensing and Communication (ISAC) is a key enabler of high speed, ultra low latency vehicular communication in 6G. ISAC leverages radar signal processing (RSP) to localize multiple unknown targets amid static clutter by jointly…

Signal Processing · Electrical Eng. & Systems 2026-04-01 Aakanksha Tewari , Jai Mangal , Sumit J Darak , Shobha Sundar Ram , Arnav Shukla

An integrated sensing and communication (ISAC) framework comprises radar sensing to enable reliable direction beam-based communication between a base station (BS) and mobile user (MU). The ISAC will be an integral part of 6G with potential…

Signal Processing · Electrical Eng. & Systems 2026-03-10 Jai Mangal , Sumit Darak , Shobha Sundar Ram

In 6G networks, integrated sensing and communication (ISAC) is envisioned as a key technology that enables wireless systems to perform joint sensing and communication using shared hardware, antennas and spectrum. ISAC designs facilitate…

Information Theory · Computer Science 2025-06-19 Homa Nikbakht , Yonina C. Eldar , H. Vincent Poor

In this paper, we propose a novel pulse shaping design for single-carrier integrated sensing and communication (ISAC) transmission. Due to the communication information embedded in the ISAC signal, the resulting auto-correlation function…

Signal Processing · Electrical Eng. & Systems 2024-05-08 Zihan Liao , Fan Liu , Shuangyang Li , Yifeng Xiong , Weijie Yuan , Marco Lops

The integrated sensing and communications (ISAC) can achieve the sharing of hardware and spectrum resources, enabling efficient data transmission and environmental sensing. This fusion is particularly important for unmanned aerial vehicle…

Signal Processing · Electrical Eng. & Systems 2025-10-20 Yi Tao , Zhen Gao , Zhuoran Li , Ziwei Wan , Tuan Li , Chunli Zhu , Lei Chen , Guanghui Wen , Dezhi Zheng , Dusit Niyato

Integrated sensing and communications (ISAC) is a disruptive technology enabling future sixth-generation (6G) networks. This paper investigates target detection in a bistatic ISAC system, in which the base station (BS) transmits…

Signal Processing · Electrical Eng. & Systems 2025-11-17 Xianxin Song , Xianghao Yu , Jie Xu , Derrick Wing Kwan Ng

Integrated sensing and communications (ISAC) has emerged as a pivotal enabling technology for next-generation wireless networks. Despite the distinct signal design requirements of sensing and communication (S&C) systems, shifting the…

Signal Processing · Electrical Eng. & Systems 2024-07-23 Zihan Liao , Fan Liu , Shuangyang Li , Yifeng Xiong , Weijie Yuan , Christos Masouros , Marco Lops

Zak-OTFS provides a framework for integrated sensing & communication (ISAC) in high delay and Doppler spread environments. Pulse shaping filter design enables joint optimization of sensing and communication performance. For sensing, a…

Signal Processing · Electrical Eng. & Systems 2026-01-16 Nishant Mehrotra , Sandesh Rao Mattu , Robert Calderbank

In this paper, we analyze the recently discovered delay-Doppler plane orthogonal pulse (DDOP), which is essential for delay-Doppler plane multi-carrier modulation waveform. In particular, we introduce a local orthogonality property of…

Information Theory · Computer Science 2023-01-18 Hai Lin , Jinhong Yuan

Despite the millimeter wave technology fulfills the low-latency and high data transmission, it will cause severe Doppler Frequency Shift (DFS) for high-speed vehicular network, which tremendously damages the communication performance. In…

Signal Processing · Electrical Eng. & Systems 2023-10-12 Jinzhu Jia , Zhiqing Wei , Ruiyun Zhang , Lin Wang

Recently, a novel flexible-antenna technology, called pinching antennas, has attracted growing academic interest. By inserting discrete dielectric materials, pinching antennas can be activated at arbitrary points along waveguides, allowing…

Information Theory · Computer Science 2025-06-02 Weihao Mao , Yang Lu , Yanqing Xu , Bo Ai , Octavia A. Dobre , Dusit Niyato