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Related papers: DFT-s-OFDM with Chirping for Integrated Sensing an…

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In this paper, a new single-carrier waveform, called chirped discrete Fourier transform spread orthogonal frequency division multiplexing (DFT-s-OFDM), is proposed for the sixth generation of communications. As the initial study on this…

Signal Processing · Electrical Eng. & Systems 2025-02-20 Yujie Liu , Yong Liang Guan , David González G. , Halim Yanikomeroglu

In this paper, a new waveform called discrete Fourier transform spread orthogonal frequency division multiplexing with chirp modulation (DFT-s-OFDM-CM) is proposed for the next generation of wireless communications. The information bits are…

Signal Processing · Electrical Eng. & Systems 2025-08-07 Yujie Liu , Yong Liang Guan , David González G. , Halim Yanikomeroglu

Integrated sensing and communication (ISAC) is widely regarded as a key enabling technology for 6G wireless networks. While extensive research has explored the coexistence of sensing and communication functionalities, the use of orthogonal…

Networking and Internet Architecture · Computer Science 2026-03-16 Huacheng Zeng , Kunzhe Song , Geo Jie Zhou , Ruxin Lin

Integrated Sensing and Communication (ISAC) requires the development of a waveform capable of efficiently supporting both communication and sensing functionalities. This paper proposes a novel waveform that combines the benefits of both the…

Signal Processing · Electrical Eng. & Systems 2026-01-23 Pankaj Kumar , Mohammed El-Hajjar , Ibrahim A. Hemadeh , Yasser Mestrah , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

We present a novel multicarrier waveform, termed chirp-permuted affine frequency division multiplexing (CP-AFDM), which introduces a unique chirp-permutation domain on top of the chirp subcarriers of the conventional AFDM. Rigorous analysis…

Signal Processing · Electrical Eng. & Systems 2025-09-24 Hyeon Seok Rou , Giuseppe Thadeu Freitas de Abreu

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…

Information Theory · Computer Science 2024-02-27 Ali Bemani , Nassar Ksairi , Marios Kountouris

Next-generation wireless systems will offer integrated sensing and communications (ISAC) functionalities not only in order to enable new applications, but also as a means to mitigate challenges such as doubly-dispersive channels, which…

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…

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…

Signal Processing · Electrical Eng. & Systems 2024-03-21 Zonghui Yang , Shijian Gao , Xiang Cheng , Liuqing Yang

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…

Signal Processing · Electrical Eng. & Systems 2022-11-30 Yongzhi Wu , Filip Lemic , Chong Han , Zhi Chen

In this study, we propose a framework for chirp-based communications by exploiting discrete Fourier transform-spread orthogonal frequency division multiplexing (DFT-s-OFDM). We show that a well-designed frequency-domain spectral shaping…

Signal Processing · Electrical Eng. & Systems 2020-11-24 Alphan Sahin , Nozhan Hosseini , Hosseinali Jamal , Safi Shams Muhtasimul Hoque , David W. Matolak

As the standardization of sixth generation (6G) wireless systems accelerates, there is a growing consensus in favor of evolutionary waveforms that offer new features while maximizing compatibility with orthogonal frequency division…

Signal Processing · Electrical Eng. & Systems 2026-02-17 Hyeon Seok Rou , Vincent Savaux , Zeping Sui , Giuseppe Thadeu Freitas de Abreu , Zilong Liu

Integrated sensing and communication (ISAC) is one of the key usage scenarios for future sixth-generation (6G) mobile communication networks, where communication and sensing (C&S) services are simultaneously provided through shared wireless…

The integrated sensing and communication (ISAC) has been envisioned as one representative usage scenario of sixth-generation (6G) network. However, the unprecedented characteristics of 6G, especially the doubly dispersive channel, make…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Fan Zhang , Zhaocheng Wang , Tianqi Mao , Tianyu Jiao , Yinxiao Zhuo , Miaowen Wen , Wei Xiang , Sheng Chen , George K. Karagiannidis

The emergence of 6G wireless networks demands solutions that seamlessly integrate communication and sensing. This letter proposes a novel waveform design for joint sensing and communication (JSAC) systems, combining single-carrier…

Signal Processing · Electrical Eng. & Systems 2025-03-18 Ayoub Ammar Boudjelal , Rania Yasmine Bir , Huseyin Arslan

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…

Information Theory · Computer Science 2021-11-10 Sangeeta Bhattacharjee , Kumar Vijay Mishra , Ramesh Annavajjala , Chandra R. Murthy

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 a key feature of next-generation wireless networks, enabling a wide range of emerging applications such as vehicle-to-everything (V2X) and unmanned aerial vehicles (UAVs), which operate in…

Signal Processing · Electrical Eng. & Systems 2025-11-03 Haoran Yin , Yanqun Tang , Jun Xiong , Fan Liu , Yuanhan Ni , Qu Luo , Roberto Bomfin , Marwa Chafii , Marios Kountouris , Christos Masouros

The dominating waveform in 5G is orthogonal frequency division multiplexing (OFDM). OFDM will remain a promising waveform candidate for joint communication and sensing (JCAS) in 6G since OFDM can provide excellent data transmission…

Information Theory · Computer Science 2023-01-10 Yi Geng

In this paper, we introduce the concept of a mother waveform to address key challenges in 5th generation (5G) and 6th generation (6G) networks, including spectral efficiency, backward compatibility, enhanced flexibility, and the integration…

Signal Processing · Electrical Eng. & Systems 2025-03-20 Ayoub Ammar Boudjelal , Rania Yasmine Bir , Huseyin Arslan
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