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相关论文: From OFDM to AFDM: Enabling Adaptive Integrated Se…

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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…

信息论 · 计算机科学 2024-02-27 Ali Bemani , Nassar Ksairi , Marios Kountouris

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

This paper considers an affine frequency division multiplexing (AFDM)-based integrated sensing and communications (ISAC) system, where the AFDM waveform is used to simultaneously carry communications information and sense targets. To…

信号处理 · 电气工程与系统科学 2022-08-30 Yuanhan Ni , Zulin Wang , Peng Yuan , Qin Huang

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…

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…

信号处理 · 电气工程与系统科学 2025-07-08 Fan Zhang , Zhaocheng Wang , Tianqi Mao , Tianyu Jiao , Yinxiao Zhuo , Miaowen Wen , Wei Xiang , Sheng Chen , George K. Karagiannidis

Affine Frequency Division Multiplexing (AFDM) has been proposed as an effective waveform for achieving the full diversity of doubly-dispersive (delay-Doppler) channels. While this property is closely related to range and velocity estimation…

信息论 · 计算机科学 2025-11-07 Ali Bemani , Nassar Ksairi , Marios Kountouris

Next-generation wireless networks are conceived to provide reliable and high-data-rate communication services for diverse scenarios, such as vehicle-to-vehicle, unmanned aerial vehicles, and satellite networks. The severe Doppler spreads in…

Next-generation vehicular networks are expected to provide the capability of robust environmental sensing in addition to reliable communications to meet intelligence requirements. A promising solution is the integrated sensing and…

信号处理 · 电气工程与系统科学 2023-11-28 Weijie Yuan , Lin Zhou , Saeid K. Dehkordi , Shuangyang Li , Pingzhi Fan , Giuseppe Caire , H. Vincent Poor

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 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…

This paper investigates the sensing potential of affine frequency division multiplexing (AFDM) in high-mobility integrated sensing and communication (ISAC) from the perspective of radar waveforms. We introduce an innovative parameter…

信号处理 · 电气工程与系统科学 2026-04-14 Jiajun Zhu , Yanqun Tang , Cong Yi , Haoran Yin , Yuanhan Ni , Fan Liu , Zhiqiang Wei , Huseyin Arslan

Channel models are crucial for theoretical analysis, performance evaluation, and deployment of wireless communication systems. Traditional channel sounding systems are insufficient for handling the dynamic changes of channels in the…

信号处理 · 电气工程与系统科学 2025-09-23 Yu Zhou , Chao Zou , Nanhao Zhou , Yanqun Tang , Xiaoying Zhang , Haoran Yin , Xiaoran Liu , Ruisi He , Pan Tang , Weijie Yuan , Yong Zeng

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

In integrated sensing and communications (ISAC), a distinguishing feature of 6G wireless networks, the main challenge lies in integrating the two distinct functions of sensing and communication within the same waveform. In this paper, the…

信号处理 · 电气工程与系统科学 2025-09-30 Henglin Pu , Zhu Han , Athina P. Petropulu , Husheng Li

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 Communication (ISAC) is one of the key pillars envisioned for 6G wireless systems. ISAC systems combine communication and sensing functionalities over a single waveform, with full resource sharing. In particular,…

信号处理 · 电气工程与系统科学 2023-12-20 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…

信息论 · 计算机科学 2025-09-16 Homa Nikbakht , Husheng Li , Zhu Han , H. Vincent Poor

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…

网络与互联网体系结构 · 计算机科学 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…

信号处理 · 电气工程与系统科学 2026-01-23 Pankaj Kumar , Mohammed El-Hajjar , Ibrahim A. Hemadeh , Yasser Mestrah , Suraj Srivastava , Aditya K. Jagannatham , Lajos Hanzo

**PLEASE FIND THE FULL EXTENDED ARTICLE "From OTFS to AFDM: A Comparative Study of Next-Generation Waveforms for ISAC in Doubly-Dispersive Channels" (Accepted for publication at the IEEE Signal Processing Magazine - Special Issue on Signal…

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