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Integrated sensing and communication (ISAC) is a promising candidate technology for 6G due to its improvement in spectral efficiency and energy efficiency. Orthogonal frequency division multiplexing (OFDM) signal is a mainstream candidate…

信号处理 · 电气工程与系统科学 2025-08-19 Lin Wang , Zhiqing Wei , Xu Chen , Zhiyong Feng

The following paper presents a novel orthogonal pilot design dedicated for \textcolor{black}{integrated sensing and communications (ISAC)} systems performing multi-user communications and target detection. After careful characterization of…

信号处理 · 电气工程与系统科学 2025-02-26 Ahmad Bazzi , Marwa Chafii

In this paper, we propose a precoding framework for frequency division duplex (FDD) integrated sensing and communication (ISAC) systems with multiple-input multiple-output (MIMO). Specifically, we aim to maximize ergodic sum spectral…

信息论 · 计算机科学 2025-06-12 Namhyun Kim , Juntaek Han , Jinseok Choi , Ahmed Alkhateeb , Chan-Byoung Chae , Jeonghun Park

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 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

A joint design of both sensing and communication can lead to substantial enhancement for both subsystems in terms of size, cost as well as spectrum and hardware efficiency. In the last decade, integrated sensing and communications (ISAC)…

信号处理 · 电气工程与系统科学 2024-08-13 Ahmet M. Elbir , Abdulkadir Celik , Ahmed M. Eltawil , Moeness G. Amin

This paper studies integrated sensing and communication (ISAC) technology in a full-duplex (FD) uplink communication system. As opposed to the half-duplex system, where sensing is conducted in a first-emit-then-listen manner, FD ISAC system…

信息论 · 计算机科学 2023-09-22 Yuan Guo , Yang Liu , Qingqing Wu , Xin Zeng , Qingjiang Shi

We propose a novel doubly-dispersive (DD) multiple-input multiple-output (MIMO) channel model incorporating flexible intelligent metasurfaces (FIMs), which is suitable for integrated sensing and communications (ISAC) in high-mobility…

Integrated sensing and communications (ISAC) as one of the key technologies is capable of supporting high-speed communication and high-precision sensing for the upcoming 6G. This paper studies a waveform strategy by designing the orthogonal…

信号处理 · 电气工程与系统科学 2024-11-13 Ming Lyu , Hao Chen , Dan Wang , Guangyin Feng , Chen Qiu , Xiaodong Xu

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

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…

信息论 · 计算机科学 2024-01-01 Zichao Xiao , Rang Liu , Ming Li , Wei Wang , Qian Liu

Uplink sensing is still a relatively unexplored scenario in integrated sensing and communication which can be used to improve positioning and sensing estimates. We introduce a pilot-based maximum likelihood, and a maximum a posteriori…

信号处理 · 电气工程与系统科学 2024-06-13 Enrique T. R. Pinto , Markku Juntti

The fundamentals of MIMO communications and MIMO sensing are firstly analyzed with regard to channel and sensing capacities. It is shown that the different objectives of communications and sensing lead to different signaling waveforms…

信号处理 · 电气工程与系统科学 2024-03-22 Lie-Liang Yang

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

As one of the six usage scenarios of the sixth generation (6G) mobile communication system, integrated sensing and communication (ISAC) has garnered considerable attention, and numerous studies have been conducted on radio-frequency…

信息论 · 计算机科学 2023-12-22 Yunfeng Wen , Fang Yang , Jian Song , Zhu Han

In this paper, we study optimal waveform design to maximize mutual information (MI) for a joint communication and (radio) sensing (JCAS, a.k.a., radar-communication) multi-input multi-output (MIMO) downlink system. We consider a typical…

信号处理 · 电气工程与系统科学 2020-02-04 Xin Yuan , Zhiyong Feng , J. Andrew Zhang , Wei Ni , Ren Ping Liu , Zhiqing Wei , Changqiao Xu

In this paper, we shed light on the performance gain of integrated sensing and communications (ISAC) from the perspective of channel correlations between radar sensing and communication (S&C), namely ISAC subspace correlation. To begin…

信号处理 · 电气工程与系统科学 2022-11-03 Shihang Lu , Xiao Meng , Zhen Du , Yifeng Xiong , Fan Liu

The aim of this paper is to investigate the recently developed mixed-ADC architecture for frequency-selective channels. Multi-carrier techniques such as orthogonal frequency division multiplexing (OFDM) are employed to handle inter-symbol…

信息论 · 计算机科学 2016-11-17 Ning Liang , Wenyi Zhang

For the Internet of Things (IoT), there might be a large number of devices to be connected to the Internet through wireless technologies. In general, IoT devices would have various constraints due to limited processing capability, memory,…

信息论 · 计算机科学 2020-01-08 Jinho Choi

In this paper, we explore a cooperative integrated sensing and communication (ISAC) framework that utilizes orthogonal frequency division multiplexing (OFDM) waveforms. Under the control of a central processing unit (CPU), multiple access…

信号处理 · 电气工程与系统科学 2026-02-25 Zihuan Wang , Vincent W. S. Wong , Robert Schober