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Orbital angular momentum (OAM) radars are able to estimate the azimuth angle and the rotation velocity of multiple targets without relative motion or beam scanning. Moreover, OAM wireless communications can achieve high spectral efficiency…

信号处理 · 电气工程与系统科学 2022-05-12 Wen-Xuan Long , Rui Chen , Marco Moretti , Wei Zhang , Jiandong Li

The co-design of radar sensing and communications in dual-functional radar communication systems brings promising advantages for next generation wireless networks by providing gains in terms of the efficient and flexible use of spectrum,…

信号处理 · 电气工程与系统科学 2023-02-14 Isabella W. G. da Silva , Diana P. M. Osorio , Markku Juntti

Dual-functional radar-communication (DFRC) has attracted considerable attention. This paper considers the frequency-selective multipath fading environment and proposes DFRC waveform design schemes based on multiple-input and multiple-output…

信息论 · 计算机科学 2025-09-10 Tianchen Liu , Yifei Liu , Liang Wu , Bo An , Zaichen Zhang , Jian Dang , Jiangzhou Wang

Range profiling refers to the measurement of target response along the radar slant range. It plays an important role in automatic target recognition. In this paper, we consider the design of transmit waveform to improve the range profiling…

信号处理 · 电气工程与系统科学 2021-03-19 Bo Tang , Jun Liu , Hai Wang , Yihua Hu

We study security solutions for dual-functional radar communication (DFRC) systems, which detect the radar target and communicate with downlink cellular users in millimeter-wave (mmWave) wireless networks simultaneously. Uniquely for such…

信号处理 · 电气工程与系统科学 2021-07-13 Nanchi Su , Fan Liu , Zhongxiang Wei , Ya-Feng Liu , Christos Masouros

New generation of radar systems will need to coexist with other radio frequency (RF) systems, anticipating their behavior and reacting appropriately to avoid interference. In light of this requirement, this paper designs, implements, and…

信号处理 · 电气工程与系统科学 2021-03-23 Mohammad Alaee-Kerahroodi , Ehsan Raei , Sumit Kumar , Bhavani Shankar Mysore Rama Rao

Future wireless communication systems are envisioned to share radio frequency (RF) spectrum, with other services such as radars, in order to meet the growing spectrum demands. In this paper, we consider co-channel spectrum sharing between…

信息论 · 计算机科学 2016-11-18 Awais Khawar , Ahmed Abdelhadi , T. Charles Clancy

Future wireless communication systems are expected to explore spectral bands typically used by radar systems, in order to overcome spectrum congestion of traditional communication bands. Since in many applications radar and communication…

信号处理 · 电气工程与系统科学 2020-08-26 Xiang Liu , Tianyao Huang , Nir Shlezinger , Yimin Liu , Jie Zhou , Yonina C. Eldar

In this letter, we consider the coexistence and spectrum sharing between downlink multi-user multiple-input-multiple-output (MU-MIMO) communication and a MIMO radar. For a given performance requirement of the downlink communication system,…

信息论 · 计算机科学 2017-07-04 Fan Liu , Christos Masouros , Ang Li , Tharmalingam Ratnarajah

We establish fundamental bounds on subwavelength resolution for the radar ranging problem, ``super radar''. Information theoretical metrics are applied to probe the resolution limits for the case of both direct electric field measurement…

光学 · 物理学 2024-06-04 Andrew N. Jordan , John C. Howell

The potentials of automotive radar for autonomous driving have not been fully exploited. We present a multi-input multi-output (MIMO) radar transmit and receive signal processing chain, a knowledge-aided approach exploiting the radar domain…

信号处理 · 电气工程与系统科学 2021-11-03 Ruxin Zheng , Shunqiao Sun , David Scharff , Teresa Wu

This paper studies the physical layer security in a multiple-input-multiple-output (MIMO) dual-functional radar-communication (DFRC) system, which communicates with downlink cellular users and tracks radar targets simultaneously. Here, the…

信号处理 · 电气工程与系统科学 2019-09-10 Nanchi Su , Fan Liu , Christos Masouros

The focus of this study is on the spectrum sharing between multiple-input multiple-output (MIMO) communications and co-located MIMO radar systems in multi-path environments. The major challenge is to suppress the mutual interference between…

信息论 · 计算机科学 2023-04-11 Haoyu Zhang , Li Chen , Kaifeng Han , Yunfei Chen , Guo Wei

The existence of multipath brings extra "looks" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of…

信号处理 · 电气工程与系统科学 2020-09-29 Zhou Xu , Chongyi Fan , Jian Wang , Xiaotao Huang

Although routinely utilized in literature, orthogonal waveforms may lose orthogonality in distributed multi-input multi-output (MIMO) radar with spatially separated transmit (TX) and receive (RX) antennas, as the waveforms may experience…

信号处理 · 电气工程与系统科学 2021-08-04 Hongbin Li , Fangzhou Wang , Cengcang Zeng , Mark A. Govoni

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

信息论 · 计算机科学 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

Recently, huge attention is attracted to the concept of integrating communication and radar missions within the same platform. Joint radar-communications (JRC) system gives an important opportunity to reduce spectrum usage and product cost…

信号处理 · 电气工程与系统科学 2020-02-04 Muharrem Arik , Ozgur B. Akan

This paper addresses robust waveform design for multiple-input-multiple-output (MIMO) radar detection. A probabilistic model is proposed to describe the target uncertainty. Considering that waveform design based on maximizing the…

信号处理 · 电气工程与系统科学 2022-04-12 Xuyang Wang , Bo Tang , Ming Zhang

This article introduces a bistatic joint radar-communication (RadCom) system based on orthogonal frequency-division multiplexing (OFDM). In this context, the adopted OFDM frame structure is described and system model encompassing time,…

信号处理 · 电气工程与系统科学 2023-05-25 Lucas Giroto de Oliveira , David Brunner , Axel Diewald , Charlotte Muth , Laurent Schmalen , Thomas Zwick , Benjamin Nuss

We investigate cooperative radar and communications signaling. Each system typically considers the other system a source of interference. Consequently, the traditional solution is to isolate the two systems spectrally or spatially. By…

信息论 · 计算机科学 2014-09-25 Alex R. Chiriyath , Bryan Paul , Daniel W. Bliss