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We consider a joint multiple-antenna radar-communications system in a co-existence scenario. Contrary to conventional applications, wherein at least the radar waveform and communications channel are known or estimated \textit{a priori}, we…

Information Theory · Computer Science 2022-06-13 Roman Jacome , Kumar Vijay Mishra , Edwin Vargas , Brian M. Sadler , Henry Arguello

In this paper, we investigate a distributed multi-input multi-output and orthogonal frequency division multiplexing (MIMO-OFDM) dual-function radar-communication (DFRC) system, which enables simultaneous communication and sensing in…

Signal Processing · Electrical Eng. & Systems 2025-03-17 Chen Zhong , Xufeng Zhou , Lan Tang , Mengting Lou

Due to spectrum scarcity, the coexistence of radar and wireless communication has gained substantial research interest recently. Among many scenarios, the heterogeneouslydistributed joint radar-communication system is promising due to its…

Signal Processing · Electrical Eng. & Systems 2022-03-07 Linlong Wu , Kumar Vijay Mishra , Bhavani Shankar M. R. , Björn Ottersten

This paper explores an overlapped-multiple-input multiple-output (MIMO) antenna architecture and a spectrum sharing algorithm via null space projection (NSP) for radar-communications coexistence. In the overlapped-MIMO architecture, the…

Information Theory · Computer Science 2016-11-18 Chowdhury Shahriar , Ahmed Abdelhadi , T. Charles Clancy

In a unified system of passive radar and communication systems of joint transmitter platform, information intended for a communication receiver may be eavesdropped by a passive radar receiver (RR), thereby undermining the security of…

Information Theory · Computer Science 2018-08-30 Batu K. Chalise , Moeness G. Amin

Frequency-hopping (FH) joint radar-communications (JRC) can offer excellent security for integrated sensing and communication systems. However, existing JRC schemes mainly embed information using only the sub-pulse frequencies and hence the…

Signal Processing · Electrical Eng. & Systems 2022-04-27 Linh Manh Hoang , J. Andrew Zhang , Diep N. Nguyen , Dinh Thai Hoang

Despite the enhanced spectral efficiency brought by the integrated radar and communication technique, it poses significant risks to communication security when confronted with malicious radar targets. To address this issue, a reconfigurable…

Signal Processing · Electrical Eng. & Systems 2024-12-17 Tong-Xing Zheng , Xin Chen , Lan Lan , Ying Ju , Xiaoyan Hu , Rongke Liu , Derrick Wing Kwan Ng , Tiejun Cui

Millimeter-wave (mmW) radars are being increasingly integrated in commercial vehicles to support new Adaptive Driver Assisted Systems (ADAS) for its ability to provide high accuracy location, velocity, and angle estimates of objects,…

Signal Processing · Electrical Eng. & Systems 2022-10-10 Xiangyu Gao , Guanbin Xing , Sumit Roy , Hui Liu

This paper proposes a method of passively estimating the parameters of frequency-modulated-continuous-wave (FMCW) radar signals with a wide range of structural parameter values and analyzes how a malicious actor could employ such estimates…

Signal Processing · Electrical Eng. & Systems 2023-07-21 Andrew M. Graff , Todd E. Humphreys

This paper focuses on the joint synthesis of constant envelope transmit signal and receive filter aimed at optimizing radar performance in signal-dependent interference and spectrally contested-congested environments. To ensure the desired…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Jing Yang , Augusto Aubry , Antonio De Maio , Xianxiang Yu , Guolong Cui

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…

Information Theory · Computer Science 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

The sixth-generation (6G) network is expected to provide both communication and sensing (C&S) services. However, spectrum scarcity poses a major challenge to the harmonious coexistence of C&S systems. Without effective cooperation, the…

Information Theory · Computer Science 2024-06-28 Xionran Fang , Wei Feng , Yunfei Chen , Dingxi Yang , Ning Ge , Zhiyong Feng , Yue Gao

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…

Signal Processing · Electrical Eng. & Systems 2019-09-10 Nanchi Su , Fan Liu , Christos Masouros

Micro Air Vehicles (MAVs) are increasingly being used for complex or hazardous tasks in enclosed and cluttered environments such as surveillance or search and rescue. With this comes the necessity for sensors that can operate in poor…

Robotics · Computer Science 2021-03-04 Nikhil Wessendorp , Raoul Dinaux , Julien Dupeyroux , Guido de Croon

Joint communication and radar sensing (JCR) represents an emerging research field aiming to integrate the above two functionalities into a single system, sharing a majority of hardware and signal processing modules and, in a typical case,…

Signal Processing · Electrical Eng. & Systems 2021-12-15 J. Andrew Zhang , Fan Liu , Christos Masouros , Robert W. Heath , Zhiyong Feng , Le Zheng , Athina Petropulu

Coexistence between radar and outdoor Wireless Fidelity (Wi-Fi) needs thorough study since the IEEE 802.11 Working Group (WG) opposed the latest rules in 3550-3700 MHz (the 3.5 GHz band) that require "exclusion zones." This letter proposes…

Networking and Internet Architecture · Computer Science 2017-06-01 Seungmo Kim , Carl Dietrich

Advancing towards high automation and autonomous operations is crucial for the future of inland waterway transport (IWT) systems. These systems necessitate robust and precise onboard sensory technologies that can perceive the environment…

Signal Processing · Electrical Eng. & Systems 2024-11-26 R. Herrmann , S. Bose , I. Filip , D. Medina , R. Ziebold , S. Gehrig , T. Lenhard , M. Gardill

National Telecommunications and Information Administration (NTIA) has proposed vast exclusions zones between radar and Worldwide Interoperability for Microwave Access (WiMAX) (WiMAX) systems which are also being considered as geographic…

Networking and Internet Architecture · Computer Science 2014-12-02 Mo Ghorbanzadeh , Eugene Visotsky , Weidong Yang , Prakash Moorut , Charles Clancy

Radar detection and communication can be operated simultaneously in joint radar-communication (JRC) system. In this paper, we propose a bistatic JRC system which is applicable in multi-path environments. Basing on a novel joint waveform, a…

Signal Processing · Electrical Eng. & Systems 2020-07-01 Yuan Quan , Longfei Shi , Jialei Liu , Jiazhi Ma

This paper presents a new joint radar and communication technique based on the classical stepped frequency radar waveform. The randomization in the waveform, which is achieved by using permutations of the sequence of frequency tones, is…

Information Theory · Computer Science 2021-10-26 Rajitha Senanayake , Peter Smith , Tian Han , Jamie Evans , William Moran , Robin Evans