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Slow-Time MIMO Waveform Design Using Pulse-Agile-Phase-Coding for Range Ambiguity Mitigation
2023
Remote Sensing
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By conducting joint pulse-Doppler processing across multiple range segments, range ambiguity can be suppressed, increasing the system's Pulse Repetition Frequency (PRF) without introducing ambiguity. ...
This paper proposed a Pulse-Agile-Phase-Coding slow-time MIMO (PAPC-st-MIMO) waveform, where the phase-coded signal is utilized as the intra-pulse modulation of the slow-time MIMO waveform. ...
Acknowledgments: The authors thank the editor and anonymous reviewers for their helpful comments and suggestions.
Conflicts of Interest: The authors declare no conflict of interest. ...
doi:10.3390/rs15133395
fatcat:6zmjtii4q5f3xouczua32u6y2e
Toward Millimeter Wave Joint Radar-Communications: A Signal Processing Perspective
[article]
2019
arXiv
pre-print
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Major challenges are joint waveform design and performance criteria that would optimally trade-off between communications and radar functionalities. ...
Novel multiple-input-multiple-output (MIMO) signal processing techniques are required because mmWave JRC systems employ large antenna arrays. ...
Some solutions [7] , [22] also employ the related Orthogonal Frequency Division Multiple Access (OFDMA) waveform for a JRC system. ...
arXiv:1905.00690v2
fatcat:4razrkbgafchdb6dz5qqjslh7e
Joint Radar-Communications Strategies for Autonomous Vehicles
[article]
2020
arXiv
pre-print
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To that aim, such vehicles are equipped with wireless communications transceivers as well as multiple sensors, including automotive radars. ...
The fact that autonomous vehicles implement both radar and communications motivates designing these functionalities in a joint manner. ...
The work [25] proposed a media access protocol for automotive DFRC systems with time and frequency division to mitigate interference with neighboring radars. ...
arXiv:1909.01729v2
fatcat:jtcns6qqqva4vckk2yc6c3dppy
RadarConf21 2021 Blank Page
2021
2021 IEEE Radar Conference (RadarConf21)
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joint radarcommunications, and the role of MIMO array processing in automotive radars. ...
(55 mins) -Fundamentals of mm-Wave MIMO radar and MIMO communications -MRMC scenarios and architectures -Interference in automotive radar -Automotive displaced MIMO sensor imaging -STAP processing for ...
Gogineni developed optimal waveform design techniques for adaptive MIMO radar systems and demonstrated improved target detection and estimation performance. At ISL, Dr. ...
doi:10.1109/radarconf2147009.2021.9454970
fatcat:gf7lve4dirh65jmkz7o4gzi754
High Resolution FDMA MIMO Radar
[article]
2017
arXiv
pre-print
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Traditional multiple input multiple output radars, which transmit orthogonal coded waveforms, suffer from range-azimuth resolution trade-off. ...
In this work, we adopt a frequency division multiple access (FDMA) approach that breaks this conflict. ...
The main waveform families considered are time, frequency and code division multiple access, abbreviated as TDMA, FDMA and CDMA, respectively. ...
arXiv:1711.06560v1
fatcat:r5hxstliyvf4dfzk26mktv5ehm
A Transmitter Design for the Multi-Beam CC-OFDM Azimuth Scanning MIMO Radar
2022
IEEE Access
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This paper describes an implementation of circulating codes (CC) in azimuth scanning MIMO radar that adopts OFDM waveform. ...
CC-OFDM MIMO with spectrum division into sub-bands and use of orthogonal codes, allow for simultaneous transmission of orthogonal OFDM symbols that generate orthogonal beams toward different angles. ...
Multi-beam radar technology is beneficial to various radar applications, such as surveillance [3] , [4] , automotive radar [5] , [6] , radar imaging [7] , [8] , joint multiuser communication and ...
doi:10.1109/access.2022.3175883
fatcat:xays4dbeazfm3d2oh6vxlpd3ua
Radar and Communication Co-existence: an Overview
[article]
2019
arXiv
pre-print
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Various signal processing techniques such as interference mitigation, pre-coding or spatial separation, and waveform design allow both radar and communications to share the spectrum. ...
Increased amounts of bandwidth are required to guarantee both high-quality/high-rate wireless services (4G and 5G) and reliable sensing capabilities such as automotive radar, air traffic control, earth ...
The transmitted symbols are assumed to undergo suitable pre-coding, where the choice of the precoding matrix dictates the type of system, ranging from Code-Division Multiple Access (CDMA) to Orthogonal ...
arXiv:1902.08676v1
fatcat:bvq7i4yw75fujbfikvz7uje4uq
Cooperative Multiterminal Radar and Communication: A New Paradigm for 6G Mobile Networks
2021
IEEE Vehicular Technology Magazine
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2021 pre-print arXiv:2111.05260v1 fatcat:clmyx7cnnfd7hndhvqcpjkfdmq
This article presents the evolution of the hitherto separate radar and communication systems towards their amalgam known as a joint radar and communication (RADCOM) system. ...
We consider an ultra-dense network (UDN) scenario relying on an active multistatic radar configuration and on cooperation between the access points across the entire coverage area. ...
A code-based multiple-access method, known as non-orthogonal multiple access (NOMA) [10] , is being considered for next generation networks, which is equally suitable for both functionalities. ...
doi:10.1109/mvt.2021.3114138
fatcat:qnxn3yadozhmrmzsbkro4e6dke
A Survey on Joint Communication-Radar Systems
2021
Frontiers in Communications and Networks
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Joint communications-radar (JCR) systems are among the several approaches proposed to achieve this objective. ...
Moreover, the communication waveform is used as an integrated JCR waveform, i.e., the same signal is used to communicate information to a receiver and to perform radar detection and estimation operations ...
In (Dokhanchi et al., 2019 (Dokhanchi et al., , 2018 , phase modulated continuous wave (PMCW) and orthogonal frequency division multiple access (OFDMA) waveforms were proposed as integrated JCR/JRC waveforms ...
doi:10.3389/frcmn.2020.619483
fatcat:lvvpe5genfahnfzdqlkwllvnji
The Rise of Intelligent Reflecting Surfaces in Integrated Sensing and Communications Paradigms
[article]
2022
arXiv
pre-print
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We discuss the putative advantages of IRS deployment, such as coverage extension, interference suppression, and enhanced parameter estimation, for both communications and radar. ...
The article provides an overview of related signal processing techniques and the design challenges, such as wireless channel acquisition, waveform design, and security. ...
, and automotive radars. ...
arXiv:2204.07265v4
fatcat:ghf5wzcfn5hrlbhd7s62ykxvfu
Towards Integrated Sensing and Communications for 6G
[article]
2022
arXiv
pre-print
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In this paper, we categorize and summarize the key features and technical considerations for different integration approaches and discuss related waveform design issues for a future 6G system. ...
We provide results on new candidate waveforms for monostatic sensing and finally highlight important open issues and directions that deserve future in-depth research. ...
as typically used for automotive radars, is frequency-modulated continuous wave (FMCW). ...
arXiv:2201.04498v1
fatcat:soetpdrxird3vpu5bpanvlak3e
Modern Software Defined Radar (SDR) Technology and Its Trends
2014
Journal of the Korean Institute of Electromagnetic Engineering and Science
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For the advanced SDR concept, the KAU SDR Model (KSM) is presented for the multimode and multiband radar system operating in S-, X-, and K-bands. ...
This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/3.0) which permits unrestricted non-commercial ...
[2] implemented orthogonal frequency-division multiplexing (OFDM) signal coding and system architecture to achieve radar and data communication functionalities. ...
doi:10.5515/jkiees.2014.14.4.321
fatcat:ehbagju3x5efhlcjlplq5vphii
Enabling Joint Communication and Radar Sensing in Mobile Networks – A Survey
[article]
2021
arXiv
pre-print
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Mobile network is evolving from a communication-only network towards one with joint communication and radar/radio sensing (JCAS) capabilities, that we call perceptive mobile network (PMN). ...
Within the context of PMN, we review stimulating research problems and potential solutions, organized under nine topics: performance bounds, waveform optimization, antenna array design, clutter suppression ...
We refer to complicated mobile signals as those with modulations of orthogonal frequencydivision multiple access (OFDMA) and multiuser-MIMO (or spatial division multiple access, SDMA). ...
arXiv:2006.07559v4
fatcat:uqxn3bm27zg55ofrh337j7qzb4
Application-Based Coexistence of Different Waveforms on Non-orthogonal Multiple Access
[article]
2020
arXiv
pre-print
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However, in this study, the coexistence of different waveform structures in the same resource elements are studied under the theory of non-orthogonal multiple access. ...
Throughout the paper, the coexistence of different waveforms is explained with two specific use cases, which are power-balanced NOMA and joint radar-sensing and communication with NOMA. ...
In [19] , a scheme based on non-orthogonally coexisting OFDM and code division multiple access (CDMA) is proposed. ...
arXiv:2009.00973v1
fatcat:jdzktf6strcrtmkfpwtldmnm5u
Adaptive and Fast Combined Waveform-Beamforming Design for mmWave Automotive Joint Communication-Radar
2021
IEEE Journal on Selected Topics in Signal Processing
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Index Terms-Automotive radar, millimeter-wave vehicular communication, joint communication-radar, partial Fourier compressed sensing, adaptive waveform and beamforming design. ...
In this paper, we propose an adaptive and fast combined waveform-beamforming design for the mmWave automotive JCR with a phased-array architecture that permits a trade-off between communication and radar ...
Vorobyov of Aalto University, Finland, for discussions regarding the adaptive JCR design. ...
doi:10.1109/jstsp.2021.3071592
fatcat:dic6z5bxlffrnmmnwjq2unoqhe
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