70 Hits in 7.4 sec

A Rate-Splitting Strategy to Enable Joint Radar Sensing and Communication with Partial CSIT [article]

Rafael Cerna-Loli, Onur Dizdar, Bruno Clerckx
2021 arXiv   pre-print
In this work, a joint RadCom system is designed which marries the capabilities of a Multiple-Input Multiple-Output (MIMO) radar with Rate-Splitting Multiple Access (RSMA), a powerful downlink communications  ...  Simulation results demonstrate that RSMA provides the RadCom with more robustness, flexibility and user rate fairness compared to the baseline joint RadCom system based on Space Division Multiple Access  ...  Advantages of a joint design also include highly-directional beamforming, minimum delay, enhanced security and privacy, and dynamic computational resource allocation.  ... 
arXiv:2105.00633v1 fatcat:zdubglwkdzfancmto56ol5et6i

Game theoretic analysis for MIMO radars with multiple targets

Anastasios Deligiannis, Sangarapillai Lambotharan, Jonathon A. Chambers
2016 IEEE Transactions on Aerospace and Electronic Systems  
game theoretic analysis for the optimal beamforming and resource allocation problem in a MIMO tracking radar system with multiple targets.  ...  After designing the optimal beampatterns, the primary joint beamforming and resource allocation problem reduces to a power only minimization game.  ... 
doi:10.1109/taes.2016.150699 fatcat:ov2ff5i2d5aobadn3ot56efsse

A Comprehensive Study of Past, Present, and Future of Spectrum Sharing and Information Embedding Techniques in Joint Wireless Communication and Radar Systems

Muhammad Fahad Munir, Abdul Basit, Wasim Khan, Ahmad Saleem, AbdulRahman Al-salehi, Muhammad Inam Abbasi
2022 Wireless Communications and Mobile Computing  
Wireless spectrum is a limited resource, and the rapid increase in demand for wireless communication-based services is increasing day by day.  ...  Dual-Function Radar and Communication (DFRC) is an emerging field and bears vital importance for both civil and military applications for the last few years.  ...  joint radar and communication designs.  ... 
doi:10.1155/2022/9642849 fatcat:ojojnlkkzfeslaunciwpmul45a

Throughput Enhancement for Dual-Function Radar-Embedded Communications Using Two Generalized Sidelobe Cancellers

Abdul Rahman Al-Salehi, Ijaz Mansoor Qureshi, Aqdas Naveed Malik, ZafarUllah Khan, Wasim Khan
2019 IEEE Access  
In this paper, we develop a novel approach for a joint platform of radar and communication systems.  ...  The previous approaches for dual-function radar-communication systems focused only on the simultaneous transmission of radar and communications in radar active mode.  ...  In [25] , the authors used a time-modulated frequency diverse multiple-input and multiple-output (MIMO) array method for the DFRC system, in which the information embedding occurred via spread sequences  ... 
doi:10.1109/access.2019.2927040 fatcat:oph6bvua6rdcdk6jbjv423feuq

An Experimental Proof of Concept for Integrated Sensing and Communications Waveform Design [article]

Tongyang Xu, Fan Liu, Christos Masouros, Izzat Darwazeh
2022 arXiv   pre-print
We study a trade-off approach that can balance the performance of communications and radar sensing.  ...  We design an orthogonal frequency division multiplexing (OFDM) based multi-user multiple input multiple output (MIMO) software-defined radio (SDR) testbed to validate the dual-functional model.  ...  Each resource block includes seven OFDM symbols and the first resource block has a unique OFDM symbol allocation scheme.  ... 
arXiv:2202.04602v1 fatcat:73xuuzxexzfnponfpskaaxlzhm

Joint Design of the Transmit Beampattern and Angular Waveform for Colocated MIMO Radar under a Constant Modulus Constraint

Hao Zheng, Bo Jiu, Kang Li, Hongwei Liu
2021 Remote Sensing  
In this paper, we investigate the joint design of a transmit beampattern and angular waveform (AW) for colocated multiple-input multiple-output (MIMO) radars.  ...  First, instead of matching a desired template or maximizing the transmit power on specific regions, the transmit beampattern in this paper is optimized to approach several key points, which guarantees  ...  However, for a transmit beampattern with multiple beams, the target locations are known, and the transmit gain of each beam is more important.  ... 
doi:10.3390/rs13173392 fatcat:zhqunkgxtjazfmu67naqyokze4

Array Resource Allocation for Radar and Communication Integration Network

Zhenkai Zhang, Hamid Esmaeili Najafabadi, Henry Leung
2020 Signal Processing  
This paper considers the array allocation problems for multiple target localization and multiple platforms communication in an RCI network.  ...  In this paper, we firstly build a localization and communication model for array allocation in an RCI network.  ...  An array allocation model is developed for multiple channel communication and multiple target localization in an RCI network, which is then converted to a linear model.  ... 
doi:10.1016/j.sigpro.2020.107701 fatcat:jstpz6rbwnc4no27tr3edogzaq

MIMO OFDM Dual-Function Radar-Communication Under Error Rate and Beampattern Constraints [article]

Jeremy Johnston, Luca Venturino, Emanuele Grossi, Marco Lops, Xiaodong Wang
2021 arXiv   pre-print
We adopt a unified design approach allowing a broad family of radar objectives, including both estimation- and detection-oriented merit functions.  ...  The approach is communication-centric, in the sense that a radar-oriented objective is optimized under constraints on the average transmit power, the power leakage towards specific directions, and the  ...  This results in a unified design approach, which modulations, and the control of the sidelobes of the transmit allows the system engineer to reconfigure the radar task at beampattern towards the  ... 
arXiv:2108.10555v2 fatcat:76ge2pz3pve4hh64jtj7h5okvi

Multi-Antenna Joint Radar and Communications: Precoder Optimization and Weighted Sum-Rate vs Probing Power Tradeoff

Chengcheng Xu, Bruno Clerckx, Jianyun Zhang
2020 IEEE Access  
with downlink users and detect the target within the same frequency band.  ...  The tradeoffs between WSR and probing power at target are compared among both proposed transmissions and two practically simpler dual-function implementations i.e., time division and frequency division  ...  It needs pointing out that the maximum probing power design approach used in (9d) and (10) might have drawbacks when extended to the scenario of multiple targets according to [19] . IV.  ... 
doi:10.1109/access.2020.3025156 fatcat:ozky26jm4fggjmeerjl4zvqpky

Sparse Array Beamformer Design for Active and Passive Sensing [article]

Syed Ali Hamza
2021 arXiv   pre-print
schemes and fusing the environment-dependent and environment-independent deigns by developing a hybrid approach.  ...  Sparse sensor placement, with various design objectives, has successfully been employed in diverse application areas, particularly for enhanced parameter estimation and receiver performance.  ...  Figure 3 - 5 : 35 (a) Antenna array multiple sources (NFSDR-approach) (b) Fair gain 10 element antenna array (NFSDR-approach) (c) Hybrid 10 antenna array for multiple desired sources (FSDR)3.4.2 Multiple  ... 
arXiv:2101.06816v1 fatcat:567n7m2wpjba7opqaj25xbopdy

Joint Transmit Waveform and Receive Filter Design for Dual-Function Radar-Communication Systems

Christos G. Tsinos, Aakash Arora, Symeon Chatzinotas, Bjorn Ottersten
2021 IEEE Journal on Selected Topics in Signal Processing  
In this paper, the problem of joint transmit waveform and receive filter design for dual-function radar-communication (DFRC) systems is studied.  ...  A novel framework based on constrained optimization problems is proposed for the joint design of the transmit waveform and the radar receive filter such that different constraints related to the power  ...  For this multiple input-multiple output (MIMO) system, the designed transmit waveform enables the transmission at high information rates to the intended users while maintaining a reliable operation for  ... 
doi:10.1109/jstsp.2021.3112295 fatcat:f3lg4bttmrgj3ae63tizpqcz3q

Integrated Sensing and Communications: Towards Dual-functional Wireless Networks for 6G and Beyond [article]

Fan Liu, Yuanhao Cui, Christos Masouros, Jie Xu, Tony Xiao Han, Yonina C. Eldar, Stefano Buzzi
2021 arXiv   pre-print
We commence by discussing the interplay between sensing and communications (S&C) from a historical point of view, and then consider multiple facets of ISAC and its performance gains.  ...  In this paper, we provide a comprehensive overview on the background, range of key applications and state-of-the-art approaches of Integrated Sensing and Communications (ISAC).  ...  In this section, we will first overview the ISAC waveform design with non-overlapped resource allocation, and then discuss approaches for fully unified waveform design. A.  ... 
arXiv:2108.07165v1 fatcat:mioemikqarcktir2aqxwc7u4wu

2020 Index IEEE Transactions on Signal Processing Vol. 68

2020 IEEE Transactions on Signal Processing  
A Abdelaziz, M., see Brihuega, A., TSP 2020 3603-3618 Abdolee, R., see Ahmadi, M.J., TSP 2020 3808-3823 Abolhasani, M., and Rahmani, M., One-Step Prediction for Discrete Time-Varying Nonlinear Systems  ...  With Unknown Inputs and Correlated Noises; TSP  ...  ., +, TSP 2020 6509-6520 Optimal Resource Allocation for Asynchronous Multiple Targets Tracking in Heterogeneous Radar Networks.  ... 
doi:10.1109/tsp.2021.3055469 fatcat:6uswtuxm5ba6zahdwh5atxhcsy

Terahertz-Band Joint Ultra-Massive MIMO Radar-Communications: Model-Based and Model-Free Hybrid Beamforming [article]

Ahmet M. Elbir and Kumar Vijay Mishra and Symeon Chatzinotas
2021 arXiv   pre-print
(RX), and tracks radar targets by generating multiple beams toward both RX and the targets.  ...  Numerical experiments demonstrate that both techniques outperform the conventional approaches in terms of spectral efficiency and radar beampatterns, as well as exhibiting less hardware cost and computation  ...  Heath, Jr. and three anonymous reviewers whose valuable comments greatly helped in improving the manuscript.  ... 
arXiv:2103.00328v2 fatcat:cs4wg7x22vf6rnxi3wmhuy3io4

Toward Millimeter Wave Joint Radar-Communications: A Signal Processing Perspective [article]

Kumar Vijay Mishra, Bhavani Shankar M. R., Visa Koivunen, Björn Ottersten, Sergiy A. Vorobyov
2019 arXiv   pre-print
Synergistic design of communications and radar systems with common spectral and hardware resources is heralding a new era of efficiently utilizing a limited radio-frequency spectrum.  ...  Novel multiple-input-multiple-output (MIMO) signal processing techniques are required because mmWave JRC systems employ large antenna arrays.  ...  Use of large antenna arrays in mmWave suggests that a feasible JRC approach could be to simply partition the arrays for radar and communications functionalities [14] . C.  ... 
arXiv:1905.00690v2 fatcat:4razrkbgafchdb6dz5qqjslh7e
« Previous Showing results 1 — 15 out of 70 results