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Found 34 papers, 1 papers with code
Heuristic Solution to Joint Deployment and Beamforming Design for STAR-RIS Aided Networks
This paper tackles the deployment challenges of Simultaneous Transmitting and Reflecting Reconfigurable Intelligent Surface (STAR-RIS) in communication systems.
Interference Management for Full-Duplex ISAC in B5G/6G Networks: Architectures, Challenges, and Solutions
In this article, we provide an overview of full-duplex ISAC (FD-ISAC), where a full-duplex radio is used for both wireless sensing and full-duplex communications in B5G/6G networks, with a focus on the fundamental interference management problem in such networks.
Performance Bounds for Passive Sensing in Asynchronous ISAC Systems -- Appendices
This document contains the appendices for our paper titled ``Performance Bounds for Passive Sensing in Asynchronous ISAC Systems."
Sensing in Bi-Static ISAC Systems with Clock Asynchronism: A Signal Processing Perspective
Integrated Sensing and Communications (ISAC) has been identified as a pillar usage scenario for the impending 6G era.
Anchor-points Assisted Uplink Sensing in Perceptive Mobile Networks
The estimates from the first algorithm are then used to compensate for the offsets and generate the angle-Doppler maps.
Sensing Aided Uplink Transmission in OTFS ISAC with Joint Parameter Association, Channel Estimation and Signal Detection
In this work, we study sensing-aided uplink transmission in an integrated sensing and communication (ISAC) vehicular network with the use of orthogonal time frequency space (OTFS) modulation.
Vital Sign Monitoring in Dynamic Environment via mmWave Radar and Camera Fusion
Contact-free vital sign monitoring, which uses wireless signals for recognizing human vital signs (i. e, breath and heartbeat), is an attractive solution to health and security.
Joint Beamforming for RIS-Assisted Integrated Sensing and Communication Systems
However, due to multiple performance metrics used for communication and sensing, the limited degrees-of-freedom (DoF) in optimizing ISAC systems poses a challenge.
Air-Ground Integrated Sensing and Communications: Opportunities and Challenges
The air-ground integrated sensing and communications (AG-ISAC) network, which consists of unmanned aerial vehicles (UAVs) and ground terrestrial networks, offers unique capabilities and demands special design techniques.
Practical Frequency-Hopping MIMO Joint Radar Communications: Design and Experiment
Joint radar and communications (JRC) can realize two radio frequency (RF) functions using one set of resources, greatly saving hardware, energy and spectrum for wireless systems needing both functions.
Simultaneous Beam and User Selection for the Beamspace mmWave/THz Massive MIMO Downlink
We then exploit its beneficial properties for substantially simplifying the joint user and beam selection problem.
Green Joint Communications and Sensing Employing Analog Multi-Beam Antenna Arrays
Most existing JCAS designs are based on digital arrays, analog arrays with tunable phase shifters, or hybrid arrays, which are effective but are generally complicated to design and power inefficient.
Joint Communications and Sensing Employing Optimized MIMO-OFDM Signals
We establish an optimization problem that modifies data symbols on sub-carriers to enhance the above-mentioned signal orthogonality.
Frequency Hopping Joint Radar-Communications with Hybrid Sub-pulse Frequency and Duration
Frequency-hopping (FH) joint radar-communications (JRC) can offer excellent security for integrated sensing and communication systems.
Integration of Radar Sensing into Communications with Asynchronous Transceivers
Clock asynchronism is a critical issue in integrating radar sensing into communication networks.
Fast and Accurate Linear Fitting for Incompletely Sampled Gaussian Function With a Long Tail
Fitting experiment data onto a curve is a common signal processing technique to extract data features and establish the relationship between variables.
Integrated Human Activity Sensing and Communications
In this article, we provide a review of human related sensing in the context of ISAC.
Multiple Correlated Jammers Nullification using LSTM-based Deep Dueling Neural Network
Specifically, recent studies reveal that by deliberately varying the correlations among jamming signals, attackers can effectively vary the jamming channels and thus their nullspace, even when the physical channels remain unchanged.
OTFS-Based Joint Communication and Sensing for Future Industrial IoT
To meet the ever-increasing demands on better wireless communications for IIoT, we propose an orthogonal time-frequency space (OTFS) waveform-based joint communication and radio sensing (JCAS) scheme -- an energy-efficient solution for not only reliable communications but also high-accuracy sensing.
Hybrid Beamforming for RIS-Aided Communications: Fitness Landscape Analysis and Niching Genetic Algorithm
To investigate the number and distribution of local optima, we conduct a fitness landscape analysis on the sum rate maximization problems.
Integrating Low-Complexity and Flexible Sensing into Communication Systems
Extensive simulations validate the superiority of the proposed sensing framework over prior methods in terms of signal-to-IN ratios in RDMs, detecting performance and flexibility.
Multiobjective Bilevel Evolutionary Approach for Off-Grid Direction-of-Arrival Estimation
We formulate a multiobjective off-grid DOA estimation model to realize this idea, by which the source number can be automatically identified together with DOA estimation.
Gridless Evolutionary Approach for Line Spectral Estimation with Unknown Model Order
To overcome the above shortcomings of relaxation, we propose a novel idea of simultaneously estimating the frequencies and model order by means of the atomic $l_0$ norm.
A Low-Complexity Method for FFT-based OFDM Sensing
OFDM sensing is gaining increasing popularity in wideband radar applications as well as in joint communication and radar/radio sensing (JCAS).
Accurate Frequency Estimation with Fewer DFT Interpolations based on Padé Approximation
Frequency estimation is a fundamental problem in many areas.
An Overview of Signal Processing Techniques for Joint Communication and Radar Sensing
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, sharing a single transmitted signal.
Waveform Optimization with Multiple Performance Metrics for Broadband Joint Communication and Radar Sensing
For radar sensing, we consider optimizing one of two metrics, the mutual information or the Cramer-Rao bound.
Uplink Sensing in Perceptive Mobile Networks with Asynchronous Transceivers
We first adopt a cross-antenna cross-correlation (CACC) operation to remove the sensing ambiguity associated with both TOs and CFOs.
Frequency-Hopping MIMO Radar-Based Communications: An Overview
Enabled by the advancement in radio frequency technologies, the convergence of radar and communication systems becomes increasingly promising and is envisioned as a key feature of future 6G networks.
Waveform Design and Accurate Channel Estimation for Frequency-Hopping MIMO Radar-Based Communications
In this paper, we develop accurate methods for a single-antenna communication receiver to estimate timing offset and channel for FH-MIMO DFRC.
Integrating Secure and High-Speed Communications into Frequency Hopping MIMO Radar
How to enhance the physical layer security of FH-MIMO DFRC is vital yet unsolved.
Tensor-based Multi-dimensional Wideband Channel Estimation for mmWave Hybrid Cylindrical Arrays
Channel estimation is challenging for hybrid millimeter wave (mmWave) large-scale antenna arrays which are promising in 5G/B5G applications.
Signal Processing
Nested Hybrid Cylindrical Array Design and DoA Estimation for Massive IoT Networks
As a result, only a small number of RF chains are required to preserve the DoF of the UCyA.
Enabling Joint Communication and Radar Sensing in Mobile Networks -- A Survey
We then introduce a framework of PMN, including the system platform and infrastructure, three types of sensing operations, and signals usable for sensing.
