A5032927520- Advanced Wireless Communication Techniques
- PAPR reduction in OFDM
- Radar Systems and Signal Processing
- Wireless Communication Networks Research
- Indoor and Outdoor Localization Technologies
- Advanced MIMO Systems Optimization
- Millimeter-Wave Propagation and Modeling
- Antenna Design and Optimization
- Antenna Design and Analysis
- Full-Duplex Wireless Communications
- Cooperative Communication and Network Coding
- Microwave Engineering and Waveguides
- Direction-of-Arrival Estimation Techniques
- Power Line Communications and Noise
- Ultra-Wideband Communications Technology
- Advanced SAR Imaging Techniques
- Sparse and Compressive Sensing Techniques
- Microwave Imaging and Scattering Analysis
- Advanced Wireless Network Optimization
- Optical Network Technologies
- Electromagnetic Compatibility and Measurements
- Radio Frequency Integrated Circuit Design
- Advanced Wireless Communication Technologies
- Wireless Body Area Networks
- Advanced Photonic Communication Systems
University of Technology Sydney
2016-2025
Northeastern University
2024
National University of Singapore
2002-2024
Wuhan University of Science and Technology
2024
Fujian Medical University
2022-2024
Inner Mongolia University
2023
Nokia (China)
2023
Brookhaven National Laboratory
2015-2023
Peking University
1993-2023
Peking University Cancer Hospital
2023
Mobile network is evolving from a communication-only towards one with joint communication and radar/radio sensing (JCAS) capabilities, that we call perceptive mobile (PMN). Radio here refers to information retrieval received signals for objects of interest in the environment surrounding radio transceivers, it may go beyond functions localization, tracking, object recognition traditional radar. In PMNs, JCAS integrates into communications, sharing majority system modules same transmitted...
This white paper explores the road to implementing broadband connectivity in future 6G wireless systems. Different categories of use cases are considered, from extreme capacity with peak data rates up 1 Tbps, raising typical by orders-of-magnitude, support at railway speeds 1000 km/h. To achieve these goals, not only terrestrial networks will be evolved but they also integrated satellite networks, all facilitating autonomous systems and various interconnected structures. We believe that...
A massive hybrid array consists of multiple analog subarrays, with each subarray having its digital processing chain. It offers the potential advantage balancing cost and performance for arrays therefore serves as an attractive solution future millimeter-wave (mm- Wave) cellular communications. On one hand, using beamforming subarrays such phased arrays, configuration can effectively collect or distribute signal energy in sparse mm-Wave channels. other chains provide multiplexing capability...
Future 5th generation networks are expected to enable three key services-enhanced mobile broadband, massive machine type communications and ultra-reliable low latency (URLLC). As per the 3rd partnership project URLLC requirements, it is that reliability of one transmission a 32 byte packet will be at least 99.999% most 1 ms. This unprecedented level yield various new applications, such as smart grids, industrial automation intelligent transport systems. In this survey we present potential...
Beamforming has a great potential for joint communication and radar sensing (JCAS), which is becoming demanding feature on many emerging platforms, such as unmanned aerial vehicles smart cars. Although beamforming been extensively studied respectively, its application in the system not straightforward due to different requirements by sensing. In this paper, we propose novel multibeam framework using steerable analog antenna arrays, allows seamless integration of Different conventional JCAS...
In this paper, we develop a framework for novel perceptive mobile/cellular network that integrates radar sensing function into the mobile communication network. We propose unified system platform enables downlink and uplink sensing, sharing same transmitted signals with communications. aim to tackle fundamental parameter estimation problem in networks, by addressing two key challenges associated sophisticated rich multipath networks. To extract parameters from orthogonal frequency division...
Joint communication and radar/radio sensing (JCAS), also known as dual-function radar communications, enables the integration of radio into one system, sharing a single transmitted signal. The perceptive mobile network (PMN) is natural evolution JCAS from simple point-to-point links to mobile/cellular with integrated radio-sensing capability. In this article, we present system architecture that unifies three types sensing, investigate required modifications existing networks, exemplify...
As demand for wireless connectivity increases, communication technology is moving toward integrating terrestrial networks with space networks. Creating this integrated and network (ISTN) critically important industries such as logistics, mining, agriculture, fisheries, defense. However, a number of significant technological challenges must be overcome ISTN through low-cost airborne platforms high-data-rate backbone links.
Owing to the excessive demand on signal processing and space constraint, a full digital implementation of large adaptive antenna array at millimeter wave frequencies is very challenging. Targeted long range high data rate point-to-point link in 70/80 GHz bands, novel hybrid which consists analogue subarrays followed by beamformer presented this paper overcome difficulty. Two subarray configurations, interleaved side-by-side subarray, are proposed, two Doppler resilient angle-of-arrival...
This paper explores the road to vastly improving broadband connectivity in future 6G wireless systems. Different categories of use cases are considered, with peak data rates up 1 Tbps. Several enablers at infrastructure, spectrum, and protocol/algorithmic levels required realize intended goals 6G. At infrastructure level, we consider ultra-massive MIMO technology (possibly implemented using holographic radio), intelligent reflecting surfaces, user-centric cell-free networking, integrated...
Perceptive mobile network (PMN) is a recently proposed next-generation that integrates radar sensing into communications. One major challenge for realizing in PMNs how to deal with spatially-separated asynchronous transceivers. The asynchrony between receiver and transmitter will cause both timing offsets (TOs) carrier frequency (CFOs) lead degraded accuracy ranging velocity measurements. In this paper, we propose an uplink scheme transceivers, targeting at resolving the ambiguity improving...
Integrating sensing into standardized communication systems can potentially benefit many consumer applications that require both radio frequency functions. However, without an effective method, such integration may not achieve the expected gains of cost and energy efficiency. Existing methods, which use payload signals, either have limited performance or suffer from high complexity. In this paper, we develop a novel flexible framework has complexity only dominated by Fourier transform also...
Multiple independent Rayleigh fading waveforms are often required for the simulation of wireless communications channels. Jakes (1974) model and its derivatives based on sum-of-sinusoids provide simple simulators, but they have major shortcomings in their simulated correlation functions. A novel is proposed verified, which generates processes satisfying theoretical independence requirements providing desired power spectral densities with ideal second-order moment. The effects replacing...
A solution to the power leakage minimization problem in discrete Fourier transform (DFT) based communication systems is presented. In a conventional DFT system, modulated subcarriers exhibit high sidelobe levels, which leads significant out-of-band leakage. Existing techniques found literature either do not achieve sufficient suppression or suffer from spectral efficiency loss. Precoding can be seen as general linear processing method for reduction, however, how design optimal precoder still...
Sidelobe suppression, or out-of-band emission reduction, in multicarrier systems is conventionally achieved via time-domain windowing which spectrum inefficient. Although some sidelobe cancellation and signal predistortion techniques have been proposed for shaping, they are generally not well balanced between complexity suppression performance. In this paper, an efficient low-complexity with orthogonal projection (SSOP) scheme proposed. The SSOP uses matrix adopts as few one reserved...
The sparse code multiple access (SCMA) is a promising candidate for bandwidth-efficient next generation wireless communications, since it can support more users than the number of resource elements.On same note, faster-than-Nyquist (FTN) signaling also be used to improve spectral efficiency.Hence in this paper, we consider combined uplink FTN-SCMA system which data symbols corresponding user are further packed using FTN signaling.As result, higher efficiency achieved at cost introducing...
Frequency-hopping (FH) MIMO radar-based dual-function radar communication (FH-MIMO DFRC) enables symbol rate to exceed pulse repetition frequency, which requires accurate estimations of timing offset and channel parameters. The estimations, however, are challenging due unknown, fast-changing hopping frequencies the multiplicative coupling between In this paper, we develop methods for a single-antenna receiver estimate FH-MIMO DFRC. First, design novel waveform, frequency sequence (HFS) used...
Passive localization based on time of arrival (TOA) measurements is investigated, where the transmitted signal reflected by a passive target and then received at several distributed receivers. After collecting all receivers, we can determine location. The aim this paper to provide unified factor graph-based framework for in wireless sensor networks TOA measurements. Relying linearization range measurements, construct Forney-style graph model conceive corresponding Gaussian message passing...
Clock asynchronism is a critical issue in integrating radar sensing into communication networks. It can cause ranging ambiguity and prevent coherent processing of discontinuous measurements integration with asynchronous transceivers. Should it be resolved, efficiently realized networks, requiring few network infrastructure hardware changes. This article provides systematic overview existing potential new techniques for tackling this fundamental problem. We first review solutions, including...
Recently, distributed data storage (DDS) for Wireless Sensor Networks (WSNs) has attracted great attention, especially in catastrophic scenarios. Since power consumption is one of the most critical factors that affect lifetime WSNs, energy efficiency DDS WSNs investigated this paper. Based on Compressed Sensing (CS) and network coding theories, we propose a Network Coding based Distributed Storage (CNCDS) scheme by exploiting correlation sensor readings. The CNCDS achieves high reducing...
Porcine reproductive and respiratory syndrome (PRRS) has become an economically critical factor in swine industry since its worldwide spread the 1990s. Infection by causative agent, PRRS virus (PRRSV), was proven to be mediated indispensable receptor, porcine CD163 (pCD163), fifth scavenger receptor cysteine-rich domain (SRCR5) is essential for infection. However, structural details specific residues of pCD163 SRCR5 involved infection have not been defined yet. In this study, we prepared...
A multitap adaptive filter with analog least mean-square (ALMS) loop is proposed in this paper for effective and low complexity self-interference cancellation implemented as part of the radio frequency frontend a full duplex transceiver. Comprehensive analyses ALMS loop's behaviors at both micro macroscales are presented wireless communication system single carrier signaling. It revealed that there always an irreducible residual interference due to cyclostationary property transmitted...
Joint communication and radio sensing (JCAS) in millimeter-wave (mmWave) systems requires the use of a steerable beam. For analog antenna arrays, single beam is typically used, which limits area within direction communication. Multibeam technology can overcome this limitation by separately generating package-level direction-varying subbeams fixed then combine them coherently. In paper, we investigate optimal combination two quantization beamforming (BF) vector that generates combined When...
Enabled by the advancement in radio frequency technologies, convergence of radar and communication systems becomes increasingly promising is envisioned as a key feature future sixth-generation networks. Recently, frequency-hopping (FH) MIMO has been introduced to underlay dual-function radar-communication (DFRC) systems. Superior many previous radar-centric DFRC designs, symbol rate FH-MIMO radar-based (FH-MIMO DFRC) can exceed pulse repetition frequency. However, practical issues,...