Jingxian Wu

ORCID: 0000-0003-1167-6930
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About
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Research Areas
  • Advanced Wireless Communication Techniques
  • Wireless Communication Networks Research
  • Advanced MIMO Systems Optimization
  • Cooperative Communication and Network Coding
  • Energy Harvesting in Wireless Networks
  • Distributed Sensor Networks and Detection Algorithms
  • Advanced Wireless Network Optimization
  • Age of Information Optimization
  • Mobile Ad Hoc Networks
  • Error Correcting Code Techniques
  • PAPR reduction in OFDM
  • Terahertz technology and applications
  • Energy Efficient Wireless Sensor Networks
  • Indoor and Outdoor Localization Technologies
  • IoT Networks and Protocols
  • Target Tracking and Data Fusion in Sensor Networks
  • Opportunistic and Delay-Tolerant Networks
  • Wireless Communication Security Techniques
  • Hemodynamic Monitoring and Therapy
  • Smart Grid Security and Resilience
  • RNA Interference and Gene Delivery
  • Advanced Wireless Communication Technologies
  • Gene expression and cancer classification
  • Millimeter-Wave Propagation and Modeling
  • Optical Network Technologies

University of Kang Ning
2025

Peking University
2025

University of Arkansas at Fayetteville
2015-2024

University of Chinese Academy of Sciences
2023-2024

The Affiliated Yongchuan Hospital of Chongqing Medical University
2020-2024

Chongqing Medical University
2017-2024

Chinese Academy of Sciences
2023-2024

Shanghai Institute of Ceramics
2023-2024

Shanghai Ocean University
2024

Harbin University of Science and Technology
2021-2023

In this paper, we consider a scenario where an energy harvesting sensor continuously monitors system and sends time-stamped status updates to destination. The destination keeps track of the through received updates. We use metric Age Information (AoI), time that has elapsed since last update was generated, measure "freshness" information available at Our objective is design optimal online policies minimize long-term average AoI, subject causality constraint sensor. three scenarios, i.e.,...

10.1109/tgcn.2017.2778501 article EN publisher-specific-oa IEEE Transactions on Green Communications and Networking 2017-11-29

A simple, novel, and general method is presented in this paper for approximating the sum of independent or arbitrarily correlated lognormal random variables (RV) by a single RV. The also shown to be applicable lognormal-Rice Suzuki RVs consisting mixture above distributions can easily handled. uses moment generating function (MGF) as tool approximation does so without extremely precise numerical computations at large number points that were required previously proposed methods literature....

10.1109/twc.2007.051000 article EN IEEE Transactions on Wireless Communications 2007-07-01

Providing reliable broadband wireless communications in high mobility environments, such as high-speed railway systems, remains one of the main challenges faced by development next generation systems. This paper provides a systematic review communications. We first summarize list key and opportunities communication then provide comprehensive reviews techniques that can address these utilize unique opportunities. The covers wide spectrum operations, including accurate modeling channels,...

10.1109/access.2016.2518085 article EN cc-by-nc-nd IEEE Access 2016-01-01

Mobile Edge Computing (MEC) is one of the most promising techniques for next-generation wireless communication systems. In this paper, we study problem dynamic caching, computation offloading, and resource allocation in cache-assisted multi-user MEC systems with stochastic task arrivals. There are multiple computationally intensive tasks system, each User (MU) needs to execute a either locally or remotely more servers by offloading data. Popular can be cached avoid duplicates offloading. The...

10.23919/icn.2020.0014 article EN cc-by-nc-nd Intelligent and Converged Networks 2020-09-01

A statistical discrete-time model is proposed for simulating wideband multiple-input multiple-output (MIMO) fading channels which are triply selective due to angle spread, Doppler and delay spread. The new MIMO channel includes the combined effects of transmit filter, physical multipath fading, receive it has same sampling period as that receiver. This leads very efficient simulation continuous-time channels. method also presented efficiently generate stochastic coefficients. accuracy...

10.1109/twc.2004.833444 article EN IEEE Transactions on Wireless Communications 2004-09-01

Nod-like receptor protein 3 (NLRP3) inflammasome is a crucial contributor in the inflammatory process during cerebral ischemia/reperfusion (I/R) injury. ATF4 plays pivotal role pathogenesis of I/R injury, however, its function and underlying mechanism are not fully characterized yet. In current study, we examined whether ameliorates injury by inhibiting NLRP3 activation mitophagy involved this process. addition, explored parkin ATF4-mediated protective effects. Method: To address these...

10.3390/cells8080897 article EN cc-by Cells 2019-08-14

In this paper, we develop a unified dynamic intelligent reflecting surface (IRS) beamforming framework to boost the sum computation rate of an IRS-aided mobile edge computing (MEC) system, where each device follows binary offloading policy. Specifically, task has be either executed locally or offloaded MEC servers as whole with aid given number IRS vectors available. By flexibly controlling times for reconfiguring phase-shifts, system can achieve balance between performance and associated...

10.1109/jsac.2022.3228605 article EN IEEE Journal on Selected Areas in Communications 2022-12-12

Recent research in underwater acoustic communications has taken advantage of MIMO technologies to achieve reliable communication with 10-100 times increase data rate comparison traditional systems. The powerful turbo equalization and FEC coding techniques enable both single-carrier modulation OFDM systems combat triply selective UWA channels. This article reviews the time-domain frequency-domain equalizer schemes for SCM Low-complexity are presented linear equalizers soft decision feedback...

10.1109/mcom.2015.7321975 article EN IEEE Communications Magazine 2015-11-01

The optimum energy efficient and spectral designs for type-I automatic-repeat-request (ARQ) systems in Rayleigh flat fading channels are studied this paper. Three considered: the first scheme maximizes efficiency (EE), or equivalently, minimizes total per information bit without considering (SE); second a new metric, normalized by SE; third EE under constraint of minimum SE. For given physical link layer parameters, such as hardware power consumption, coding rate, modulation, number overhead...

10.1109/jsac.2014.141215 article EN IEEE Journal on Selected Areas in Communications 2014-01-24

This paper investigates terahertz (THz) imaging and classification of freshly excised murine xenograft breast cancer tumors. These tumors are grown via injection E0771 adenocarcinoma cells into the flank mice maintained on high-fat diet. Within 1 h excision, tumor adjacent tissues imaged using a pulsed THz system in reflection mode. The images classified statistical Bayesian mixture model with unsupervised supervised approaches. Correlation digitized pathology is conducted assigned by modal...

10.1117/1.jbo.23.2.026004 article EN Journal of Biomedical Optics 2018-02-14

This article discusses optimum designs of photovoltaic (PV) systems with battery energy storage system (BESS) by using real-world data. Specifically, we identify the size PV panels, capacity BESS, and scheduling BESS charging/discharging, such that long-term overall cost, including both utility bills system, is minimized. The optimization performed considering a plethora parameters, as usage, weather, geographic location, inflation, efficiency, aging effects solar panels BESS. To capture...

10.1109/tem.2020.2971246 article EN publisher-specific-oa IEEE Transactions on Engineering Management 2020-03-02

Abstract Biofilms serve as crucial cues for settlement and metamorphosis in marine invertebrates. Within bacterial systems, c-di-GMP functions a pivotal signaling molecule regulating both biofilm formation dispersion. However, the molecular mechanism of how modulates biofilm-induced larval remains elusive. Our study reveals that deletion related gene Pseudoalteromonas marina led to an increase level by knockout technique, mutant strain had enhanced ability produce more outer membrane...

10.1038/s41522-024-00508-6 article EN cc-by npj Biofilms and Microbiomes 2024-04-04

This paper studies the optimum system design that can maximize spectral efficiency of high mobility wireless communication systems with imperfect channel state information (CSI). The fast time-varying fading in be tracked pilot-assisted estimation. percentage pilot symbols transmitted plays a critical role on performance: higher yields more accurate estimation, but also overhead. effects are quantified through derivation estimation mean squared error (MSE), which is expressed as closed-form...

10.1109/twc.2014.012314.130772 article EN IEEE Transactions on Wireless Communications 2014-01-31

The objective of this paper is to quantify the fundamental tradeoff between Doppler diversity and channel estimation errors in high mobility systems. Fast fading variation systems introduces that can benefit system performance. On other hand, it more difficult estimate track a fast changing channel, thus are non-negligible they may seriously degrade Such relationship studied by identifying exact analytical expressions two performance metrics: maximum order achievable with imperfect state...

10.1109/twc.2015.2463276 article EN IEEE Transactions on Wireless Communications 2015-07-31

Employing massively distributed antennas brings radio access points (RAPs) closer to users, thus enables aggressive spectrum reuse that can bridge gaps between the scarce resource and extremely high connection densities in future wireless systems. Examples include cloud network (C-RAN), ultra-dense (UDN), cell-free massive multiple-input multiple-output (MIMO) These systems are usually designed form of fiber-wireless communications (FWC), where or RAPs connected a central unit (CU) through...

10.1109/mvt.2020.3018100 article EN IEEE Vehicular Technology Magazine 2020-09-30

Aberrations in the Hedgehog (Hh) signaling pathway are significantly prevailed various cancers, including B-cell lymphoma. A critical facet of Hh signal transduction involves dynamic regulation suppressor fused homolog (SUFU)-glioma-associated oncogene (GLI) complex within kinesin family member 7 (KIF7)-supported ciliary tip compartment. However, specific post-translational modifications SUFU-GLI this context have remained largely unexplored. Our study reveals a novel regulatory mechanism...

10.1038/s41375-024-02313-8 article EN cc-by Leukemia 2024-06-22

Designing an ECG sensor circuit requires a comprehensive approach to detect, amplify, filter, and condition the weak electrical signals produced by heart. To evaluate performance under realistic conditions, diverse with embedded watermarks are generated, enabling assessment of how effectively its signal-conditioning circuitry handle these modified signals. A Variational Autoencoder (VAE) framework is employed generate watermarked signals, addressing critical concerns in digital era, such as...

10.3390/s25072321 article EN cc-by Sensors 2025-04-05

A simple and novel method is presented to approximate the distribution of sum independent, but not necessarily identical, lognormal random variables, by distribution. It shown that matching a short Gauss-Hermite approximation moment generating function with leads an accurate approximation. The advantage proposed over ones in literature, such as Fenton-Wilkinson method, Schwartz-Yeh recently Beaulieu-Xie it provides parametric flexibility handle inevitable trade-off needs be made...

10.1109/glocom.2005.1578407 article EN GLOBECOM '05. IEEE Global Telecommunications Conference, 2005. 2005-01-01

In this paper, an enhanced linear minimum mean square error (LMMSE) turbo equalization scheme is proposed for multiple-input multiple-output (MIMO) communication systems with bit-interleaved coded modulation (BICM) in the time domain and multiplexing space domain. The outperforms conventional LMMSE by adopting two new signal processing techniques. First, it performs hybrid soft interference cancellation (HSOIC) subtracting decisions of interfering symbols, are calculated using a priori...

10.1109/tsp.2011.2147782 article EN IEEE Transactions on Signal Processing 2011-05-03

Spectral efficiency is a key characteristic of cellular communications systems, as it quantifies how well the scarce spectrum resource utilized. It influenced by scheduling algorithm signal and interference statistics, which, in turn, depend on propagation characteristics. In this paper we derive analytical expressions for short-term long-term channel-averaged spectral efficiencies round robin, greedy Max-SINR, proportional fair schedulers, which are popular cover wide range system...

10.1109/tcomm.2011.110711.100510 article EN IEEE Transactions on Communications 2011-11-23

Efficient intracellular delivery of exogenous macromolecules is a key operation in biological research and for clinical applications. Moreover, under particular vitro or ex vivo conditions, harvesting the engineered cells that maintain good viability also important. However, none methods currently available truly satisfactory all respects. Herein, "two-in-one" platform based on polydopamine/poly( N-isopropylacrylamide) (PDA/PNIPAAm) hybrid film developed, showing high efficiency both cargo...

10.1021/acsami.9b01586 article EN ACS Applied Materials & Interfaces 2019-03-12
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