Publications (163)
Joint Optimization of Preamble Selection and Access Barring for MTC with Correlated Device Activities
Wang Liu, Ying Cui, Lianghui Ding +4
Most existing works on random access for machine-type communication (MTC) assume independent device activities. However, in several Internet-of-Things (IoT) applications, device ac…
Lipschitz stability of least-squares problems regularized by functions with -cone reducible conjugates
Ying Cui, Tim Hoheisel, Tran T. A. Nghia +1
In this paper, we study Lipschitz continuity of the solution mappings of regularized least-squares problems for which the convex regularizers have (Fenchel) conjugates that are $\m…
On the Asymptotic Superlinear Convergence of the Augmented Lagrangian Method for Semidefinite Programming with Multiple Solutions
Ying Cui, Defeng Sun, Kim-Chuan Toh
Solving large scale convex semidefinite programming (SDP) problems has long been a challenging task numerically. Fortunately, several powerful solvers including SDPNAL, SDPNAL+ and…
Probing the nucleon effective mass splitting with the light particle emission
Fang-Yuan Wang, Jun-Ping Yang, Xiang Chen +5
In this work, we first analyze the correlations among different nuclear matter parameters which are obtained by the 119 effective Skyrme interaction sets. The values of the correla…
Robust Optimization of Instantaneous Beamforming and Quasi-static Phase Shifts in an IRS-assisted Multi-Cell Network
Yuhang Jia, Ying Cui, Wuyang Jiang
The impacts of channel estimation errors, inter-cell interference, phase adjustment cost, and computation cost on an intelligent reflecting surface (IRS)-assisted system are severe…
Jointly Sparse Support Recovery via Deep Auto-encoder with Applications in MIMO-based Grant-Free Random Access for mMTC
Wanqing Zhang, Shuaichao Li, Ying Cui
In this paper, a data-driven approach is proposed to jointly design the common sensing (measurement) matrix and jointly support recovery method for complex signals, using a standar…
Optimal Caching and User Association in Cache-enabled Heterogeneous Wireless Networks
Ying Cui, Fan Lai, Stephen Hanly +1
Heterogenous wireless networks (Hetnets) provide a powerful approach to meet the massive growth in traffic demands, but also impose a significant challenge on backhaul. Caching at…
Optimization and Optimizers for Adversarial Robustness
Hengyue Liang, Buyun Liang, Le Peng +3
Empirical robustness evaluation (RE) of deep learning models against adversarial perturbations entails solving nontrivial constrained optimization problems. Existing numerical algo…
Variational Theory and Algorithms for a Class of Asymptotically Approachable Nonconvex Problems
Hanyang Li, Ying Cui
We investigate a class of composite nonconvex functions, where the outer function is the sum of univariate extended-real-valued convex functions and the inner function is the limit…
The Minimization of Piecewise Functions: Pseudo Stationarity
Ying Cui, Junyi Liu, Jong-Shi Pang
There are many significant applied contexts that require the solution of discontinuous optimization problems in finite dimensions. Yet these problems are very difficult, both compu…
Multispectral radiation temperature inversion based on Transformer-LSTM-SVM
Ying Cui, Kongxin Qiu, Shan Gao +7
The key challenge in multispectral radiation thermometry is accurately measuring emissivity. Traditional constrained optimization methods often fail to meet practical requirements…
Stochastic Throughput Optimization for Two-hop Systems with Finite Relay Buffers
Bo Zhou, Ying Cui, Meixia Tao
Optimal queueing control of multi-hop networks remains a challenging problem even in the simplest scenarios. In this paper, we consider a two-hop half-duplex relaying system with r…
Delay-Optimal Power and Subcarrier Allocation for OFDMA Systems via Stochastic Approximation
Vincent K. N. Lau, Ying Cui
In this paper, we consider delay-optimal power and subcarrier allocation design for OFDMA systems with subcarriers, mobiles and one base station. There are queues at…
Scaled VIP Algorithms for Joint Dynamic Forwarding and Caching in Named Data Networks
Fan Lai, Feng Qiu, Wenjie Bian +2
Emerging Information-Centric Networking (ICN) architectures seek to optimally utilize both bandwidth and storage for efficient content distribution over the network. The Virtual In…
Analysis and Optimization of Caching and Multicasting in Large-Scale Cache-Enabled Wireless Networks
Ying Cui, Dongdong Jiang, Yueping Wu
Caching and multicasting at base stations are two promising approaches to support massive content delivery over wireless networks. However, existing analysis and designs do not ful…
On Efficient and Scalable Computation of the Nonparametric Maximum Likelihood Estimator in Mixture Models
Yangjing Zhang, Ying Cui, Bodhisattva Sen +1
In this paper we study the computation of the nonparametric maximum likelihood estimator (NPMLE) in multivariate mixture models. Our first approach discretizes this infinite dimens…
A Survey on Delay-Aware Resource Control for Wireless Systems --- Large Deviation Theory, Stochastic Lyapunov Drift and Distributed Stochastic Learning
Ying Cui, Vincent K. N. Lau, Rui Wang +2
In this tutorial paper, a comprehensive survey is given on several major systematic approaches in dealing with delay-aware control problems, namely the equivalent rate constraint a…
Impact parameter smearing effects on isospin sensitive observables in heavy ion collisions
Li Li, Yingxun Zhang, Zhuxia Li +3
The validity of impact parameter estimation from the multiplicity of charged particles at low-intermediate energies is checked within the framework of ImQMD model. The simulations…
Temporal-Spatial Aggregation for Cache-Enabled Wireless Multicasting Networks with Asynchronous Content Requests
Jifang Xing, Ying Cui, Vincent Lau
Existing multicasting schemes for massive content delivery do not fully utilize multicasting opportunities in delay tolerant content-oriented applications. In this paper, we propos…
Investigation of the neutron-proton effective mass splitting via heavy ion collisions: Constraints and Implications
Junping Yang, Meiqi Sun, Ying Cui +4
The neutron-proton effective mass splitting () is investigated through analyses of heavy-ion collisions using the improved quantum molecular dynamics (ImQMD) model with…
Analysis and Optimization of A Double-IRS Cooperatively Assisted System with A Quasi-Static Phase Shift Design
Gengfa Ding, Feng Yang, Lianghui Ding +1
The analysis and optimization of single intelligent reflecting surface (IRS)-assisted systems have been extensively studied, whereas little is known regarding multiple-IRS-assisted…
Learning Interpretable Point-Based Clinical Risk Scores via Direct Optimization
Ying Cui, Albert M Li, Vivek Charu +3
Many clinical risk scores are deployed as additive rules with nonnegative integer points assigned to relevant binary predictive features. These integer weights not only make the sc…
On Algorithms for Projection onto the Top--sum Sublevel Set
Jake Roth, Ying Cui
The \emph{top--sum} operator computes the sum of the largest components of a given vector. The Euclidean projection onto the top--sum sublevel set serves as a crucial sub…
Jointly Sparse Signal Recovery and Support Recovery via Deep Learning with Applications in MIMO-based Grant-Free Random Access
Ying Cui, Shuaichao Li, Wanqing Zhang
In this paper, we investigate jointly sparse signal recovery and jointly sparse support recovery in Multiple Measurement Vector (MMV) models for complex signals, which arise in man…
Adaptive Streaming of 360 Videos with Perfect, Imperfect, and Unknown FoV Viewing Probabilities in Wireless Networks
Lingzhi Zhao, Ying Cui, Zhi Liu +2
This paper investigates adaptive streaming of one or multiple tiled 360 videos from a multi-antenna base station (BS) to one or multiple single-antenna users, respectively, in a mu…
Optimal Dynamic Multicast Scheduling for Cache-Enabled Content-Centric Wireless Networks
Bo Zhou, Ying Cui, Meixia Tao
Caching and multicasting at base stations are two promising approaches to support massive content delivery over wireless networks. However, existing scheduling designs do not make…
Exact Reformulation and Optimization for Direct Metric Optimization in Binary Imbalanced Classification
Le Peng, Yash Travadi, Chuan He +2
For classification with imbalanced class frequencies, i.e., imbalanced classification (IC), standard accuracy is known to be misleading as a performance measure. While most existin…
Jointly Sparse Signal Recovery via Deep Auto-Encoder and Parallel Coordinate Descent Unrolling
Shuaichao Li, Wanqing Zhang, Ying Cui
In this paper, utilizing techniques in compressed sensing, parallel optimization and deep learning, we propose a model-driven approach to jointly design the common measurement matr…
Nonconvex and Nonsmooth Approaches for Affine Chance-Constrained Stochastic Programs
Ying Cui, Junyi Liu, Jong-Shi Pang
Chance-constrained programs (CCPs) constitute a difficult class of stochastic programs due to its possible nondifferentiability and nonconvexity even with simple linear random func…
Uncoded Placement Optimization for Coded Delivery
Sian Jin, Ying Cui, Hui Liu +1
We consider the classical coded caching problem as defined by Maddah-Ali and Niesen, where a server with a library of files of equal size is connected to users via a shared…
Device Activity Detection for Massive Grant-Free Access Under Frequency-Selective Rayleigh Fading
Yuhang Jia, Ying Cui, Wuyang Jiang
Device activity detection and channel estimation for massive grant-free access under frequency-selective fading have unfortunately been an outstanding problem. This paper aims to a…
Queue-Aware Dynamic Clustering and Power Allocation for Network MIMO Systems via Distributive Stochastic Learning
Ying Cui, Qingqing Huang, Vincent K. N. Lau
In this paper, we propose a two-timescale delay-optimal dynamic clustering and power allocation design for downlink network MIMO systems. The dynamic clustering control is adaptive…
Delay-aware BS Discontinuous Transmission Control and User Scheduling for Energy Harvesting Downlink Coordinated MIMO Systems
Ying Cui, Vincent K. N. Lau, Yueping Wu
In this paper, we propose a two-timescale delay-optimal base station Discontinuous Transmission (BS-DTX) control and user scheduling for downlink coordinated MIMO systems with ener…
Sensing in Low-altitude Wireless Networks: Systems, Techniques, and Developments
Zihao Tao, Yiming Zhao, Hongtao Zhao +2
The highly dynamic and safety-critical characteristics of low-altitude airspace render sensing an indispensable component of low-altitude wireless networks (LAWN). Although sensing…
Effect of energy conservation on in-medium $\mbox{NN}\to \mbox{N}Î$ cross section in isospin-asymmetric nuclear matter
Ying Cui, Yingxun Zhang, Zhuxia Li
In this paper, the in-medium cross section is calculated in the framework of the one-boson exchange model by including the isovector mesons, i.e. and …
New Order-Optimal Decentralized Coded Caching Schemes with Good Performance in the Finite File Size Regime
Sian Jin, Ying Cui, Hui Liu +1
A decentralized coded caching scheme based on independent random content placement has been proposed by Maddah-Ali and Niesen, and has been shown to achieve an order-optimal memory…
Probing the neutron-skin of unstable nuclei with heavy ion collisions
Junping Yang, Xiang Chen, Ying Cui +2
To improve the constraints of symmetry energy at subsaturation density, measuring and accumulating more neutron skin data for neutron rich unstable nuclei is naturally required. Ai…
End-to-end feature fusion siamese network for adaptive visual tracking
Dongyan Guo, Jun Wang, Weixuan Zhao +3
According to observations, different visual objects have different salient features in different scenarios. Even for the same object, its salient shape and appearance features may…
Joint Service Caching and Computing Resource Allocation for Edge Computing-Enabled Networks
Mingun Kim, Hewon Cho, Ying Cui +1
In this paper, we consider the service caching and the computing resource allocation in edge computing (EC) enabled networks. We introduce a random service caching design consideri…
Analysis and Optimization of Successful Symbol Transmission Rate for Grant-free Massive Access with Massive MIMO
Gang Chen, Ying Cui, Hei Victor Cheng +2
Grant-free massive access is an important technique for supporting massive machine-type communications (mMTC) for Internet-of-Things (IoT). Two important features in grant-free mas…
Joint Optimal Software Caching, Computation Offloading and Communications Resource Allocation for Mobile Edge Computing
Wanli Wen, Ying Cui, Tony Q. S. Quek +2
As software may be used by multiple users, caching popular software at the wireless edge has been considered to save computation and communications resources for mobile edge comput…
On the R-superlinear convergence of the KKT residues generated by the augmented Lagrangian method for convex composite conic programming
Ying Cui, Defeng Sun, Kim-Chuan Toh
Due to the possible lack of primal-dual-type error bounds, the superlinear convergence for the Karush-Kuhn-Tucker (KKT) residues of the sequence generated by augmented Lagrangian m…
DiffCalib: Reformulating Monocular Camera Calibration as Diffusion-Based Dense Incident Map Generation
Xiankang He, Guangkai Xu, Bo Zhang +3
Monocular camera calibration is a key precondition for numerous 3D vision applications. Despite considerable advancements, existing methods often hinge on specific assumptions and…
A tighter constraint on Earth-system sensitivity from long-term temperature and carbon-cycle observations
Tony E. Wong, Ying Cui, Dana L. Royer +1
The long-term temperature response to a given change in CO2 forcing, or Earth-system sensitivity (ESS), is a key parameter quantifying our understanding about the relationship betw…
Dynamic Partial Cooperative MIMO System for Delay-Sensitive Applications with Limited Backhaul Capacity
Ying Cui, Vincent K. N. Lau, Huang Huang
Considering backhaul consumption in practical systems, it may not be the best choice to engage all the time in full cooperative MIMO for interference mitigation. In this paper, we…
Subgradient Regularization: A Descent-Oriented Subgradient Method for Nonsmooth Optimization
Hanyang Li, Ying Cui
In nonsmooth optimization, a negative subgradient is not necessarily a descent direction, making the design of convergent descent methods based on zeroth-order and first-order info…
On the convergence properties of a majorized ADMM for linearly constrained convex optimization problems with coupled objective functions
Ying Cui, Xudong Li, Defeng Sun +1
In this paper, we establish the convergence properties for a majorized alternating direction method of multipliers (ADMM) for linearly constrained convex optimization problems whos…
Bayesian method for quantifying the non-Gaussian fluctuations in low-intermediate energy heavy ion collisions
Xinyu Wang, Xiang Chen, Junping Yang +4
In this work, we present a model-independent method to quantify the non-Gaussian fluctuations in the observable distributions, which are assessed by the difference between the meas…
The Possible Heavy Tetraquarks , and
Ying Cui, Xiao-Lin Chen, Wei-Zhen Deng +1
Assuming X(3872) is a tetraquark and using its mass as input, we perform a schematic study of the masses of possible heavy tetraquarks using the color-magnetic i…
Decomposition and Successive Decomposition Methods and Algorithms for Nonconvex Optimization
Yiqing Zhai, Ying Cui, Danny H. K. Tsang
Existing results on decomposition methods and algorithms for nonconvex problems are minimal. Parallel decomposition algorithms do not exist for nonconvex problems with coupling non…
Imbalanced Classification in Medical Imaging via Regrouping
Le Peng, Yash Travadi, Rui Zhang +2
We propose performing imbalanced classification by regrouping majority classes into small classes so that we turn the problem into balanced multiclass classification. This new idea…
Optimization-Based GenQSGD for Federated Edge Learning
Yangchen Li, Ying Cui, Vincent Lau
Optimal algorithm design for federated learning (FL) remains an open problem. This paper explores the full potential of FL in practical edge computing systems where workers may hav…
User-Centric Interference Nulling in Downlink Multi-Antenna Heterogeneous Networks
Yueping Wu, Ying Cui, Bruno Clerckx
Heterogeneous networks (HetNets) have strong interference due to spectrum reuse. This affects the signal-to-interference ratio (SIR) of each user, and hence is one of the limiting…
In-medium pion dispersion relation and medium correction of near the threshold energy of pion production
Ying Cui, Yingxun Zhang, Zhuxia Li
Transport models cannot simultaneously explain very recent data on pion multiplicities and pion charged ratios of Sn+Sn in the reaction at 0.27 A GeV. This stimulates further inves…
Low Complexity Algorithms for Robust Multigroup Multicast Beamforming
Guangda Zang, Hei Victor Cheng, Ying Cui +4
Existing methods for robust multigroup multicast beamforming obtain feasible points using semidefinite relaxation (SDR) and Gaussian randomization, and have high computational comp…
Joint Optimization of Preamble Selection and Access Barring for Random Access in MTC with General Device Activities
Wang Liu, Ying Cui, Feng Yang +2
Most existing random access schemes for machine-type communications (MTC) simply adopt a uniform preamble selection distribution, irrespective of the underlying device activity dis…
Rate Splitting for Multi-Antenna Downlink: Precoder Design and Practical Implementation
Zheng Li, Chencheng Ye, Ying Cui +2
Rate splitting (RS) is a potentially powerful and flexible technique for multi-antenna downlink transmission. In this paper, we address several technical challenges towards its pra…
COMETS: Coordinated Multi-Destination Video Transmission with In-Network Rate Adaptation
Yulong Zhang, Ying Cui, Zili Meng +2
Large-scale video streaming events attract millions of simultaneous viewers, stressing existing delivery infrastructures. Client-driven adaptation reacts slowly to shared congestio…
Energy-efficient Cooperative Offloading for Edge Computing-enabled Vehicular Networks
Hewon Cho, Ying Cui, Jemin Lee
Edge computing technology has great potential to improve various computation-intensive applications in vehicular networks by providing sufficient computation resources for vehicles…
Queue-Aware Distributive Resource Control for Delay-Sensitive Two-Hop MIMO Cooperative Systems
Rui Wang, Vincent K. N. Lau, Ying Cui
In this paper, we consider a queue-aware distributive resource control algorithm for two-hop MIMO cooperative systems. We shall illustrate that relay buffering is an effective way…
Understanding Quantization-Aware Training: Gradients at Quantized Weights Bias to the Low-Loss Basin
Hanyang Li, Jianhao Ma, Ying Cui
Post-training quantization (PTQ) converts a trained full-precision model into low-bit weights without task-level retraining, while quantization-aware training (QAT) incorporates qu…
Random Caching Based Cooperative Transmission in Heterogeneous Wireless Networks
Wanli Wen, Ying Cui, Fu-Chun Zheng +2
Base station cooperation in heterogeneous wireless networks (HetNets) is a promising approach to improve the network performance, but it also imposes a significant challenge on bac…
Optimization-based Block Coordinate Gradient Coding
Qi Wang, Ying Cui, Chenglin Li +2
Existing gradient coding schemes introduce identical redundancy across the coordinates of gradients and hence cannot fully utilize the computation results from partial stragglers.…
Clustering by Orthogonal NMF Model and Non-Convex Penalty Optimization
Shuai Wang, Tsung-Hui Chang, Ying Cui +1
The non-negative matrix factorization (NMF) model with an additional orthogonality constraint on one of the factor matrices, called the orthogonal NMF (ONMF), has been found a prom…
Optimal Transmission of Multi-Quality Tiled 360 VR Video in MIMO-OFDMA Systems
Chengjun Guo, Ying Cui, Zhi Liu +1
In this paper, we study the optimal transmission of a multi-quality tiled 360 virtual reality (VR) video from a multi-antenna server (e.g., access point or base station) to multipl…
SiamCAR: Siamese Fully Convolutional Classification and Regression for Visual Tracking
Dongyan Guo, Jun Wang, Ying Cui +2
By decomposing the visual tracking task into two subproblems as classification for pixel category and regression for object bounding box at this pixel, we propose a novel fully con…
Optimal Multi-View Video Transmission in OFDMA Systems
Wei Xu, Ying Cui, Zhi Liu +1
In this letter, we study the transmission of a multi-view video (MVV) to multiple users in an Orthogonal Frequency Division Multiple Access (OFDMA) system. To maximally improve tra…
Energy-Efficient Multi-View Video Transmission with View Synthesis-Enabled Multicast
Wei Xu, Yuzhuo Wei, Ying Cui +1
Multi-view videos (MVVs) provide immersive viewing experience, at the cost of heavy load to wireless networks. Except for further improving viewing experience, view synthesis can c…
Insights on pion production mechanism and symmetry energy at high density
Yangyang Liu, Yongjia Wang, Ying Cui +5
The cross sections, which take into account the -mass dependence of M-matrix and momentum , are applied on the calculation of pion production within the fr…
The Connectivity of Millimeter-Wave Networks in Urban Environments Modeled Using Random Lattices
Kaifeng Han, Kaibin Huang, Ying Cui +1
Millimeter-wave (mmWave) communication opens up tens of giga-hertz (GHz) spectrum in the mmWave band for use by next-generation wireless systems, thereby solving the problem of spe…
Analysis and Optimization of Caching and Multicasting in Large-Scale Cache-Enabled Heterogeneous Wireless Networks
Ying Cui, Dongdong Jiang
Heterogeneous wireless networks (HetNets) provide a powerful approach to meet the dramatic mobile traffic growth, but also impose a significant challenge on backhaul. Caching and m…
Structural Properties of Uncoded Placement Optimization for Coded Delivery
Sian Jin, Ying Cui, Hui Liu +1
A centralized coded caching scheme has been proposed by Maddah-Ali and Niesen to reduce the worst-case load of a network consisting of a server with access to N files and connected…
Low-complexity Robust Optimization for an IRS-assisted Multi-Cell Network
Yuhang Jia, Wuyang Jiang, Ying Cui
The impacts of channel estimation errors, inter-cell interference, phase adjustment cost, and computation cost on an intelligent reflecting surface (IRS)-assisted system are severe…
Distributive Stochastic Learning for Delay-Optimal OFDMA Power and Subband Allocation
Ying Cui, Vincent K. N. Lau
In this paper, we consider the distributive queue-aware power and subband allocation design for a delay-optimal OFDMA uplink system with one base station, users and indep…
Optimal Multi-Quality Multicast for 360 Virtual Reality Video
Kaixuan Long, Chencheng Ye, Ying Cui +1
A 360 virtual reality (VR) video, recording a scene of interest in every direction, provides VR users with immersive viewing experience. However, transmission of a 360 VR video whi…
Analysis and Optimization of Outage Probability in Multi-Intelligent Reflecting Surface-Assisted Systems
Zijian Zhang, Ying Cui, Feng Yang +1
Intelligent reflecting surface (IRS) is envisioned to be a promising solution for designing spectral and energy efficient wireless systems. In this letter, we study a multi-IRS-ass…
Stochastic Content-Centric Multicast Scheduling for Cache-Enabled Heterogeneous Cellular Networks
Bo Zhou, Ying Cui, Meixia Tao
Caching at small base stations (SBSs) has demonstrated significant benefits in alleviating the backhaul requirement in heterogeneous cellular networks (HetNets). While many existin…
Statistical Device Activity Detection for OFDM-based Massive Grant-Free Access
Yuhang Jia, Ying Cui, Wuyang Jiang
Existing works on grant-free access, proposed to support massive machine-type communication (mMTC) for the Internet of things (IoT), mainly concentrate on narrow band systems under…
On Degenerate Doubly Nonnegative Projection Problems
Ying Cui, Ling Liang, Defeng Sun +1
The doubly nonnegative (DNN) cone, being the set of all positive semidefinite matrices whose elements are nonnegative, is a popular approximation of the computationally intractable…
Optimal Multi-View Video Transmission in Multiuser Wireless Networks by Exploiting Natural and View Synthesis-Enabled Multicast Opportunities
Wei Xu, Ying Cui, Zhi Liu
Multi-view videos (MVVs) provide immersive viewing experience, at the cost of traffic load increase for wireless networks. In this paper, we would like to optimize MVV transmission…
Optimization-Based Linear Network Coding for General Connections of Continuous Flows
Ying Cui, Muriel Médard, Edmund Yeh +2
For general connections, the problem of finding network codes and optimizing resources for those codes is intrinsically difficult and little is known about its complexity. Most of…
Optimal Multicast of Tiled 360 VR Video in OFDMA Systems
Chengjun Guo, Ying Cui, Zhi Liu
In this letter, we study optimal multicast of tiled 360 virtual reality (VR) video from one server (base station or access point) to multiple users in an orthogonal frequency divis…
Rate Splitting for General Multicast
Lingzhi Zhao, Ying Cui, Sheng Yang +3
Immersive video, such as virtual reality (VR) and multi-view videos, is growing in popularity. Its wireless streaming is an instance of general multicast, extending conventional un…
Optimal Wireless Streaming of Multi-Quality 360 VR Video by Exploiting Natural, Relative Smoothness-enabled and Transcoding-enabled Multicast Opportunities
Kaixuan Long, Ying Cui, Chencheng Ye +1
In this paper, we would like to investigate optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a server to multiple users. To this end, we prop…
Enhancing Neural Adaptive Wireless Video Streaming via Lower-Layer Information Exposure and Online Tuning
Lingzhi Zhao, Ying Cui, Yuhang Jia +2
Deep reinforcement learning (DRL) demonstrates its promising potential in the realm of adaptive video streaming and has recently received increasing attention. However, existing DR…
Optimal Streaming of 360 VR Videos with Perfect, Imperfect and Unknown FoV Viewing Probabilities
Lingzhi Zhao, Ying Cui, Chengjun Guo +1
In this paper, we investigate wireless streaming of multi-quality tiled 360 virtual reality (VR) videos from a multi-antenna server to multiple single-antenna users in a multi-carr…
Energy-Efficient Resource Allocation for Multi-User Mobile Edge Computing
Junfeng Guo, Zhaozhe Song, Ying Cui
To increase mobile batteries' lifetime and improve quality of experience for computation-intensive and latency-sensitive applications, mobile edge computing has received significan…
Enhancing the Delay Performance of Dynamic Backpressure Algorithms
Ying Cui, Edmund M. Yeh, Ran Liu
For general multi-hop queueing networks, delay optimal network control has unfortunately been an outstanding problem. The dynamic backpressure (BP) algorithm elegantly achieves thr…
Multiscale Cross-Modal Mapping of Molecular, Pathologic, and Radiologic Phenotypes in Lipid-Deficient Clear Cell Renal CellCarcinoma
Ying Cui, Dongzhe Zheng, Ke Yu +8
Clear cell renal cell carcinoma (ccRCC) exhibits extensive intratumoral heterogeneity on multiple biological scales, contributing to variable clinical outcomes and limiting the eff…
Optimal Caching Designs for Perfect, Imperfect and Unknown File Popularity Distributions in Large-Scale Multi-Tier Wireless Networks
Chencheng Ye, Ying Cui, Yang Yang +1
Most existing caching solutions for wireless networks rest on an unrealistic assumption that the file popularity distribution is perfectly known. In this paper, we consider optimal…
Optimization-based Decentralized Coded Caching for Files and Caches with Arbitrary Size
Qi Wang, Ying Cui, Sian Jin +3
Existing decentralized coded caching solutions cannot guarantee small loads in the general scenario with arbitrary file sizes and cache sizes. In this paper, we propose an optimiza…
An Optimization Framework for General Rate Splitting for General Multicast
Lingzhi Zhao, Ying Cui, Sheng Yang +1
Immersive video, such as virtual reality (VR) and multi-view videos, is growing in popularity. Its wireless streaming is an instance of general multicast, extending conventional un…
Quadratic growth conditions for convex matrix optimization problems associated with spectral functions
Ying Cui, Chao Ding, Xinyuan Zhao
In this paper, we provide two types of sufficient conditions for ensuring the quadratic growth conditions of a class of constrained convex symmetric and non-symmetric matrix optimi…
An extended Skyrme momentum dependent potential in asymmetric nuclear matter and transport models
Junping Yang, Xiang Chen, Ying Cui +3
Based on an extended Skyrme momentum-dependent interaction (MDI), we derive an isospin asymmetric equation of state, isospin-dependent single-particle potential and the Hamiltonian…
User-Centric Interference Nulling in Downlink Multi-Antenna Heterogeneous Networks
Ying Cui, Yueping Wu, Dongdong Jiang +1
In heterogeneous networks (HetNets), strong interference due to spectrum reuse affects each user's signal-to-interference ratio (SIR), and hence is one limiting factor of network p…
Joint and Competitive Caching Designs in Large-Scale Multi-Tier Wireless Multicasting Networks
Zitian Wang, Zhehan Cao, Ying Cui +1
Caching and multicasting are two promising methods to support massive content delivery in multi-tier wireless networks. In this paper, we consider a random caching and multicasting…
Bayesian reconstruction of impact parameter distributions from two observables for intermediate energy heavy ion collisions
Xiang Chen, Li Li, Ying Cui +3
To reconstruct the impact parameter distributions from the selected events sample or centrality, which is defined by two-observables, at intermediate energy heavy ion collisions, w…
A Linear Network Code Construction for General Integer Connections Based on the Constraint Satisfaction Problem
Ying Cui, Muriel Médard, Fan Lai +4
The problem of finding network codes for general connections is inherently difficult in capacity constrained networks. Resource minimization for general connections with network co…
Novel Pauli blocking method in quantum molecular dynamics type models
Xiang Chen, Junping Yang, Ying Cui +3
In this work, we propose a novel method for calculating the occupation probability in the Pauli blocking of the quantum molecular dynamics type models. This method refines the desc…
Power-Efficient Wireless Streaming of Multi-Quality Tiled 360 VR Video in MIMO-OFDMA Systems
Chengjun Guo, Lingzhi Zhao, Ying Cui +2
In this paper, we study the optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from a multi-antenna server to multiple single-antenna users in a mul…