A5071987706- Cooperative Communication and Network Coding
- Advanced MIMO Systems Optimization
- Caching and Content Delivery
- Advanced Wireless Network Optimization
- Opportunistic and Delay-Tolerant Networks
- Advanced Wireless Communication Technologies
- Image and Video Quality Assessment
- Stochastic Gradient Optimization Techniques
- Energy Harvesting in Wireless Networks
- Privacy-Preserving Technologies in Data
- Video Coding and Compression Technologies
- IoT Networks and Protocols
- IoT and Edge/Fog Computing
- Sparse and Compressive Sensing Techniques
- Mobile Ad Hoc Networks
- Indoor and Outdoor Localization Technologies
- Tribology and Lubrication Engineering
- Distributed Sensor Networks and Detection Algorithms
- Age of Information Optimization
- Wireless Communication Networks Research
- Wireless Communication Security Techniques
- Wireless Networks and Protocols
- Magnetic Bearings and Levitation Dynamics
- Hydraulic and Pneumatic Systems
- Antenna Design and Analysis
Hong Kong University of Science and Technology
2009-2025
University of Hong Kong
2009-2025
South China Agricultural University
2023-2025
Guangdong Food and Drug Vocational College
2025
Hechi University
2025
Stanford University
2023-2024
China Mobile (China)
2024
Dalian Maritime University
2013-2024
Beijing Institute of Genomics
2023
Chinese Academy of Sciences
2023
The National Genomics Data Center (NGDC) provides a suite of database resources to support worldwide research activities in both academia and industry. With the rapid advancements higher-throughput lower-cost sequencing technologies accordingly huge volume multi-omics data generated at exponential scales rates, NGDC is continually expanding, updating enriching its core through big integration value-added curation. In past year, efforts for update have been mainly devoted BioProject,...
Abstract The National Genomics Data Center (NGDC), part of the China for Bioinformation (CNCB), provides a suite database resources to support worldwide research activities in both academia and industry. With explosive growth multi-omics data, CNCB-NGDC is continually expanding, updating enriching its core through big data deposition, integration translation. In past year, considerable efforts have been devoted 2019nCoVR, newly established resource providing global landscape SARS-CoV-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 approach, Lyapunov stability drift approach and approximate Markov Decision Process (MDP) using stochastic learning. These essentially embrace most of existing literature regarding resource wireless systems. They have their relative pros cons terms performance, complexity implementation issues. For each approaches,...
Heterogeneous wireless networks (HetNets) provide a powerful approach to meeting the dramatic mobile traffic growth, but also impose significant challenge on backhaul. Caching and multicasting at macro pico base stations (BSs) are two promising methods support massive content delivery reduce backhaul load in HetNets. In this paper, we jointly consider caching large-scale cache-enabled HetNet with constraints. We propose hybrid design consisting of identical macro-tier random pico-tier,...
Device-to-device (D2D) communication underlaying cellular networks is a promising technology to improve network resource utilization. In D2D-enabled networks, interference generated by D2D communications usually viewed as an obstacle communications. However, in this paper, we present new perspective on the role of taking security issues into consideration. We consider large-scale with eavesdroppers overhearing Using stochastic geometry, model such and analyze...
Caching and multicasting at base stations are two promising approaches to supporting massive content delivery over wireless networks. However, existing analysis designs do not fully explore exploit the potential advantages of approaches. In this paper, we consider optimization caching in a large-scale cache-enabled network. We propose random design. By carefully handling different types interferers adopting appropriate approximations, derive tractable expression for successful transmission...
Designing mobile edge computing (MEC) systems by jointly optimizing communication and computation resources, which can help increase batteries' lifetime improve quality of experience for computation-intensive latency-sensitive applications, has received significant interest. In this paper, we consider energy-efficient resource allocation schemes a multi-user system with inelastic tasks non-negligible task execution durations. First, establish mathematical model to characterize the offloading...
Emerging information-centric networking architectures seek to optimally utilize both bandwidth and storage for efficient content distribution. This highlights the need joint design of traffic engineering caching strategies, in order optimize network performance view current loads future demands. We present a systematic framework dynamic interest request forwarding cache placement eviction, within context Named Data Networking (NDN) architecture. The employs virtual control plane which...
Caching and multicasting at base stations are two promising approaches to support massive content delivery over wireless networks. However, existing scheduling designs do not fully exploit the advantages of approaches. In this paper, we consider optimal dynamic multicast jointly minimize average delay, power, fetching costs for cache-enabled content-centric We formulate stochastic optimization problem as an infinite horizon cost Markov decision process (MDP).By using <italic...
Base station cooperation in heterogeneous wireless networks (HetNets) is a promising approach to improve the network performance, but it also imposes significant challenge on backhaul. On other hand, caching at small base stations (SBSs) considered as an efficient way reduce backhaul load HetNets. In this paper, we jointly consider SBS and downlink large-scale HetNet. We propose two cooperative transmission schemes under random SBSs with distribution design parameter. Using tools from...
Intelligent reflecting surface (IRS) is gradually being recognized as a promising technology for improving spectral and energy efficiency of wireless systems. In this letter, we study an IRS-assisted multiple-input single-output (MISO) system where base station (BS) with multiple antennas arranged in uniform rectangular array (URA) serves single-antenna user the help IRS elements URA. We consider Rician fading model, non-line sight (NLoS) components vary slowly line (LoS) do not change. To...
As software may be used by multiple users, caching popular at the wireless edge has been considered to save computation and communications resources for mobile computing (MEC). However, fetching uncached from core network multicasting users have so far ignored. Thus, existing design is incomplete less practical. In this paper, we propose a joint caching, mechanism which involves fetching, multicasting, as well task input data uploading, executing (with non-negligible time duration) result...
The National Genomics Data Center (NGDC), which is a part of the China for Bioinformation (CNCB), offers comprehensive suite database resources to support global scientific community. Amidst unprecedented accumulation multi-omics data, CNCB-NGDC committed continually evolving and updating its core through big data archiving, integrative analysis value-added curation. Over past year, has expanded collaborations with international databases established new subcenters focusing on biodiversity,...
In this paper, we jointly consider communication, caching and computation in a multi-user cache-assisted mobile edge computing (MEC) system, consisting of one base station (BS) capabilities multiple users with computation-intensive latency-sensitive applications. We propose joint offloading mechanism which involves task uploading executing for tasks uncached results as well result downloading all at the BS, efficiently utilizes diversity multicasting opportunities. Then, formulate average...
Caching at small base stations (SBSs) has demonstrated significant benefits in alleviating the backhaul requirement heterogeneous cellular networks (HetNets). While many existing works focus on what contents to cache each SBS, an equally important but much less investigated problem is deliver given status and user requests. In this paper, we study optimal content delivery strategy cache-enabled HetNets by taking into account inherent multicast capability of wireless medium. We establish a...
In this article, we investigate jointly sparse signal recovery and support in Multiple Measurement Vector (MMV) models for complex signals, which arise many applications communications processing. Recent key include channel estimation device activity detection MIMO-based grant-free random access is proposed to massive machine-type (mMTC) Internet of Things (IoT). Utilizing techniques compressive sensing, optimization deep learning, propose two model-driven approaches, based on the standard...
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. We consider random viewing directions and channel conditions, adopt time division (TDMA). For given quality, optimize the transmission power allocation minimize average energy. energy budget, as well encoding rate each tile maximize received quality. These two optimization problems are challenging non-convex problems. obtain globally closed-form...
In this article, we study an intelligent reflecting surface (IRS)-assisted system where a multi-antenna base station (BS) serves single-antenna user with the help of multi-element IRS in presence interference generated by BS serving its own user. The signal and links via are modeled Rician fading. To reduce phase adjustment cost, adopt quasi-static shift design shifts do not change instantaneous channel state information (CSI). We investigate two cases CSI at BSs, namely, case statistical...
Unmanned aerial vehicle (UAV) systems are of increasing interest to academia and industry due their mobility, flexibility, maneuverability, an effective alternative various uses such as surveillance mobile edge computing. However, limited computational communications resources, it is difficult serve all computation tasks simultaneously. This article tackles this problem by first proposing a scalable computing solution, which applicable for multiple quality levels, corresponding different...
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 practical implementation beyond 5G systems. To end, focus on single-cell system with base station (BS) K single-antenna receivers. We consider RS in most general form 2 <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">K</sup> -1 streams, joint decoding to fully exploit the...
In this paper, we would like to investigate the optimal wireless streaming of a multi-quality tiled 360 virtual reality (VR) video from server multiple users. To end, propose maximally exploit potential multicast opportunities by effectively utilizing characteristics VR videos and computation resources at users' side. particular, consider two requirements for quality variation in one field-of-view (FoV), i.e., absolute smoothness requirement relative requirement, playback modes,...
Device-to-device (D2D) communication underlaying cellular networks is a promising technology to improve network resource utilization. In D2D-enabled networks, the interference among spectrum-sharing links more severer than that in traditional which motivates adoption of cancellation techniques such as successive (SIC) at receivers. However, date, how SIC can affect performance still unknown. this paper, we present an analytical framework for studying large-scale using tools from stochastic...
Intelligent reflecting surface (IRS) is envisioned to be a promising solution for designing spectral and energy efficient wireless systems. In this letter, we study multi-IRS-assisted system under Rician fading where the phase shifts adapt only line of sight (LoS) components. First, analyze optimize outage probability in slow scenario non-LoS (NLoS) We also show that optimal decreases with numbers IRSs elements each IRS when LoS components are stronger than NLoS ones. Then, characterize...
In this paper, a radically new anticipatory perspective is taken into account when designing the user-to-access point (AP) associations for indoor visible light communications (VLC) networks, in presence of users' mobility and wireless-traffic dynamics. its simplest guise, by considering future locations their predicted traffic dynamics, novel association prepares APs users advance, resulting an enhanced locationand delayawareness. This technically realized our contrived design efficient...