A5101803487- Energy Efficient Wireless Sensor Networks
- Mobile Ad Hoc Networks
- Security in Wireless Sensor Networks
- Cloud Computing and Resource Management
- Real-Time Systems Scheduling
- Network Time Synchronization Technologies
- IPv6, Mobility, Handover, Networks, Security
- Software-Defined Networks and 5G
- Mobile Agent-Based Network Management
- Caching and Content Delivery
- Embedded Systems Design Techniques
- Advanced Wireless Network Optimization
- Advanced Database Systems and Queries
- Parallel Computing and Optimization Techniques
- Direction-of-Arrival Estimation Techniques
- Wireless Sensor Networks and IoT
- Advanced Computational Techniques and Applications
- Experimental Learning in Engineering
- Embedded Systems and FPGA Design
- Indoor and Outdoor Localization Technologies
- Formal Methods in Verification
- Distributed and Parallel Computing Systems
- Advanced Sensor and Control Systems
- Simulation Techniques and Applications
- Data Management and Algorithms
Alibaba Group (China)
2023-2024
Xi'an Shiyou University
2020
Tsinghua University
2017-2018
China University of Geosciences
2016
Institute of Agricultural Machinery
2014
Hubei University of Technology
2010-2013
Dalian University of Technology
2013
National Police Academy
2012-2013
Ocean University of China
2012
National Instruments (Ireland)
2009
Editor's note:The use of metamodeling in system design allows abstraction concepts germane to a number varying modeling domains, and provides the ability exploiting meta-information for variety tasks such as analysis, verification, synthesis, test generation. This article an overview emerging techniques their applications.—Tim Cheng, IEEE Design & Test editor chief
This paper presents CellFusion, a system designed for high-quality, real-time video streaming from vehicles to the cloud. It leverages an innovative blend of multipath QUIC transport and network coding. Surpassing limitations individual cellular carriers, CellFusion uses unique last-mile overlay that integrates multiple networks into single, unified cloud connection. integration is made possible through use in-vehicle Customer Premises Equipment (CPEs) edge-cloud proxy servers.
The rapid development of cloud computing has raised big concerns over the high energy consumption modern data centers. To satisfy ever increasing traffic needs, center network (DCN) also takes a significant proportion. newly emerging technology, Software Defined Networking (SDN), which allows flexible control devices, brings new opportunity towards DCN optimization. In this paper, we investigate how to design an energy-efficient management strategy with guaranteed satisfaction demands in...
This paper presents the simulation techniques that are available in Metropolis, an inter-disciplinary research project develops a design methodology, supported by comprehensive environment and tool set, for embedded systems. System behavior is non-deterministic general, especially beginning of process, when several key decision, such as mapping on implementation platform, have not yet been made, thus traces obtainable unique even under same input sequence. One may want to visit many possible...
Wireless sensor networks (WSNs) differ from traditional network communication technology in many aspects, one of the key issues is energy consumed by nodes. Reducing nodes can be achieved any layer WSN protocol stack. In this paper, problem how to reduce consumption optimizing routing algorithm focused on. Based on hierarchical architecture, energy-efficient intra-cluster multi-hop algorithms based forwarding restriction angle are discussed. Such combine energy-based strategy and...
In this paper, we studied the trust management problem in one-hop cluster-based underwater wireless sensor networks (UWSNs). Trust plays an important role constructing UWSNs. Due to dynamic natures of UWSNs (current movement, addition or deletion nodes) and massive deployment nodes, coupled with short range water acoustic communications, need ensure that all communicating nodes are trusted. We propose a hierarchical scheme for networks.
In this paper, a communication task scheduling evaluation model based on the queue is proposed to analyze wireless sensor performance parameters. The typical which deals with all tasks requests and makes actions or responses. A scheduling-preemptive-priority simulate network using matrix-geometric theory. And then, several merits of schedule are obtained, including loss rate, average response time occupancy rate. At last, experiments conducted show our scheme. Simulation results manifest...
In recent years, many companies have developed various distributed computation frameworks for processing machine learning (ML) jobs in clusters. Networking is a well-known bottleneck ML systems and the cluster demands efficient scheduling huge traffic (up to 1GB per flow) generated by jobs. Coflow has been proven an effective abstraction schedule flows of such data-parallel applications. However, implementation coflow policy constrained when characteristics are unknown prior, TCP congestion...
The deployment of large-scale arrays in millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems has enabled highly accurate localization by reaping the benefits high angular resolution. However, use massive antennas mmWave results expensive hardware costs and computational burdens. This paper considers mobile user quantized MIMO systems, where each base station (BS) antenna is equipped with low-resolution analog-to-digital converters. proposed approach integrates beamspace...
As the key technologies such as wireless communication, sensor continues to mature, networks has become a domestic and foreign focus of research in field networks. The main work thesis is implement ZigBee networking, using open source protocol FreakZ On base existing hardware. WSN hardware node consists 32-bit microprocessor STM32F102CB based on ARM Cortex-M3 kernel AT86RF212 radio transceiver; software platform uses lightweight multi-tasking operating system Contiki stack called following...
The clock synchronization is the key technology in distributed control system. This paper investigates method to adjust computer frequency and time embedded system based on Ethernet. also analyses basic working principle of IEEE 1588 Precision Time Protocol. In particular, it outlines free PTPd that software only implementations ARM-Linux environment, presents a achieve high precise using PTPd. results indicate able synchronize clocks with accuracy less than 500 microseconds without support...
When the number of users a wireless access point exceeds limit that its own hardware can carry, it will cause new to be unable access, and even lead collapse entire network. In response this problem, paper designs an active network management model. The model manages clients in local area through Radius protocol, so as realize batch large users. After client completes data transmission, actively disconnects connection release channel resources, thereby effectively improving carrying capacity...
Time synchronization is important for wireless sensor networks. In this paper RBS time algorithm principle and EECH routing protocol are introduced, the simulation of on basis realized using Synsinc software. The average error 25.86 us.This value basically same with other types simulation, which confirmed credible.
By studying static scheduling algorithm Deadline Monotonous Scheduling (DMS) which assigns the priority fixedly to each message based on its deadline before starting system and dynamic Earliest First (EDF) dynamically remaining in running time of system, combining cheap CPU cost DMS high network utilization EDF using layered structure, we presented a hybrid with considering critical level messages. Based work mentioned above, simulation platform CANbus is developed MATLAB/SimEvents tool box....
ZigBee technology is more and used in complex bad industrial monitoring control environment. At the same time, nodes are usually powered by batteries, so prolonging working time reducing power consumption of very important. If wireless can turn into sleep mode spare communication, it will further reduce node consumption. But period, can't communication with other node, we need to synchronous awaken dormancy, precise synchronization for sensor network application particularly This paper apply...
An energy-efficient wireless sensor routing protocol (Energy-efficient clustering hierarchy protocol, EECH) for industrial field is proposed based on LEACH according to the energy inefficiency of existing protocols and characteristics applications. The EECH takes full advantages node time slot distribution in implements functions such as clustering, multi hop distribution, sleeping data gathering. cluster heads can be evenly distributed area with geography location information nodes, so that...
Wireless internet is gaining wide spread usage in teaching affairs, especially score query system development. This paper explores how simple Math can be developed for mobile devices and introduces general framework designing such applications. Using the framework, based on Microsoft database software SQL Server 2000, T-SQL clause employed to program one stored procedure query. The utilizes phones simulator software, Nokia WAP Toolkit, which interacts with a server-side ASP (Active Pages)...
Wireless internet is gaining wide spread usage in teaching affairs, especially score query system development.This paper explores how simple Math can be developed for mobile devices and introduces general framework designing such applications.Using the framework, based on Microsoft database software SQL Server 2000, T-SQL clause employed to program one stored procedure query.The utilizes phones simulator software, Nokia WAP Toolkit, which interacts with a server-side ASP (Active Pages)...
In data center networks (DCNs), the flow size is a crucial factor to schedule traffic, as small flows are usually latency-sensitive (e.g., web search from users) while large not backup between two sites). Some existing scheduling schemes try based on prior knowledge of flows, such and deadline. However, it may be unpractical obtain information in some scenarios. this paper, we propose START minimize completion time (FCT) guarantee priority DCNs. We control priorities packets by leveraging...