Liqun Zhao

ORCID: 0000-0002-0378-1207
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Research Areas
  • Advanced MIMO Systems Optimization
  • Cooperative Communication and Network Coding
  • Advanced Wireless Network Optimization
  • Advanced Optical Network Technologies
  • Belt Conveyor Systems Engineering
  • Underwater Vehicles and Communication Systems
  • Advanced Photonic Communication Systems
  • Industrial Automation and Control Systems
  • Water Quality Monitoring Technologies
  • Energy Harvesting in Wireless Networks
  • Advanced Wireless Communication Techniques
  • Optical Network Technologies
  • ICT Impact and Policies
  • Cloud Computing and Resource Management
  • Industrial Technology and Control Systems
  • Advanced Data and IoT Technologies
  • Advanced Surface Polishing Techniques
  • Soft Robotics and Applications
  • Network Traffic and Congestion Control
  • Wireless Communication Networks Research
  • Zebrafish Biomedical Research Applications
  • Robot Manipulation and Learning
  • Fish Ecology and Management Studies

Northeastern University
2025

Shenzhen Institute of Information Technology
2019-2022

Harbin Institute of Technology
2012-2021

Kunming Metallurgical Research Institute
2006

Device-to-device (D2D) communications underlying cellular networks are a novel approach for providing IoT services, in which D2D communication links and share the same channels. Unfortunately, various kinds of devices randomly distributed potentially result critical interferences. To solve interference problem, we propose greedy-based channel assignment algorithm this paper. First, construct graph that describes interferences between pairs when they simultaneously channel. Then, is proposed...

10.1109/access.2018.2789423 article EN cc-by-nc-nd IEEE Access 2018-01-01

Long term evolution (LTE) is the next generation wireless communication network which an all-IP based system. Nowadays, more and kinds of services are being transmitted on with different requirements. So, to satisfy quality service (QoS) multi-service requirements one key challenges that need be dealt in LTE In this paper, we propose a cross layer solution called token bucket scheduler (TBS) for real time allocates resource block (RB) order meet their QoS TBS utilizes instantaneous downlink...

10.1109/chinacom.2012.6417520 article EN 2012-08-01

The capability to obtain detailed motility information of model organisms is fundamental reveal their functional and social behavior characteristics. Zebrafish a powerful vertebrate organism. Despite recent success in the automatic quantification adult zebrafish movement, it remains laborious task for group larval tracking due similar appearance, frequent occlusions, highly discontinuous kinematics. This article presents DanioSense (DS), an tracker zebrafish, overcome these challenges....

10.1109/tase.2021.3050408 article EN IEEE Transactions on Automation Science and Engineering 2021-01-26

There is a form of unfairness phenomenon found in data center networks,which was identified by P. Prakash. This shows that the throughput flow with smaller RTT less than large RTT. completely contrary to classic TCP protocol. Prakash gives an explanation based on port blackout theory. However, after careful analysis, we have another reason for this unusual phenomenon, which may be more important. because unfair distribution flows different physical link and differences congestion window size...

10.1109/itc.2013.6662965 article EN 2013-09-01

Device-to-Device (D2D) communications can provide proximity based services in the future 5G cellular networks.It allows short range communication a limited area with advantages of power saving, high data rate and traffic offloading.However, D2D may reuse licensed channels potentially result critical interferences to nearby devices.To control interference improve network throughput overlaid networks, novel channel assignment approach is proposed this paper.First, we characterize performance...

10.3837/tiis.2019.04.008 article EN KSII Transactions on Internet and Information Systems 2019-04-30

With the rapidly increasing number of users and various internet things applications, capacity current air interface cellular networks has quickly become insufficient. Heterogeneous network based IoT communications is an economical effective way to increase extend coverage area, which been considered as a natural choice address this problem. In heterogeneous networks, layout homogeneous (i.e. networks) changed by adding low-power nodes into macrocell. As result, new problem arises: mobile...

10.1109/ithings-greencom-cpscom-smartdata.2017.119 article EN 2017-06-01

In this paper, a novel shape detecting method is proposed for continuum soft manipulator to detect the in real time, so as achieve high-precision position and attitude control. The uses three cable encoders measure length of per section, they are distributed at 120 degrees apart from endplate manipulator. Based on theoretical hypothesis that has infinite freedom (DOF), kinematic model single-section developed by piecewise constant curvature method. Further, extended multi-section via...

10.23919/chicc.2019.8865407 article EN 2019-07-01

In this letter, an effective algorithm is proposed to improve the performance of relay enhanced cellular networks, which allocate appropriate resources each access point with quality service constraint. First we derive ergodic rate for backhaul link based on a poison process model, and then according requirements links. Numerical results show that can not only system throughput but also distribution user equipment.

10.1587/transfun.e100.a.2204 article EN IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences 2017-01-01

Device-to-device (D2D) multicast has become a promising technology to provide specific services within small geographical region with high data rate, low delay and energy consumption.However, D2D communications are allowed reuse the same channels cellular uplinks result in mutual interference cell.In this paper, an intelligent channel assignment algorithm is designed underlaid networks target of maximizing network throughput.We first model problem be throughput which NP-hard.To solve...

10.3837/tiis.2022.08.010 article EN KSII Transactions on Internet and Information Systems 2022-08-31
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