Zhao Pi

ORCID: 0000-0003-2835-8728
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About
Contact & Profiles
Research Areas
  • Satellite Communication Systems
  • Wireless Communication Networks Research
  • Phytoestrogen effects and research
  • IoT Networks and Protocols
  • Railway Engineering and Dynamics
  • Real-time simulation and control systems
  • Advanced MIMO Systems Optimization
  • Structural Engineering and Vibration Analysis
  • Advanced Optical Network Technologies
  • Industrial Technology and Control Systems
  • Optical Wireless Communication Technologies
  • Mechanical stress and fatigue analysis
  • Simulation and Modeling Applications
  • Age of Information Optimization

Guilin University of Electronic Technology
2020-2023

Delay, cost, and loss are low in Low Earth Orbit (LEO) satellite networks, which play a pivotal role channel allocation global mobile communication system. Due to nonuniform distribution of users, the existing schemes cannot adapt load differences between beams. On basis resource pool, this paper proposes network architecture LEO that utilizes centralized pool designs combination fixed preallocation dynamic scheduling. The scheduling can allocate or recycle free channels according service...

10.1155/2020/8868888 article EN cc-by Mobile Information Systems 2020-12-12

Abstract Low earth orbit (LEO) satellite communication networks require huge load capacity and information processing speed to carry global traffic. Inter-satellite links the on-board are key technologies achieve this goal, but new network architecture leads great challenges on routing. This paper designs a hybrid inter-satellite link with same-orbit laser different-orbit microwave increase adopts CPU centralized scheduling improve utilization of computing resources. Then, establishes...

10.1186/s13638-022-02119-1 article EN cc-by EURASIP Journal on Wireless Communications and Networking 2022-04-15

Low Earth orbit (LEO) satellite systems provide terrestrial users with services that are not limited by geographical location. However, the conflict between existing allocation schemes and business variability beams is becoming increasingly prominent. Beam hopping technology allows for a more flexible versatile approach to resource allocation. This paper proposes beam pattern optimization scheme jointly considers interference threshold distance service priority, reducing inter-beam...

10.23919/jcc.2023.00.020 article EN China Communications 2023-02-28
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