Integrating edge computing into low earth orbit satellite networks: Architecture and prototype

C Li, Y Zhang, R Xie, X Hao, T Huang - Ieee Access, 2021 - ieeexplore.ieee.org
Low Earth Orbit (LEO) satellite network is a cost-efficient way to achieve global covering for
wide-area Internet of Things (IoT). As more and more IoT applications require large amounts …

Jointly optimized request dispatching and service placement for MEC in LEO network

C Li, Y Zhang, X Hao, T Huang - China Communications, 2020 - ieeexplore.ieee.org
Integrating Multi-access Edge Computing (MEC) in Low Earth Orbit (LEO) network is an
important way to provide globally seamless low-delay service. In this paper, we consider the …

A deformation robust ISAR image satellite target recognition method based on PT-CCNN

W Lu, Y Zhang, C Yin, C Lin, C Xu, X Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
To tackle the inherent unknown deformation (eg, translation, rotation and scaling) of the
inverse synthetic aperture radar (ISAR) images, a deep polar transformer-circular convolutional …

Design of mega-constellations for global uniform coverage with inter-satellite links

L Jia, Y Zhang, J Yu, X Wang - Aerospace, 2022 - mdpi.com
Constellation configuration design is a prerequisite and critical step in the construction of a
mega-constellation system in low Earth orbit. However, the huge number of satellites and the …

A fast recognition method for space targets in ISAR images based on local and global structural fusion features with lower dimensions

H Yang, Y Zhang, W Ding - International Journal of Aerospace …, 2020 - Wiley Online Library
Feature extraction is the key step of Inverse Synthetic Aperture Radar (ISAR) image recognition.
However, limited by the cost and conditions of ISAR image acquisition, it is relatively …

Trajectory planning for optical satellite's continuous surveillance of geostationary spacecraft

H Zhang, Z Li, W Wang, H Wang, Y Zhang - IEEE Access, 2021 - ieeexplore.ieee.org
This paper focuses on the trajectory planning that optical satellites approach the geostationary
(GEO) spacecraft and the trajectory planning that the optical satellite flies around the GEO …

An ISAR Image Component Recognition Method Based on Semantic Segmentation and Mask Matching

X Zhu, Y Zhang, W Lu, Y Fang, J He - Sensors, 2023 - mdpi.com
The inverse synthetic aperture radar (ISAR) image is a kind of target feature data acquired
by radar for moving targets, which can reflect the shape, structure, and motion information of …

Intelligent requests orchestration for microservice management based on blockchain in software defined networking: A security guarantee

Y Zhang, C Li, N Chen, P Zhang - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Through the programmable control of the network, the distributed and discrete service
equipment is managed uniformly, and the software-defined network (SDN) effectively improves …

Multiple heterogeneous P-DCNNs ensemble with stacking algorithm: A novel recognition method of space target ISAR images under the condition of small sample set

H Yang, Y Zhang, W Ding - IEEE Access, 2020 - ieeexplore.ieee.org
In this paper, a novel method of multiple heterogeneous pre-trained deep convolutional
neural network models (P-DCNN) ensemble with stacking algorithm is proposed, which can …

Geostationary orbital debris collision hazard after a collision

H Zhang, Z Li, W Wang, Y Zhang, H Wang - Aerospace, 2022 - mdpi.com
Many space objects are densely distributed in the geostationary (GEO) band, and the long-term
impact of the collision of GEO spacecraft and space debris on the GEO environment has …