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Multi-User Computation Offloading in Dynamic Environment for LEO Constellation Networks

delete2024-03-01
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PRE
AI
Y
Yufang Gao
K
Kanglian Zhao *
T
Tomaso de Cola *
W
Wenfeng Li
Y
Yan Cui
P
Peicong Hu
DOI:10.1109/TVT.2023.3327308delete
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摘要

摘要

En 中文
In this paper, we examine the problem of multi-user computation offloading for Low Earth Orbit (LEO) constellation networks under dynamic environment. To solve the puzzle of in-orbit computing performance degradation caused by multi-user access interference, we focus on minimizing channel interference while considering the stochastic characteristic of satellite-ground channels and the dynamic nature of ground user access. From a game-theoretic perspective, we model the interference mitigation problem as a potential game, and demonstrate that the Nash Equilibrium (NE) minimizes the channel interference. Meanwhile, we design an intelligent stochastic learning algorithm (ISLA) based on the stochastic learning method. Finally, simulation results show that the proposed algorithm can significantly reduce co-channel interference and system overhead compared with the benchmark algorithms, and achieve near-optimal performance.
Keyword:
Low Earth Orbit (LEO) constellation network
computation offloading
dynamic environment
potential game

期刊

IEEE Transactions on Vehicular Technology 封面图
IEEE Transactions on Vehicular Technology
IF:
7.1
论文数:
1.8W
被引数:
6.6W

机构

G
german aerospace centre (dlr)
学者数:
5.8K
论文数: 4.4K
被引数: 6
H
Helmholtz Association
学者数:
13.2W
论文数: 10.7W
被引数: 145
N
nanjing university
学者数:
7.8W
论文数: 5.6W
被引数: 87
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