基于终端流量预测的低地球轨道卫星互联网资源分配策略
LEO satellite Internet resource allocation strategy based on terminal traffic prediction
- 通信学报 2024年45卷第7期 页码：21-36
- 作者机构：
1.中国科学院上海微系统与信息技术研究所无线传感网与通信重点实验室，上海 200050
2.中国科学院大学，北京 101408
- 作者简介：
[ "沈斐（1983- ），女，江苏南京人，博士，中国科学院上海微系统与信息技术研究所研究员、博士生导师，主要研究方向为无线资源管理、边缘智能计算、卫星互联网、元宇宙技术。" ]
[ "吕承丞（1997- ），男，浙江金华人，中国科学院上海微系统与信息技术研究所博士生，主要研究方向为边缘智能计算、卫星互联网、网络优化。" ]
[ "张嘉璇（1999- ），男，河南洛阳人，中国科学院上海微系统与信息技术研究所博士生，主要研究方向为强化学习、边缘智能计算、无线通信。" ]
- 基金信息：国家重点研发计划基金资助项目;The National Key Research and Development Program of China(2019YFE0120700);上海市科技创新行动计划基金资助项目(22511100800;22511100500)
DOI：10.11959/j.issn.1000-436x.2024049
中图分类号： TN927收稿：2023-11-08，
修回：2024-01-17，
纸质出版：2024-07-25
- 稿件说明：
移动端阅览
沈斐,吕承丞,张嘉璇等.基于终端流量预测的低地球轨道卫星互联网资源分配策略[J].通信学报,2024,45(07):21-36.
SHEN Fei,LYU Chengcheng,ZHANG Jiaxuan,et al.LEO satellite Internet resource allocation strategy based on terminal traffic prediction[J].Journal on Communications,2024,45(07):21-36.
沈斐,吕承丞,张嘉璇等.基于终端流量预测的低地球轨道卫星互联网资源分配策略[J].通信学报,2024,45(07):21-36. DOI： 10.11959/j.issn.1000-436x.2024049.
SHEN Fei,LYU Chengcheng,ZHANG Jiaxuan,et al.LEO satellite Internet resource allocation strategy based on terminal traffic prediction[J].Journal on Communications,2024,45(07):21-36. DOI： 10.11959/j.issn.1000-436x.2024049.
摘要
针对地面网络存在覆盖盲区和卫星网络通信资源利用率低等问题，提出了基于终端流量预测的低地球轨道（LEO）卫星互联网资源分配策略。该策略利用真实数据集提出改进LSTM-ARIMA算法，准确预测地面区域未来一定时间内产生的数据流量，通过Stackelberg博弈构建差分化数据传输和任务卸载2种通信模型。综合考虑数据处理时延和能耗，通过求解纳什均衡，得到用户通过LEO卫星互联网传输数据或卸载任务的最优比率，以及卫星提供网络服务的最优定价。仿真结果表明，所提策略在数据传输服务中收益能提高约40%，在任务卸载服务中收益能提高约50%。
Abstract
A resource allocation strategy for the low earth orbit (LEO) satellite Internet based on terminal traffic prediction was proposed to address the problems of blind coverage spots in ground network and the low resource utilization of satellite network. An improved LSTM-ARIMA algorithm was proposed with real datasets by the strategy to accurately predict the data traffic generated in the ground area over a certain period of time in the future. Two communication models
differentiated data transmission and task offloading were constructed through Stackelberg games
taking into the data processing latency and energy consumption account. By solving the Nash equilibrium
the optimal ratio for users to transmit data or unload tasks through the LEO satellite Internet
as well as the optimal pricing for satellites to provide network services
were obtained. Extensive simulation results verify that the proposed strategy can increase the revenue by approximately 40% in data transmission services and 50% in task offloading services.
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references
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