航天器工程2024，Vol.33Issue(1)：26-35,10.DOI:10.3969/j.issn.1673-8748.2024.01.004
基于延迟接受的低轨星座用户接入策略
Delayed Acceptance-based User Access Strategy for Low Earth Orbit Satellite Constellations
李学富 1耿座学 1王英伍 1王培继 1赵思卫 1朱宇 2杨明 2魏小兰 2刘靖2
作者信息
- 1. 云南电网有限责任公司怒江供电局,云南泸水 673199
- 2. 航天神舟智慧系统技术有限公司,北京 100029
- 折叠
摘要
Abstract
In response to the user access challenges in low earth orbit(LEO)constellations,a de-layed acceptance-based user access strategy is designed by considering a comprehensive integra-tion of multi-attribute preference order information.Construct the model of the satellite-ground fusion communication system and describe the coverage relationship between users and base sta-tions by connection matrix.Simultaneously,the connection relationship matrix between satellite relay stations and satellites is calculated by considering the positions of satellite relay stations and the LEO constellation configuration.Furthermore,the spectrum resources are divided into chan-nel units.Based on the established model,a user access strategy research method,utilizing combi-natorial optimization,is employed to comprehensively consider channel resource allocation and in-terference management methods.Multiple attributes for preference ordering are proposed,inclu-ding channel gain,interference gain,backhaul capacity,and cell load level between users and cell backhaul links.Theoretical analysis demonstrates the stability and Pareto optimality of the pro-posed matching strategy.The simulation results show that the performance of the proposed UA-DA algorithm is significantly better than other algorithms.关键词
星地融合通信系统/低轨星座/卫星中继基站/用户接入策略/延迟接受Key words
satellite-terrestrial integrated communication system/low earth orbit constellation/satellite relay station/user access strategy/delayed acceptance分类
信息技术与安全科学引用本文复制引用
李学富,耿座学,王英伍,王培继,赵思卫,朱宇,杨明,魏小兰,刘靖..基于延迟接受的低轨星座用户接入策略[J].航天器工程,2024,33(1):26-35,10.
