WO2022160486A1 - 一种卫星和高空平台协助的星地边缘计算任务卸载方法 - Google Patents
一种卫星和高空平台协助的星地边缘计算任务卸载方法 Download PDFInfo
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- H—ELECTRICITY
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- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
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- H—ELECTRICITY
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- H04B7/00—Radio transmission systems, i.e. using radiation field
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- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
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- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
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- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18502—Airborne stations
- H04B7/18506—Communications with or from aircraft, i.e. aeronautical mobile service
- H04B7/18508—Communications with or from aircraft, i.e. aeronautical mobile service with satellite system used as relay, i.e. aeronautical mobile satellite service
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- H04B7/14—Relay systems
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- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
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- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1853—Satellite systems for providing telephony service to a mobile station, i.e. mobile satellite service
- H04B7/18563—Arrangements for interconnecting multiple systems
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
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- H04L67/10—Protocols in which an application is distributed across nodes in the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- step E after receiving the task unloaded from the high-altitude platform, the low-orbit satellite will allocate computing resources to each computing task according to the computing resource allocation method to complete the calculation of the task.
- the specific steps for offloading computing tasks from high-altitude platforms to low-orbit satellites include:
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Abstract
Description
Claims (8)
- 一种卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,在于,包括以下步骤:步骤A、低轨卫星收集系统中的相关信息;步骤B、根据收集到的相关信息,低轨卫星根据地面用户到高空平台关联方法为地面用户选择合适的高空平台进行关联;步骤C、根据地面用户到高空平台关联结果,利用多输入多输出传输方法将计算任务卸载到关联的高空平台;步骤D、高空平台接收到地面用户的计算任务之后,根据计算任务分配方法的结果,将地面用户的计算任务分为两部分,即在高空平台处理的任务和卸载到低轨卫星端处理的任务;对在高空平台处理的任务,高空平台会根据计算资源分配方法,分配合适的计算资源来处理地面用户的计算任务;对卸载到低轨卫星端的计算任务,高空平台会利用多输入多输出传输方法将计算任务卸载到低轨卫星端;步骤E、低轨卫星在接收到高空平台卸载的任务后,会根据计算资源分配方法为各个计算任务分配计算资源,完成任务的计算。
- 根据权利要求1所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述步骤A中低轨卫星收集系统中的相关信息包括:地面用户设备的计算任务大小、任务计算强度、计算时延要求、地面用户到高空平台无线信道信息、高空平台到低轨卫星信道信息和高空平台的计算能力信息,以及地面用户对能耗的要求。
- 根据权利要求2所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述步骤A中低轨卫星收集系统中的相关信息具体包括如下步骤:步骤A1:地面用户根据地面用户到高空平台的信道链路增益,选择信道链路增益最好的高空平台进行关联,将本地设备的相关信息发送给关联的高空平台;步骤A2:高空平台将相关信息转发给低轨卫星。
- 根据权利要求1所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述步骤B具体包括如下步骤:步骤B1、建立地面用户与不同高空平台关联下的多输入多输出传输模型,以及地面用户的计算任务在不同高空平台上进行任务转发和计算时的计算时延模型和能量消耗模型;步骤B2、加载地面用户高空平台关联算法,决定地面用户与高空平台的关联关系, 为地面用户选择合适的高空平台进行关联。
- 根据权利要求4述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述步骤C具体包括如下步骤:步骤C1、加载地面用户到高空平台多输入多输出预编码设计算法,获得地面用户和关联的高空平台之间的多输入多输出预编码矩阵;步骤C2、用地面用户到高空平台多输入多输出预编码设计算法将地面用户的计算任务卸载到高空平台。
- 根据权利要求4所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述将高空平台计算任务卸载到低轨卫星端的具体步骤包括:步骤D1、高空平台根据与之关联的地面用户的计算任务信息,建立高空平台到低轨卫星多输入多输出传输模型,并给出高空平台将计算任务卸载给低轨卫星时的时延模型和能量消耗模型;步骤D2、加载高空平台到低轨卫星多输入多输出预编码设计算法,获得高空平台和低轨卫星之间的多输入多输出预编码矩阵;步骤D3、用高空平台到低轨卫星多输入多输出预编码设计算法将高空平台的计算任务卸载到低轨卫星。
- 根据权利要求1所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,地面用户按如下的方式完成计算任务的卸载:步骤一、地面用户设备配备有多天线,地面用户设备利用多输入多输出技术将计算任务卸载到关联的高空平台,高空平台利用多天线进行数据的接收;步骤二、高空平台配备有多天线,高空平台利用多输入多输出技术将计算任务卸载到低轨卫星,低轨卫星也利用多天线进行数据的接收;步骤三、高空平台作为中继,转发地面用户卸载的计算任务和处理计算任务。
- 根据权利要求1所述的卫星和高空平台协助的星地边缘计算任务卸载方法,其特征在于,所述卫星和高空平台协助的星地边缘计算任务卸载方法适用于卫星网络,带中继的WiFi网络,无线异构网络、无线传感网络和蜂窝通信网络
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| CN116095699A (zh) * | 2023-02-07 | 2023-05-09 | 西北工业大学 | 利用双边缘计算的高安全卸载方法、系统、终端及其介质 |
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| CN115499133A (zh) * | 2022-09-14 | 2022-12-20 | 广州大学 | 低轨道卫星辅助的安全卸载方法 |
| CN115499133B (zh) * | 2022-09-14 | 2025-01-14 | 广州大学 | 低轨道卫星辅助的安全卸载方法 |
| CN115967433A (zh) * | 2022-12-23 | 2023-04-14 | 中国科学技术大学 | 一种基于动态时变性的卫星边缘计算卸载方法和装置 |
| CN116095699A (zh) * | 2023-02-07 | 2023-05-09 | 西北工业大学 | 利用双边缘计算的高安全卸载方法、系统、终端及其介质 |
| CN119382762A (zh) * | 2024-09-30 | 2025-01-28 | 重庆邮电大学 | 一种星地融合端边云协同的计算卸载方法 |
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| Publication number | Publication date |
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| US20230156072A1 (en) | 2023-05-18 |
| US11916997B2 (en) | 2024-02-27 |
| CN112929074A (zh) | 2021-06-08 |
| CN112929074B (zh) | 2022-02-08 |
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