一种新的基于上下文传递的临近空间安全切换机制

计算机科学 ›› 2013, Vol. 40 ›› Issue (4): 160-163.

一种新的基于上下文传递的临近空间安全切换机制

徐国愚,陈性元,杜学绘

解放军信息工程大学郑州450001;解放军信息工程大学郑州450001;解放军信息工程大学郑州450001

出版日期:2018-11-16 发布日期:2018-11-16
基金资助:
本文受国家973重点基础研究发展计划(2011CB311801),河南省科技创新人才计划(114200510001)资助

New Near Space Security Handoff Scheme Based on Context Transfer

XU Guo-yu,CHEN Xing-yuan and DU Xue-hui

Online:2018-11-16 Published:2018-11-16

摘要/Abstract

摘要： 针对临近空间中安全切换问题,提出一种新的基于上下文传递的安全切换机制。首先,设计了一种面向临近空间浮空器的切换基站预测算法,以基于多普勒频移技术计算飞行器发生切换的时间与位置,确定切换基站；其次,利用上下文传递机制预先将认证信息发送给切换基站,保证切换过程中通信的可靠性。性能分析与仿真实验表明,该机制通信与计算开销小,强制中断概率低,能够满足临近空间的应用需求。

关键词: 临近空间、安全切换、上下文传递机制、多普勒频移

Abstract: To solve the problem of security handoff in near space,a new security handoff scheme based on context transfer was proposed．Firstly,a handoff destination estimate algorithm was designed,which is based on the Doppler shift mechanism that can estimate the handoff time and location．Secondly,the previous base-station sent authentication message to the next based-station in advance based on context transfer,which can increase handoff efficiency．Performance analysis and simulation results show that the communication and computation overhead of the scheme are small,and the forced termination probability is low．The scheme is suitable for the application of near space.

Key words: Near space,Security handoff,Context transfer,Doppler shift

徐国愚,陈性元,杜学绘. 一种新的基于上下文传递的临近空间安全切换机制[J]. 计算机科学, 2013, 40(4): 160-163. https://doi.org/

XU Guo-yu,CHEN Xing-yuan and DU Xue-hui. New Near Space Security Handoff Scheme Based on Context Transfer[J]. Computer Science, 2013, 40(4): 160-163. https://doi.org/

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