基于随机接入的空天地海一体化网络性能分析  

Performance Analysis of Space-Air-Ground-Sea Integrated Network Based on Random Access

作　　者：陈浩 郭佳妮 宋姗姗 刘军 崔军红 CHEN Hao;GUO Jiani;SONG Shanshan;LIU Jun;CUI Junhong(College of Computer Science and Technology,Jilin University,Changchun 130012,China;School of Electronic and Information Engineering,Beihang University,Beijing 100191,China)

机构地区：[1]吉林大学计算机科学与技术学院,吉林长春130012 [2]北京航空航天大学电子信息工程学院,北京100191

出　　处：《移动通信》2022年第10期35-40,70,共7页Mobile Communications

基　　金：国家自然科学基金(61631008);国家自然科学基金(61971206);国家自然科学基金(62101211);国家重点研发计划(2021YFC2803000);深圳市海外顶尖人才计划(KQTD20180411184955957);广东省促进经济发展专项基金项目(GDME-2018A002)。

摘　　要：性能分析是对空天地海一体化网络进行性能优化的理论基础和重要手段,然而,网络中各异构子网使用不同的通信介质与网络协议,传统的模型无法分析多介质异构网络性能。针对上述问题,基于随机接入的媒体访问控制协议,建立空天地海一体化网络性能分析模型,结合水声通信与无线通信特征分析,可得吞吐量、延时两个网络性能指标。实验结果表明,该模型可为随机接入空天地海一体化网络提供最佳的网络参数,从而提高网络性能。Performance analysis is the theoretical fundamental and important method to optimize the performance of spaceair-ground-sea integrated networks(SAGSIN).However,each heterogeneous subnetwork in SAGSIN uses different communication media and network protocols,traditional models can not analyze the performance of this multi-media heterogeneous network.To deal with the above problem,a performance analysis model is proposed for SAGSIN based on the media access control(MAC)protocol with random access.Combining the characteristics of underwater acoustic communication and wireless communication,two network performance metrics,i.e.,throughput and delay,are obtained.Simulation results show that the proposed model can provide the best network parameters and improve performance for SAGSIN with random access.

关 键 词：空天地海一体化网络 网络性能分析 MAC协议 排队论 

分 类 号：TN929.5[电子电信—通信与信息系统]