Performance improvement of licklider transmission protocol in complex deep space networks based on parameter optimization  

作　　者：Guo YU Zhenxing DONG Yan ZHU 

机构地区：[1]Key Laboratory of Electronics and Information Technology for Space Systems,National Space Science Center,Chinese Academy of Sciences,Beijing 100190,China [2]University of Chinese Academy of Sciences,Beijing 100049,China

出　　处：《Chinese Journal of Aeronautics》2023年第5期406-420,共15页中国航空学报（英文版）

基　　金：supported by the Strategic Leading Project of the Chinese Academy of Sciences(No.XDA15014603).

摘　　要：A reasonable parameter configuration helps improve the data transmission performance of the Licklider Transmission Protocol(LTP).Previous research has focused mainly on parameter optimization for LTP in simplified scenarios with one to two hops or multihop scenarios with a custody mechanism of the Bundle Protocol(BP).However,the research results are not applicable to communications in Complex Deep Space Networks(CDSNs)without the custody mechanism of BP that are more suitable for deep space communications with LTP.In this paper,we propose a model of file delivery time for LTP in CDSNs.Based on the model,we propose a Parameter Optimization Design Algorithm for LTP(LTP-PODA)of configuring reasonable parameters for LTP.The results show that the accuracy of the proposed model is at least 6.47%higher than that of the previously established models based on simple scenarios,and the proposed model is more suitable for CDSNs.Moreover,the LTP parameters are optimized by the LTP-PODA algorithm to obtain an optimization plan.Configuring the optimization plan for LTP improves the protocol transmission performance by at least 18.77%compared with configuring the other parameter configuration plans.

关 键 词：Complex deep space networks File delivery time model Licklider Transmission Protocol(LTP) Network Performance Network Protocols Parameter optimization Performance improvement 

分 类 号：TN915.04[电子电信—通信与信息系统] V443.1[电子电信—信息与通信工程]