基于OPNET的机群数据链混合TDMA协议仿真

doi:10.16182/j.issn1004731x.joss.21-0449

系统仿真学报 ›› 2022, Vol. 34 ›› Issue (09): 1933-1940.doi: 10.16182/j.issn1004731x.joss.21-0449

• 仿真建模理论与方法 • 下一篇

基于OPNET的机群数据链混合TDMA协议仿真

傅妍芳¹(), 张楠¹, 魏佳宁², 曲少春¹, 卢颖¹, 刘畅²

^1.西安工业大学　计算机科学与工程学院，陕西　西安　710021
^2.北京机电工程研究所　复杂系统控制与智能协同技术重点实验室，北京　100074

收稿日期:2021-05-19 修回日期:2021-07-13 出版日期:2022-09-18 发布日期:2022-09-23
作者简介:傅妍芳（1978-），女，博士，教授，研究方向为系统建模与计算机仿真。E-mail：fuyanfang@xatu.edu.cn

OPNET Based Simulation of Hybrid TDMA Protocol for Helicopters Datalink

Yanfang Fu¹(), Nan Zhang¹, Jianing Wei², Shaochun Qu¹, Ying Lu¹, Chang Liu²

^1.School of Computer Science and Engineering Xi’an Technological University, Xi’an 710021, China
^2.Science and Technology on Complex System Control and Intelligent Agent Cooperation Laboratory, Beijing Electro-mechanical Engineering Institute, Beijing 100074, China

Received:2021-05-19 Revised:2021-07-13 Online:2022-09-18 Published:2022-09-23

摘要/Abstract

摘要：

针对当前数据链的时隙分配问题，提出并实现了一种基于灰色关联分析法的混合时隙分配协议。通过灰色关联分析法对吞吐量、时延和当前报文缓冲区的负载程度做聚合，得到各节点综合得分，根据综合得分对时隙进行动态分配，同时采用固定时隙分配的方式保证网络中的节点最少有一个时隙可用。仿真结果表明：与固定TDMA(time division multiple access)协议和P-TDMA(priority-TDMA)协议相比，该协议在减少竞争冲突的同时，也保证了较低的时延、相对较高的吞吐量和高时隙利用率。

关键词: OPNET, Link-16, 固定TDMA协议, 混合时隙分配协议, 机群数据链

Abstract:

For the current time slot allocation problem of the data link, an improved hybrid time slot allocation protocol based on grey relational analysis is proposed and implemented. Through the aggregation of throughput, delay and load of current message buffer by grey relational analysis, the comprehensive evaluation index is obtained, and the time slot is allocated dynamically. The fixed time slot allocation is also adopted to ensure that at least one time slot is available for nodes in the network.Simulation results show that compared with the fixed TDMA(time division multiple access) protocol and the P-TDMA(priority-TDMA) protocol, the proposed protocol not only reduces contention conflicts, but also guarantees a lower delay, a relatively high throughput and a high time slot utilization rate.

Key words: OPNET, Link-16, fixed TDMA (time division multiple access) protocol, mixed time slot allocation protocol, helicopters datalink

中图分类号:

TP391.9

傅妍芳, 张楠, 魏佳宁, 曲少春, 卢颖, 刘畅. 基于OPNET的机群数据链混合TDMA协议仿真[J]. 系统仿真学报, 2022, 34(09): 1933-1940.

Yanfang Fu, Nan Zhang, Jianing Wei, Shaochun Qu, Ying Lu, Chang Liu. OPNET Based Simulation of Hybrid TDMA Protocol for Helicopters Datalink[J]. Journal of System Simulation, 2022, 34(09): 1933-1940.

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节点	时延/s	吞吐量/(个/s)	缓冲区负载程度
1	2.54	26	0.30
2	2.12	23	0.36
3	2.37	26	0.17
4	1.98	20	0.41
5	2.03	18	0.23
6	2.24	24	0.12
7	1.72	16	0.37
8	1.68	21	0.22
9	1.84	24	0.20
10	2.17	28	0.33

节点	时延/s	吞吐量/(个/s)	缓冲区负载程度
1	1.00	0.83	0.62
2	0.51	0.58	0.82
3	0.80	0.83	0.17
4	0.34	0.33	1.00
5	0.41	0.17	0.38
6	0.65	0.67	0
7	0.05	0	0.86
8	0	0.42	0.34
9	0.19	0.67	0.28
10	0.57	1.00	0.72

节点	时延/s	吞吐量/(个/s)	缓冲区负载程度
1	0.22	0.15	0.12
2	0.11	0.11	0.16
3	0.18	0.15	0.03
4	0.08	0.06	0.19
5	0.09	0.03	0.07
6	0.14	0.12	0
7	0.01	0	0.17
8	0	0.08	0.07
9	0.04	0.12	0.05
10	0.13	0.18	0.14

指标	时延/s	吞吐量/(个/s)	缓冲区负载程度
信息熵H	0.868	0.905	0.889
权重W	0.391	0.281	0.328

节点	评分	节点	评分
1	0.168	6	0.088
2	0.126	7	0.059
3	0.122	8	0.045
4	0.110	9	0.065
5	0.067	10	0.147

基于OPNET的机群数据链混合TDMA协议仿真

OPNET Based Simulation of Hybrid TDMA Protocol for Helicopters Datalink

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