基于啁啾扩频的水声网络OPNET仿真方法

系统仿真学报 ›› 2016, Vol. 28 ›› Issue (1): 183-189.

基于啁啾扩频的水声网络OPNET仿真方法

李文聪^1,2, 袁飞^1,2, 钟张婷^1,2, 程恩^1,2

1.厦门大学信息科学与技术学院通信工程系,厦门 361005;
2.厦门大学水声通信与海洋信息技术教育部重点实验室,厦门 361005

收稿日期:2014-08-27 修回日期:2014-12-14 发布日期:2020-07-02
通讯作者: 袁飞(1979-),男,福建福州,博士,副教授,研究方向为水下多媒体信息传输与处理。
作者简介:李文聪(1991-),男,广东佛山,硕士生,研究方向为水声通信。
基金资助:
国家自然科学基金项目(61571377; 61471308)

OPNET Simulation Method for Underwater Acoustic Networks Based on Chirp Spread Spectrum

Li Wencong^1,2, Yuan Fei^1,2, Zhong Zhangting^1,2, Cheng En^1,2

1. College of Information Science and Technology, Communication Engineering, Xiamen University, Xiamen 361005, China;
2. Key Laboratory of Underwater Acoustic Communication and Marine Information Technology, Ministry of Education, School of Information Science and Technology, Xiamen University, Xiamen 361005, China

Received:2014-08-27 Revised:2014-12-14 Published:2020-07-02

摘要/Abstract

摘要： 针对OPNET软件在水声网络协议仿真中不支持信道结构改变和自定义调制方式的局限,以啁啾扩频的水声网络ALHOA协议仿真为例,提出了一种适合在OPNET上实现更真实水声通信协议仿真的方法。物理层调制方式采用自定义的π/4-DM-DQPSK制式,利用MATLAB将生成的调制曲线导入OPNET中配合OPNET其他管道的配置。在2种具有结构差异的Bellhop信道中验证对ALHOA协议的仿真效果,结果表明信道结构的变化能灵敏地影响ALHOA协议的仿真。此方法对利用OPNET软件灵活开展水声网络协议仿真具有较好的参考价值。

关键词: 水声通信, 啁啾扩频, 水声网络, OPNET仿真

Abstract: Underwater acoustic(UWA) network protocol simulation on OPNET software could not follow the changing of channel structure and did not support custom modulation. In view of the limitations mentioned, a more realistic method of UWA protocol simulation on OPNET was introduced. UWA network ALHOA protocol simulation was token as an example. The physical layer modulation customized was called π/4-DM-DQPSK which was based on Chirp Spread Spectrum. In Matlab, the system would generate a modulation curve which would then be imported into OPNET to adjust the configuration of other pipelines. The simulation results of ALHOA protocol was verified in two Bellhop channels with different structures, which showed changing structure had a sensitive impact on ALHOA protocol. The method introduced has reference value on simulating UWA network protocol flexibly in OPNET.

Key words: Underwater Acoustic Communications, Chirp Spread Spectrum, Underwater Acoustic Network, OPNET Simulation

中图分类号:

TP391

李文聪, 袁飞, 钟张婷, 程恩. 基于啁啾扩频的水声网络OPNET仿真方法[J]. 系统仿真学报, 2016, 28(1): 183-189.

Li Wencong, Yuan Fei, Zhong Zhangting, Cheng En. OPNET Simulation Method for Underwater Acoustic Networks Based on Chirp Spread Spectrum[J]. Journal of System Simulation, 2016, 28(1): 183-189.

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