引用本文:	许茹,程恩,刘慧,陈淑武,梁春丽,郭华伟.基于网格编码调制(TCM)技术的水声通信系统及DSP实现[J].海洋科学,2005,29(4):17-22.

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基于网格编码调制(TCM)技术的水声通信系统及DSP实现
许茹¹, 程恩¹, 刘慧¹, 陈淑武¹, 梁春丽¹, 郭华伟¹
厦门大学电子工程系

摘要:

阐述了网格编码调制(TCM)的原理及其在水声通信中的应用。采用TI公司的高性能DSP芯片TMS320C542实现了一个可以进行字符传输的水下无线通信系统。试验结果表明,网格编码调制技术能够使水下无线通信系统的性能得到明显改善。

关键词: 网格编码调制水声通信仿真 DSP实现

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基金项目:国家自然科学基金项目(60272028);福建省自然科学基金项目(D0110004)

Underwater acoustic communication system with trellis coded modulation (TCM) technique and DSP implementation

Abstract:

This paper discusses in detail the principle for Trellis Coded Modulation (TCM) and its application in underwater acoustic communication. The authors have implemented an underwater wireless communication system with the ability of character transmission by adopting high performance DSP chip TMS320C542 produced by TI Company. The testing result indicates that the Trellis Coded Modulation technique can improve evidently the peformance with underwater wireless communication system.

Key words: trellis coded modulation acoustic underwater communication simulation DSP implementation