高速水声通信中OFDM的编码、调制技术与应用研究的开题报告

高速水声通信中OFDM的编码、调制技术与应用研究的开
题报告
摘要：
随着深海勘探和海洋资源的开发利用，水声通信作为一种可靠和高效的通信方式，受到越来越多的关注和重视。

在水声通信中，由于频谱资源有限，传统的单载波调制
技术（SCM）无法满足高速传输的需求。

而正交频分复用（OFDM）技术作为一种多载波调制技术，可以很好地解决频谱效率低的问题，并且具有抗多径衰落的能力。

本文
将研究高速水声通信中OFDM的编码、调制技术及其应用。

本文将首先介绍水声通信的特点以及OFDM技术的概念、原理和优点。

其次，结合水声信道的特点，研究OFDM在水声通信中的应用，探讨OFDM信号的参数设置以及多路复用技术。

然后，对于水声信道中存在的信号衰减和噪声干扰等问题，研究OFDM的编码技术，本文将重点研究低密度奇偶校验（LDPC）码和Turbo码作为OFDM的编码技术，并探索其在水声通信中的效果。

最后，本文将进行实验仿真，分
析OFDM在水声通信中的性能和可行性。

本文的研究目的是探索高速水声通信中OFDM的编码、调制技术及其应用，为实现水下高速通信提供技术支持和理论指导，同时为水下资源勘探和海洋生态环境监测
等领域提供有力保障。

关键词：水声通信；OFDM；编码技术；调制技术；高速传输
Abstract：
With the development and utilization of deep-sea exploration and marine resources, underwater acoustic communication, as a reliable and efficient communication method, has received more and more attention. In underwater communication, due to the limited frequency spectrum resources, traditional single-carrier modulation (SCM) technology cannot meet the needs of high-speed transmission. Orthogonal frequency division multiplexing (OFDM) technology, as a multi-carrier modulation technology, can solve the problem of low spectrum efficiency and has the ability to resist multipath fading. This article will study the coding, modulation technology and application of OFDM in high-speed underwater acoustic communication.
This article will first introduce the characteristics of underwater acoustic communication and the concept, principle, and advantages of OFDM technology. Secondly, combined with the characteristics of the underwater acoustic channel, the application of OFDM in underwater communication will be researched, exploring the parameter setting of OFDM signals and multiplexing technology. Then, for the problems of signal attenuation and noise interference in the underwater acoustic
channel, the coding technology of OFDM will be studied. This article will focus on the Low-Density Parity- Check (LDPC) code and Turbo code as the coding technology of OFDM, and explore their effects in underwater acoustic communication. Finally, this paper will carry out experimental simulations to analyze the performance and feasibility of OFDM in underwater communication.
The purpose of this research is to explore the coding, modulation technology and application of OFDM in high-speed underwater acoustic communication, to provide technical support and theoretical guidance for achieving high-speed communication underwater, and to provide powerful guarantees for underwater resource exploration and marine ecological environment monitoring.
Keywords: underwater acoustic communication; OFDM; coding technology; modulation technology; high-speed transmission.。