面向信道特性的水下传感器网络数据传输算法研究

项目名称： 面向信道特性的水下传感器网络数据传输算法研究

项目编号： No.61202403

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 计算机科学学科

项目作者： 窦金凤

作者单位： 中国海洋大学

项目金额： 24万元

中文摘要： 面向信道特性的水下传感器网络数据传输算法在水下传感器网络研究中起关键作用。水下传感器网络的信道具有环境噪声复杂、路径损耗大、能量有限等复杂多变的特性，造成网络性能理论分析和设计数据传输算法的困难。现有的水下传感器网络性能理论分析和数据传输算法比较局限，基本只研究个别性能，不能满足复杂多变的信道特性。权衡多个性能会相应带来巨大的复杂度，本课题将研究如何克服这些难题，进行权衡考虑多性能下的数据分析与实验。课题提出面向信道特性来定量分析网络性能、设计数据传输算法的思想。主要研究：1）针对信道的路径损耗和环境噪声，分析确定水下传感器网络能耗、信噪比、容量的表达式；2）通过理论方法、大量仿真和海洋实验平台采集的数据，定量分析网络性能变化规律，探索各参数的优化范围；3）基于上述优化范围，提出兼顾带宽和时间延迟的数据传输算法。课题的研究成果对于水下传感器网络的优化设计分析具有重要的理论意义和实践价值。

中文关键词： 水下传感器网络；信道特性；权衡；性能；数据传输

英文摘要： It is momentous to research into the channel-characteristics-oriented data transmission algorithm in the UnderWater Sensor Networks (UWSNs). Because of the complexity and variation of the underwater networks chanel characteristics such as complexity of environmental noise, large propagation loss, limited energy, and so on, it is very hard to analyze network performance and to design the data transimission algorithm. The existing research in this area is limited to certain performance indicator in the UWSNs, which can't fully suffice the requirements of complex and varied channel characteristics. The balance consideration of multiple performance will lead to huge complexity. This project will do some research to conquer this difficulty, analyze the corresponding data and execute some experiment with balance of multiple performance indicators. This project put forward a theory about the channel-characteristics-oriented quantitative analysis on the networks performance indicators and about the data transimission algorithm. The research includes three parts. First, considering the acoustic propagation loss and complicated ambient noise, the research will analyze and establish the formula of the energy consumption, the signal-noise-ratio, and the capacity. Second, with the theoretical analysis, much emulation, and ab

英文关键词： Underwater Sensor Network；Channel characteristics；Balance；Performance；Data transfer