王颖,张仕海

• 1:电子科技大学通信与信息工程学院
• 2:乐山职业技术学院电子信息系

摘要(Abstract)：

在无线传感网络中,数据包长度和传输功率等级成为影响能量效率和网络寿命的关键因素。为此,提出基于传输功率和数据包长度的联合优化网络寿命算法,记为TP-PS-INL。首先,依据Mica2传感节点的能量消耗特性和无线信道模型,构建链路层模型,然后再利用链路层模型,建立混合整数规划MIP模型,进而联合优化传输功率和数据包长度,最大化网络寿命。数值仿真分析表明,MIP模型能较准确地反映数据包长度和传输功率对网络寿命的影响,并且TP-PS-INL算法能够最大化网络寿命。

关键词(KeyWords)： 无线传感网络;网络寿命;混合整数规划;传输功率;数据包长度;能量效率

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(U1404602);; FPGA的视频采集与压缩技术及在道路信息化中的应用(14GZD157);; 物联网专业基于互联网+的人才岗位模型研究(JYB-EMIC-15033)~~

作者(Author): 王颖,张仕海

DOI: 10.16652/j.issn.1004-373x.2018.05.010

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