基于UWB-MIMO的无线传感器网络系统优化  

System optimization on wireless sensor network based on UWB-MIMO

作　　者：刘南平[1] 张明磊[2] 夏克文[3] 

机构地区：[1]天津师范大学物理与电子信息学院,天津300074 [2]河北科技大学党政办公室,河北石家庄050018 [3]河北工业大学信息工程学院,天津300401

出　　处：《河北工业大学学报》2013年第3期1-6,共6页Journal of Hebei University of Technology

基　　金：国家自然科学基金(60972106;51208168);天津市自然科学基金(11JCYBJC00900);河北省自然科学基金(F2013202254;F2013202102);河北省引进留学人员基金(JFS-2012-13001)

摘　　要：为解决无线传感器网络存在的信息传输瓶颈问题和使用的窄带载波技术的缺陷,本文将超宽带(UWB)和多输入多输出(MIMO)传输技术融入到无线传感器网络(WSN),提出了一种新的通信系统模型,推导了信道传输矩阵,可以采用进化计算算法进行优化以提高通信质量.仿真实验表明,采用多子代离散粒子群(MDPSO)算法优化系统模型传输机制,能够充分利用带宽、降低误码率,并能够提高传输机制的信道容量.To solve the bottleneck problem of information transmission and the defects of narrowband carrier technology in wireless sensor network(WSN),a new model of communication system is proposed by using transmission technologies of Ultra Wide Band(UWB) and Multiple Input Multiple Output(MIMO) to integrate into WSN,and the channel transmission matrix is deduced which can be optimized by evolutionary computation so as to improve the quality of communication.Simulation results show that the proposed transmission mechanism of system model optimized by Multiple Descendants Particle Swarm Optimization(MDPSO) makes full use of bandwidth,reduces the bit error rate and improves the channel capacity of transmission mechanism.

关 键 词：无线传感器网络 超宽带 多输入多输出 系统优化 

分 类 号：TN929.5[电子电信—通信与信息系统] TP212.9[电子电信—信息与通信工程]