一种电磁传感器网络的群规模约束分群算法
A cluster-size restrained clustering algorithm for spectrum sensing WSN
李鑫 1张霞 1于宏毅1
作者信息
- 1. 解放军信息工程大学通信工程系郑州450002
- 折叠
摘要
电磁传感器网络是一种以电磁信号为感知目标的传感器网络.本文针对电磁传感网监测性能要求,提出了一种基于分群的电磁传感器网络频域协作工作模式,理论上分析了群规模与信号感知概率以及感知时延的关系,将电磁传感网监测性能要求转化为对分群规模的约束,并设计了群规模约束分群算法(CRCA).仿真结果表明,在相同的性能要求和网络连通度下,CRCA得到的满足群规模约束的群比例高出已有算法10％,能较好地满足系统性能要求.
Abstract
Spectrum sensing WSN is a kind of WSN which is going to sensing electromagnetic signals.Based on performance demand of Spectrum Sensing WSN (SSWSN),this paper designs a cluster-based collaboration model and set up formulations about sensing probability and sensing delay of SSWSN.This paper turns performance demand into Cluster-size restriction,and proposes a Cluster-size Restrained Clustering Algorithm (CRCA).Simulation results show that CRCA get higher proportion of clusters within Cluster-size restriction than basic algorithm,so CRCA is suitable for SSWSN.
关键词
电磁传感器网络/感知概率/感知时延/群规模约束/分群Key words
spectrum sensing WSN/sensing probability/sensing delay/cluster-size restriction/cluster引用本文复制引用
基金项目
国家科技重大专项基金(2010ZX03006-002)
国家科技重大专项基金(2011ZX03005-003-03)
出版年
2013
NETL
NSTL
维普
万方数据