摘要
针对无线传感器网络可靠性、实时性和性能等方面的要求,提出了一种核函数估计和KD树编码技术数据传输方法。为有效提高网络性能,将核函数技术与数据编码机制结合在一起,利用核函数估计采集的数据模型,协调不同节点之间的通讯,以达到降低网络的能量消耗和带宽占用的目标。在仿真实验中,采用以上机制的无线传感器网络能够有效地减少网络的能量消耗,延长网络的生存期,并能够通过传输模型的参数来减少网络的数据流量。
According to the requirement of high availability, real time and high performance of wireless sensor network in this paper, a signal estimation method based on kernel function and KD tree is proposed. By combining Kernel function technique and KD tree encode mechanism, in network communication, the hybrid method sends co - efficient and mean value of kernel function to base station. The model is based upon kernel function to recognize the model of sensor data, and coordinate communication of different nodes to decrease energy consumption and bandwidth of network. The experiment result shows that the nodes can efficiently decrease the data flow by transmitting the parameters of the model, and prolong the lifetime of network.
出处
《计算机仿真》
CSCD
北大核心
2010年第3期132-135,共4页
Computer Simulation
关键词
协同模型
无线传感器网络
能耗控制
核函数
Collaboration model
Wireless sensor network
Energy consumption control
Kernel function
