基于协作式MIMO的无线传感器网络MAC协议设计  

Cooperative MIMO-based MAC Design for Wireless Sensor Network

作　　者：何晨光[1] 沙学军[1] 

机构地区：[1]哈尔滨工业大学电子与信息工程学院,哈尔滨150001

出　　处：《北京工业大学学报》2009年第9期1188-1191,共4页Journal of Beijing University of Technology

基　　金：国家'九七三'计划资助项目(2007CB310601)

摘　　要：基于传感器网络的S-MAC协议,提出一种协作式MIMO通信协议.这个协议能改善无线传感器网络的能量问题,协议中,传统的虚拟簇网络结构与协作式MIMO通信技术相结合,簇间节点选择合适的协作节点搭建等效的MISO系统.并基于能耗模型分析了此协议的能量消耗.结果表明,此协议可以降低节点的传输能量,延长网络寿命.A cooperative MIMO communication technique is proposed based on S-MAC protocol to jointly improve the energy efficiency in wireless sensor networks.In the protocol,the traditional virtual cluster is incorporated in the cooperative MIMO communication.The node between virtual clusters selected corresponding optimal intra-cluster nodes to construct an equivalent MISO system.Then,the authors analyze the energy efficiency of protocol based on energy consumption model.The results show that energy saving is possib...

关 键 词：无线传感器网络 S-MAC 协作式MIMO 虚拟簇 

分 类 号：TP212.9[自动化与计算机技术—检测技术与自动化装置]