无线传感器网络(WSNs)发展迅速,可广泛应用于军事、工业及科学等领域。传感器网络在无线信道中工作,其节点有限的能源、计算能力、存储能力使得其面临着严重的安全问题。已提出的许多安全方法都基于分层设计的概念。分析了分层安全设计的局限性,回顾了现存的W SNs的安全设计方案,提出了一些新的跨层解决办法,并指出了传感器网络中跨层安全的研究方向。Wireless sensor networks(WSNs) are developing rapidly,it will be employed in a wide variety of applications ranging from military,industrial and social.Due to their constraints in computation,memory,and power resources,security is a challenge in these networks.Many security methods of WSNs based on the concept of layered-design have the limit,the state of art security design method of WSNs is overviewed,several new cross-layer solve methods are proposed,and the research direction of cross-layer design for the security of WSNs is point out.福建省自然科学基金资助项目(A00440004
