Date Added: Dec 2009
Wireless Mesh Networks (WMNs) have emerged as a key technology for next-generation wireless networking. Because of their advantages over other wireless networks, WMNs are undergoing rapid progress and inspiring numerous applications. However, many technical issues still exist in this field. In order to provide a better understanding of the research challenges of WMNs, this paper presents a detailed investigation of current state-of-the security issues in WMNs. Open research issues in protocol layer is also discussed, with an objective to spark new research interests in this field.