This study proposes an efficient secure routing protocol which considers symmetric and asymmetric
links for wireless mesh networks (WMNs). A wireless mesh network is a group of wireless mesh routers and
several kinds of wireless devices (or nodes). Individual node cooperates by forwarding packets to each other,
allowing nodes to communicate beyond the symmetric or asymmetric links. Asymmetric link is a special feature
of WMNs because the wireless transmission ranges of different wireless devices may be different. The asymmetric
link enhances WMN coverage. Providing security in WMNs has become an important issue over the last few
years. Existing research on this topic tends to focus on providing security for routing and data content in the
symmetric link. However, most studies overlook the asymmetric link in these networks. This study proposes a
novel distributed routing protocol beyond symmetric and asymmetric links, to guarantee the security and high
reliability of the established route in a hostile environment, such as WMNs, by avoiding the use of unreliable
intermediate nodes. The routes generated by the proposed protocol are shorter than those in prior works. The
major objective of the proposed protocol is to allow trustworthy intermediate nodes to participate in the path
construction protocol. The mesh clients out of mesh router wireless transmission range may discover a secure
route to securely connect to the mesh router for Internet access via the proposed protocol. The proposed protocol
enhances wireless mesh network coverage and assures security.
HWANG Ren-junn* (黄仁俊), HSIAO Yu-kai (萧宇凯)
. A Secure and Reliable Routing Protocol for Wireless Mesh Networks[J]. Journal of Shanghai Jiaotong University(Science), 2014
, 19(4)
: 466
-475
.
DOI: 10.1007/s12204-014-1526-2
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