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In this paper, the authors present the design and implementation of the multicast enabled dual-radio wireless mesh network for emergency communications. The authors have developed a novel implementation of a Multicast extension to the AODV (MAODV) protocol in Linux Kernel 2.6 user space to support multicast operation of the SwanMesh testbed. This paper presents the architecture of the SwanMesh testbed. Furthermore, the authors present unicast communication throughput test results. They observe that SwanMesh can efficiently deliver data services such as broadband internet in emergency situations using its unicast functionality, although there were noticeable throughput drops after each hop.
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