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The SMesh Wireless Mesh Network , Claudiu Danilov2
 

Summary: The SMesh Wireless Mesh Network
Yair Amir1
, Claudiu Danilov2
, Raluca Musaloiu-Elefteri1
, Nilo Rivera1
1
Johns Hopkins University
2
Boeing Phantom Works
Wireless mesh networks extend the connectivity range of mobile devices by using multiple access
points, some of them connected to the Internet, to create a mesh topology and forward packets
over multiple wireless hops. However, the quality of service provided by the mesh is impaired
by the delays and disconnections caused by handoffs, as clients move within the area covered by
multiple access points. We present the architecture and protocols of SMesh, the first transparent
wireless mesh system that offers seamless, fast handoff, supporting real-time applications such as
interactive VoIP. The handoff and routing logic is done solely by the access points, and therefore
connectivity is attainable by any 802.11 device. In SMesh, the entire mesh network is seen by
the mobile clients as a single, omnipresent access point, giving the mobile clients the illusion
that they are stationary. We use multicast for access points coordination and, during handoff
transitions, we use more than one access point to handle the moving client. SMesh provides

  

Source: Amir, Yair - Department of Computer Science, Johns Hopkins University

 

Collections: Computer Technologies and Information Sciences