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Adapting Physical Carrier Sensing to Maximize Spatial Reuse in 802.11 Mesh Networks

Source: Intel
Date: January 2008
Type: White Paper
Rating: (0)

Overview: Over the past few years one have witnessed the rapid proliferation of wireless LANs in various network environments. The need for higher data rates and improved coverage has led to at least two potential solutions for large-scale WLANs - a) multi-cell networks where each cell is serviced by its own access point (AP), and b) mesh networks where nodes work in ad-hoc mode and use multi-hop routing to relay each other’s traffic. This research paper demonstrates that physical carrier sensing enhanced with a tunable sensing threshold is effective at avoiding interference in 802.11 mesh networks without requiring the use of virtual carrier sensing.


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