Carrier sensing is a key mechanism that enables decentralized sharing
\nof unlicensed spectrum. However, carrier sensing in its current form
\nis fundamentally unsuitable when devices transmit at different power
\nlevels, a scenario increasingly common given the diversity of Wi-Fi
\nAPs in the market and the need for Wi-Fi’s co-existence with new
\nupcoming standards such as LAA\/LWA.\u00a0 The primary contribution of this
\npaper is a novel carrier sensing mechanism — skip correlation — that
\nextends carrier sensing to accommodate multiple transmit power levels.
\nThrough an FPGA based implementation on the WARP platform, we
\ndemonstrate the effectiveness of our technique in a variety of
\nscenarios including support for backward compatibility.<\/p>\n","protected":false},"excerpt":{"rendered":"
Carrier sensing is a key mechanism that enables decentralized sharing of unlicensed spectrum. However, carrier sensing in its current form is fundamentally unsuitable when devices transmit at different power levels, a scenario increasingly common given the diversity of Wi-Fi APs in the market and the need for Wi-Fi’s co-existence with new upcoming standards such as 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