Similar to TV bands, the guardband frequencies are not occupied
\ntherefore are whitespace that potentially allows additional communication
\nactivities. Considering the difference to TV whitespace,
\nwe propose independent communication for guardband whitespace.
\nIn this paper, we present the Pilotfish system which realizes independent
\ncommunication and turns guardband whitespace into new
\ncommunication channels. To address the big challenges of interference
\nmitigation, we employ novel PHY design which includes
\nspecially customized FBMC and an Nulled Decoding technique to
\nnull the strong background signal in guardbands. We implemented
\nPilotfish using software radio system. Empirical evaluation results
\nvalidate the Pilotfish design in both PHY and MAC.<\/p>\n","protected":false},"excerpt":{"rendered":"
Similar to TV bands, the guardband frequencies are not occupied therefore are whitespace that potentially allows additional communication activities. Considering the difference to TV whitespace, we propose independent communication for guardband whitespace. In this paper, we present the Pilotfish system which realizes independent communication and turns guardband whitespace into new communication channels. 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