Agile spectrum monitoring in a radio transceiver

Details Agile spectrum monitoring in a radio transceiver Agile spectrum monitoring in a radio transceiver

H - Electricity

04

B

H04B 17/00 (2006.01) H04W 24/06 (2009.01) H04W 84/18 (2009.01)

Patent

CA 2632061

The invention relates to a method and an apparatus for agile RF spectrum monitoring in a radio system with dynamic frequency access. It provides a spectrum monitor based on non--coherent heterodyne detection that utilizes a DDS signal generator to digitally generate a reference signal at a variable reference frequency for mixing with an input RF signal received from an RF antenna, a pass-band filter and a log amplifier for obtaining energy estimates at a monitored transmission frequency corresponding to the reference frequency. A processor is provided for adaptively selecting sets of monitored transmission frequencies, for controlling the DDS signal generator, and for processing obtained spectral energy estimates to assess spectral usage data.

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