With all the aforementioned problems, detection of RWAPs is critical in order to clear threats from private networks.
The approaches to detecting RWAPs fall into two broad categories: over-the-air and on-the-wire [11].
The first monitors 802.11 radio frequency airwaves (2.4 GHz and 5.0 GHz unlicensed spectrums), often combining additional data gathered from access points, wireless hosts, routers, and switches [7-9, 12-20].