some embodiments transceiver 401 can comprise transceiver and or transmitter and or receiver mechanisms disclosed herein in some embodiments sensing element 404 can comprise one or more sensing mechanisms as described herein by way of example and not limitation these sensing mechanisms can include energy sensing national television system committee ntsc signal sensing and or advanced television systems committee atsc signal sensing in some embodiments a collective sensing element 407 can provide collective sensing mechanisms as described herein in some embodiments transmit power control 405 can support adaptive transmit power control mechanisms described herein in some embodiments pre distortion element 406 can provide digital pre distortion mechanisms as described herein in some embodiments baseband processor 403 can support additional processing mechanisms as described herein by way of example and not limitation these mechanisms can include filtering and or digital mixing sensing methods can generally be separated into two categories 1 energy sensing and 2 phase sensing energy sensing can measure spectrum energy of a target signal and can be a fundamental sensing method when nothing else is known about the target signal in some embodiments a received signal can be transformed to a frequency domain in order to perform an energy sensing operation some embodiments can employ a fast fourier transform fft and or any other known and or convenient transformation to a frequency domain signal energies in specified frequency regions can subsequently be measured in some embodiments and or circumstances.