gmrple·hace 2 años·discussGravity map matching is an approach that can provide absolute references, the general problem there is that gravity maps are not good enough.
gmrple·hace 2 años·discussNo, this is about preventing unwanted jamming/interference by a transmitter on frequencies it isn't intending or needing to transmit on as part of the design phase of a product. Overcoming intentional jamming is an entirely different ballgame.