Well it has already been implemented by either using the defab or dragging your ally to safety.
Agree that you should have to fully charge the defab in order to revive as you can charge it and run to your down ally for a quick revive. There should be a respaw penalty if you off yourself to give time to be revived by support (no incentive to wait but rather to rush in, suicide attempt to kill)
Current system feel good but still needs some tweaking
Agreed, there is nothing more frustrating than to run through fire and flames for a teammate and then have them skip the wait, ending in your own inevitable death :|
