Downstream satellite communication systems and methods are disclosed according to embodiments of the invention. According to embodiments of the invention, a composite signal may be received by a subscriber terminal that includes at least a first signal that is transmitted from a first user through a first satellite, a second signal that is transmitted from the first user through a second satellite, and a third signal that is transmitted from a second user through the second satellite. The first signal and the second signal are transmitted to the first and second satellites as the same signal from a gateway, transmitter or subscriber terminal. The third signal is isolated from the composite signal and the subtracted from the composite signal.