Fecha de publicación: 12/02/2015 Fuente: Wipo "digitalization" In various embodiments, computer-implemented methods, systems, and non-transitory computer-readable memory media are disclosed. In one aspect, the computer-implemented method comprises receiving, by a processor, a digital bit stream; transforming, by the processor, the digital bit stream to an encoded digital bit stream, wherein the encoded digital bit stream comprises at least one of a gateway channel, a composite channel, or a data channel, and any combination thereof; and providing, by the processor, the encoded digital bit stream to a transmission system for transmission.