Patent ID: 8345798
Filing Date: 2013-01-01
Classification: H03D,H04H,H04N

Abstract:
1. A channel stacking system, comprising: a first downconverting stage, comprising: a second downconverting stage, comprising: a digital switching and signal processor that receives each of the first and second digital IF signals, the digital switching and signal processor digitally assembles at least one of the first channels and at least one of the second channels into a digital composite signal: a third downconverter having an input for receiving a third input signal comprising a plurality of third channels, the third downconverter frequency downconverts the third input signal to a third downconverted signal comprising said plurality of third channels: a third analog-to-digital converter that convert the third downconverted signal to a third digital downconverted signal: and a second digital switching and signal processor that receives the third digital downconverted signal and the first composite signal, the second digital switching and signal processor assembles at least one of the third channels and at least one of the first or second channels into a second composite signal.