A communications network (10) includes nodes (18) in which switched channelizers (32) decompose wideband signals into narrowband signals and route the narrowband signals to specified demodulators (34). The switched channelizers (32) serve as building blocks which may be coupled together in parallel...http://www.google.fr/patents/US5790529?utm_source=gb-gplus-shareBrevet US5790529 - Communications network node with switched channelizer architecture
Communications network node with switched channelizer architecture
