Patent ID: 7984474
Filing Date: 2011-07-19
Classification: H04N

Abstract:
1. A cable network point of presence, external to a cable headend location, comprising: a receiver adapted to receive a plurality of signals transmitted by a cable headend transmitter, wherein said signals are in a time division multiplexed format; a sample rate expander adapted to receive a plurality of signals derived from said plurality of time multiplexed signals; an anti-imaging filter adapted to receive an output of said sample rate expander; a transmitter co-located with said receiver for transmitting a plurality of modulated signals, derived from said plurality of time division multiplexed signals, to a first plurality of subscribers and a second plurality of subscribers, wherein: wherein said point of presence is at a location that is different from a location of said cable headend transmitter or locations of said first or second plurality of subscribers, wherein said first plurality of subscribers receives a first set of channels, wherein said second plurality of subscribers receives a second set of channels, and wherein, at a given moment in time, said first set of channels is different from said second set of channels.