Patent ID: 8543003
Filing Date: 2013-09-24
Classification: H04B,H04J,H04L,H04N,H04Q,H04W

Abstract:
1. A cable communication system to provide voice and/or data services to a plurality of subscriber premises, the system comprising: at least a first neighborhood node having an infrastructure comprising: a headend or hub comprising: wherein: the plurality of upstream RF signals includes a first upstream RF signal having at least one first carrier frequency of greater than or equal to approximately 5 MHz, and less than or equal to approximately 19.6 MHz; the first upstream RF signal defines a first upstream physical communication channel in the upstream path bandwidth of the first neighborhood node, the first upstream physical communication channel having a first upstream average channel power; and a highest value for an average noise power between 5 MHz and 19.6 MHz in the upstream path bandwidth, as measured over at least a 24 hour period at a first junction of the cable modem system and the headend optical/RF converter or a second junction of the cable plant and the first node optical/RF converter, is at least 25 decibels (dB) below the first upstream average channel power.