Patent ID: 7167511
Filing Date: 2007-01-23
Classification: H04L,H04M

Abstract:
1. In a communications system having a modem pool for communicating via a communications channel, the modem pool comprising a plurality of native modems operating at steady state, a method for modem wake-up at steady-state comprising the steps of: a) measuring modem performance of any of said native modems; b) activating a foreign modem in said modem pool at substantially a maximum data rate and of said foreign modem at a power level that is below a normal operational power level of said foreign modem; c) allocating at least one near-end cross-talk (NEXT) cancellation filter as a probe filter; iteratively, until i) said foreign modem is operating at the foreign modem's normal operational power level, or ii) said modem performance of any of said native modems has degraded subsequent to activating said foreign modem: e) if said modem performance of any of said native modems has degraded subsequent to activating said foreign modem, deactivating said foreign modem.