Patent ID: 7046751

Claim:
In a communications system having a modem pool for communicating via a communications channel, the modem pool comprising a plurality of modems and having a plurality of near-end-crosstalk (NEXT) cancellation A filters, a method for NEXT cancellation filter allocation comprising the steps of: a) measuring NEXT impairment caused to at least one target modem among said plurality of modems by at least one disturber modem among said plurality of modems; b) allocating P filters among the A filters as P probe filters, where P>=1; c) allocating at least one of the remaining A−P filters among said A filters to cancel the NEXT from the at least one disturber modem among said plurality of modems; and d) measuring, using at least one of the P probe filters, NEXT impairment caused to the at least one target modem among said plurality of modems by at least one candidate disturber modem among plurality of modems to which no A−P filter is currently allocated.