Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2006-05-16
2006-05-16
Tse, Young T. (Department: 2637)
Pulse or digital communications
Receivers
Interference or noise reduction
C375S222000, C375S350000, C370S201000
Reexamination Certificate
active
07046751
ABSTRACT:
In a communications system having a modem pool for communicating via a communications channel, the modem pool including a plurality of modems and having a plurality A of NEXT cancellation filters, a) measuring NEXT impairment caused to at least one target modem among the plurality of modems by at least one disturber modem among the plurality of modems, b) allocating P filters among the A filters as probe filters, where P>=1, c) allocating at least one of the remaining A−P filters among the filters to cancel NEXT from at least one disturber modem among the plurality of modems, and d) measuring, using at least one of the P probe filters, NEXT impairment caused to at least one target modem among the plurality of modems by at least one candidate disturber modem among the plurality of modems to which no A−P filter is currently allocated.
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patent: 5825753 (1998-10-01), Betts et al.
patent: 5887032 (1999-03-01), Cioffi
patent: 5970088 (1999-10-01), Chen
patent: 6160790 (2000-12-01), Bremer
patent: 6201796 (2001-03-01), Agazzi et al.
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U.S. Appl. No. 09/643,821, filed Aug. 22, 2000, Shteiman.
U.S. Appl. No. 09/510,550, filed Feb. 22, 2000, Barlev et al.
Bar-El Maya
Kantschuk Amir
Peleg Sharon
Rozen Gilad
Vaaknin David
Actelis Networks Inc.
Chang Edith
Pearl Cohen Zedek Latzer LLP
Tse Young T.
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