Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via frequency channels
Patent
1995-04-13
1997-03-04
Chin, Wellington
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via frequency channels
370489, 375229, H04L 12403
Patent
active
056087284
ABSTRACT:
A system and method for equalization for forward and reverse channels of communicating highway network system having a branching tree topology. The system and method cause the forward channel to be adjusted first for equalization, then the reverse channel is adjusted for equalization. A reference node periodically transmits a frequency-rich signal on the network to the head end, which broadcasts this signal to each of a number of system nodes. Each system node compares the frequency-rich signal with an expected signal, and adjusts its receiver based on this comparison. Next, each system node transmits another frequency-rich signal to the head end, receives a return echo, compares the echo with the transmitted signal, and adjusts its transmitter based on the comparison.
REFERENCES:
patent: 4757460 (1988-07-01), Bione et al.
patent: 5347304 (1994-09-01), Moura et al.
patent: 5448590 (1995-09-01), Kostic
Corley William D.
Grobicki Christopher
Mazza-Brennan Cynthia
Ulm John
Carman Melissa Kay
Chin Wellington
LANcity Corp.
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