Multiplex communications – Wide area network – Packet switching
Patent
1989-07-05
1992-02-04
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379417, H04J 112, H04J 310
Patent
active
050864238
ABSTRACT:
Crosstalk contamination of signals in a multichannel data transmission sym is designated by a matrix which has unit values for the diagonal and small values for the off-diagonal terms. If this matrix satisfies the criteria for finding an inverse thereof, the matrix may be inverted and the results are used to find the values for the correction matrix electronic circuits. The correction electronic matrix circuits with their respective inputs from the telemetry receiver give their summed outputs for each channel to be the crosstalk contamination-free signals for various channels.
REFERENCES:
patent: 3660608 (1972-05-01), Moose et al.
patent: 4113987 (1978-09-01), Samuelsson
patent: 4407020 (1983-09-01), Helliwell et al.
Streit Roy L.
Striffler Foster L.
Chin Wellington
Lall Prithvi C.
McGowan Michael J.
Olms Douglas W.
The United States of America as represented by the Secretary of
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