Multiplex communications – Communication techniques for information carried in plural... – Combining or distributing information via time channels
Patent
1997-06-30
2000-08-22
Patel, Ajit
Multiplex communications
Communication techniques for information carried in plural...
Combining or distributing information via time channels
375222, 375231, H04J 312
Patent
active
061083542
ABSTRACT:
A device system and method of detecting impairments in a communication network, involving: receiving during a plurality of time intervals equalized training signals which are produced from training symbols that have been transmitted over the network and equalized; generating reference symbols corresponding to the training symbols and equalized training signals; indexing the equalized training signals by their time intervals and corresponding reference symbols; calculating errors due to impairments from the indexed, equalized training signals; and detecting impairments in the network from the calculated impairment errors.
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patent: 5859872 (1999-01-01), Townshend
patent: 5917855 (1999-06-01), Kim
S Haykin, Communication System: Adaptive Equalization, 3rd ed., (New York: Wiley &Sons, pp. 452-457), 1994.
Burch Richard A.
Scull Christopher J. T.
Motorola Inc.
Pappas Joanne N.
Patel Ajit
Phunkulh Bob A.
Powell Jordan C.
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