Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ben Maxson0
Koji Okamoto0
Date of Patent
May 7, 2019
Patent Application Number
14326589
Date Filed
July 9, 2014
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Non-disruptive sweep measurements using low power coherent signals overcome the limitations of prior art frequency response systems for cable networks. Modulated or unmodulated, e.g. continuous wave (CW), test signals are transmitted into the network at a first or input point (input point is in the head end for forward sweep; input point is in the field for reverse sweep). The test signals are transmitted continuously at multiple frequencies, so as a composite they form a wideband, OFDM-like (orthogonal frequency-division multiplexing) waveform. A receiver at a second or output point generates power reading measurements, from which the frequency response of the network is produced.
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