Invention Grant
- Patent Title: Systems and methods for determining cable modulation using performance data
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Application No.: US15875838Application Date: 2018-01-19
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Publication No.: US10425114B2Publication Date: 2019-09-24
- Inventor: Jeffrey L. Finkelstein
- Applicant: COX COMMUNICATIONS, INC.
- Applicant Address: US GA Atlanta
- Assignee: Cox Communications, Inc.
- Current Assignee: Cox Communications, Inc.
- Current Assignee Address: US GA Atlanta
- Agency: Eversheds Sutherland (US) LLP
- Main IPC: H04B1/04
- IPC: H04B1/04 ; H04L27/26 ; H04L27/36 ; H04B3/46

Abstract:
In various embodiment, the disclosed systems, methods, and apparatuses describe the application of a pre-distortion at a transmitting device, such as a headend or a remote PHY device, to modify signals to be transmitted on a cable network in order to account for the distortions to the signals received by one or more devices on the network. In an embodiment, the pre-distortions can be implemented in the analog domain or in the digital domain, for example, using analog filters, or digital signal processing (DSP) devices. In an embodiment, the pre-distortion can be applied on particular subcarriers associated with the signals, without being applied to other subcarrier associated with the signals.
Public/Granted literature
- US20190229758A1 SYSTEMS AND METHODS FOR DETERMINING CABLE MODULATION USING PERFORMANCE DATA Public/Granted day:2019-07-25
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