Invention Grant
US07929649B2 Analog/digital carrier differentiation in digital cable receivers
有权
数字电缆接收机中的模拟/数字载波差分
- Patent Title: Analog/digital carrier differentiation in digital cable receivers
- Patent Title (中): 数字电缆接收机中的模拟/数字载波差分
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Application No.: US10882690Application Date: 2004-06-30
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Publication No.: US07929649B2Publication Date: 2011-04-19
- Inventor: Su Zhang
- Applicant: Su Zhang
- Applicant Address: US TX Coppell
- Assignee: STMicroelectronics, Inc.
- Current Assignee: STMicroelectronics, Inc.
- Current Assignee Address: US TX Coppell
- Agent Lisa K. Jorgenson; William A. Munck
- Main IPC: H04L27/08
- IPC: H04L27/08
Abstract:
A communication signal carrier on a communication channel in a digital cable receiver can be characterized as analog without exhaustively attempting to determine a symbol rate or modulation scheme of a digital carrier. The signal level in the channel is observed at different channel bandwidths, and these observations are used to differentiate between analog and digital carriers.
Public/Granted literature
- US20060002494A1 Analog/digital carrier differentiation in digital cable receivers Public/Granted day:2006-01-05
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