Wired communications systems with improved capacity and security
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United States of America Patent
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Jul 22, 2014
Grant Date -
Apr 25, 2013
app pub date -
Oct 19, 2011
filing date -
Oct 19, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Provided are methods and systems of using division-free duplexing (DFD) in a cable communication network. Techniques for applying DFD in a cable communication network may enable data to be transmitted and received over a coaxial cable without using division duplexing techniques. For example, the cable communication network may include DFD enabled network nodes and each subscriber to the cable network may be equipped with a DFD system configured to operate in a DFD mode. In some embodiments, oppositely propagating signals may be transmitted over one frequency channel, and DFD techniques may be used to recover originally transmitted signals. Further, in some embodiments, DFD techniques may be used with encryption methods to increase the security of data transmitted in the cable communication network.
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