Apparatus and method for reduction of wireless links noise injection to a DOCSIS cable modem service
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United States of America Patent
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N/A
Issued Date -
Jun 30, 2005
app pub date -
Nov 23, 2004
filing date -
Nov 25, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A DOCSIS cable modem service can be extended by providing wireless links that connect users that are beyond the physical reach of the system. This may require that the downstream data are transferred over a wireless link to a remote subscriber radio frequency (RF) unit connected to a cable modem that provides the downstream data to the subscriber. Similarly, upstream data are sent from the subscriber cable modem over the wireless link to the wireless hub transceiver, where such data are inserted back to the distribution coax cable. This insertion causes the injection of noise into the DOCSIS cable modem system. Connecting a plurality of such devices can cause noise beyond the system limitations. By using a burst detect system, the RF receiver portion of the device is connected to the DOCSIS cable only when injecting data upstream, thereby reducing the overall noise injection.
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