FULL DUPLEX RANGING SYSTEMS AND METHODS

A system and method perform fine ranging on a plurality of cable modems in a network and distribute results. A CMTS grants access to a full duplex ranging probe to the plurality of cable modems, and probe results are distributed to the plurality of cable modems. A receive modulation error ratio (RxM...

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Bibliographic Details
Main Authors KOLZE, Thomas J, KLIGER, Avi
Format Patent
LanguageEnglish
Published 28.02.2019
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:A system and method perform fine ranging on a plurality of cable modems in a network and distribute results. A CMTS grants access to a full duplex ranging probe to the plurality of cable modems, and probe results are distributed to the plurality of cable modems. A receive modulation error ratio (RxMER) uploaded from respective of the plurality of cable modems, and the CMTS identifies an interference group (IG) and bits/symbol for the plurality of cable moderns in a given sub-band. Full duplex operation is then performed in the given sub-band with known IG and bits/symbol.
Bibliography:Application Number: US201815974209