A technique is disclosed for facilitating communications between a network node and a Head End of an access network. The access network includes a plurality of nodes which communicate with the Head End via at least one upstream channel and at least one downstream channel. The Head End is configured to...http://www.google.fr/patents/US6891858?utm_source=gb-gplus-shareBrevet US6891858 - Dynamic modulation of modulation profiles for communication channels in an access network
Dynamic modulation of modulation profiles for communication channels in an ...