Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network
Applicable to two-way communication over the electricity network between a plurality of user equipments (2) and a head-end equipment (1); characterized in that the receptors in the equipment (1, 2) continually monitor communication quality by estimating signal to noise ratio (S/N) in the individual...
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| creator | RAMIRO MANZANO ANGEL GOMEZ MARTINEZ FELICIANO BLASCO ABRIL FRANCISCO JOSE RIVEIRO INSUA JUAN CARLOS GARCIA SAN JOSE AITOR PARDO VIDAL CARLOS BLASCO CLARET JORGE VICENTE ARLANDIS MALONDA DIEGO FOUREN NILS HAKAN JIMENEZ MARQUINA FRANCISCO JAVIER BADENES CORELLA AGUSTIN TORRES CANTON LUIS MANUEL |
| description | Applicable to two-way communication over the electricity network between a plurality of user equipments (2) and a head-end equipment (1); characterized in that the receptors in the equipment (1, 2) continually monitor communication quality by estimating signal to noise ratio (S/N) in the individual carriers in the upstream and downstream channels. The user equipments monitor the state of the network at each moment in time independent of whether or not the transmission is destination for them. Optimum transmission mode is chosen as a result of this monitoring by means of modifying, packet by packet, the number of bits per carrier, the redundancy introduced by a FEC generator (forward error correction/detection), the FEC code, and/or the transmission mode; so as to achieve optimum sharing of the network in time and frequency at all times and to maximize the transmission capacity of the various user equipments by the network. |
| format | Patent |
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The user equipments monitor the state of the network at each moment in time independent of whether or not the transmission is destination for them. Optimum transmission mode is chosen as a result of this monitoring by means of modifying, packet by packet, the number of bits per carrier, the redundancy introduced by a FEC generator (forward error correction/detection), the FEC code, and/or the transmission mode; so as to achieve optimum sharing of the network in time and frequency at all times and to maximize the transmission capacity of the various user equipments by the network.</description><edition>7</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; MULTIPLEX COMMUNICATION ; TRANSMISSION ; TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040805&DB=EPODOC&CC=US&NR=2004151108A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20040805&DB=EPODOC&CC=US&NR=2004151108A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>RAMIRO MANZANO ANGEL</creatorcontrib><creatorcontrib>GOMEZ MARTINEZ FELICIANO</creatorcontrib><creatorcontrib>BLASCO ABRIL FRANCISCO JOSE</creatorcontrib><creatorcontrib>RIVEIRO INSUA JUAN CARLOS</creatorcontrib><creatorcontrib>GARCIA SAN JOSE AITOR</creatorcontrib><creatorcontrib>PARDO VIDAL CARLOS</creatorcontrib><creatorcontrib>BLASCO CLARET JORGE VICENTE</creatorcontrib><creatorcontrib>ARLANDIS MALONDA DIEGO</creatorcontrib><creatorcontrib>FOUREN NILS HAKAN</creatorcontrib><creatorcontrib>JIMENEZ MARQUINA FRANCISCO JAVIER</creatorcontrib><creatorcontrib>BADENES CORELLA AGUSTIN</creatorcontrib><creatorcontrib>TORRES CANTON LUIS MANUEL</creatorcontrib><title>Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network</title><description>Applicable to two-way communication over the electricity network between a plurality of user equipments (2) and a head-end equipment (1); characterized in that the receptors in the equipment (1, 2) continually monitor communication quality by estimating signal to noise ratio (S/N) in the individual carriers in the upstream and downstream channels. 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The user equipments monitor the state of the network at each moment in time independent of whether or not the transmission is destination for them. Optimum transmission mode is chosen as a result of this monitoring by means of modifying, packet by packet, the number of bits per carrier, the redundancy introduced by a FEC generator (forward error correction/detection), the FEC code, and/or the transmission mode; so as to achieve optimum sharing of the network in time and frequency at all times and to maximize the transmission capacity of the various user equipments by the network.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION |
| title | Process to optimise communication for a multi-user OFDM digital transmission system over the electricity network |
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