Method for bit-loading in a multi-tone DSL system

A method and processor in a multi-tone based multi-line transmission system such as a digital subscriber line system. The system includes a pre-processor, also referred to as a pre-coder. The processor iteratively determines an integer number of bits to be allocated before pre-processing. The determ...

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Bibliographische Detailangaben
Hauptverfasser:	LOPES RENATO, FERRARI RAFAEL, BELLEZONI LOIOLA MURILO, TRAVASSOS ROMANO JOAO MARCO, SUYAMA RICARDO, DORTSCHY BORIS, ZANATTA FILHO DANILO
Format:	Patent
Sprache:	eng
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TELEPHONIC COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	A method and processor in a multi-tone based multi-line transmission system such as a digital subscriber line system. The system includes a pre-processor, also referred to as a pre-coder. The processor iteratively determines an integer number of bits to be allocated before pre-processing. The determination is subject to transmit power constraints taking into account power changes on all lines due to the pre-processor and a required bit error rate.