Multi-carrier transmission method using symbol redundancy...

H - Electricity – 04 – L

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H04L 27/26 (2006.01) H04L 1/04 (2006.01) H04L 1/08 (2006.01) H04L 5/14 (2006.01)

Patent

CA 2417774

A method of transmitting symbols in a wireline multi-carrier communication system in which each symbol is modulated for transmission over a carrier group of pre-determined size. The method involves, identifying all available carrier groups, and transmitting a replicate of the symbol on each of the available carrier groups. In preferred embodiments, the individual signals transmitted over respective carriers are phase-offset relative to each other in order to mitigate potential peaks in signal power. Corresponding apparatus and the generated signal are also provided.

L'invention concerne un procédé de transmission de symboles dans un système de télécommunications à ondes porteuses multiples, dans lequel chaque symbole est modulé en vue de sa transmission par un groupe primaire de taille préétablie. Le procédé consiste à identifier tous les groupes primaires disponibles, puis à transmettre une répétition du symbole dans chacun des groupes primaires disponibles. Dans des formes de réalisation préférées, les signaux individuels transmis par des porteuses respectives sont déphasés les uns relativement aux autres afin d'atténuer des crêtes potentielles dans l'intensité des signaux. L'invention concerne en outre un appareil et le signal émis se rapportant au procédé de l'invention.

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