H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 11/00 (2006.01) H04B 3/54 (2006.01)
Patent
CA 2522992
The invention relates to a method for the spectral configuration of signals modulated by means of orthogonal frequency division multiplexing (OFDM) for an electrical network. The invention is characterised in that the sampling frequency of the digital-analogue converters of the transmitter and analogue- digital of the receiver is maintained, such that the bandwidth, the spectral position of the OFDM signal, the spectrum shape of the transmitted OFDM signal, the spectrum level of the OFDM being transmitted or any combination of same can be varied in a selective and independent manner for the transmission path and the reception path. In this way, the spectrum of the OFDM signal can be configured in terms of bandwidth, frequency position and transmitted power, so that it can be adapted to the relevant standards in different countries and to the channels encountered in the different sections of the electrical network. Moreover, all of the aforementioned changes are made without affecting the analogue components of the system, i.e. retaining the same physical implementation.
L'invention concerne un procédé caractérisé en ce qu'il maintient la fréquence d'échantillonnage des convertisseurs numérique/analogique de l'émetteur et analogique/numérique du récepteur et permet ainsi la modification sélective et indépendante pour le trajet de transmission et de réception, la largeur de bande, la position spectrale du signal OFDM, la forme du spectre du signal OFDM transmis, le niveau du spectre du signal OFDM qui est transmis, ou tout autre combinaison des éléments précités ; afin de permettre la configuration du spectre du signal OFDM en termes de largeur de bande, position de fréquence et puissance transmise de manière à s'adapter aux normes de différents pays et aux canaux rencontrés dans les différents segments du réseau électrique. Toutes ces modifications s'effectuent sans affecter les composants analogiques du système. En d'autres termes, il n'y a pas de changement de réalisation physique.
Abad Molina Jose
Blasco Claret Jorge Vicente
Iranzo Molinero Salvador
Riveiro Insua Juan Carlos
Diseno de Sistemas En Silicio S.a.
Marks & Clerk
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