Multi-carrier communication with time division multiplexing...

H - Electricity – 04 – B

Patent

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H04B 7/204 (2006.01) H04W 28/08 (2009.01) H04J 11/00 (2006.01) H04L 5/02 (2006.01)

Patent

CA 2484373

A method for subcarrier allocation and loading for a multi-carrier, multi- subscriber system is described. At least one cluster (104) in a first and second set of clusters of subcarriers is associated for use in communication with a first and second subscriber, respectively. Then, for each cluster associated for use in communication with the first subscriber and the second subscriber, usage of that cluster is multiplexed between the first subscriber during a first time division and the second subscriber during a second time division.

L'invention porte sur un procédé d'allocation de sous-porteuse et de chargement pour un système multiporteuse et multiabonné. A cet effet, on associe au moins une grappe dans des premier et second ensembles de grappes de sous-porteuses en vue d'une liaison avec des premier et second abonnés. Ensuite, pour chaque grappe associée à des fins de communication avec le premier abonné et le second abonné, on assure le multiplexage de l'utilisation de cette grappe entre le premier abonné pendant une première répartition dans le temps et le second abonné pendant une seconde répartition dans le temps. FIGURE 1 DEBUT 101.. DIFFUSION PERIODIQUE DE SYMBOLES OFDM PILOTES AUX ABONNES 102.. L'(LES) ABONNE(S) SURVEILLE(NT) LES SYMBOLES PILOTES CONTINUELLEMENT/MESURE(NT) SINR ET/OU D'AUTRES PARAMETRES 103.. CHAQUE ABONNE SELECTIONNE UNE OU PLUSIEURS GRAPPE(S), INFO DE RETROACTION POUR L'ENVOYER VERS LA STATION DE BASE 104.. LA STATION DE BASE SELECTIONNE UNE OU PLUSIEURS GRAPPE(S) POUR CHAQUE ABONNE 105.. LA STATION DE BASE INFORME L'ABONNE DE L'ALLOCATION DE GRAPPES OUI NON RECYCLAGE NECESSAIRE ?

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