Method and transmission apparatus for allocating resources to transmit uplink packet data in an orthogonal frequency division multiplexing system

Procede et appareil de transmission pour l'attribution de ressources en vue de la transmission d'un paquet de donnees de liaison montante dans un systeme de multiplexage par repartition orthogonale de frequence

Abstract

Provided is a resource allocation method that considers frequency scheduling gain and frequency diversity gain when uplink packet data is transmitted in a wireless communication system based on Orthogonal Frequency Division Multiplexing (OFDM). A method is provided in which Localized Frequency Division Multiple Access (LFDMA) technology capable of obtaining the frequency scheduling gain and Distributed Frequency Division Multiple Access (DFDMA) technology capable of obtaining the frequency diversity gain are mixed. A method is provided which signals sub-carrier sets mapped to the DFDMA and LFDMA, to terminals.
L'invention concerne un procédé d'attribution de ressources qui prend en compte le gain d'ordonnacement de fréquence et le gain de diversité de fréquence, lorsqu'un paquet de données de liaison montante est transmis dans un système de communication sans fil reposant sur le multiplexage par répartition orthogonale de fréquence (MROF). Cette invention a aussi pour objet un procédé, selon lequel sont mélangées la technique d'accès multiple par répartition en fréquence localisé (AMRFL) capable d'obtenir le gain d'ordonnacement de fréquence et la technique d'accès multiple par répartition en fréquence distributé (AMRFD) capable d'obtenir le gain de diversité de fréquence. Ladite invention a, également, trait à un procédé signalant aux terminaux des ensembles de sous-porteuses mappés à l'AMRFL et l'AMRFD.

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